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To find the lower array of black pixels of a word in an image

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sindhu c
sindhu c 2015-12-14
关闭： MATLAB Answer Bot 2021-8-20
I want the lower array of black pixels of this word.I know to count the black pixels but how to get the lower array? Please help me. Thank you

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Walter Roberson
Walter Roberson 2015-12-14
hprof = ~all(YourImage,2);
first_row_with_black = find(hprof, 1, 'first');
last_row_with_black = find(hprof, 1, 'last');
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Walter Roberson
Walter Roberson 2015-12-14
Change to
hprof = ~all(YourImage,2);
first_row_with_black = find(hprof, 1, 'first')
last_row_with_black = find(hprof, 1, 'last')

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