create image from video, 'smearing' changed pixels
usage: vsmear [-h] [-t THRESHOLD] [-o OUTPUT] [-m] files [files ...]
create image from video, 'smearing' change of pixels
positional arguments:
files files to process
options:
-h, --help show this help message and exit
-t THRESHOLD, --threshold THRESHOLD
threshold for detecting change in color channel
[def=50.0]
-o OUTPUT, --output OUTPUT
output directory to write files to
-m, --max-change use the pixel with the maximum amount of difference
from first frame