Return value of rgb2gray

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Nathan Bahr
Nathan Bahr 2015-6-17
评论： Nathan Bahr 2015-6-17
Hi,
For a given image, does rgb2gray return a mxnx3 matrix or mxn when it eliminates hue and saturation? The documentation is not clear on this.
Thanks

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Ashish Uthama
Ashish Uthama 2015-6-17
It returns an MxN numeric array.

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