NAME
sketch - sketch images
SYNOPSIS
sketch [ -p ] [ -i iter ] [ -l len ] [ -s sec ] file ...
DESCRIPTION
Sketch uses lines of random length, orientation and
color to approximate input images. The line colors are
randomly selected from a palette of all the colors in
the input image.
If no arguments are given, sketch will process
incrementing input filenames, starting with
input001.png. This number can be changed using the
-1 option.
OPTIONS
-1 num
offset of first frame (default 1)
-P parallelize (slower on short lines)
-i iter
number of iterations (-1 for infinite) (default
5000000)
-l len
line length limit (default 40)
-n frames
number of input frames to sketch
-p remove duplicate colors from palette
-s sec
interval between incremental saves, in seconds
(default -1)
-t sec
statistics reporting interval, in seconds
(default 1)
EXAMPLES
ffmpeg -i input.webm input%03d.png
sketch input*.png
ffmpeg -i frame%03d.png -c:v vp8 output.webm
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procedural art by brute force
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