Variable-rate Learned Image Compression with Adaptive Quantization Step Size.
Feihong MeiLi LiDong LiuPublished in: VCIP (2023)
Keyphrases
- step size
- image compression
- adaptive quantization
- low bit rate
- convergence rate
- subband
- vector quantization
- subband coding
- convergence speed
- wavelet coefficients
- cost function
- compression algorithm
- wavelet transform
- compression scheme
- compression ratio
- shape coding
- reconstructed image
- compressed images
- discrete cosine transform
- bit allocation
- image processing
- image quality
- lossless compression
- entropy coding
- transform coding
- coded images
- bit rate
- rate distortion
- rate control
- arithmetic coding
- video compression