how to extract the breast region from a mammogram

i want to extract the breast region from the black background from a mammogram, can anyone help?

[Walter Roberson]

See also the many existing discussions of mammograms https://www.mathworks.com/matlabcentral/answers/?term=tag%3A%22mammogram%22

Answer 1

[Mudambi Srivatsa]

Refer to the following posts for extracting ROI from an image:

https://www.mathworks.com/matlabcentral/answers/48721-how-to-extract-the-region-of-interest
https://www.mathworks.com/matlabcentral/answers/319419-how-to-extract-image-region-within-boundary

Further, you can use the following code to extract ROI:

https://www.mathworks.com/matlabcentral/fileexchange/31859-region-of-interest-extraction-by-free-hand-method

This might also be helpful:

https://www.mathworks.com/matlabcentral/fileexchange/8031-image-segmentation---extraction