Fragile watermarking and unkeyed hash function implementation for image authentication on CNN-UM
Proceedings of the 2002 7th IEEE International Workshop on Cellular Neural Networks and Their Applications - Trang 399-406
Tóm tắt
Image authentication and integrity have become an important issue for multimedia applications since digital images may be easily modified and perfectly reproduced. This paper addresses the protection of image authentication and integrity on CNN-UM. Watermarking and cryptographic hash functions are techniques used for this protection. We propose two methods using each technique, spatial domain fragile watermarking and a novel unkeyed hash function named Cellhash2D.
Từ khóa
#Watermarking #Cryptography #Cellular neural networks #Digital images #Protection #Security #Cameras #Robustness #Message authentication #ProductionTài liệu tham khảo
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