How To Segment Femur From X-ray In OpenCV?

My goal is to segment the bone from an x-ray image, more specifically the femur bone. Input image 1: Expected output: Input image 2: Expected output: Input image 3: Expected O

Solution 1:

If you want reasonable results you will have to use a deep neural network (semantic segmentation task). But you will need classified data for it (images with segmentation masks).