how to plot in red colour on image

조회 수: 3 (최근 30일)
mohd
mohd 2012년 4월 19일
hi.. i have coordinate (x y)on image. i want to plot to red color on that image. how to do this. thanks

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Image Analyst
Image Analyst 2012년 4월 19일
Maybe you mean
plot(columnX, rowY, 'r+', 'MarkerSize', 30, 'LineWidth', 3);
If not, describe what you mean by "plot to red".
  댓글 수: 1
mohd
mohd 2012년 4월 19일
yes.. many thanks :-)

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추가 답변 (1개)

Geoff
Geoff 2012년 4월 19일
You mean you want to change the pixel at x,y to red?
img(y,x,:) = [255 0 0]

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