How do I obtain the background image during foreground detection?

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Nathan Yonkee 2021-6-14

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https://ww2.mathworks.cn/matlabcentral/answers/855945-how-do-i-obtain-the-background-image-during-foreground-detection

回答： Sailesh Kalyanapu 2021-6-15

I am using the vision.ForegroundDetector to produce a foreground mask. However, I would also like to have the background image as integer/floating point values to use as well. Is there a way to obtain the background image in addition to the boolean mask?

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Answer 1

Sailesh Kalyanapu 2021-6-15

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Hi,

Given, the background image pixels are represented as zeroes in the output of vision.ForegroundDetector, you can get the RGB or grayscale intensities corresponding to the background from a given image frame loaded in MATLAB. You can refer this as a hint on how to do that.