EECE253_01_Intro

EECE253_01_Intro - EECE/CS 253 Image Processing Richard...

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Unformatted text preview: EECE/CS 253 Image Processing Richard Alan Peters II Department of Electrical Engineering and Computer Science Fall Semester 2011 Lecture Notes: Introduction and Overview This work is licensed under the Creative Commons Attribution-Noncommercial 2.5 License. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc/2.5/ or send a letter to Creative Commons, 543 Howard Street, 5th Floor, San Francisco, California, 94105, USA. . . . Introduction and Overview This presentation is an overview of some of the ideas and techniques to be covered during the course. December 6, 2011 1999-2011 by Richard Alan Peters II 2 1. Image formation 2. Point processing and equalization 3. Color correction 4. The Fourier transform 5. Convolution 6. Image sampling, warping, and stitching 7. Spatial filtering 8. Noise reduction 9. Mathematical morphology 10. High dynamic range imaging 11. Image compression Topics Topics December 6, 2011 1999-2011 by Richard Alan Peters II 3 Wallace and Gromit Wallace Gromit likes cheese likes cheese reads Electronics for Dogs reads Electronics for Dogs http://www.aardman.com/wallaceandgromit/index.shtml Wallace and Gromit will be subjects of some of the imagery in this introduction. December 6, 2011 1999-2011 by Richard Alan Peters II 4 Image Formation Image Formation o b j e c t i m a g e p l a n e l e n s December 6, 2011 1999-2011 by Richard Alan Peters II 5 Image Formation Image Formation l i g h t s o u r c e December 6, 2011 1999-2011 by Richard Alan Peters II 6 Image Formation Image Formation projection through lens projection through lens image of object image of object December 6, 2011 1999-2011 by Richard Alan Peters II 7 Image Formation Image Formation projection onto discrete sensor array. projection onto discrete sensor array. digital camera digital camera December 6, 2011 1999-2011 by Richard Alan Peters II 8 Image Formation Image Formation sensors register average color. sensors register average color. sampled image sampled image December 6, 2011 1999-2011 by Richard Alan Peters II 9 Image Formation Image Formation continuous colors, discrete locations. continuous colors, discrete locations. discrete real- valued image discrete real- valued image December 6, 2011 1999-2011 by Richard Alan Peters II 10 Digital Image Formation: Quantization continuous color input discrete color output continuous colors mapped to a finite, discrete set of colors. continuous colors mapped to a finite, discrete set of colors. December 6, 2011 1999-2011 by Richard Alan Peters II 11 Sampling and Quantization pixel grid sampled real image quantized sampled & quantized December 6, 2011 1999-2011 by Richard Alan Peters II 12 Digital Image a grid of squares, each of which contains a single color a grid of squares, each of which contains a single color each square is called a pixel (for picture element ) each square is...
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EECE253_01_Intro - EECE/CS 253 Image Processing Richard...

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