opencv_trail_effect draws a trail after performing foreground segmentation
using OpenCV.
-Segmentation can done using either thresholding or background subtraction.
+Segmentation in opencv_trail_effect can done using either thresholding or
+background subtraction.
A few conditions are required to create a decent effect:
subtraction it is recommended to disable auto-gain in the camera, and
avoid any artifact introduced by the power line frequency);
3. the subject should enter the scene only after the background learning
- phase has finished, i.e. after opencv_trail_effect has showed the preview
+ phase has finished, i.e. after opencv_trail_effect has shown the preview
window.
$ ./opencv_trail_effect -l 10 -s background -d average -B
+Here is a video showing the examples from above:
+https://www.youtube.com/watch?v=X3oRozxt2O4
Side note
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