Introduction to KOMPSAT

Transcription

1 Introduction to KOMPSAT September,

2 CONTENTS 01 Introduction of SIIS 02 KOMPSAT Constellation 03 New : KOMPSAT-3 50 cm 04 New : KOMPSAT-3A 2

3 KOMPSAT Constellation KOMPSAT series National space program Developed and operated by KARI (Korea Aerospace Research Institute) Dual use : Government & commercial Worldwide imagery distribution by KOMPSAT-5 Design lifetime : 5 years ~ 1.0 m SAR Payload LTAN : 6:00 (18:00) KOMPSAT-2 Design lifetime : 3 years ~ 1.0 m EO Payload LTAN : 10:50 KOMPSAT-3 Design lifetime : 4 years ~ 0.7 m EO Payload LTAN : 13:30 KOMPSAT-3A Design lifetime : 4 years ~ 0.55 m EO & 5.5 m IR Payload LTAN : 13:30 4

4 KOMPSAT Constellation KOMPSAT-2 Specification Launch 28 July, 2006 Ground Sampling Distance Swath Width Spectral Bands Location Accuracy Tilt Angle Data Quantization Orbit Duty PAN : km(nadir) MS : km(nadir) 15 km (nadir) PAN MS1 (Blue) : 500 ~ 900 nm : 450 ~ 520 nm MS2 (Green) : 520 ~ 600 nm MS3 (Red) MS4 (NIR) < 50.9 m CE90 Roll(-30~30 deg.) 10 bits / pixel : 630 ~ 690 nm : 760 ~ 900 nm Sun Synchronous Orbit Altitude : 685 km Inclination : deg. MLTAN : 10:50 20% per orbit 5 KOMPSAT-2 s Strength Huge archive over lifetime

5 Kompsat 2 example Sweden 1: Original image LM 1 m res, 8bit rgb 2: Kompsat 2 image, 1m res, 16 bit -> 8bit 3: Change detection PCI 6 Can we do this better? Use 16 bit RGB+IR

6 Kompsat 2 example Sweden 1: Original image LM 1 m res, 8bit rgb 2: Kompsat 2 image, 1m res, 16 bit -> 8bit 3: Change detection PCI 7 Can we do this better? Use 16 bit RGB+IR

7 Kompsat 2 example Sweden 1: Original image LM 1 m res, 8bit rgb 2: Kompsat 2 image, 1m res, 16 bit -> 8bit 3: Change detection PCI 8 Can we do this better? Use 16 bit RGB+IR

8 9 Tokyo, Japan

9 Quirinopolis, Brazil KOMPSAT Constellation 10

10 KOMPSAT Constellation KOMPSAT-3 Specification Launch 17 May, 2012 Ground Sampling Distance Swath Width Spectral Bands Location Accuracy Tilt Angle Data Quantization Orbit Duty PAN : km(nadir) MS : km(nadir) 16 km (nadir) PAN MS1 (Blue) : 450 ~ 900 nm : 450 ~ 520 nm MS2 (Green) : 520 ~ 600 nm MS3 (Red) MS4 (NIR) < 48.5 m CE90 : 630 ~ 690 nm : 760 ~ 900 nm Roll(-45~45 deg.) / Pitch(-30~30 deg.) 14 bits / pixel Sun Synchronous Orbit Altitude : ± 1 km Inclination : ± 0.05 deg. MLTAN : 13:30 +10/-15 min 10% per orbit 11 What s NEW? 50cm product processed

11 KOMPSAT Constellation Dubai, UAE 12

12 KOMPSAT Constellation Sidoarjo, Indonesia 13

13 KOMPSAT Constellation KOMPSAT-5 Specification Launch 22 August, 2013 Payload Frequency NESZ Radiometric Accuracy Incidence Angles Synthetic Aperture Radar (SAR) 9.66 GHz (X-band) -17 db 1 db 20 ~ 45 deg. (nominal, 304 km coverage) 45 ~ 55 deg. (extended, additional 186 km coverage) Orbit Duty Imaging Mode Sun Synchronous, Dawn-dusk orbit Altitude : 550 km Inclination : 97.6 deg. Local Time : 6 A.M. and 6 P.M. 2 minutes per orbit Spotlight (HR, UH, EH) Strip (ST, ES) ScanSAR (WS, EW) What s NEW? New Imaging Modes, Quality Improvement 14

14 KOMPSAT Constellation 15 KOMPSAT-5 Imagery EH-12, , Hrazdan Central Stadium, Armenia

15 KOMPSAT Constellation KOMPSAT-3A Specification Launch March 26, 2015 Ground Sampling Distance Swath Width Spectral Bands Tilt Angle Data Quantization Orbit PAN : km(nadir) MS : km(nadir) >13km (nadir) PAN : 450 ~ 900 nm MS1 (Blue) : 450 ~ 520 nm MS2 (Green) : 520 ~ 600 nm MS3 (Red) MS4 (NIR) : 630 ~ 690 nm : 760 ~ 900 nm Roll(-45~45 deg.) / Pitch(-30~30 deg.) 14 bits / pixel Sun Synchronous Orbit Altitude : 528 km Inclination : 97.5 deg. MLTAN : 13:30 What s NEW? 40cm product processed 16

16 KOMPSAT Constellation 17

17 KOMPSAT Constellation 18

18 Benefits of KOMPSAT Capacity & Capability Best Choice for Large Area Mapping Large daily collection capability KOMPSAT-2 KOMPSAT-3 KOMPSAT-5 KOMPSAT-3A Total Coverage(km 2 ) 1,700, ,000 Up to 1,000, ,000 Up to 3,240,000 KOMPSAT-2 Higher duty cycle 7900 km strip in 1 imaging KOMPSAT-3 Higher imaging chance to VHR users More than 40 imaging in a month Imaging over one month (11 Oct. ~ 10 Nov.) 20

19 Search for satellites over Oslo 21 Preview is nice

20 Benefits of KOMPSAT Unique combination of VHR EO & SAR Combination of VHR EO & SAR Integrated solution for optical and radar Unique combination for imaging time (10:50, 13:30, 06:00/18:00) Sole VHR sensor with multispectral in the afternoon Increase visibility of specific target (cloud cover changes) Change detection even within a day is possible 06:00 KOMPSAT- 5 COSMO-SkyMed TerraSAR-X 13:30 KOMPSAT-3 KOMPSAT-3A EROS-B (Mono) 11:00 KOMPSAT-2 WorldView-1/2/3 Pleiades 18:00 KOMPSAT-5 COSMO-SkyMed TerraSAR-X 23

21 Benefits of KOMPSAT Unique combination of VHR EO & SAR All weather imaging SAR Valuable for disaster monitoring (ex. Volcano Popocatépetl, Mexico) KOMPSAT-3 (19 April, 2016) KOMPSAT-5 (21 April, 2016) 24

22 Benefits of KOMPSAT Unique combination of VHR EO & SAR Optic & SAR imagery Different features Tokyo Big Egg, Google image and KOMPSAT-5 image taken on May 11st,

23 Benefits of KOMPSAT The best for spectral analysis Highest Quantization Highest bits per pixel among the commercial imagery 14 bits per pixel Better performance for spectral analysis 26

24 Benefits of KOMPSAT The best for spectral analysis More Information from Bathymetry 11 bits [2048] vs. 14 bits [16384] Courtesy of 27

25 Benefits of KOMPSAT The best for spectral analysis Better Correlation with Stereo KOMPSAT-3 DEM LiDAR Courtesy of 28

26 KOMPSAT Applications Natural Resource Management Strength Wide area imaging High resolution for precision agriculture and forest mapping High revisit for short imaging window Highest quantization for spectral analysis Hugh archive / data continuity Application Agriculture Monitoring Forest mapping Land cover mapping / change detection 32

27 KOMPSAT Applications Ortho-Mosaic 12 scenes over Ottawa, Canada Accuracy of ~0.8m over 2,800sqkm Courtesy of 39

28 KOMPSAT Applications Change Detection KOMPSAT-5 Analysis by K5_ _ K5_ _ Change detection (CCDINTEN) 15x15 40

29 KOMPSAT Applications Maritime Monitoring Strength Integrated Optic & SAR solution Day & night, all weather imaging High revisit rate / unique imaging time combination Application Bathymetry Ship detection and tracking Oil spill monitoring 41

30 ES Mode : 2.5 m resolution Acquired :

31 Using KOMPSAT imagery KOMPSAT helps you achieve success in many global projects National Forest Inventory Copernicus Data Warehouse Airport Monitoring One Map (Mapping) Direct Receiving System Power & Transmission line construction Bhuvan (Mapping) New Port Project 45 Telecom (LBS)

32 See Better with 50 cm Increased pixel number 70 cm 70 cm x1.4 (samples) x 1.4 (lines) 50 cm 50 cm 50 cm Sydney, Australia x1.96 BEFORE PAN Sharpened (70cm) AFTER PAN Sharpened (50cm) 47

33 See Better with 50 cm Copenhagen, Denmark PAN Sharpened (50cm) ZOOM PAN Sharpened (50cm) ZOOM PAN Sharpened (70cm) 48

34 New : KOMPSAT -3A Mission objectives Data continuation after KOMPSAT-3 Provision of the high-resolution EO (Electro-Optical) images Provision of IR (Infrared) images Bus Identical with KOMPSAT-3 Payload: AEISS-A Identical with KOMPSAT-3 for visible bands Additional IR band Orbit 528 km altitude Better GSD than KOMPSAT-3 52

35 The First Image Pan-sharpened Pan-sharpened KOMPSAT-3, Japan KOMPSAT-3A, Japan

36 56 56

37 57 57

38 Benefit of KOMPSAT-3A Same benefits with KOMPSAT-3 Afternoon imaging Increases imaging chances Highest quantization Good for spectral analysis (classification, DEM, bathymetry, etc.) 58

39 Benefit of KOMPSAT-3A Target Revisit : Oslo During 28 days, +/- 30 degree tilt 21 days of imaging chance, 1.3 days on average 8 days for both K3 and K3A imaging SUN MON TUES WED THURS FRI SAT K3 K3 K3, K3A K3, K3A K3A K3, K3A K3 K3 K3 K3A K3, K3A K3, K3A K3A K3 K3 K K3, K3A K3A K3, K3A K3, K3A K3 60

40 Synergy with KOMPSAT-3 and 3A KOMPSAT-3A Fast Coverage KOMPSAT-3 Seamless Data Best for Spectral Analysis 50 cm / 40 cm resolution Same Sensor Same Local Time 14 bits/pixel 61

41 Summary of KOMPSAT Products Type Name Resolution Swath KOMPSAT-2 1m 15km Optical KOMPSAT-3 0.5m 16km KOMPSAT-3A 0.4m 13km 1m (Ultra High Resolution) 3km SAR KOMPSAT m (Enhanced High Resolution) 2.5m (Enhanced Strip) 2.7km 30km 5m (20m) (Enhanced Wide Swath) 100km 62

42 Thank You 63 63