define double(img(:,:,1))

2012 3 20
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Wayne King
Wayne King 2012-3-20

0 个投票

That code is casting the first "page" of img (a 3D array) to type double.
So perhaps img is uint8 to begin with (or something like that)
img = uint8(ones(256,256,3));
xy = double(img(:,:,1));
class(img)
class(xy)

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vysakh
vysakh
2012-3-20

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