Administrivia. What we will learn

Transcription

1 Admiistrivia Timetable Lectures, Friday 14:00 16:00 Labs, Friday 17:00-18:00 Assessmet Exam (75%) Coursework (25%) Webpage ad resources 1 What we will lear Topics relate to the use of computer to Acquire/geerate Process/maipulate/store Model/aalyse/iterpret/recogise, ad Display Images 2 1

2 Three related sub-fields Image processig Computer visio Computer graphics 3 Maily study these topics The World Numerical represetatio of the brightess ad colors of the world scee 4 2

3 Maily study these topics Image acquisitio (low-level) digital represetatio of the world scees Image processig oise removal, smoothig, sharpeig, cotrast ehacemet, alter the appearace of a image Image compressio efficietly represet image data for storage (save disk space) ad commuicatio (save etwork badwidth) Display reder the image data o reproductio media (moitors, pritig papers) 5 Image acquisitio (low-level) digital represetatio of the world scees Numbers represet the brightess ad colors of the world objects, but we have o kowledge what object, e.g., books, moitors, these umbers cotai hece low-level 6 3

4 Image acquisitio (low-level) digital represetatio of the world scees What umbers? How may umbers? How large/small should the umbers be? 7 Image processig oise removal, smoothig, sharpeig, cotrast ehacemet, alter the appearace of a image Noise removal 8 4

5 Image processig oise removal, smoothig, sharpeig, cotrast ehacemet, alter the appearace of a image Sharpeig 9 Image processig oise removal, smoothig, sharpeig, cotrast ehacemet, alter the appearace of a image Blurrig/smoothig 10 5

6 Image processig oise removal, smoothig, sharpeig, cotrast ehacemet, alter the appearace of a image Cotrast ehacemet 11 Image processig oise removal, smoothig, sharpeig, cotrast ehacemet, alter the appearace of a image Alter appearace 12 6

7 Image compressio efficietly represet image data for storage (save disk space) ad commuicatio (save etwork badwidth) 245,760 bytes 69,632 bytes 5,951 bytes 13 Display reder the image data o reproductio media (moitors, pritig papers)

8 Display reder the image data o reproductio media (moitors, pritig papers) Computer Visio Maily study these topics The World Image represetatio High level kowledge of the scee, e.g., Object ID, Scee structure, Idoor/outdoor scee Colors of the illumiatio etc 16 8

9 Computer Visio Maily study these topics High level kowledge Image Model 17 Computer Visio Maily study these topics Buildig a mathematical model of the scee Iterpret the scee Acquire high level kowledge of the scee, e.g., idoor/outdoor, ma-made/ature Detect the presece of certai objects, e.g., faces, cars Recogize certai objects, e.g., perso idetificatio Ad other related topics 18 9

10 Computer Graphics Maily study these topics Model Image 19 Computer Graphics Maily study these topics Use computer (mathematical models) to create images of real world scees ad evets Lightig ad shadig modelig Object modelig Curves ad surface modelig Visibility modelig Texture sythesis Character aimatio Modelig terrai, liquids, fire/smoke, cloth, hair/fur, feathers, ski etc 20 10

11 More related subjects Artificial itelligece Patter recogitio Machie learig Robotics Visualizatio 21 I this course we will study Image formatio 22 11

12 I this course we will study Image processig theory ad practices Why this is possible? How? Theory Practice Ad much more 23 I this course we will study Image compressio Why this is possible How to do this Theory Practice 245,760 bytes 5,951 bytes 24 12

13 I this course we will study Edge detectio ad image segmetatio How? Theory Practice 25 May also iclude Itroductio to topics i computer visio, e.g

14 May also iclude Itroductio to topics i computer visio, e.g. 27 May also iclude Itroductio to topics i computer visio, e.g. Millios of images The Iteret Fid im ages similar to this oe Fid images with specific appearaces 28 14

15 May also iclude Itroductio to topics i computer visio, e.g. Scees shot at the same locatio withi a feature film/video 29 May also iclude Itroductio to topics i computer graphics, e.g

16 May also iclude Itroductio to cotemporary topics i the field ad discuss future directios, e.g. 31 May also iclude Itroductio to cotemporary topics i the field ad discuss future directios, e.g

17 May also iclude Itroductio to cotemporary topics i the field ad discuss future directios, e.g. 33 May also iclude Itroductio to cotemporary topics i the field ad discuss future directios, e.g., high dyamic rage imagig (HDRI) Covetioal (low-dyamic rage) images High dyamic rage image 34 17