how to detect computer vision blob of pixels within specific color range, using Matlab? -

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what matlab computer vision functions detect, in single video frame, blob (mostly) of pixels within specific color range?

i want detect stationary objects, , looking non-movement function can detect blobs each frame.

for example, if want detect red object, apple of specific color, sitting on table.

i'm trying vision.blobanalysis() i'm not sure if works moving blobs. matlab not clear on this.


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