Background Subtraction using OpenCV

Question

I'm using this package which works quite well for face detection, tracking. https://github.com/EnoxSoftware/OpenCVForUnity

However, the OpenCV feature I am MOST interested in is background subtraction. ie achieving green screen like effects without green screen. So that someone walking in front of a static background would be masked out from the background.

I emailed the developer and he replied saying it is supported http://enoxsoftware.github.io/OpenCVForUnity/doc/html/class_open_c_v_for_unity_1_1_background_subtractor.html

but there are no actual demos to get it working.:(

Can any C# gurus help?

Answer 1

Answer by zohaibzaidi · Jul 03, 2019 at 06:34 AM

Came across this. Not sure but the Opencv package that I have for unity3d it has an example scene by the name of GreenScreenExample.

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Answer 2

Answer by wuy420 · Apr 07, 2021 at 08:22 PM

Hey I am also looking for background subtraction solutions. I tried the BackgroundSubtraction demo in OpenCV but the result is awful. It removes my face after a while if I don't move. I asked their technical support and they suggest me to look at the greenscreen example. But again, it is still awful. Is there any way to improve greenscreen example or any other solution about background subtraction?

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Background Subtraction using OpenCV

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