基于多尺度分解与预测误差扩展的可逆图像水印算法 (Reversible Image Watermarking Algorithm Based on Multi-scale Decomposition and Prediction Error Expansion).
Zhengwei ZhangLifa WuYunyang YanPublished in: 计算机科学 (2017)
Keyphrases
- reversible watermarking
- prediction error
- multiscale
- motion compensated
- linear prediction
- scale space
- edge detection
- bit rate
- power spectral density
- motion vectors
- empirical risk
- watermarking scheme
- inter frame
- wavelet transform
- natural images
- coding gain
- motion compensated prediction
- image processing
- image representation
- wavelet decomposition
- feature space
- computational complexity
- image segmentation