entropy-coding

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#entropy-coding

H-DDCM: Hadamard Codebooks for Fast Generative Image and Video Compression

Hugging Face Daily Papers ↗ · 2026-10-13 Cached

H-DDCM 以隐式随机 Hadamard 字典取代稠密高斯码本,并采用无表字典序编码,实现可扩展、低内存的训练自由生成式图像与视频压缩,在单 GPU 上接近实时处理长视频。

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#entropy-coding

CurveCodec 2: Skeleton-agnostic animation compression with a learned entropy model

Hugging Face Daily Papers ↗ · 2026-10-03 Cached

CurveCodec 2 introduces skeleton-agnostic skeletal animation compression that codes motion curves in the logmap with a small learned entropy model, achieving 0.37x ACL's byte usage under a worst-case per-joint error contract and 0.22x under a mean-error contract while decoding on a single CPU core and transferring without retraining to unseen species.

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#entropy-coding

D-Quant: Driftable Entropy Coding for KV Cache Quantization

arXiv cs.CL ↗ · 2026-09-18 Cached

D-Quant is a flexible KV cache quantization framework using driftable entropy coding to convert variable-length representations into fixed-size bitstreams, enabling efficient parallel dequantization in attention kernels and achieving up to 7x memory reduction and 3.5x throughput improvement while preserving near BF16 performance.

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#entropy-coding

bzip3

Hacker News Top ↗ · 2026-09-07 Cached

BZip3 is a high-performance compression tool that offers superior compression ratios and speed compared to its predecessor BZip2, utilizing advanced algorithms like context mixing entropy coding and Burrows-Wheeler transform.

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#entropy-coding

PivCo-Huffman “merge” operations

Lobsters Hottest ↗ · 2026-06-22 Cached

This blog post analyzes the PivCo-Huffman paper, which introduces 'merge' operations for parallel Huffman decoding, enabling efficient vectorized and GPU-friendly decoding without interleaving overhead.

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#entropy-coding

Journey to JPEG XL: open-source experiments shaped the future of image coding

Hacker News Top ↗ · 2026-06-03 Cached

Google engineers recount the decade-long open-source journey behind JPEG XL, highlighting key experiments like WebP Lossless, Butteraugli, and Guetzli that shaped the next-generation image standard.

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#entropy-coding

libwce: the entropy layer of a wavelet codec, on its own

Lobsters Hottest ↗ · 2026-05-24 Cached

libwce is a minimal, patent-clean Rust library implementing a Bit-Plane Count (BPC) entropy layer for wavelet codecs, providing a stateless and dependency-free module for entropy coding.

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