(Lets see if my mail gets through this time...) I'm using the mjpegtools to convert DV to DVD, generally using the chain lav2yuv->mpeg2enc directly for low-noise (bright) scenes and lav2yuv->yuvdenoise->mpeg2enc for noisier scenes (low light). I also use it to convert VHS to DVD via (lav2yuv->yuvscaler->yuvdenoise->yuvmedianfilter->mpeg2enc). I can't help noticing that yuvdenoise, and to a lesser extent yuvmedianfilter, give their output a distinct greenish tint. You can do a direct comparison like this:
lav2yuv myDV.avi | tee >(yuvplay) | yuvdenoise | yuvplay which plays both denoised and non-denoised versions at once. I wind up doing something like "yuvcorrect -R G_1.0_0_255_0_245" to try to fix the color. I had thought this was related to the pixel layout of my DV camera, since the noise is mostly red and blue, but I get the same green tint if I use a commercial DVD as my movie source instead. So, what's the deal? Is this an actual error in yuvdenoise/medianfilter, or an expected artifact from denoising the color info? Am I the only one who sees this? I see it both in 1.6.x and in CVS. -- Dan Scholnik [EMAIL PROTECTED] ------------------------------------------------------- This SF.NET email is sponsored by: SourceForge Enterprise Edition + IBM + LinuxWorld = Something 2 See! http://www.vasoftware.com _______________________________________________ Mjpeg-users mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/mjpeg-users
