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This work introduces NeuroQuant, a novel post-training quantization (PTQ) approach tailored to non-generalized Implicit Neural Representations for variable-rate Video Coding (INR-VC). Unlike existing methods that require extensive weight…

Image and Video Processing · Electrical Eng. & Systems 2025-02-18 Junqi Shi , Zhujia Chen , Hanfei Li , Qi Zhao , Ming Lu , Tong Chen , Zhan Ma

Large Language Models (LLMs) face significant challenges in edge deployment due to their massive parameter scale. Vector Quantization (VQ), a clustering-based quantization method, serves as a prevalent solution to this issue for its…

Machine Learning · Computer Science 2025-06-27 Yuxuan Yue , Zukang Xu , Zhihang Yuan , Dawei Yang , Jianlong Wu , Liqiang Nie

Photorealistic Codec Avatars (PCA), which generate high-fidelity human face renderings, are increasingly being used in Virtual Reality (VR) environments to enable immersive communication and interaction through deep learning-based…

Computer Vision and Pattern Recognition · Computer Science 2025-10-30 Mingzhi Zhu , Ding Shang , Sai Qian Zhang

Learning-based video compression is currently a popular research topic, offering the potential to compete with conventional standard video codecs. In this context, Implicit Neural Representations (INRs) have previously been used to…

Image and Video Processing · Electrical Eng. & Systems 2024-06-11 Ho Man Kwan , Ge Gao , Fan Zhang , Andrew Gower , David Bull

Quantum low-density parity-check (QLDPC) codes are promising candidates for error correction in quantum computers. One of the major challenges in implementing QLDPC codes in quantum computers is the lack of a universal decoder. In this…

Quantum Physics · Physics 2025-02-18 Sisi Miao , Alexander Schnerring , Haizheng Li , Laurent Schmalen

Just Noticeable Difference (JND) model developed based on Human Vision System (HVS) through subjective studies is valuable for many multimedia use cases. In the streaming industries, it is commonly applied to reach a good balance between…

Image and Video Processing · Electrical Eng. & Systems 2022-05-23 Jingwen Zhu , Suiyi Ling , Yoann Baveye , Patrick Le Callet

Ultra-high-definition (UHD) image restoration often faces computational bottlenecks and information loss due to its extremely high resolution. Existing studies based on Variational Autoencoders (VAE) improve efficiency by transferring the…

Computer Vision and Pattern Recognition · Computer Science 2025-06-27 Yidi Liu , Dong Li , Yuxin Ma , Jie Huang , Wenlong Zhang , Xueyang Fu , Zheng-jun Zha

Large vision-language models (LVLMs) achieve strong multimodal understanding, but their inference cost grows rapidly with the number of visual tokens, especially for high-resolution images and long videos. Existing attention-based methods…

Computer Vision and Pattern Recognition · Computer Science 2026-05-18 Hongyu Lu , Feng Zhang , Wenwei Jin , Huanling Hu , Tianjun Shi , Shikai Jiang , Yao Hu , Jiawei Li

Versatile Video Coding (VVC) is the most recent international video coding standard jointly developed by ITU-T and ISO/IEC, which has been finalized in July 2020. VVC allows for significant bit-rate reductions around 50% for the same…

Image and Video Processing · Electrical Eng. & Systems 2021-10-22 Adam Wieckowski , Christian Lehmann , Benjamin Bross , Detlev Marpe , Thibaud Biatek , Mickael Raulet , Jean Le Feuvre

Deep learning-based methods for low-light image enhancement typically require enormous paired training data, which are impractical to capture in real-world scenarios. Recently, unsupervised approaches have been explored to eliminate the…

Computer Vision and Pattern Recognition · Computer Science 2021-12-06 Feng Zhang , Yuanjie Shao , Yishi Sun , Kai Zhu , Changxin Gao , Nong Sang

In recent years, the global demand for high-resolution videos and the emergence of new multimedia applications have created the need for a new video coding standard. Hence, in July 2020 the Versatile Video Coding (VVC) standard was released…

Image and Video Processing · Electrical Eng. & Systems 2022-07-01 Anup Saha , Wassim Hamidouche , Miguel Chavarrías , Guillaume Gautier , Fernando Pescador , Ibrahim Farhat

Leveraging large-scale Text-to-Image (TTI) models have become a common technique for generating exemplar or training dataset in the fields of image synthesis, video editing, 3D reconstruction. However, semantic structural visual…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Bumsoo Kim , Wonseop Shin , Kyuchul Lee , Yonghoon Jung , Sanghyun Seo

The High Efficiency Video Coding (HEVC/H.265) standard doubles the compression efficiency of the widely used H.264/AVC standard. For practical applications, rate control (RC) algorithms for HEVC need to be developed. Based on the R-Q,…

Multimedia · Computer Science 2019-11-05 Minhao Tang , Jiangtao Wen , Yuxing Han

A multi-grid multi-block-size vector quantization (MGBVQ) method is proposed for image coding in this work. The fundamental idea of image coding is to remove correlations among pixels before quantization and entropy coding, e.g., the…

Computer Vision and Pattern Recognition · Computer Science 2022-09-27 Yifan Wang , Zhanxuan Mei , Ioannis Katsavounidis , C. -C. Jay Kuo

Uncertainty quantification (UQ) remains a critical challenge in Large Vision Language Models (LVLMs) for reliable predictions and real-world deployment. However, most existing methods are adapted from the LLM literature and primarily focus…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Joseph Hoche , David Brellmann , Gianni Franchi

Despite its improvements in coding performance compared to traditional codecs, Learned Image Compression (LIC) suffers from large computational costs for storage and deployment. Model quantization offers an effective solution to reduce the…

Image and Video Processing · Electrical Eng. & Systems 2025-06-03 Md Adnan Faisal Hossain , Zhihao Duan , Fengqing Zhu

Post-training model quantization is a widely adopted technique for reducing the memory and computational costs of large language models (LLMs). However, most existing methods rely on uniform or heuristic bitwidth assignments, failing to…

Machine Learning · Computer Science 2025-06-09 Chao Zhang , Li Wang , Samson Lasaulce , Merouane Debbah

Due to the high sensitivity of qubits to environmental noise, which leads to decoherence and information loss, active quantum error correction(QEC) is essential. Surface codes represent one of the most promising fault-tolerant QEC schemes,…

Hardware Architecture · Computer Science 2025-07-08 Hao Wang , Erjia Xiao , Wenbo Mu , Songhuan He , Zhongyi Ni , Lingfeng Zhang , Xiaokun Zhan , Yifei Cui , Jinguo Liu , Cheng Wang , Zhongrui Wang , Renjing Xu

This paper proposes a novel vision-integrated neural speech codec (VNSC), which aims to enhance speech coding quality by leveraging visual modality information. In VNSC, the image analysis-synthesis module extracts visual features from lip…

Audio and Speech Processing · Electrical Eng. & Systems 2025-05-30 Yao Guo , Yang Ai , Rui-Chen Zheng , Hui-Peng Du , Xiao-Hang Jiang , Zhen-Hua Ling

High-quality image inpainting requires filling missing regions in a damaged image with plausible content. Existing works either fill the regions by copying image patches or generating semantically-coherent patches from region context, while…

Computer Vision and Pattern Recognition · Computer Science 2019-07-12 Yanhong Zeng , Jianlong Fu , Hongyang Chao , Baining Guo