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multiplying an image by (-1)

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As Bdg
As Bdg 2017-4-6
编辑： As Bdg 2017-4-6
what's the result of multiplying an image by (-1) on matlab ?

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Guillaume
Guillaume 2017-4-6
编辑：Guillaume 2017-4-6
It would have taken the whole of 2 seconds for you to try it on the command line. Why didn't you?
The result is either 0 (for unsigned image types) or -yourimage (otherwise), depending on its type . Same as would happen with multiplying any number/matrix by -1.

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