On Sat, Oct 17, 2015 at 3:58 PM Michael Koch <astroelectro...@t-online.de> wrote:
> > That looks like the job for the filter, see inflate, deflate, erosion > and dilation filters. > > I just tested the dilation filter. It's a nice workaround if the > downscaling factor is 3:1, as in my example. But if the downscaling > factor is smaller, for example from 5472x3648 to 900x600, which is 6:1, > then it fails. The star would be visible in 50% of the frames and > invisible in the other 50%. What I need is a scaling algorithm which > automatically chooses the brightest pixel out of the corresponding > pixels from the input file. If the downscaling factor is 6:1, then the > neighborhood is 6x6 pixels. > See new morpho filter, that gonna be in master soon. It is much faster than current filters and allow custom definition of structure/mask (rectangle/circle/etc) by using 2nd stream. > > Michael > _______________________________________________ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > http://ffmpeg.org/mailman/listinfo/ffmpeg-user > _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
