| 0 | 1 Watermarking source | 
|  | 2 | 
|  | 3 version 0.4 | 
|  | 4 | 
|  | 5 | 
|  | 6 This package provides source code for some watermarking algorithms in | 
|  | 7 portable C code. Currently it includes the following | 
|  | 8 | 
|  | 9   watermarking algorithms | 
|  | 10 | 
|  | 11     Bruyndonckx [bruyn] | 
|  | 12       refer to | 
|  | 13         O. Bruyndonckx, Jean-Jacques Quisquater, and Benoit M. Macq. | 
|  | 14         Spatial method for copyright labeling of digital images. | 
|  | 15         In IEEE Workshop on Nonlinear Signal and Image Processing '95, | 
|  | 16         Thessaloniki, Greece, pages 456 - 459, 1995. | 
|  | 17 | 
|  | 18     Corvi | 
|  | 19       refer to | 
|  | 20         Marco Corvi and Gianluca Nicchiotti. | 
|  | 21         Wavelet-based image watermarking for copyright protection. | 
|  | 22         In Scandinavian Conference on Image Analysis SCIA '97, Lappeenranta, | 
|  | 23         Finland, June 1997. | 
|  | 24 | 
|  | 25     Cox | 
|  | 26       refer to | 
|  | 27         Ingemar J. Cox, Joe Kilian, Tom Leighton, and Talal G. Shamoon. | 
|  | 28         Secure spread spectrum watermarking for multimedia. | 
|  | 29         In Proceedings of the IEEE ICIP '97, | 
|  | 30         volume 6, pages 1673 - 1687, Santa Barbara, California, USA, 1997. | 
|  | 31 | 
|  | 32     Dugad | 
|  | 33       refer to | 
|  | 34         Rakesh Dugad, Krishna Ratakonda, and Narendra Ahuja. | 
|  | 35         A new wavelet-based scheme for watermarking images. In Proceedings of | 
|  | 36         the IEEE International Conference on Image Processing, ICIP '98, | 
|  | 37         Chicago, IL, USA, October 1998. | 
|  | 38 | 
|  | 39     Fridrich (2. scheme) | 
|  | 40       refer to | 
|  | 41         Jiri Fridrich. | 
|  | 42         Combining low-frequency and spread spectrum watermarking. In Proceedings of | 
|  | 43         the SPIE Symposium on Optical Science, Engineering and Instrumentation, | 
|  | 44         San Diego, USA, July 1998. | 
|  | 45 | 
|  | 46     Koch | 
|  | 47       refer to | 
|  | 48         Eckhard Koch and Jian Zhao. | 
|  | 49         Towards robust and hidden image copyright labeling. | 
|  | 50         In Proceedings of the IEEE International Workshop on Nonlinear | 
|  | 51         Signal and Image Processing, pages 452 - 455, Halkidiki, Marmaras, | 
|  | 52         Greece, June 1995. | 
|  | 53 | 
|  | 54     Kim | 
|  | 55       refer to | 
|  | 56         Jong Ryul Kim and Young Shik Moon. | 
|  | 57         A robust wavelet-based digital watermark using level-adaptive | 
|  | 58         thresholding. In Proceedings of the 6th IEEE International | 
|  | 59         Conference on Image Processing ICIP '99, page 202, | 
|  | 60         Kobe, Japan, October 1999. | 
|  | 61 | 
|  | 62     Wang | 
|  | 63       refer to | 
|  | 64         Houng-Jyh Wang, Po-Chyi Su, and C.-C. Jay Kuo. | 
|  | 65         Wavelet-based digital image watermarking. Optics Express, 3 | 
|  | 66         pp. 497, December 1998. | 
|  | 67 | 
|  | 68     Xia | 
|  | 69       refer to | 
|  | 70         Xiang-Gen Xia, Charles G. Boncelet, and Gonzalo R. Arce. | 
|  | 71         Wavelet transform based watermark for digital images. Optics Express, 3 | 
|  | 72         pp. 497, December 1998. | 
|  | 73 | 
|  | 74     Xie | 
|  | 75       refer to | 
|  | 76         Liehua Xie and Gonzalo R. Arce. | 
|  | 77         Joint wavelet compression and authentication watermarking. In | 
|  | 78         Proceedings of the IEEE International Conference on Image Processing, | 
|  | 79         ICIP '98, Chicago, IL, USA, 1998. | 
|  | 80 | 
|  | 81     Zhu | 
|  | 82       refer to | 
|  | 83        Wenwu Zhu, Zixiang Xiong, and Ya-Qin Zhang. | 
|  | 84        Multiresolution watermarking for images and video: a unified approach. | 
|  | 85        In Proceedings of the IEEE International Conference on Image Processing, | 
|  | 86        ICIP '98, Chicago, IL, USA, October 1998. | 
|  | 87 | 
|  | 88    Piva/Fotopoulos [cast|test-pv,hart,sub] | 
|  | 89      contribution by Vassilis Fotopoulos | 
|  | 90      refer to | 
|  | 91 | 
|  | 92         M.Barni, F. Bartolini, V. Cappellini, A. Piva. A DCT-Domain | 
|  | 93         System for Robust Image Watermarking, | 
|  | 94         Signal Processing, vol. 66, pp 357 - 372, 1998. | 
|  | 95 | 
|  | 96         V. Fotopoulos, A. N. Skodras, A Subband DCT approach to | 
|  | 97         image watermarking, X European Signal Processing Conference, | 
|  | 98         September 4 - 8, 2000, Tampere, Finland | 
|  | 99 | 
|  | 100     many more algorithms to come! | 
|  | 101     see what is in stock: http://www.cosy.sbg.ac.at/~pmeerw/Watermarking | 
|  | 102 | 
|  | 103   and utility programs | 
|  | 104 | 
|  | 105     cmp_pgm     - compute difference image, PSNR, ... | 
|  | 106     cmp_dct     - compute full-frame DCT domain difference image | 
|  | 107     cmp_dct8x8  - compute 8x8 block-based DCT difference image | 
|  | 108     cmp_dwt     - compute DWT domain difference image | 
|  | 109 | 
|  | 110 | 
|  | 111 | 
|  | 112 Contact: Comments are welcome! | 
|  | 113 | 
|  | 114 More algorithms will be added over time, I have implemented about 13 | 
|  | 115 watermarking algorithms in the spatial-, DCT-, and wavelet domain so far. | 
|  | 116 | 
|  | 117 Please report what problems you have, suggestions, ... | 
|  | 118 | 
|  | 119 Peter Meerwald | 
|  | 120 | 
|  | 121 Dept. of Scientific Computing | 
|  | 122 University of Salzburg | 
|  | 123 Jakob-Haringer-Str. 2 | 
|  | 124 A-5020 Salzburg | 
|  | 125 AUSTRIA | 
|  | 126 | 
|  | 127 pmeerw@cosy.sbg.ac.at | 
|  | 128 http://www.cosy.sbg.ac.at/~pmeerw/Watermarking | 
|  | 129 | 
|  | 130 +43-662-8044-6327 | 
|  | 131 | 
|  | 132 |