Non-uniform Quantization of Detail Components in Wavelet Transformed Image for Lossy JPEG2000 Compression.
Madhur SrivastavaPrasanta K. PanigrahiPublished in: ICPRAM (2013)
Keyphrases
- transformed image
- image watermarking
- jpeg compression
- lossy compression
- watermarking algorithm
- digital images
- discrete wavelet transform
- digital watermarking
- geometric distortions
- image quality
- low pass
- peak signal to noise ratio
- gaussian noise
- dct coefficients
- additive noise
- image coder
- frequency domain
- copyright protection
- denoising
- image compression
- lossless compression
- watermarking scheme
- compression ratio
- pattern matching
- wavelet domain
- bit rate
- low bit rate
- compression algorithm
- feature vectors
- signal processing
- low frequency
- noisy images
- wavelet coefficients
- subband