Legacy ImageMagick Discussions Archive

Nope. convert gray.jpg color.jpg +append out.jpg Still results in 8-bit jpeg. There's no bug if output set to png, bmp or tif, I even tried archaic pcx. For some reason only JPEG output is bugged. Try this (I only changed output format in your example) and it will bug out. convert \( rose ...

Hello. I will bump this thread to report this bug still exist (partially at least) in IM 6.9.5 Edit: not sure if it's same bug, but looks similar to me. I want to merge 24-bit color "color.jpg" and 8-bit grayscale "gray.jpg" into single image. When I do convert +append color.jpg gray.jpg out.jpg ...

Unfortunately I use Photoshop Elements that doesn't work in 16-bit/chanel mode so I can't test it. But if it looks like rounding error that's good

Thank you very much for your quick help.

To summarise: 1. When you convert jpeg to png using IM, then IM says they are identical but PS doesn't. 2. When you convert jpeg to png using PS, then PS says they are identical but IM doesn't. Correct? Yes, exactly. Post your 3 or 4 input image and we can test. Also provide your IM version and ...

Hello. I'm a bit confused by results produced by "compare" tool. I used random jpeg image (doesn't actualy matter which one, I tested few and all of them produce same results). I named it original.jpg. Then I converted it to png using photoshop (ps-conv.png) and "convert original.jpg im-conv.png ...