Ten lectures on wavelets
The lifting scheme: a construction of second generation wavelets
SIAM Journal on Mathematical Analysis
A multiresolution watermark for digital images
ICIP '97 Proceedings of the 1997 International Conference on Image Processing (ICIP '97) 3-Volume Set-Volume 1 - Volume 1
Watermarking applications and their properties
ITCC '00 Proceedings of the The International Conference on Information Technology: Coding and Computing (ITCC'00)
Wavelet Packet Based Digital Watermarking
ICPR '00 Proceedings of the International Conference on Pattern Recognition - Volume 3
Multipurpose watermarking for image authentication and protection
IEEE Transactions on Image Processing
AUTOMATIC OBJECT IDENTIFICATION USING VISUAL LOW LEVEL FEATURE EXTRACTION AND ONTOLOGICAL KNOWLEDGE
Journal of Integrated Design & Process Science
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As the use of digital media becomes ever more widespread, the data distribution process is becoming faster and easier, while requiring less effort to make exact copies. One of the major challenges for intellectual property protection of digital media is to discourage unauthorized copying and distribution. Digital watermarking has been proposed as a way to claim the ownership of the source and owner. To achieve maximum protection, the watermark should be perceptually invisible, statically undetectable, resistant to lossy data compression, and resistant to common image processing operations. Besides perceptual invisibility, private control of the watermark is also very important. In this paper, a private key-dependent, wavelet-based lifting scheme is proposed to improve the security of the image authentication algorithm. Experimental results show that the embedded watermark is robust against various signal processing and compression attacks.