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Unable to find the location of the pixel with the minimum gray level

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Warid Islam
Warid Islam 2021 年 7 月 28 日
コメント済み: Warid Islam 2021 年 7 月 29 日
I want to find the location of the pixel in the image which has the minimum gray level. I tried the code below. But it gives me the coordinates of more than one pixel. What I need is to find the location of one pixel that has the minimum gray level. Any suggestion would be appreciated.
I=imread('FP00000f002b04u_01.png')
minValue = min(I(:))
[row, column] = find(I == minValue);

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Yongjian Feng
Yongjian Feng 2021 年 7 月 28 日
A quick guess. Maybe there are more than one minimum? Then you need to decide. Maybe anyone is good enough?
  3 件のコメント
DGM
DGM 2021 年 7 月 29 日
If any one minimal point is sufficient, then how about the first?
[row, column] = find(I == minValue,1,'first');
I'm not really sure how you intend to use it, but that's one way.
Warid Islam
Warid Islam 2021 年 7 月 29 日
Hi @DGM,
That helps. Thank you.

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