Geometrically Robust Image Watermark Based on Wavelet Tree Modulation Incorporated with Steerable Pyramid Features
基于小波树调制及方向可控金字塔域特征的抗几何攻击水印

Wavelet based geometrically robust digital watermark is one of the difficulties in image watermark. Energy dominant orientation in steerable pyramid domain and cross correlation between different orientation subbands wel;e used to estimate and restore the