A Watermarking Algorithm for Color Image Based on YIQ Color Space and Integer Wavelet Transform

摘要：

Digital watermarking has been widely applied to solve copyright problems of digital media relating to illegal use or distribution. In the past few years, several gray-level image watermarking algorithms have been proposed, but few of them can be applied to color image. A digital watermarking algorithm for a color watermark embedded into a color host image, based on color space transform and IWT (Integer Wavelet Transform), is proposed. According to the Human Visual System peculiarity and quantizing the wavelet coefficient, Encrypted watermark is embedded adaptively into the luminance Y of the YIQ mode in IWT domain. The proposed algorithm allows extracting the watermark without the help of the original watermark and host image. Experimental results show that the embedded watermark is invisible and robust against common image processing.

关键词： Color digital watermark YIQ color space Human visual system Integer wavelet transform Algorithm

作者: Qingtang Su Xianxi Liu Wenchao Yang

作者单位: Department of Modern Education Technology, Lu Dong University Yantai, Shandong 264025, China College of Mechanical & Electrical Engineering, Shandong Agricultural University Taian, Shandong 27

会议类型: 国际会议

会议名称: 2009图像分析与信号处理国际会议(2009 International Conference on Image Analysis and Signal Processing)

会议地点: 浙江台州

会议语种:英文

页码: 70-73

在线出版日期: 2009-04-11（万方平台首次上网日期，不代表论文的发表时间）