Search found 2 matches

by carlb
2015-10-06T10:33:55-07:00
Forum: Users
Topic: ImageMagick produces different results compared to GPUimage
Replies: 7
Views: 4618

Re: [Colorchannels] ImageMagick produces wrong results

Which GPU filter are you using? From the page you linked, https://github.com/BradLarson/GPUImage : GPUImageToneCurveFilter: Adjusts the colors of an image based on spline curves for each color channel. So the output will be created by joining together a number of spline curves. By contrast, the im ...
by carlb
2015-10-06T09:04:21-07:00
Forum: Users
Topic: ImageMagick produces different results compared to GPUimage
Replies: 7
Views: 4618

ImageMagick produces different results compared to GPUimage

I'm currently using GPUimage to change the color(RGB) channels of images to produce "filter like" effects. The values I use for GPUImage are the X,Y values of the points of the color curve tool in photoshop. So for example I might have these points: Photoshop curve tool. Please note that the image ...