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(a) An image with 8 gray levels is shown in the following figure. Hand calculates histogram equalization to the image. Show how you compute the mappings and the histogram equalized image. 1 01 2 0 1 1 1 5 5 4 5 4 4 5 4 5 5 5 0 1 5 6 1 5 1

(a) An image with 8 gray levels is shown in the following figure. Hand calculates histogram equalization to the image. Show how you compute the mappings and the histogram equalized image. 1 01 2 0 1 1 1 5 5 4 5 4 4 5 4 5 5 5 0 1 5 6 1 5 1

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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(a) An image with 8 gray levels is shown in the following figure. Hand calculates histogram equalization to the image. Show how you compute the mappings and the histogram equalized image. [2 0 1 1 01 155 5 1 4 5 4 4 5 4 5 5 5 7 Lo 1 5 6 1- (b) Hand calculates the Sobel edge detection on the image below. Step: (1) apply X operator (convolution) to obtain GX, (2) apply Y operator to obtain GY, (3) combine GX and GY using the "sum of absolute values" to obtain G. Show your GX, GY and G. 0 0 0 0 100 0 100 0 0 0 0 0 0 100 100 100 100 0 0 100 100 100 Image: 0 0 100 100 100 100 100 100 0 0 0 0 100 0 0 100 100 100 100 0 0 0 0 Lo 0 -1 0 11 0 2 -1 0 11 -2 X operator: -2 Y operator: 1 1
Transcribed Image Text:(a) An image with 8 gray levels is shown in the following figure. Hand calculates histogram equalization to the image. Show how you compute the mappings and the histogram equalized image. [2 0 1 1 01 155 5 1 4 5 4 4 5 4 5 5 5 7 Lo 1 5 6 1- (b) Hand calculates the Sobel edge detection on the image below. Step: (1) apply X operator (convolution) to obtain GX, (2) apply Y operator to obtain GY, (3) combine GX and GY using the "sum of absolute values" to obtain G. Show your GX, GY and G. 0 0 0 0 100 0 100 0 0 0 0 0 0 100 100 100 100 0 0 100 100 100 Image: 0 0 100 100 100 100 100 100 0 0 0 0 100 0 0 100 100 100 100 0 0 0 0 Lo 0 -1 0 11 0 2 -1 0 11 -2 X operator: -2 Y operator: 1 1
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