How to detect Non Moving Blobs from a video?
Suppose I have a video and an original frame bitmap. Is it possible to detect a BLOB / object that DOES NOT MOVE? and draw a rectangle around this object?
It reminds me of the algorithm for detecting forgotten objects in the subway. If I'm not mistaken, do you want to detect objects that do not move and which were not in the initial background? You can apply this approach:
With an original image like this (could not find a truly empty image in the subway):
And the image with the added static object (waste can), the metro moving and the person waiting, probably moves a little:
> ThresholdDifference (http://www.aforgenet.com/framework/docs/html/322123cf-39df-0ae8-6434-29cceb6a54e1.htm) - :
, , . , 10 , > (http://www.aforgenet.com/framework/docs/html/7244211d-e882-09b1-965d-f820375af8be.htm), - :
Image > Connected Component Labeling (http://www.aforgenet.com/framework/docs/html/240525ea-c114-8b0a-f294-508aae3e95eb.htm)
:
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