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Perceptual image hashing maps an image to a fixed length binary string based on the image's appearance to the human eye, and has applications in content authentication, watermarking and anti-piracy search. In this paper, we present a hash scheme that is robust and secure to non-malicious manipulation and sensitive to the malicious tampering. The algorithm is based on contourlet transform and singular...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.