From: Antonio Ospite <ao2@ao2.it>
Date: Sat, 10 Oct 2020 17:08:57 +0000 (+0200)
Subject: Makefile: add a target for an "accumulate" effect
X-Git-Url: https://git.ao2.it/experiments/opencv_trail_effect.git/commitdiff_plain/f8ca8a0d90f171f64cc1d430148c9e8429e61dcb?hp=f8ca8a0d90f171f64cc1d430148c9e8429e61dcb

Makefile: add a target for an "accumulate" effect

Add a Makefile target for an "accumulate" effect based on threshold, it
can be handy for light painting with LEDs.
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