Error using entropy expected input number to be real.

The following error appears when applying an image enhancement code. The errors appears only with jpeg images. Could you please help me?Error using entropy expected input number to be real.

Answer 1

[Image Analyst]

Evidently your input is not real. If it's complex, use real() to get the real part. If it's an integer, like uint8, use double() to cast the integer variable to double.

[Mira mosad]

I appreciate your answer .

The input is unit8( image) so i used im2double() and still have the same problem ?

can you help ?

[Image Analyst]

I don't know. Maybe.

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