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Fine-grained image retrieval (FGIR) is to learn visual representations that distinguish visually similar objects while maintaining generalization. Existing methods propose to generate discriminative features, but rarely consider the…

Computer Vision and Pattern Recognition · Computer Science 2024-04-25 Xin Jiang , Hao Tang , Rui Yan , Jinhui Tang , Zechao Li

High-Efficiency Video Coding (HEVC) surpasses its predecessors in encoding efficiency by introducing new coding tools at the cost of an increased encoding time-complexity. The Coding Tree Unit (CTU) is the main building block used in HEVC.…

Multimedia · Computer Science 2021-09-07 Ekrem Cetinkaya , Hadi Amirpour , Mohammad Ghanbari , Christian Timmerer

This paper proposes a Generative Face Video Compression (GFVC) approach using Supplemental Enhancement Information (SEI), where a series of compact spatial and temporal representations of a face video signal (e.g., 2D/3D keypoints, facial…

Computer Vision and Pattern Recognition · Computer Science 2025-09-19 Bolin Chen , Yan Ye , Jie Chen , Ru-Ling Liao , Shanzhi Yin , Shiqi Wang , Kaifa Yang , Yue Li , Yiling Xu , Ye-Kui Wang , Shiv Gehlot , Guan-Ming Su , Peng Yin , Sean McCarthy , Gary J. Sullivan

Perceptual video compression leverages generative priors to reconstruct realistic textures and motions at low bitrates. However, existing perceptual codecs often lack native support for variable bitrate and progressive delivery, and their…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Daowen Li , Ruixiao Dong , Ying Chen , Kai Li , Ding Ding , Li Li

We propose Compressed Video Aggregator (CVA), a lightweight micro-video recommendation module that decouples video information from preference learning. It aggregates frozen VFM embeddings, and uses latent reasoning without cross-attention…

Machine Learning · Computer Science 2026-05-12 Yang Xiao , Huiyuan Chen , Kaiyuan Deng , Chao Jiang , Zinan Ling , Ruimeng Ye , Xiaolong Ma , Bo Hui

Video has become the predominant medium for information dissemination, driving the need for efficient video codecs. Recent advancements in learned video compression have shown promising results, surpassing traditional codecs in terms of…

Multimedia · Computer Science 2023-09-12 Peng-Yu Chen , Wen-Hsiao Peng

Recently, deep generative models have greatly advanced the progress of face video coding towards promising rate-distortion performance and diverse application functionalities. Beyond traditional hybrid video coding paradigms, Generative…

Image and Video Processing · Electrical Eng. & Systems 2024-10-14 Bolin Chen , Shanzhi Yin , Zihan Zhang , Jie Chen , Ru-Ling Liao , Lingyu Zhu , Shiqi Wang , Yan Ye

For the task of image classification, researchers work arduously to develop the next state-of-the-art (SOTA) model, each bench-marking their own performance against that of their predecessors and of their peers. Unfortunately, the metric…

Computer Vision and Pattern Recognition · Computer Science 2021-09-09 Matthew Gwilliam , Adam Teuscher , Connor Anderson , Ryan Farrell

In recent years, AI generative models have made remarkable progress across various domains, including text generation, image generation, and video generation. However, assessing the quality of text-to-video generation is still in its…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Xinli Yue , Jianhui Sun , Han Kong , Liangchao Yao , Tianyi Wang , Lei Li , Fengyun Rao , Jing Lv , Fan Xia , Yuetang Deng , Qian Wang , Lingchen Zhao

Video quality assessment (VQA) is a challenging problem due to the numerous factors that can affect the perceptual quality of a video, \eg, content attractiveness, distortion type, motion pattern, and level. However, annotating the Mean…

Computer Vision and Pattern Recognition · Computer Science 2024-05-29 Kun Yuan , Hongbo Liu , Mading Li , Muyi Sun , Ming Sun , Jiachao Gong , Jinhua Hao , Chao Zhou , Yansong Tang

IP traffic has increased significantly in recent years, and it is expected that this progress will continue. Recent studies report that the viewing of online video content accounts for a share of 1% of the global greenhouse gas emissions.…

Image and Video Processing · Electrical Eng. & Systems 2021-11-25 Matthias Kränzler , Christian Herglotz , André Kaup

Many GPUs have incorporated hardware-accelerated video encoders, which allow video encoding tasks to be offloaded from the main CPU and provide higher power efficiency. Over the years, many new video codecs such as H.265/HEVC, VP9, and AV1…

Image and Video Processing · Electrical Eng. & Systems 2025-11-25 Kasidis Arunruangsirilert , Jiro Katto

In learning vision-language representations from web-scale data, the contrastive language-image pre-training (CLIP) mechanism has demonstrated a remarkable performance in many vision tasks. However, its application to the widely studied…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Fengchuang Xing , Mingjie Li , Yuan-Gen Wang , Guopu Zhu , Xiaochun Cao

Building on recent advances in video generation, generative video compression has emerged as a new paradigm for achieving visually pleasing reconstructions. However, existing methods exhibit limited exploitation of temporal correlations,…

Computer Vision and Pattern Recognition · Computer Science 2026-02-11 Xiaoyue Ling , Chuqin Zhou , Chunyi Li , Yunuo Chen , Yuan Tian , Guo Lu , Wenjun Zhang

Metrics for Visual Grounding (VG) in Visual Question Answering (VQA) systems primarily aim to measure a system's reliance on relevant parts of the image when inferring an answer to the given question. Lack of VG has been a common problem…

Computer Vision and Pattern Recognition · Computer Science 2024-01-17 Daniel Reich , Felix Putze , Tanja Schultz

Video compression is a fundamental topic in the visual intelligence, bridging visual signal sensing/capturing and high-level visual analytics. The broad success of artificial intelligence (AI) technology has enriched the horizon of video…

Image and Video Processing · Electrical Eng. & Systems 2025-05-01 Chuanmin Jia , Feng Ye , Siwei Ma , Wen Gao , Huifang Sun , Leonardo Chiariglione

The growth in video Internet traffic and advancements in video attributes such as framerate, resolution, and bit-depth boost the demand to devise a large-scale, highly efficient video encoding environment. This is even more essential for…

Point cloud compression has become a crucial factor in immersive visual media processing and streaming. This paper presents a new open dataset called UVG-VPC for the development, evaluation, and validation of MPEG Visual Volumetric…

Multimedia · Computer Science 2025-04-09 Guillaume Gautier , Alexandre Mercat , Louis Fréneau , Mikko Pitkänen , Jarno Vanne

Optimized for pixel fidelity metrics, images compressed by existing image codec are facing systematic challenges when used for visual analysis tasks, especially under low-bitrate coding. This paper proposes a visual analysis-motivated…

Image and Video Processing · Electrical Eng. & Systems 2021-04-22 Zhimeng Huang , Chuanmin Jia , Shanshe Wang , Siwei Ma

Accurate and efficient Video Quality Assessment (VQA) has long been a key research challenge. Current mainstream VQA methods typically improve performance by pretraining on large-scale classification datasets (e.g., ImageNet, Kinetics-400),…

Computer Vision and Pattern Recognition · Computer Science 2025-10-10 Yachun Mi , Yu Li , Yanting Li , Chen Hui , Tong Zhang , Zhixuan Li , Chenyue Song , Wei Yang Bryan Lim , Shaohui Liu