Making some intensity values of image to zero

 采纳的回答

if your image is 'a', try
a(a>threshold)=0;
or try
max(a,threshold);
which makes the values equal to your threshold. maybe it is useful

1 个评论

The reverse, values less than the threshold are the ones to be set to 0 apparently.

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更多回答(1 个)

... Assign 0 to those matrix locations ?
Is there more to this question, such as automatically determining which pixels have "unwanted pixel intensity values" ?

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Yeah,I'm planning to give some threshold like pixel intensity values less than 30 should be equal to zero in the image.

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