HOW TO CONVERT GRAY IMAGE TO HUE IMAGE?
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tashu Dabariya
on 13 Jun 2019
Commented: Image Analyst
on 15 Jun 2019
i am trying to find psnr value of hue image and gray image
i need to know how to convert gray image to hue
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Image Analyst
on 14 Jun 2019
The code you gave is irrelevant. It will produce bogus results. To compare colors you need to use Delta E. Plus, it's meaningless to compare the hue channel of a color image to a binary image. You need to describe what you want better so I know how to answer you. I do color image analysis every day (for decades), so I might know a little about it.
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Image Analyst
on 15 Jun 2019
None of what you said about PSNR makes sense.
To find accuracy of identification, you might use your binary image of what your algorithm found for "green" and compare it to what you hand drew with imfreehand(). Then use the Sorensen Dice coefficient (see Wikipedia).
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