ios-gpuimage-plus
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ios look up table issue
I use look up table for filter image in ios objective c . but filter quality is very low . but in android device same look up table filter quality is good . how can i fix this . i provide code and screen shot please check . my code char* const rulesString = "@adjust lut 9.png"; cgeSetLoadImageCallback(loadImageCallback, loadImageOKCallback, nil); UIImage* image = cgeFilterUIImage_MultipleEffects([UIImage imageNamed:@"raw"], rulesString, 1.0f, nil); self.ivOutputImage.image = image;
raw image ,

lookup table

and expected image

but my output is

How did your expected image generated? I just tried the lut. The output is right.

I also try in your tools . its ok . but when i try to do this in ios then output quality lose .
I see. My lut function skipped the blue color mix, I will fix in one or two days.
thanks . if you fix please inform me . i think you know Open GL is deprecated in ios . will you convert it to Metal ?
@R3l0ad3d Sure, but it may take me some time.
I see. My lut function skipped the blue color mix, I will fix in one or two days.
Fixed. Please try again with the latest implementation.