Title :
An evaluation method for watermarking techniques
Author :
Zhihui, Wei ; Liang, Xiao
Author_Institution :
Sch. of Sci., Nanjing Univ. of Sci. & Technol., China
Abstract :
A method for evaluation of adaptive robust watermarking techniques is proposed. We first propose a general multi-index model of watermarkings, then a reasonable multi-index evaluation system is obtained. Finally a new method for multi-index decision (maximizing deviation method), is proposed and applied to two image adaptive watermarking techniques which are designed and implemented in the DCT domain as well as the wavelet domain utilizing visual masking models. Our experimental results show that the watermarks based on the wavelet transform reach the maximum data hiding in the local image more ideally
Keywords :
adaptive systems; copy protection; copyright; discrete cosine transforms; image processing; message authentication; wavelet transforms; DCT domain; adaptive robust watermarking techniques; general multi-index model; image adaptive watermarking techniques; local image; maximizing deviation method; maximum data hiding; multi-index decision; multi-index evaluation system; visual masking models; watermarking technique evaluation; wavelet domain; wavelet transform; Digital images; Discrete cosine transforms; Frequency conversion; Frequency domain analysis; Humans; Robustness; Visual system; Watermarking; Wavelet domain; Wavelet transforms;
Conference_Titel :
Multimedia and Expo, 2000. ICME 2000. 2000 IEEE International Conference on
Conference_Location :
New York, NY
Print_ISBN :
0-7803-6536-4
DOI :
10.1109/ICME.2000.869618
