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How to remove unwanted objects of smaller than a certain threshold area from a grayscale image?

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Richa Nayak
Richa Nayak 2013-3-12
My algorithm is as follows :- - convert entire image to binary form - remove the objects of the area smaller than required. My problem is to how to work on the object of larger area in its gray scale form. Please suggest any other method if better

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Walter Roberson
Walter Roberson 2013-3-12
See bwareaopen() but notice that it works on black and white images. So you could convert your grayscale to B&W, run the area open, then use the resulting B&W image as a mask on your grayscale.

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