DALGACIK DÖNÜŞÜMÜ İLE EN DÜŞÜK ANLAMLI BİT FİLİGRAN EKLEME YÖNTEMLERİNİN KAYNAŞTIRILMASI
Year 2007,
Volume: 5 Issue: 3, 4 - 8, 15.06.2007
Mustafa Kaya
,
Hanifi Güldemir
Abstract
Bu çalışmada yaygın kullanılan resim
dosyalarına filigran ekleme yöntemlerinden EDB (En Düşük Anlamlı Bit) ve ADD
(Ayrık Dalgacık Dönüşüm) katsayıları kullanılarak kaynaşık bir filigran ekleme
yöntemi öneril-miştir. Mevcut yöntemlerin farklı avantajlarından faydalanılarak
sağlamlık, sinyal gürültü oranı ve çalışma zamanı performans ölçütlerinin daha
da iyileştirilmesine çalışılmıştır. Bu amaçla en düşük hesaplama zama-nına
sahip EDB yöntemi ile bozucu etkenlere karşı sağlamlığı arttıran ADD
katsayıları yöntemi bir arada kullanılmıştır.
References
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Year 2007,
Volume: 5 Issue: 3, 4 - 8, 15.06.2007
Mustafa Kaya
,
Hanifi Güldemir
References
- 1. C.I. Podilchuk and W. Zeng, “Perceptual watermarking of still image”, San Jose, CA, USA, February 1996, vol. 3016.
- 2. I. Hong, I. Kim, S.-Soo Han “A Blind watermarking technique using wavelet transform” , Industrial Electronics, IEEE International Symposium on. Volume: 3, On page(s): 1946-1950, 2001.
- 3. I. Orea-Flores, M.A. Acevedo and J. Lopez-Bonilla, “Wavelet and Discrete Cosine Transforms For Inserting Information into BMP Images”, ANZIAM J. 48, pp. 23-35 , 2006.
- 4. Luciano da Fontauro Costa and Roberto Marcondes Cesar Jr. Shape Analysis and Classification: Theory and Practice London CRC Press LLC, 2000
- 5. N. Nicolaidis, I. Pitas, “Robust image watermarking in the spatial domain” Signal Processing, Volume 66 , Issue 3 (May 1998) Pages: 385 – 403 ISSN:0165-1684
- 6. P. Kovesi “Phase preserving denoising of images” Proceedings of DICTA 1999 conferen-ce, Perth, Australia, Dec 1999., pp. 212-217
- 7. R. Polkar, “The story of wavelets” IMACS/ IEEE CSCC 99 pp 5481-5486 1999.
- 8. S. Pereira, S. Voloshynovskiy and T. Pun, “Op-timal transform domain watermark embedding via linear programming”, Signal Processing, Special Issue: Information Theoretic Issues in Digital Watermarking, May, 2001.
- 9. X. Kang, J. Huang, Y. Q. Shi, Y. Lin “A DWT-DFT Composite watermarking Scheme Robust to both affine transform and JPEG compres-sion”, IEEE, Transactions on Circuits and Systems for Video Technology, Vol. 13, NO. 8, August 2003.
- 10. Yu-Pin Wang, Mei-Juan Chen, Po-Yuen Cheng, “Robust Image Watermark With Wave-let Transform and Spread Spectrum Techniqu-es”, 34th Asilomar Conference on Signals, Systems, and Computers , Oct. 29-31, 2000, Asilomar, CA, U.S.A.