Since*
2.7
Find a rectangular object
It accepts the following options:
- object
-
Filepath of the object image, needs to be in gray8.
- threshold
-
Detection threshold, default is 0.5.
- mipmaps
-
Number of mipmaps, default is 3.
- xmin, ymin, xmax, ymax
-
Specifies the rectangle in which to search.
- discard
-
Discard frames where object is not detected. Default is disabled.
Examples
-
Cover a rectangular object by the supplied image of a given video using ffmpeg:
ffmpeg -i file.ts -vf find_rect=newref.pgm,cover_rect=cover.jpg:mode=cover new.mkv