a method for identifying the orientation of an interesting object in a digital medical image comprises steps of creating a rectangular interesting image mask that covers the interesting object , based on the original digital medical image ; generating a rough image based on the interesting image mask , the rough image coarsely describing the interesting object ; and identifying the orientation of the interesting object based on the rough image . a method for segmenting interesting objects in digital medical images may also comprise steps of creating a rectangular interesting image mask that covers said interesting object , based on an original digital medical image ; generating a rough image based on the interesting image mask , the rough image coarsely describing the interesting object ; and performing a post - process on the rough image .