A Geometric Distortion Resilient Image Watermark Algorithm Based on DWT-DFT.
Yuping HuZhijian WangHui LiuGuangjun GuoPublished in: J. Softw. (2011)
Keyphrases
- geometric distortions
- watermarking technique
- discrete fourier transform
- image watermarking
- test images
- discrete wavelet transformation
- image data
- edge detection
- digital watermarking
- geometric transformations
- low frequency
- watermark detection
- computational complexity
- image matching
- frequency domain
- high resolution
- multiresolution