Tác giả: Subhamoy Maitra, Dipti Prasad Mukherjee
Nguồn trích: Progress in cryptology-INDOCRYPT 2001-LNCS 22418.7
Năm xuất bản: 1905
Số trang: 149
Tóm tắt: This paper presents watermarkinsertion algorithm applied to spatial domain of an image. It is assumed that a possible forger knows the proposed watermarking technique. The retrieval of watermark is based on the principles of error correcting codes using secure image key and the original image. The scheme could identify a buyer specific signature from the image in the form of a unique buyer key assigned to every copy of the image being sold. The survival of the watermarkis demonstrated for a
Từ khóa: Buyer Key,Digital Watermarking
