[FFmpeg-devel] additive frame change detection algorithm
michael at niedermayer.cc
Wed May 11 18:01:18 CEST 2016
On Wed, May 11, 2016 at 10:51:32AM -0500, Dave Hess wrote:
> >you need something that gives more weight to large localized changes
> Yes, good point. How about additional parameters to the function that
> specify a grid pattern and if any individual section in that grid meets the
> threshold, then it returns true? It could even have another parameter to
> set the number of changed sections required before the whole frame is
> considered changed.
> frame_change(ref_frame, threshold, grid_rows, grid_columns,
i would use squares and only one paremeter than grid_rows, grid_columns
> And maybe even more parameters to disregard certain sections (or rows or
> columns) from being analyzed altogether (if an icon in the system tray or
> task bar starts flashing, etc.). Might be difficult to implement that. I'd
> need to think about that more.
> ffmpeg-devel mailing list
> ffmpeg-devel at ffmpeg.org
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