All, http://en.wikipedia.org/wiki/False-color According to wikipedia, this is called pseudo-color(ing)... Any idea on how to implement this? Regards, -- E On Mon, 2009-07-13 at 11:49 -0700, Emmanuel Mayssat wrote: > Hello, > > I am using mplayer with a rtsp stream (Axis server a243q) > My cameras/video streams are black and white. > > What I am interested in is the pixel intensity. > (darker = lower intensity, whiter = high intensity) > but the shading of grey are difficult to perceive on a display by > operators. A technique we commonly use is color filtering or false > colors. > > Let me illustrate. > I am interested in using the color gamut instead of a shading of grey. > If I have 8 bits pixel depth, I want > Black mapped to back > Blue (shade of blue) mapped to bit depth range 10-45 > Green ... > Yellow mapped to depth range 90-130 > Red.... range 225 to 255 > > I don't care so much about the range of the color shading. > I just care about having false colors > > > How can I do that? > Do I have to write my own filter? > If so any clues on how to do that? (sample program?) > ... and of course have it work very be fast? > > I went through the man page looked at "equation" (eq2) > Is this what I need? It is reported as being slow, but how slow? > How do I build a lookup table? > > > Regards, > -- > Emmanuel Mayssat > > _______________________________________________ > MPlayer-users mailing list > MPlayer-users@xxxxxxxxxxxx > https://lists.mplayerhq.hu/mailman/listinfo/mplayer-users _______________________________________________ MPlayer-users mailing list MPlayer-users@xxxxxxxxxxxx https://lists.mplayerhq.hu/mailman/listinfo/mplayer-users
