how can i detect triangle
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how can i detect green colour triangle from pic
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Image Analyst
2016년 6월 12일
You can segment out that green triangle using either color or shape - your choice. I'm attaching demos for each. Feel free to adapt as needed.
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Image Analyst
2016년 6월 13일
Don't use for loops and simply vectorize it. Get rid of the size() and two for loops and simply have this:
% Extract the individual red, green, and blue color channels.
redChannel = rgbImage(:, :, 1);
greenChannel = rgbImage(:, :, 2);
blueChannel = rgbImage(:, :, 3);
% Get pixels that are greener than they are red or blue.
Triangle = greenChannel > redChannel & greenChannel > blueChannel;
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