PSNR-Aware Quantization for DCT-based Lossy Compression.
Jiaxi ChenSeung Woo SonPublished in: BigData (2023)
Keyphrases
- lossy compression
- image compression
- entropy coding
- color quantization
- bit rate
- compression ratio
- image quality
- reconstructed image
- image coder
- lossless compression
- discrete cosine transform
- compression rate
- transform coefficients
- compression scheme
- subband
- low bit rate
- wavelet transform
- blocking artifacts
- rate distortion
- lifting scheme
- compression algorithm
- compressed images
- peak signal to noise ratio
- bitstream
- visual quality
- jpeg images
- quantization step
- image processing
- video quality
- inter frame
- multiscale
- coding method
- image coding
- video coding
- multiresolution
- computational complexity
- video compression
- filter bank