Type problem with psnr

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Brian
Brian on 5 Jan 2015
Commented: Geoff Hayes on 6 Jan 2015
I'm using the command psnr on a reference image and a changed image, but I'm getting a class error. When I run the code, I get the error message that input type "double" isn't an input argument. So I tried im2uint8, but that's also an undefined argument. I have the image processing toolbox, so I'm not sure what the problem is.
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Geoff Hayes
Geoff Hayes on 6 Jan 2015
Brian - in the Command Window type
which -all psnr
to see which directory the psnr function can be found in. What do you see when you run this command?

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