Optimizing PSNR for Image Watermarking Using Summation Quantization on DWT Coefficients.
Chao-Tung YangWilliam C. C. ChuHuang-Nan HuangShuo-Tsung ChenDer-Fa ChenChiu-Chun LinChih-Hung ChangPublished in: COMPSAC (Stephen S. Yau Academic Symposium) (2015)
Keyphrases
- image watermarking
- discrete wavelet transform
- transform coefficients
- jpeg compression
- peak signal to noise ratio
- reconstructed image
- bit rate
- wavelet coefficients
- lossy compression
- subband
- watermark embedding
- image quality
- spread spectrum
- image compression
- visual quality
- computational complexity
- wavelet domain
- geometric attacks
- image reconstruction
- watermarking algorithm
- digital watermarking
- compression ratio
- bitstream
- geometric distortions
- additive noise
- copyright protection
- pattern matching
- digital images
- wavelet transform
- multiresolution
- high quality
- video compression
- multimedia
- compression algorithm
- lossless compression
- filter bank
- motion vectors