Having trouble with Hue Shift and Desaturate

dilevin / computer-graphics-raster-images

Computer Graphics Assignment about Raster Images

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Closed BlackSpade741 closed 4 years ago

BlackSpade741 commented 4 years ago

I followed the formulas given in the Wikipedia page, but my images end up looking too green/too red, and I'm not sure what the problem is:

shifted:

desaturate:

songfeil commented 4 years ago

If both images are incorrect I suggest you look into your hsv/rgb conversion. The formulas on the wiki pages are correct.