Title :
A Watermarking Algorithm Based on Wavelet and Cosine Transform for Color Image
Author :
Yang, Wei-Min ; Jin, Zheng
Author_Institution :
Coll. of Comput. Sci., Central South Univ. of Forestry & Technol., Changsha
Abstract :
In this paper, we propose a watermarking algorithm for color image based DCT and DWT. A binary image as watermark is embedded into green component or blue component of color image. The algorithm can satisfy the transparence and robustness of the watermarking system very well. The experiment based on this algorithm demonstrates that the watermarking is robust to the common signal processing techniques including JPEG compressing, adding noise, low pass filter, and mosaic.
Keywords :
discrete cosine transforms; discrete wavelet transforms; image coding; image colour analysis; watermarking; discrete cosine transform; discrete wavelet transform; image color analysis; watermarking algorithm; Color; Discrete cosine transforms; Discrete wavelet transforms; Image coding; Low pass filters; Noise robustness; Signal processing algorithms; Transform coding; Watermarking; Wavelet transforms; color image; digital watermarking; discrete cosine transform(DCT); discrete wavelet transform(DWT);
Conference_Titel :
Education Technology and Computer Science, 2009. ETCS '09. First International Workshop on
Conference_Location :
Wuhan, Hubei
Print_ISBN :
978-1-4244-3581-4
DOI :
10.1109/ETCS.2009.464
