SSIM index... That one is for the subjective image quality estimation. Not sure what does that have to do with the motion estimation. Besides, that might be more computationally intensive than the codec itself. How is about (p)redicted frame/ key frame size ratio ?
On Wed, Mar 25, 2009 at 10:02 AM, LRN <[email protected]> wrote: > Victor lyamtsev wrote: >> Hi All, >> Is there existing metrics quantifying amount of motion in video scene? >> Thanks, >> -V > There is a filter in ffdshow (and, presumably, somewhere in ffmpeg) that > shows motion vectors. A summ of these vectors' length could be a metric > value. > Also, you could try to calculate SSIM index for two consecutive frames > and use the index value (it will show you the difference between two > frames, which usually means motion, except for scene changes maybe...). > _______________________________________________ > libav-user mailing list > [email protected] > https://lists.mplayerhq.hu/mailman/listinfo/libav-user > _______________________________________________ libav-user mailing list [email protected] https://lists.mplayerhq.hu/mailman/listinfo/libav-user
