I tried with bttvgrab, and i use motion but both results are very bad, if ca can read a Car´s Number on my analog video screen very cleary the same image on my pc this Number is completly unreadable. I will test it with tvtime now. Thnx M.Schenkelberg > martin_s@xxxxxxx (martin_s@xxxxxxx): > > > I want to build a videosurveilance system with linux. I wondered why > > the resulting images are so bad. > > > > I use high res pal cams with 752x582 pixels but the captured image is > > very bad. it looks like a streched image of about 340x200. > > > > I found out that bttv delivers only the even frames of the pal signal. > > > > Can i change this to get a full quality picture ? > > How are you capturing and displaying the images? The bttv driver will > give you the full quality of the original signal. > > One thing you can do is test with my 'tvtime' application. It has > many modes to allow you to set it up for viewing your content optimally. > For example, if your camera provides progressive frames, bottom or top > field first, you can set up tvtime to view them as such. See: > > http://tvtime.sourceforge.net/ > > -Billy > > > > -- > video4linux-list mailing list > Unsubscribe mailto:video4linux-list-request@xxxxxxxxxx?subject=unsubscribe > https://listman.redhat.com/mailman/listinfo/video4linux-list >
