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I have an image with grey backgound to which i want to apply watershed algorithm.

But as I am trying to threshold the grey scaled image, the background is also is being converted to white(binary+otsu thresholding).
I thought of applying the grabcut algorithm to my image first then apply watershed.

I have no idea how to implement this.
Any help in this regard would be appreciated?

EDIT: added the image

I have an image with grey backgound to which i want to apply watershed algorithm.

But as I am trying to threshold the grey scaled image, the background is also is being converted to white(binary+otsu thresholding).
I thought of applying the grabcut algorithm to my image first then apply watershed.

I have no idea how to implement this.
Any help in this regard would be appreciated?

EDIT: added the image

I have an image with grey backgound to which i want to apply watershed algorithm.

But as I am trying to threshold the grey scaled image, the background is also is being converted to white(binary+otsu thresholding).
I thought of applying the grabcut algorithm to my image first then apply watershed.

I have no idea how to implement this.
Any help in this regard would be appreciated?

I have an image with grey backgound to which i want to apply watershed algorithm.

But as I am trying to threshold the grey scaled image, the background is also is being converted to white(binary+otsu thresholding).
I thought of applying the grabcut algorithm to my image first then apply watershed.

I have no idea how to implement this.
Any help in this regard would be appreciated?