Binarize image with threshold

2013 9 9
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Hi,
Using Mathematica I was able to binarize a image with the following command
a1=Binarize[a,0.7]
Does anyone know how i would apply the same threshold of 0.7 using Matlab?
Thanks in advance,
Syed

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Image Analyst
Image Analyst 2013-9-9

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You can use graythresh() and bwthresh() which use 0-1, but I think it's simpler to just do
binaryImage = grayImage < grayLevelThreshold;
where grayLevelThreshold is just the regular threshold (0-255 or 0-65535) rather than anormalized number in the range 0-1.

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