i want to make a filter that will eliminate pixel value less than 200 and then add the values of all pixel greater than 200
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clc
clear all
I = imread('saif1.jpg');
J = rgb2gray(I);
figure, imshow(I), figure, imshow(J);
6 Commenti
Geoff Hayes
il 27 Ago 2020
Prashant - eliminate how? Set any pixel value that is not 255 to be zero?
Image Analyst
il 28 Ago 2020
You can change a pixel value in an image to some other value, but you cannot eliminate the pixel because matrices must remain rectangular, not have ragged edges like if you eliminate the pixel and shift all other pixels in the line or column over.
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Image Analyst
il 29 Gen 2020
Try
mask = J > 200; % Map of where the image is 201 or greater.
theSum = sum(J(mask))
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