First of all, I think this discussion is beginning to turn off-topic. Maybe we should keep it in private. On Thu, 2001-11-15 at 17:16, Michael Zayats wrote: > > Google search: LM1881 ;-) > > > > http://www.national.com/pf/LM/LM1881.html > > > > > > > Yes. it does. However, info from LM1881 has turned out to be fully > > reliable for us. > > > my problem is that the hardware is "given", we can change it in production > lines, but it will take pretty much time and we cannot allow so much time :( > > can you send me you SW algorithm, may be I will adjust it for our specific > needs... I am afraid I cannot. It belongs to a Windows app and I do not have access to their version control. Anyway, it is quite simple: just check for black pixels (I think it is 0xFFFFFF colour values) during half the first image line. If [almost] all samples are black, then it is an odd field. Sorry for the lacking help! Hope this helps, feel free to email as much as you like. Sharing experiences is quite interesting. Miguel
