3 papers
cs.CV2026
SEEC: Segmentation-Assisted Multi-Entropy Models for Learned Lossless Image Compression
Chunhang Zheng, Zichang Ren, Dou Li
Recently, learned image compression has attracted considerable attention due to its superior performance over traditional methods. However, most existing approaches employ a single…
cs.IT2025
Successive Cancellation Decoding For General Monotone Chain Polar Codes
Zichang Ren, Chunhang Zheng, Dou Li +1
Monotone chain polar codes generalize classical polar codes to multivariate settings, offering a flexible approach for achieving the entire admissible rate region in the distribute…
cs.IT2025
Entropy Polarization-Based Data Compression Without Frozen Set Construction
Zichang Ren, Yuping Zhao
Classical source polar codes require the construction of frozen sets for given sources. While this scheme offers excellent theoretical performance, it faces challenges in practical…