Soft convex quantization: revisiting Vector Quantization with convex optimization.
Tanmay GautamReid PryzantZiyi YangChenguang ZhuSomayeh SojoudiPublished in: L4DC (2024)
Keyphrases
- convex optimization
- vector quantization
- distortion measure
- codebook design
- successive approximation
- scalar quantization
- image compression
- tree structured vector quantization
- convex relaxation
- convex optimization problems
- vector quantizer
- interior point methods
- primal dual
- convex formulation
- convex constraints
- entropy coding
- norm minimization
- color quantization
- total variation
- human perception
- subband
- vector quantized
- operator splitting
- wavelet transform
- image reconstruction
- frequency domain
- loss function