MATLAB: Shifting a part of image (not rectangular shape)

digital image processingimageimage segmentationshift

I have an rectangular shape image. In which there is an inclined line (not vertical or horizontal) separating that image into 2 parts. I want to shift one part of the image down by a fixed amount of pixels. how can do that

Best Answer

The question is not clear. Are you pulling one part of the image "away" from the dividing line, or are you pushing it "into" the dividing line?
If you are pulling it "away" from the dividing line, then what should go in to the new space between the dividing line and the new location, and what should happen with the part of the image that would protrude beneath the old bottom of the image?
If you are pushing it "into" the dividing line, should the pixels that would go above the line just be discarded? And what should go in to the empty space left by moving the image?
Is the inclined line a straight line defined by a start and end point, or do its boundaries need to be found by examining the image to detect some distinctive property of the boundary?
Related Question