Can anybody tell me how to apply cover up attack in matlab?

Actually i want to do tamper detection and for that i want to tamper the image by cover up attack.But i am very confused how to do it? please guide me.

Answer 1

[Image Analyst]

See section 23.3: http://iris.usc.edu/Vision-Notes/bibliography/contentschar.html#OCR,%20Document%20Analysis%20and%20Character%20Recognition%20Systems. Once you pick an algorithm , we can help with the MATLAB code if you have errors or questions on program flow.