7 papers
ContextCodec: Content-Focused Context Guidance for Ultra-Low Bitrate Speech Coding
Chengbin Liang, Wenqi Guo, Hao Cao +1
Neural speech codecs enable low-bitrate speech communication, yet at ultra-low bitrates (< 1000 bps) preserving perceptual quality and intelligibility is challenging. Existing desi…
Efficient Learned Image Compression without Entropy Coding
Hao Cao, Wenqi Guo, Zhijin Qin +1
Entropy coding is widely used in typical learned image compression (LIC) that converts latents into a compact bitstream. However, entropy coding is typically sequential and becomes…
Perception-Aware Video Semantic Communication
Yinhuan Huang, Zhijin Qin
Ultra-high-resolution streaming and emerging immersive services are driving rapidly increasing wireless video traffic. However, perceptually pleasing video transmission over bandwi…
Generalizable 3D Gaussian Splatting enabled Semantic Coding for Real-Time Immersive Video Communications
Dingxi Yang, Wenqi Guo, Yue Liu +2
Real-time immersive video communications, particularly high-fidelity 3D telepresence, necessitates a synergistic balance between instantaneous dynamic scene reconstruction and high…
ProGIC: Progressive and Lightweight Generative Image Compression with Residual Vector Quantization
Hao Cao, Chengbin Liang, Wenqi Guo +2
Recent advances in generative image compression (GIC) have delivered remarkable improvements in perceptual quality. However, many GICs rely on large-scale and rigid models, which s…
LSVOS 2025 Challenge Report: Recent Advances in Complex Video Object Segmentation
Chang Liu, Henghui Ding, Kaining Ying +46
This report presents an overview of the 7th Large-scale Video Object Segmentation (LSVOS) Challenge held in conjunction with ICCV 2025. Besides the two traditional tracks of LSVOS…
The 1st Solution for MOSEv2 Challenge 2025: Long-term and Concept-aware Video Segmentation via SeC
Mingqi Gao, Jingkun Chen, Yunqi Miao +3
This technical report explores the MOSEv2 track of the LSVOS Challenge, which targets complex semi-supervised video object segmentation. By analysing and adapting SeC, an enhanced…