multiplying an image by (-1)

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As Bdg
As Bdg il 6 Apr 2017
Modificato: As Bdg il 6 Apr 2017
what's the result of multiplying an image by (-1) on matlab ?
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Stephen23
Stephen23 il 6 Apr 2017
It depends on the data type. What data type is your image?

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Guillaume
Guillaume il 6 Apr 2017
Modificato: Guillaume il 6 Apr 2017
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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