Detection of Compound Structures in Very High Spatial Resolution Images
|
|
- Dominick Douglas
- 5 years ago
- Views:
Transcription
1 Detection of Compound Structures in Very High Spatial Resolution Images Selim Aksoy Department of Computer Engineering Bilkent University Bilkent, 06800, Ankara, Turkey Joint work with Gö khan Akç ay, Ç ağ lar Arı, Daniya Zamalieva October 24, 2012 October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 1 / 55
2 Introduction.., A common approach for object recognition is to segment the images into homogeneous regions. October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 2 / 55
3 Introduction.., A common approach for object recognition is to segment the images into homogeneous regions..., However, such homogeneous regions often correspond to very small details in very high spatial resolution (VHR) images. October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 2 / 55
4 Introduction.., A common approach for object recognition is to segment the images into homogeneous regions..., However, such homogeneous regions often correspond to very small details in very high spatial resolution (VHR) images..., An alternative is to model the spatial arrangements of simple image regions to identify complex region groups. October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 2 / 55
5 Introduction.., A common approach for object recognition is to segment the images into homogeneous regions..., However, such homogeneous regions often correspond to very small details in very high spatial resolution (VHR) images..., An alternative is to model the spatial arrangements of simple image regions to identify complex region groups..., Examples of such region groups, also called compound structures, include different types of residential, commercial, industrial, and agricultural areas. October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 2 / 55
6 Introduction Figure 1: An Ikonos image of Baltimore, and some compound structures of interest: residential, commercial, park, marina, housing project, etc. October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 3 / 55
7 Introduction Figure 2: Compound structures in WorldView-2 images of Ankara and Kusadasi. October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 4 / 55
8 Introduction.., Compound structures are comprised of different spatial arrangements of primitive objects such as buildings, roads, and trees. October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 5 / 55
9 Introduction.., Compound structures are comprised of different spatial arrangements of primitive objects such as buildings, roads, and trees..., Our framework involves statistical modeling of the features of primitive objects and structural modeling of their arrangements using graphs. October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 5 / 55
10 Introduction.., Compound structures are comprised of different spatial arrangements of primitive objects such as buildings, roads, and trees..., Our framework involves statistical modeling of the features of primitive objects and structural modeling of their arrangements using graphs..., We have developed methods that use October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 5 / 55
11 Introduction.., Compound structures are comprised of different spatial arrangements of primitive objects such as buildings, roads, and trees..., Our framework involves statistical modeling of the features of primitive objects and structural modeling of their arrangements using graphs..., We have developed methods that use.., graph-based knowledge discovery, October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 5 / 55
12 Introduction.., Compound structures are comprised of different spatial arrangements of primitive objects such as buildings, roads, and trees..., Our framework involves statistical modeling of the features of primitive objects and structural modeling of their arrangements using graphs..., We have developed methods that use.., graph-based knowledge discovery,.., region co-occurrences, October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 5 / 55
13 Introduction.., Compound structures are comprised of different spatial arrangements of primitive objects such as buildings, roads, and trees..., Our framework involves statistical modeling of the features of primitive objects and structural modeling of their arrangements using graphs..., We have developed methods that use.., graph-based knowledge discovery,.., region co-occurrences,.., hierarchical clustering, October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 5 / 55
14 Introduction.., Compound structures are comprised of different spatial arrangements of primitive objects such as buildings, roads, and trees..., Our framework involves statistical modeling of the features of primitive objects and structural modeling of their arrangements using graphs..., We have developed methods that use.., graph-based knowledge discovery,.., region co-occurrences,.., hierarchical clustering,.., robust constrained clustering. October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 5 / 55
15 Detection using graph-based knowledge discovery.., Compound structures can be defined in terms of frequent occurrences of primitive region types in particular spatial arrangements..., Given a segmentation, features of neighboring region pairs are incorporated in a spatial co-occurrence space..., Density estimation in the co-occurrence space identifies groups of related region pairs. D. Zamalieva, S. Aksoy, and J. C. Tilton. Finding compound structures in images using image segmentation and graph-based knowledge discovery. In Proceedings of IEEE International Geoscience and Remote Sensing Symposium, volume V, pages , Cape Town, South Africa, July 13 17, October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 6 / 55
16 Detection using graph-based knowledge discovery Figure 3: A 2D illustration of the spatial co-occurrence space. October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 7 / 55
17 Detection using graph-based knowledge discovery.., A graph is used to encode the spatial structure where there is a vertex for each primitive region and the edges connect the vertex pairs that correspond to the modes of the density estimate..., Finally, a frequent subgraph discovery algorithm produces parts of high-level compound structures. October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 8 / 55
18 Detection using graph-based knowledge discovery Figure 4: Example substructures obtained by graph analysis, and the corresponding region groups in a multispectral Ikonos image of Antalya. October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 9 / 55
19 Detection using graph-based knowledge discovery Figure 5: Example substructures obtained by graph analysis, and the corresponding region groups in a multispectral Ikonos image of Antalya. October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 10 / 55
20 Detection using graph-based knowledge discovery Figure 6: Example segmentation obtained by clustering the subgraph histograms within sliding image windows. October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 11 / 55
21 Detection using region co-occurrences.., An alternative approach is to build a segmentation hierarchy by iteratively merging regions that appear together frequently..., Dense regions in the spatial co-occurrence space are assumed to correspond to significant relations..., After merging the significant co-occurrences, we obtain the next level in the hierarchy..., Consequently, the resulting regions represent complex structures in the image. H. G. Akcay, S. Aksoy, and P. Soille. Hierarchical segmentation of complex structures. In Proceedings of 20th IAPR International Conference on Pattern Recognition, pages , Istanbul, Turkey, August 23 26, October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 12 / 55
22 Detection using region co-occurrences Figure 7: Flowchart for hierarchical segmentation of region co-occurrences. October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 13 / 55
23 Detection using region co-occurrences October 24, 2012 Figure 8: An example Sel1m Aksoy (B1Ikent Umvers1ty) 14 /55 ' \ f I
24 Detection using region co-occurrences Figure 9: Different hierarchy levels for a pan-sharpened QuickBird image of Germany. October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 15 / 55
25 Detection using hierarchical clustering.., Our next model uses attributed relational graphs where the primitive objects form the vertices..., We connect every neighboring vertex pair with an edge..., We use a threshold on the distance between the centroids of object pairs to determine the neighbors. H. G. Akcay and S. Aksoy. Detection of compound structures using hierarchical clustering of statistical and structural features. In Proceedings of IEEE International Geoscience and Remote Sensing Symposium, pages , Vancouver, Canada, July 25 29, H. G. Akcay and S. Aksoy. Detection of compound structures using multiple hierarchical segmentations. In Proceedings of IEEE International Geoscience and Remote Sensing Symposium, Munich, Germany, July 23 27, October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 16 / 55
26 Detection using hierarchical clustering Figure 14: Examples of building detection on a multispectral WorldView-2 image of Ankara. October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 17 / 55
27 Detection using hierarchical clustering Figure 15: Examples of building detection on another multispectral WorldView-2 image of Ankara. October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 18 / 55
28 Detection using hierarchical clustering (a) Building mask (b) Neighborhood graph Figure 16: Examples of graph construction. The vertices considered as neighbors based on proximity analysis are connected with red edges in (b). October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 19 / 55
29 Detection using hierarchical clustering (a) Building mask (b) Neighborhood graph Figure 17: Examples of graph construction. The vertices considered as neighbors based on proximity analysis are connected with red edges in (b). October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 20 / 55
30 Detection using hierarchical clustering.., The statistical features that summarize the spectral content and the shape of each individual object consist of.., spectral means,.., area,.., eccentricity, and.., centroid location. October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 21 / 55
31 Detection using hierarchical clustering.., The structural features represent the spatial layout of each object with respect to its neighbors..., An important structural information is the amount of alignment among objects..., Aligned groups of objects are found by checking all possible subsets having at least three objects. Figure 18: Illustration of object alignment. October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 22 / 55
32 Detection using hierarchical clustering.., The candidate subsets are generated using a depth-first search on the neighborhood graph..., A group of three or more objects are accepted as aligned if their centroids lie on a straight line and the spacing among the objects is uniform..., The set of structural features computed for each object group consists of.., orientation of the fitted line, and.., mean of the centroid distances. October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 23 / 55
33 Detection using hierarchical clustering (a) Building mask (b) Alignment detection Figure 19: Examples of alignment detection in an image with 418 buildings. All groups of buildings satisfying the alignment criteria are shown in (b). October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 24 / 55
34 Detection using hierarchical clustering (a) Building mask (b) Alignment detection Figure 21: Examples of alignment detection. All groups of buildings satisfying the alignment criteria are shown in (b). October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 25 / 55
35 Detection using hierarchical clustering.., After each vertex is assigned statistical and structural features, the next step is to group these objects via clustering..., Once the statistical and structural distances are computed for each neighboring object pair, agglomerative hierarchical clustering iteratively groups these objects. October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 26 / 55
36 Detection using hierarchical clustering (a) Ankara image (b) Combined clustering Figure 24: Example clustering results on a multispectral WorldView-2 image of Ankara. Different groups are shown in different colors. October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 27 / 55
37 Detection using hierarchical clustering.., Each group is modeled using a Markov random field..., The cliques consist of individual regions and neighboring region pairs..., For each region r i, we compute.., a i : area,.., e i : eccentricity, and.., o i : orientation..., For each region r i and each neighbor r j, we compute.., d ij : proximity, and.., α ij : relative orientation. October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 28 / 55
38 Detection using hierarchical clustering.., We define a region process R as a set of regions R = (r i, i = 1,..., n) that follows a Gibbs distribution where 1 p(r β) = Z exp( < β, H (R) >).., Z is the partition function,.., H contains five marginal histograms as high-order statistics: H (R) = (H (d), H (α), H (a), H (e), H (o)), and.., β is the parameter set controlling each histogram bin. October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 29 / 55
39 Detection using hierarchical clustering.., Given a query region process, we learn the parameter set β using maximum likelihood estimation..., We extract the marginal histograms H (R) for each region process R in the data set..., We compute p(r β ) for each region process R..., Retrieval is achieved by ranking the region processes according to their probabilities. October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 30 / 55
40 Figure 25: Example retrieval results on a WorldView-2 image of Ankara. The query window is shown as red and the top 100 results are shown as blue. October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 31 / 55
41 Figure 26: The query window and the top 15 results in the WorldView-2 Ankara image. October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 32 / 55
42 Figure 27: Example retrieval results on a WorldView-2 image of Ankara. The query window is shown as red and the top 100 results are shown as blue. October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 33 / 55
43 Figure 28: The query window and the top 15 results in the WorldView-2 Ankara image. October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 34 / 55
44 Figure 33: Example retrieval results on a WorldView-2 image of Ankara. The query window is shown as red and the top 100 results are shown as blue. October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 35 / 55
45 Figure 34: The query window and the top 15 results in the WorldView-2 Ankara image. October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 36 / 55
46 Detection using robust constrained clustering.., Our final approach is based on clustering of image data using a robust Gaussian mixture model (GMM) that can group pixels that satisfy given spectral and spatial constraints..., We assume that the spectral and shape content of the primitive objects can be modeled using Gaussians. C. Ari and S. Aksoy. Detection of compound structures using a Gaussian mixture model with spectral and spatial constraints. In Proceedings of SPIE Defense, Security, and Sensing: Algorithms and Technologies for Multispectral, Hyperspectral, and Ultraspectral Imagery XVIII, Baltimore, Maryland, April 23 27, October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 37 / 55
47 Detection using robust constrained clustering.., Each pixel is represented using a feature vector that encodes both spectral and spatial information. x = x ms\ : multispectral data : coordinates x xy.., A group of pixels corresponding to a particular object is modeled using a Gaussian. Σ = µ ms\ : object color µ = µ xy : object position \ Σ ms 0 : homogeneity of the color content 0 Σ xy : shape of the object October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 38 / 55
48 Detection using robust constrained clustering.., The primitive objects can form different compound structures according to different spatial layouts..., Our layout model uses displacement vectors between object pairs. (a) RGB image (b) Spectral model (c) Spatial model Figure 35: An example model for six buildings in a grid formation. October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 39 / 55
49 Detection using robust constrained clustering.., We assume that we are given an example compound structure of interest with K primitive objects..., The total of Ñ pixels belonging to the given reference structure are fit a GMM with K components..., Given a target image with N pixels, the goal is to identify the pixels that are the most similar to the reference structure..., This is achieved by clustering the pixels of the target image using a robust constrained GMM model with K components. October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 40 / 55
50 Detection using robust constrained clustering Σ xy xy Σ1 Σ 2 xy xy ms ms µ 1 µ 2 2 Σ 1 µ ms ms 1 µ 2 µ ms 3 Σ ms 3 µ xy 3 Σ xy 3 (a) Spectral model (b) Spatial model Figure 36: An example GMM with K = 3 components. October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 41 / 55
51 Detection using robust constrained clustering ms ms T ms (µ 1 ms ms ms ms i µ P (i) ) (Σ P (i) ) (µ i µ P (i) ) β Σ i = Σ P (i) Σ ms 2 µ ms 2 Σ ms µ ms 1 ms 1 ms µ µ 1 2 ms ms Σ 2 Σ 1 µ ms 3 Σ ms 3 ms µ 3 ms Σ 3 (a) Reference spectral model (b) Mean constraints (c) Covariance constraints Figure 37: Spectral constraints. P (i) = j if the j th component of the reference GMM corresponds to the i th component of the target GMM. October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 42 / 55
52 Detection using robust constrained clustering µ xy xy xy xy λ min (Σ P (i) + d ij = µ P (j) i ) = λ min (Σ P (i) ) µ xy xy xy xy i + d ij µ = t j ij, t ij u λ max (Σ i ) = λ max (Σ P (i) ) xy xy Σ xy Σ xy µ xy xy Σ 1 Σ µ 2 xy xy d 12 µ 1 µ 2 t 12 t 13 d 13 d 23 xy xy µ 3 µ 3 xy t xy Σ 23 Σ 3 3 (a) Reference spatial model (b) Mean constraints (c) Covariance constraints Figure 38: Spatial constraints. October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 43 / 55
53 Detection using robust constrained clustering.., We associate each pixel in the target image with an indicator variable z j, j = 1,..., N, where z j = 1 if a pixel is determined as an inlier and z j = 0 if it is not..., Then, the robust GMM model is estimated by maximizing the trimmed log-likelihood function N j=1 z j log K \ α k p k (x j θ k ) k=1 with the additional constraint LN z j = Ñ..., The parameters that do not satisfy the desired constraints after being updated are projected onto feasible sets. j=1 October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 44 / 55
54 Detection using robust constrained clustering (a) RGB image (b) Reference structure (c) Unconstrained GMM result Figure 39: Detection of an example structure composed of four buildings with red roofs in a diamond formation in a multispectral WorldView-2 image of Ankara. 0 October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 45 / 55
55 Detection using robust constrained clustering 7 x (a) RGB image (b) Reference structure (c) Constrained GMM result Figure 40: Detection of an example structure composed of four buildings with red roofs in a diamond formation in a multispectral WorldView-2 image of Ankara. 0 October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 46 / 55
56 Detection using robust constrained clustering Figure 41: The top eight structures that corresponded to the highest likelihood values at the end of all EM runs. October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 47 / 55
57 Detection using robust constrained clustering (a) RGB image (b) Reference structure (c) Unconstrained GMM result Figure 42: Detection of an example structure corresponding to an intersection of four road segments in a multispectral WorldView-2 image of Ankara. October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 48 / 55
58 Detection using robust constrained clustering 7 x (a) RGB image (b) Reference structure (c) Constrained GMM result Figure 43: Detection of an example structure corresponding to an intersection of four road segments in a multispectral WorldView-2 image of Ankara. 0 October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 49 / 55
59 Detection using robust constrained clustering Figure 44: The top six structures that corresponded to the highest likelihood values at the end of all EM runs. October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 50 / 55
60 Detection using robust constrained clustering (a) RGB image (b) Reference structure (c) Unconstrained GMM result Figure 45: Detection of an example structure composed of four buildings and a pool in a multispectral WorldView-2 image of Ankara. October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 51 / 55
61 Detection using robust constrained clustering (a) RGB image (b) Reference structure (c) Unconstrained GMM result Figure 46: Detection of an example structure composed of four buildings and a pool in a multispectral WorldView-2 image of Ankara. 0 October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 52 / 55
62 Detection using robust constrained clustering (a) RGB image (b) Reference structure (c) Constrained GMM result Figure 47: Detection of an example structure composed of four buildings and a pool in another multispectral WorldView-2 image of Ankara. October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 53 / 55
63 Detection using robust constrained clustering (a) RGB image (b) Reference structure (c) Constrained GMM result Figure 48: Detection of an example structure composed of four buildings and a pool in another multispectral WorldView-2 image of Ankara. 0 October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 54 / 55
64 Summary.., Groups of objects with different characteristics and spatial layouts that cannot be obtained by traditional segmentation methods can be successfully extracted using the proposed methods..., Exploiting spectral information, shape information, and spatial arrangements together is a promising research direction that enables new abstractions of remote sensing image content..., Future work includes additional experiments for different types of compound structures. October 24, 2012 Qc 2012, Selim Aksoy (Bilkent University) 55 / 55
AUTOMATIC DETECTION OF HEDGES AND ORCHARDS USING VERY HIGH SPATIAL RESOLUTION IMAGERY
AUTOMATIC DETECTION OF HEDGES AND ORCHARDS USING VERY HIGH SPATIAL RESOLUTION IMAGERY Selim Aksoy Department of Computer Engineering, Bilkent University, Bilkent, 06800, Ankara, Turkey saksoy@cs.bilkent.edu.tr
More informationCompound Object Detection Using Region Co-occurrence Statistics
Compound Object Detection Using Region Co-occurrence Statistics Selim Aksoy 1 Krzysztof Koperski 2 Carsten Tusk 2 Giovanni Marchisio 2 1 Department of Computer Engineering, Bilkent University, Ankara,
More informationUnsupervised Clustering of EO-1 ALI Panchromatic Data Using Multilevel Local Pattern Histograms and Latent Dirichlet Allocation Classification
ANALELE UNIVERSITĂłII EFTIMIE MURGU REŞIłA ANUL XVIII, NR., 011, ISSN 1453-7397 Costăchioiu Teodor, Niță Iulian, Lăzărescu Vasile, Datcu Mihai Unsupervised Clustering of EO-1 ALI Panchromatic Data Using
More informationAdvances in the Processing of VHR Optical Imagery in Support of Safeguards Verification
Member of the Helmholtz Association Symposium on International Safeguards: Linking Strategy, Implementation and People IAEA-CN220, Vienna, Oct 20-24, 2014 Session: New Trends in Commercial Satellite Imagery
More informationClassification in Image processing: A Survey
Classification in Image processing: A Survey Rashmi R V, Sheela Sridhar Department of computer science and Engineering, B.N.M.I.T, Bangalore-560070 Department of computer science and Engineering, B.N.M.I.T,
More informationCOLOR IMAGE SEGMENTATION USING K-MEANS CLASSIFICATION ON RGB HISTOGRAM SADIA BASAR, AWAIS ADNAN, NAILA HABIB KHAN, SHAHAB HAIDER
COLOR IMAGE SEGMENTATION USING K-MEANS CLASSIFICATION ON RGB HISTOGRAM SADIA BASAR, AWAIS ADNAN, NAILA HABIB KHAN, SHAHAB HAIDER Department of Computer Science, Institute of Management Sciences, 1-A, Sector
More informationImage Analysis based on Spectral and Spatial Grouping
Image Analysis based on Spectral and Spatial Grouping B. Naga Jyothi 1, K.S.R. Radhika 2 and Dr. I. V.Murali Krishna 3 1 Assoc. Prof., Dept. of ECE, DMS SVHCE, Machilipatnam, A.P., India 2 Assoc. Prof.,
More informationAugment the Spatial Resolution of Multispectral Image Using PCA Fusion Method and Classified It s Region Using Different Techniques.
Augment the Spatial Resolution of Multispectral Image Using PCA Fusion Method and Classified It s Region Using Different Techniques. Israa Jameel Muhsin 1, Khalid Hassan Salih 2, Ebtesam Fadhel 3 1,2 Department
More informationClassification of Analog Modulated Communication Signals using Clustering Techniques: A Comparative Study
F. Ü. Fen ve Mühendislik Bilimleri Dergisi, 7 (), 47-56, 005 Classification of Analog Modulated Communication Signals using Clustering Techniques: A Comparative Study Hanifi GULDEMIR Abdulkadir SENGUR
More informationAdvanced Techniques in Urban Remote Sensing
Advanced Techniques in Urban Remote Sensing Manfred Ehlers Institute for Geoinformatics and Remote Sensing (IGF) University of Osnabrueck, Germany mehlers@igf.uni-osnabrueck.de Contents Urban Remote Sensing:
More informationIMPROVEMENT IN THE DETECTION OF LAND COVER CLASSES USING THE WORLDVIEW-2 IMAGERY
IMPROVEMENT IN THE DETECTION OF LAND COVER CLASSES USING THE WORLDVIEW-2 IMAGERY Ahmed Elsharkawy 1,2, Mohamed Elhabiby 1,3 & Naser El-Sheimy 1,4 1 Dept. of Geomatics Engineering, University of Calgary
More informationUrban Road Network Extraction from Spaceborne SAR Image
Progress In Electromagnetics Research Symposium 005, Hangzhou, hina, ugust -6 59 Urban Road Network Extraction from Spaceborne SR Image Guangzhen ao and Ya-Qiu Jin Fudan University, hina bstract two-step
More informationColor Image Processing
Color Image Processing Selim Aksoy Department of Computer Engineering Bilkent University saksoy@cs.bilkent.edu.tr Color Used heavily in human vision. Visible spectrum for humans is 400 nm (blue) to 700
More informationAudio Similarity. Mark Zadel MUMT 611 March 8, Audio Similarity p.1/23
Audio Similarity Mark Zadel MUMT 611 March 8, 2004 Audio Similarity p.1/23 Overview MFCCs Foote Content-Based Retrieval of Music and Audio (1997) Logan, Salomon A Music Similarity Function Based On Signal
More informationAdvanced Techniques for Mobile Robotics Location-Based Activity Recognition
Advanced Techniques for Mobile Robotics Location-Based Activity Recognition Wolfram Burgard, Cyrill Stachniss, Kai Arras, Maren Bennewitz Activity Recognition Based on L. Liao, D. J. Patterson, D. Fox,
More informationKeywords: - Gaussian Mixture model, Maximum likelihood estimator, Multiresolution analysis
Volume 4, Issue 2, February 2014 ISSN: 2277 128X International Journal of Advanced Research in Computer Science and Software Engineering Research Paper Available online at: www.ijarcsse.com Expectation
More informationAn Efficient Color Image Segmentation using Edge Detection and Thresholding Methods
19 An Efficient Color Image Segmentation using Edge Detection and Thresholding Methods T.Arunachalam* Post Graduate Student, P.G. Dept. of Computer Science, Govt Arts College, Melur - 625 106 Email-Arunac682@gmail.com
More informationAdaptive Vision Leveraging Digital Retinas: Extracting Meaningful Segments
Adaptive Vision Leveraging Digital Retinas: Extracting Meaningful Segments Nicolas Burrus and Thierry M Bernard September 20, 2006 Nicolas Burrus Adaptive Vision Leveraging
More informationObject based Classification of Satellite images by Combining the HDP, IBP and k-mean on multiple scenes
Object based Classification of Satellite images by Combining the HDP, IBP and k-mean on multiple scenes 1 Dipika R. Parate, 2 Prof. N.M. Dhande 1Computer Science & Engineering, RTMNU University, A.C.E,
More informationInternational Journal of Innovative Research in Engineering Science and Technology APRIL 2018 ISSN X
HIGH DYNAMIC RANGE OF MULTISPECTRAL ACQUISITION USING SPATIAL IMAGES 1 M.Kavitha, M.Tech., 2 N.Kannan, M.E., and 3 S.Dharanya, M.E., 1 Assistant Professor/ CSE, Dhirajlal Gandhi College of Technology,
More informationCURRENT SCENARIO AND CHALLENGES IN THE ANALYSIS OF MULTITEMPORAL REMOTE SENSING IMAGES
Remote Sensing Laboratory Dept. of Information Engineering and Computer Science University of Trento Via Sommarive, 14, I-38123 Povo, Trento, Italy CURRENT SCENARIO AND CHALLENGES IN THE ANALYSIS OF MULTITEMPORAL
More informationCoding & Signal Processing for Holographic Data Storage. Vijayakumar Bhagavatula
Coding & Signal Processing for Holographic Data Storage Vijayakumar Bhagavatula Acknowledgements Venkatesh Vadde Mehmet Keskinoz Sheida Nabavi Lakshmi Ramamoorthy Kevin Curtis, Adrian Hill & Mark Ayres
More informationIdentifying pure urban image spectra using a learning urban image spectral archive (LUISA)
Identifying pure urban image spectra using a learning urban image spectral archive (LUISA) Marianne Jilge, Uta Heiden, Martin Habermeyer, André Mende, Carsten Juergens Introduction Urban surface materials
More informationAdaptive Feature Analysis Based SAR Image Classification
I J C T A, 10(9), 2017, pp. 973-977 International Science Press ISSN: 0974-5572 Adaptive Feature Analysis Based SAR Image Classification Debabrata Samanta*, Abul Hasnat** and Mousumi Paul*** ABSTRACT SAR
More informationImproved SIFT Matching for Image Pairs with a Scale Difference
Improved SIFT Matching for Image Pairs with a Scale Difference Y. Bastanlar, A. Temizel and Y. Yardımcı Informatics Institute, Middle East Technical University, Ankara, 06531, Turkey Published in IET Electronics,
More informationAntennas and Propagation. Chapter 6b: Path Models Rayleigh, Rician Fading, MIMO
Antennas and Propagation b: Path Models Rayleigh, Rician Fading, MIMO Introduction From last lecture How do we model H p? Discrete path model (physical, plane waves) Random matrix models (forget H p and
More informationCollege of Engineering
WiFi and WCDMA Network Design Robert Akl, D.Sc. College of Engineering Department of Computer Science and Engineering Outline WiFi Access point selection Traffic balancing Multi-Cell WCDMA with Multiple
More informationVery High Resolution Satellite Images Filtering
23 Eighth International Conference on Broadband, Wireless Computing, Communication and Applications Very High Resolution Satellite Images Filtering Assia Kourgli LTIR, Faculté d Electronique et d Informatique
More informationSpectral and spatial quality analysis of pansharpening algorithms: A case study in Istanbul
European Journal of Remote Sensing ISSN: (Print) 2279-7254 (Online) Journal homepage: http://www.tandfonline.com/loi/tejr20 Spectral and spatial quality analysis of pansharpening algorithms: A case study
More informationBogdan Smolka. Polish-Japanese Institute of Information Technology Koszykowa 86, , Warsaw
appeared in 10. Workshop Farbbildverarbeitung 2004, Koblenz, Online-Proceedings http://www.uni-koblenz.de/icv/fws2004/ Robust Color Image Retrieval for the WWW Bogdan Smolka Polish-Japanese Institute of
More informationAdvanced Maximal Similarity Based Region Merging By User Interactions
Advanced Maximal Similarity Based Region Merging By User Interactions Nehaverma, Deepak Sharma ABSTRACT Image segmentation is a popular method for dividing the image into various segments so as to change
More informationCommunity Detection and Labeling Nodes
and Labeling Nodes Hao Chen Department of Statistics, Stanford Jan. 25, 2011 (Department of Statistics, Stanford) Community Detection and Labeling Nodes Jan. 25, 2011 1 / 9 Community Detection - Network:
More informationCoE4TN4 Image Processing. Chapter 3: Intensity Transformation and Spatial Filtering
CoE4TN4 Image Processing Chapter 3: Intensity Transformation and Spatial Filtering Image Enhancement Enhancement techniques: to process an image so that the result is more suitable than the original image
More informationDEM GENERATION WITH WORLDVIEW-2 IMAGES
DEM GENERATION WITH WORLDVIEW-2 IMAGES G. Büyüksalih a, I. Baz a, M. Alkan b, K. Jacobsen c a BIMTAS, Istanbul, Turkey - (gbuyuksalih, ibaz-imp)@yahoo.com b Zonguldak Karaelmas University, Zonguldak, Turkey
More informationFinding people in repeated shots of the same scene
Finding people in repeated shots of the same scene Josef Sivic C. Lawrence Zitnick Richard Szeliski University of Oxford Microsoft Research Abstract The goal of this work is to find all occurrences of
More informationSegmentation using Saturation Thresholding and its Application in Content-Based Retrieval of Images
Segmentation using Saturation Thresholding and its Application in Content-Based Retrieval of Images A. Vadivel 1, M. Mohan 1, Shamik Sural 2 and A.K.Majumdar 1 1 Department of Computer Science and Engineering,
More informationWhite Intensity = 1. Black Intensity = 0
A Region-based Color Image Segmentation Scheme N. Ikonomakis a, K. N. Plataniotis b and A. N. Venetsanopoulos a a Dept. of Electrical and Computer Engineering, University of Toronto, Toronto, Canada b
More informationINFORMATION CONTENT ANALYSIS FROM VERY HIGH RESOLUTION OPTICAL SPACE IMAGERY FOR UPDATING SPATIAL DATABASE
INFORMATION CONTENT ANALYSIS FROM VERY HIGH RESOLUTION OPTICAL SPACE IMAGERY FOR UPDATING SPATIAL DATABASE M. Alkan a, * a Department of Geomatics, Faculty of Civil Engineering, Yıldız Technical University,
More informationEvaluating the Effects of Shadow Detection on QuickBird Image Classification and Spectroradiometric Restoration
Remote Sens. 2013, 5, 4450-4469; doi:10.3390/rs5094450 Article OPEN ACCESS Remote Sensing ISSN 2072-4292 www.mdpi.com/journal/remotesensing Evaluating the Effects of Shadow Detection on QuickBird Image
More informationImage segmentation plays a vital role in various areas of the computer industry. It is having a unique notion in the image
ISSN: 0975-766X CODEN: IJPTFI Available Online through Research Article www.ijptonline.com A COMPARATIVE STUDY ON IMAGE SEGMENTATION TECHNIQUES Rajesh Kaluri* School of Information Technology and Engineering,
More informationCOMBINATION OF OBJECT-BASED AND PIXEL-BASED IMAGE ANALYSIS FOR CLASSIFICATION OF VHR IMAGERY OVER URBAN AREAS INTRODUCTION
COMBINATION OF OBJECT-BASED AND PIXEL-BASED IMAGE ANALYSIS FOR CLASSIFICATION OF VHR IMAGERY OVER URBAN AREAS Bahram Salehi a, PhD Candidate Yun Zhang a, Professor Ming Zhong b, Associates Professor a
More informationA Survey Based on Region Based Segmentation
International Journal of Engineering Trends and Technology (IJETT) Volume 7 Number 3- Jan 2014 A Survey Based on Region Based Segmentation S.Karthick Assistant Professor, Department of EEE The Kavery Engineering
More informationAN OBJECT-ORIENTED CLASSIFICATION METHOD ON HIGH RESOLUTION SATELLITE DATA , China -
25 th ACRS 2004 Chiang Mai, Thailand 347 AN OBJECT-ORIENTED CLASSIFICATION METHOD ON HIGH RESOLUTION SATELLITE DATA Sun Xiaoxia a Zhang Jixian a Liu Zhengjun a a Chinese Academy of Surveying and Mapping,
More informationRemote Sensing. Odyssey 7 Jun 2012 Benjamin Post
Remote Sensing Odyssey 7 Jun 2012 Benjamin Post Definitions Applications Physics Image Processing Classifiers Ancillary Data Data Sources Related Concepts Outline Big Picture Definitions Remote Sensing
More informationKeywords: Agriculture, Olive Trees, Supervised Classification, Landsat TM, QuickBird, Remote Sensing.
Classification of agricultural fields by using Landsat TM and QuickBird sensors. The case study of olive trees in Lesvos island. Christos Vasilakos, University of the Aegean, Department of Environmental
More informationRecognition Of Vehicle Number Plate Using MATLAB
Recognition Of Vehicle Number Plate Using MATLAB Mr. Ami Kumar Parida 1, SH Mayuri 2,Pallabi Nayk 3,Nidhi Bharti 4 1Asst. Professor, Gandhi Institute Of Engineering and Technology, Gunupur 234Under Graduate,
More informationReal Time Video Analysis using Smart Phone Camera for Stroboscopic Image
Real Time Video Analysis using Smart Phone Camera for Stroboscopic Image Somnath Mukherjee, Kritikal Solutions Pvt. Ltd. (India); Soumyajit Ganguly, International Institute of Information Technology (India)
More informationWavelet Based Classification of Multispectral Satellite Image Using Fuzzy Incorporated Hierarchical Clustering With SVM Classifier
Wavelet Based Classification of Multispectral Satellite Image Using Fuzzy Incorporated Hierarchical Clustering With SVM Classifier S.Sindhu 1, Dr.S.Vasuki 2. Abstract Multispectral satellite images are
More informationGE 113 REMOTE SENSING
GE 113 REMOTE SENSING Topic 8. Image Classification and Accuracy Assessment Lecturer: Engr. Jojene R. Santillan jrsantillan@carsu.edu.ph Division of Geodetic Engineering College of Engineering and Information
More informationFig Color spectrum seen by passing white light through a prism.
1. Explain about color fundamentals. Color of an object is determined by the nature of the light reflected from it. When a beam of sunlight passes through a glass prism, the emerging beam of light is not
More informationBackground Adaptive Band Selection in a Fixed Filter System
Background Adaptive Band Selection in a Fixed Filter System Frank J. Crosby, Harold Suiter Naval Surface Warfare Center, Coastal Systems Station, Panama City, FL 32407 ABSTRACT An automated band selection
More informationDetecting artificial areas inside reference parcels. A technique to assist the evaluation of non-eligibility in agriculture
1 Detecting artificial areas inside reference parcels. A technique to assist the evaluation of non-eligibility in agriculture R. de Kok, C.Wirnhardt EC Joint Research Centre, IES Motivation Wall-to-wall
More informationImproving Spatial Resolution Of Satellite Image Using Data Fusion Method
Muhsin and Mashee Iraqi Journal of Science, December 0, Vol. 53, o. 4, Pp. 943-949 Improving Spatial Resolution Of Satellite Image Using Data Fusion Method Israa J. Muhsin & Foud,K. Mashee Remote Sensing
More informationCOMPARING SPECTRAL AND OBJECT BASED APPROACHES FOR CLASSIFICATION AND TRANSPORTATION FEATURE EXTRACTION FROM HIGH RESOLUTION MULTISPECTRAL IMAGERY
COMPARING SPECTRAL AND OBJECT BASED APPROACHES FOR CLASSIFICATION AND TRANSPORTATION FEATURE EXTRACTION FROM HIGH RESOLUTION MULTISPECTRAL IMAGERY Sunil Reddy Repaka, Research Assistant Dennis D. Truax,
More informationApplication of Linear Spectral unmixing to Enrique reef for classification
Application of Linear Spectral unmixing to Enrique reef for classification Carmen C. Zayas-Santiago University of Puerto Rico Mayaguez Marine Sciences Department Stefani 224 Mayaguez, PR 00681 c_castula@hotmail.com
More informationScalable Methods for the Analysis of Network-Based Data
Scalable Methods for the Analysis of Network-Based Data MURI Project: University of California, Irvine Annual Review Meeting December 8 th 2009 Principal Investigator: Padhraic Smyth Today s Meeting Goals
More informationAutomatic Vehicles Detection from High Resolution Satellite Imagery Using Morphological Neural Networks
Automatic Vehicles Detection from High Resolution Satellite Imagery Using Morphological Neural Networks HONG ZHENG Research Center for Intelligent Image Processing and Analysis School of Electronic Information
More informationComputing for Engineers in Python
Computing for Engineers in Python Lecture 10: Signal (Image) Processing Autumn 2011-12 Some slides incorporated from Benny Chor s course 1 Lecture 9: Highlights Sorting, searching and time complexity Preprocessing
More informationChapter 17. Shape-Based Operations
Chapter 17 Shape-Based Operations An shape-based operation identifies or acts on groups of pixels that belong to the same object or image component. We have already seen how components may be identified
More informationDigital Image Processing. Lecture # 6 Corner Detection & Color Processing
Digital Image Processing Lecture # 6 Corner Detection & Color Processing 1 Corners Corners (interest points) Unlike edges, corners (patches of pixels surrounding the corner) do not necessarily correspond
More informationRegion Based Satellite Image Segmentation Using JSEG Algorithm
Available Online at www.ijcsmc.com International Journal of Computer Science and Mobile Computing A Monthly Journal of Computer Science and Information Technology IJCSMC, Vol. 4, Issue. 5, May 2015, pg.1012
More informationCombining Spectral and Texture Information for Remote Sensing Image Segmentation
International Journal of Research Studies in Science, Engineering and Technology Volume 2, Issue 12, December 2015, PP 1-7 ISSN 2349-4751 (Print) & ISSN 2349-476X (Online) Combining Spectral and Texture
More informationDISCRIMINANT FUNCTION CHANGE IN ERDAS IMAGINE
DISCRIMINANT FUNCTION CHANGE IN ERDAS IMAGINE White Paper April 20, 2015 Discriminant Function Change in ERDAS IMAGINE For ERDAS IMAGINE, Hexagon Geospatial has developed a new algorithm for change detection
More informationA COMPARATIVE ANALYSIS OF IMAGE SEGMENTATION TECHNIQUES
International Journal of Computer Engineering & Technology (IJCET) Volume 9, Issue 5, September-October 2018, pp. 64 69, Article ID: IJCET_09_05_009 Available online at http://www.iaeme.com/ijcet/issues.asp?jtype=ijcet&vtype=9&itype=5
More informationEFFECTS OF PHASE AND AMPLITUDE ERRORS ON QAM SYSTEMS WITH ERROR- CONTROL CODING AND SOFT DECISION DECODING
Clemson University TigerPrints All Theses Theses 8-2009 EFFECTS OF PHASE AND AMPLITUDE ERRORS ON QAM SYSTEMS WITH ERROR- CONTROL CODING AND SOFT DECISION DECODING Jason Ellis Clemson University, jellis@clemson.edu
More informationTHE IMAGE REGISTRATION TECHNIQUE FOR HIGH RESOLUTION REMOTE SENSING IMAGE IN HILLY AREA
THE IMAGE REGISTRATION TECHNIQUE FOR HIGH RESOLUTION REMOTE SENSING IMAGE IN HILLY AREA Gang Hong, Yun Zhang Department of Geodesy and Geomatics Engineering University of New Brunswick Fredericton, New
More informationStudy Impact of Architectural Style and Partial View on Landmark Recognition
Study Impact of Architectural Style and Partial View on Landmark Recognition Ying Chen smileyc@stanford.edu 1. Introduction Landmark recognition in image processing is one of the important object recognition
More informationExtraction and Recognition of Text From Digital English Comic Image Using Median Filter
Extraction and Recognition of Text From Digital English Comic Image Using Median Filter S.Ranjini 1 Research Scholar,Department of Information technology Bharathiar University Coimbatore,India ranjinisengottaiyan@gmail.com
More informationTarget detection in side-scan sonar images: expert fusion reduces false alarms
Target detection in side-scan sonar images: expert fusion reduces false alarms Nicola Neretti, Nathan Intrator and Quyen Huynh Abstract We integrate several key components of a pattern recognition system
More informationA TWO-PART PREDICTIVE CODER FOR MULTITASK SIGNAL COMPRESSION. Scott Deeann Chen and Pierre Moulin
A TWO-PART PREDICTIVE CODER FOR MULTITASK SIGNAL COMPRESSION Scott Deeann Chen and Pierre Moulin University of Illinois at Urbana-Champaign Department of Electrical and Computer Engineering 5 North Mathews
More informationLAND USE MAP PRODUCTION BY FUSION OF MULTISPECTRAL CLASSIFICATION OF LANDSAT IMAGES AND TEXTURE ANALYSIS OF HIGH RESOLUTION IMAGES
LAND USE MAP PRODUCTION BY FUSION OF MULTISPECTRAL CLASSIFICATION OF LANDSAT IMAGES AND TEXTURE ANALYSIS OF HIGH RESOLUTION IMAGES Xavier OTAZU, Roman ARBIOL Institut Cartogràfic de Catalunya, Spain xotazu@icc.es,
More informationImage Extraction using Image Mining Technique
IOSR Journal of Engineering (IOSRJEN) e-issn: 2250-3021, p-issn: 2278-8719 Vol. 3, Issue 9 (September. 2013), V2 PP 36-42 Image Extraction using Image Mining Technique Prof. Samir Kumar Bandyopadhyay,
More informationImage Processing for feature extraction
Image Processing for feature extraction 1 Outline Rationale for image pre-processing Gray-scale transformations Geometric transformations Local preprocessing Reading: Sonka et al 5.1, 5.2, 5.3 2 Image
More informationNoise Adaptive and Similarity Based Switching Median Filter for Salt & Pepper Noise
51 Noise Adaptive and Similarity Based Switching Median Filter for Salt & Pepper Noise F. Katircioglu Abstract Works have been conducted recently to remove high intensity salt & pepper noise by virtue
More informationMultispectral Fusion for Synthetic Aperture Radar (SAR) Image Based Framelet Transform
Radar (SAR) Image Based Transform Department of Electrical and Electronic Engineering, University of Technology email: Mohammed_miry@yahoo.Com Received: 10/1/011 Accepted: 9 /3/011 Abstract-The technique
More informationWeaving Density Evaluation with the Aid of Image Analysis
Lenka Techniková, Maroš Tunák Faculty of Textile Engineering, Technical University of Liberec, Studentská, 46 7 Liberec, Czech Republic, E-mail: lenka.technikova@tul.cz. maros.tunak@tul.cz. Weaving Density
More informationPart I Feature Extraction (1) Image Enhancement. CSc I6716 Spring Local, meaningful, detectable parts of the image.
CSc I6716 Spring 211 Introduction Part I Feature Extraction (1) Zhigang Zhu, City College of New York zhu@cs.ccny.cuny.edu Image Enhancement What are Image Features? Local, meaningful, detectable parts
More informationGround Target Signal Simulation by Real Signal Data Modification
Ground Target Signal Simulation by Real Signal Data Modification Witold CZARNECKI MUT Military University of Technology ul.s.kaliskiego 2, 00-908 Warszawa Poland w.czarnecki@tele.pw.edu.pl SUMMARY Simulation
More informationSabanci-Okan System at Plant Identication Competition
Sabanci-Okan System at ImageClef 2013 Plant Identication Competition B. Yanıkoğlu 1, E. Aptoula 2 ve S. Tolga Yildiran 1 1 Sabancı University 2 Okan University Istanbul, Turkey Problem & Motivation Task:
More informationA Novel Method for Enhancing Satellite & Land Survey Images Using Color Filter Array Interpolation Technique (CFA)
A Novel Method for Enhancing Satellite & Land Survey Images Using Color Filter Array Interpolation Technique (CFA) Suma Chappidi 1, Sandeep Kumar Mekapothula 2 1 PG Scholar, Department of ECE, RISE Krishna
More informationReduced Complexity Wavelet-Based Predictive Coding of Hyperspectral Images for FPGA Implementation
Reduced Complexity Wavelet-Based Predictive Coding of Hyperspectral Images for FPGA Implementation Agnieszka C. Miguel Amanda R. Askew Alexander Chang Scott Hauck Richard E. Ladner Eve A. Riskin Department
More informationHistogram Equalization: A Strong Technique for Image Enhancement
, pp.345-352 http://dx.doi.org/10.14257/ijsip.2015.8.8.35 Histogram Equalization: A Strong Technique for Image Enhancement Ravindra Pal Singh and Manish Dixit Dept. of Comp. Science/IT MITS Gwalior, 474005
More informationLearning Hierarchical Visual Codebook for Iris Liveness Detection
Learning Hierarchical Visual Codebook for Iris Liveness Detection Hui Zhang 1,2, Zhenan Sun 2, Tieniu Tan 2, Jianyu Wang 1,2 1.Shanghai Institute of Technical Physics, Chinese Academy of Sciences 2.National
More informationMRF Matting on Complex Images
Proceedings of the 6th WSEAS International Conference on Multimedia Systems & Signal Processing, Hangzhou, China, April 16-18, 2006 (pp50-55) MRF Matting on Complex Images Shengyou Lin 1, Ruifang Pan 1,
More informationAdaptive CDMA Cell Sectorization with Linear Multiuser Detection
Adaptive CDMA Cell Sectorization with Linear Multiuser Detection Changyoon Oh Aylin Yener Electrical Engineering Department The Pennsylvania State University University Park, PA changyoon@psu.edu, yener@ee.psu.edu
More informationApplication of QAP in Modulation Diversity (MoDiv) Design
Application of QAP in Modulation Diversity (MoDiv) Design Hans D Mittelmann School of Mathematical and Statistical Sciences Arizona State University INFORMS Annual Meeting Philadelphia, PA 4 November 2015
More informationHigh-speed Noise Cancellation with Microphone Array
Noise Cancellation a Posteriori Probability, Maximum Criteria Independent Component Analysis High-speed Noise Cancellation with Microphone Array We propose the use of a microphone array based on independent
More informationMikko Myllymäki and Tuomas Virtanen
NON-STATIONARY NOISE MODEL COMPENSATION IN VOICE ACTIVITY DETECTION Mikko Myllymäki and Tuomas Virtanen Department of Signal Processing, Tampere University of Technology Korkeakoulunkatu 1, 3370, Tampere,
More informationCLASSIFICATION OF CLOSED AND OPEN-SHELL (TURKISH) PISTACHIO NUTS USING DOUBLE TREE UN-DECIMATED WAVELET TRANSFORM
CLASSIFICATION OF CLOSED AND OPEN-SHELL (TURKISH) PISTACHIO NUTS USING DOUBLE TREE UN-DECIMATED WAVELET TRANSFORM Nuri F. Ince 1, Fikri Goksu 1, Ahmed H. Tewfik 1, Ibrahim Onaran 2, A. Enis Cetin 2, Tom
More informationAdaptive Waveforms for Target Class Discrimination
Adaptive Waveforms for Target Class Discrimination Jun Hyeong Bae and Nathan A. Goodman Department of Electrical and Computer Engineering University of Arizona 3 E. Speedway Blvd, Tucson, Arizona 857 dolbit@email.arizona.edu;
More informationIDENTIFICATION OF SIGNATURES TRANSMITTED OVER RAYLEIGH FADING CHANNEL BY USING HMM AND RLE
International Journal of Technology (2011) 1: 56 64 ISSN 2086 9614 IJTech 2011 IDENTIFICATION OF SIGNATURES TRANSMITTED OVER RAYLEIGH FADING CHANNEL BY USING HMM AND RLE Djamhari Sirat 1, Arman D. Diponegoro
More informationImage interpretation and analysis
Image interpretation and analysis Grundlagen Fernerkundung, Geo 123.1, FS 2014 Lecture 7a Rogier de Jong Michael Schaepman Why are snow, foam, and clouds white? Why are snow, foam, and clouds white? Today
More informationPreparing Remote Sensing Data for Natural Resources Mapping (image enhancement, rectifications )
Preparing Remote Sensing Data for Natural Resources Mapping (image enhancement, rectifications ) Why is this important What are the major approaches Examples of digital image enhancement Follow up exercises
More informationREGISTRATION OF OPTICAL AND SAR SATELLITE IMAGES BASED ON GEOMETRIC FEATURE TEMPLATES
REGISTRATION OF OPTICAL AND SAR SATELLITE IMAGES BASED ON GEOMETRIC FEATURE TEMPLATES N. Merkle, R. Müller, P. Reinartz German Aerospace Center (DLR), Remote Sensing Technology Institute, Oberpfaffenhofen,
More informationBayesian Nonparametrics and DPMM
Bayesian Nonparametrics and DPMM Machine Learning: Jordan Boyd-Graber University of Colorado Boulder LECTURE 17 Machine Learning: Jordan Boyd-Graber Boulder Bayesian Nonparametrics and DPMM 1 of 17 Clustering
More informationA METHOD FOR ADAPTING GLOBAL IMAGE SEGMENTATION METHODS TO IMAGES OF DIFFERENT RESOLUTIONS
A METHOD FOR ADAPTING GLOBAL IMAGE SEGMENTATION METHODS TO IMAGES OF DIFFERENT RESOLUTIONS P. Hofmann c, Josef Strobl a, Thomas Blaschke a a Z_GIS, Zentrum für Geoinformatik, Paris-Lodron-Universität Salzburg,
More informationColor Image Segmentation Based on PCNN
Journal of Mathematics and Informatics Vol. 13, 018, 41-53 ISSN: 349-063 (P), 349-0640 (online) Published 1 May 018 www.researchmathsci.org DOI: http://dx.doi.org/10.457/jmi.v13a5 Journal of Color Image
More informationTHE goal of Speaker Diarization is to segment audio
SUBMITTED TO IEEE TRANSACTIONS ON AUDIO, SPEECH, AND LANGUAGE PROCESSING 1 The ICSI RT-09 Speaker Diarization System Gerald Friedland* Member IEEE, Adam Janin, David Imseng Student Member IEEE, Xavier
More informationDynamic Fair Channel Allocation for Wideband Systems
Outlines Introduction and Motivation Dynamic Fair Channel Allocation for Wideband Systems Department of Mobile Communications Eurecom Institute Sophia Antipolis 19/10/2006 Outline of Part I Outlines Introduction
More informationABSTRACT - The remote sensing images fusing is a method, which integrates multiform image data sets into a
Images Fusing in Remote Sensing Mapping 1 Qiming Qin *, Daping Liu **, Haitao Liu *** * Professor and Deputy Director, ** Senior Engineer, *** Postgraduate Student Institute of Remote Sensing and GIS at
More information