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eee508_lect1

# eee508_lect1 - EEE 508 Digital Image Processing and...

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EEE 508 - Digital Image Processing and Compression http://lina faculty asu edu/eee508/ http://lina.faculty.asu.edu/eee508/ Introduction P f Li K Prof. Lina Karam School of Electrical, Computer, & Energy Engineering Arizona State University [email protected] Powerpoint formatting in part by Dr. Zoran Ivanovski Copyright 2004-2012 by Prof. Lina Karam 1# EEE 508 - Lecture 1 1

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What is image processing? CAMERA Analog Image x ( n 1 , n 2 ) x ( t 1 , t 2 ) DIGITIZER STORAGE PROCESS Sampling + Quantization ( t t ) ANALOG SIGNAL Display Perform analysis Reconstruct x ( t 1 , t 2 ) x t 1 , t 2 ) : x : real value ( t 1 , t 2 ) : pair of real continuous space (time) variables x ( n 1 , n 2 ) : DISCRETE SIGNAL (DIGITAL) x : discrete (quantized) real or integer value ( n 1 n 2 ) : pair of integer indices Copyright 2004-2012 by Prof. Lina Karam 2# EEE 508 - Lecture 1 2 ,
Examples Sampled Black & White Photograph: x ( n 1 , n 2 ) x ( n 1 , n 2 ) scalar indicating piel intensity at location ( n 1 , n 2 ) For example: x = 0 Black x = 1 White 0 < x < 1 In-between Sampled color video/TV signal x ( n n n ) R 1 , 2 , 3 ) x G ( n 1

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eee508_lect1 - EEE 508 Digital Image Processing and...

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