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Increasing popularity of high-dynamic-range (HDR) image and video content brings the need for metrics that could predict the severity of image impairments as seen on displays of different brightness levels and dynamic range. Such metrics…

Image and Video Processing · Electrical Eng. & Systems 2021-05-12 Aliaksei Mikhailiuk , Maria Perez-Ortiz , Dingcheng Yue , Wilson Suen , Rafal K. Mantiuk

Retrieval-Augmented Generation (RAG) has demonstrated remarkable success in enhancing Large Language Models (LLMs) through external knowledge integration, yet its application has primarily focused on textual content, leaving the rich domain…

Information Retrieval · Computer Science 2025-02-04 Xubin Ren , Lingrui Xu , Long Xia , Shuaiqiang Wang , Dawei Yin , Chao Huang

This paper presents a review for the NTIRE 2025 Challenge on Short-form UGC Video Quality Assessment and Enhancement. The challenge comprises two tracks: (i) Efficient Video Quality Assessment (KVQ), and (ii) Diffusion-based Image…

Image and Video Processing · Electrical Eng. & Systems 2025-04-18 Xin Li , Kun Yuan , Bingchen Li , Fengbin Guan , Yizhen Shao , Zihao Yu , Xijun Wang , Yiting Lu , Wei Luo , Suhang Yao , Ming Sun , Chao Zhou , Zhibo Chen , Radu Timofte , Yabin Zhang , Ao-Xiang Zhang , Tianwu Zhi , Jianzhao Liu , Yang Li , Jingwen Xu , Yiting Liao , Yushen Zuo , Mingyang Wu , Renjie Li , Shengyun Zhong , Zhengzhong Tu , Yufan Liu , Xiangguang Chen , Zuowei Cao , Minhao Tang , Shan Liu , Kexin Zhang , Jingfen Xie , Yan Wang , Kai Chen , Shijie Zhao , Yunchen Zhang , Xiangkai Xu , Hong Gao , Ji Shi , Yiming Bao , Xiugang Dong , Xiangsheng Zhou , Yaofeng Tu , Ying Liang , Yiwen Wang , Xinning Chai , Yuxuan Zhang , Zhengxue Cheng , Yingsheng Qin , Yucai Yang , Rong Xie , Li Song , Wei Sun , Kang Fu , Linhan Cao , Dandan Zhu , Kaiwei Zhang , Yucheng Zhu , Zicheng Zhang , Menghan Hu , Xiongkuo Min , Guangtao Zhai , Zhi Jin , Jiawei Wu , Wei Wang , Wenjian Zhang , Yuhai Lan , Gaoxiong Yi , Hengyuan Na , Wang Luo , Di Wu , MingYin Bai , Jiawang Du , Zilong Lu , Zhenyu Jiang , Hui Zeng , Ziguan Cui , Zongliang Gan , Guijin Tang , Xinglin Xie , Kehuan Song , Xiaoqiang Lu , Licheng Jiao , Fang Liu , Xu Liu , Puhua Chen , Ha Thu Nguyen , Katrien De Moor , Seyed Ali Amirshahi , Mohamed-Chaker Larabi , Qi Tang , Linfeng He , Zhiyong Gao , Zixuan Gao , Guohua Zhang , Zhiye Huang , Yi Deng , Qingmiao Jiang , Lu Chen , Yi Yang , Xi Liao , Nourine Mohammed Nadir , Yuxuan Jiang , Qiang Zhu , Siyue Teng , Fan Zhang , Shuyuan Zhu , Bing Zeng , David Bull , Meiqin Liu , Chao Yao , Yao Zhao

While existing video and image quality datasets have extensively studied natural videos and traditional distortions, the perception of synthetic content and modern rendering artifacts remains underexplored. We present a novel video quality…

Graphics · Computer Science 2025-06-16 Akshay Jindal , Nabil Sadaka , Manu Mathew Thomas , Anton Sochenov , Anton Kaplanyan

Diffusion based video generation has received extensive attention and achieved considerable success within both the academic and industrial communities. However, current efforts are mainly concentrated on single-objective or single-task…

Computer Vision and Pattern Recognition · Computer Science 2024-01-18 Ludan Ruan , Lei Tian , Chuanwei Huang , Xu Zhang , Xinyan Xiao

We introduce HIDRO-VQA, a no-reference (NR) video quality assessment model designed to provide precise quality evaluations of High Dynamic Range (HDR) videos. HDR videos exhibit a broader spectrum of luminance, detail, and color than…

Computer Vision and Pattern Recognition · Computer Science 2023-12-22 Shreshth Saini , Avinab Saha , Alan C. Bovik

Recently, with the growing popularity of mobile devices as well as video sharing platforms (e.g., YouTube, Facebook, TikTok, and Twitch), User-Generated Content (UGC) videos have become increasingly common and now account for a large…

Image and Video Processing · Electrical Eng. & Systems 2023-10-31 Ahmed Telili , Sid Ahmed Fezza , Wassim Hamidouche , Hanene F. Z. Brachemi Meftah

Previous studies on question generation from videos have mostly focused on generating questions about common objects and attributes and hence are not entity-centric. In this work, we focus on the generation of entity-centric…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Arpan Phukan , Manish Gupta , Asif Ekbal

AI-generated content (AIGC), such as advertisement copy, product descriptions, and social media posts, is becoming ubiquitous in business practices. However, the value of AI-generated metadata, such as titles, remains unclear on…

General Economics · Economics 2024-12-25 Xinyi Zhang , Chenshuo Sun , Renyu Zhang , Khim-Yong Goh

The main focus of this document is to evaluate the performance of the existing LDR and HDR metrics on HDR video content which in turn will allow for a better understanding of how well each of these metrics work and if they can be applied in…

Image and Video Processing · Electrical Eng. & Systems 2018-03-16 Amin Banitalebi-Dehkordi , Maryam Azimi , Yuanyuan Dong , Mahsa T. Pourazad , Panos Nasiopoulos

Recently, User-Generated Content (UGC) videos have gained popularity in our daily lives. However, UGC videos often suffer from poor exposure due to the limitations of photographic equipment and techniques. Therefore, Video Exposure…

Computer Vision and Pattern Recognition · Computer Science 2024-05-15 Xunchu Zhou , Xiaohong Liu , Yunlong Dong , Tengchuan Kou , Yixuan Gao , Zicheng Zhang , Chunyi Li , Haoning Wu , Guangtao Zhai

Recent advances in video diffusion models have significantly improved visual quality, yet ultra-high-resolution (UHR) video generation remains a formidable challenge due to the compounded difficulties of motion modeling, semantic planning,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-28 Chen Zhao , Jiawei Chen , Hongyu Li , Zhuoliang Kang , Shilin Lu , Xiaoming Wei , Kai Zhang , Jian Yang , Ying Tai

High frame rate (HFR) videos are becoming increasingly common with the tremendous popularity of live, high-action streaming content such as sports. Although HFR contents are generally of very high quality, high bandwidth requirements make…

Multimedia · Computer Science 2021-09-28 Pavan C. Madhusudana , Xiangxu Yu , Neil Birkbeck , Yilin Wang , Balu Adsumilli , Alan C. Bovik

Video quality assessment (VQA) is an important problem in computer vision. The videos in computer vision applications are usually captured in the wild. We focus on automatically assessing the quality of in-the-wild videos, which is a…

Computer Vision and Pattern Recognition · Computer Science 2021-02-11 Dingquan Li , Tingting Jiang , Ming Jiang

Audio-visual quality assessment (AVQA) research has been stalled by limitations of existing datasets: they are typically small in scale, with insufficient diversity in content and quality, and annotated only with overall scores. These…

Computer Vision and Pattern Recognition · Computer Science 2026-02-27 Renyu Yang , Jian Jin , Lili Meng , Meiqin Liu , Yilin Wang , Balu Adsumilli , Weisi Lin

High dynamic range (HDR) video reconstruction from sequences captured with alternating exposures is a very challenging problem. Existing methods often align low dynamic range (LDR) input sequence in the image space using optical flow, and…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Guanying Chen , Chaofeng Chen , Shi Guo , Zhetong Liang , Kwan-Yee K. Wong , Lei Zhang

In this paper, we propose a deep learning based video quality assessment (VQA) framework to evaluate the quality of the compressed user's generated content (UGC) videos. The proposed VQA framework consists of three modules, the feature…

Image and Video Processing · Electrical Eng. & Systems 2021-06-03 Wei Sun , Tao Wang , Xiongkuo Min , Fuwang Yi , Guangtao Zhai

The prevalence of user-generated content (UGC) on platforms such as YouTube and TikTok has rendered no-reference (NR) perceptual video quality assessment (VQA) vital for optimizing video delivery. Nonetheless, the characteristics of…

Image and Video Processing · Electrical Eng. & Systems 2025-11-11 Xinyi Wang , Angeliki Katsenou , Junxiao Shen , David Bull

Investigating how people perceive virtual reality (VR) videos in the wild (i.e., those captured by everyday users) is a crucial and challenging task in VR-related applications due to complex authentic distortions localized in space and…

Computer Vision and Pattern Recognition · Computer Science 2024-03-18 Wen Wen , Mu Li , Yiru Yao , Xiangjie Sui , Yabin Zhang , Long Lan , Yuming Fang , Kede Ma

We study the visual quality judgments of human subjects on digital human avatars (sometimes referred to as "holograms" in the parlance of virtual reality [VR] and augmented reality [AR] systems) that have been subjected to distortions. We…

Image and Video Processing · Electrical Eng. & Systems 2024-10-04 Yu-Chih Chen , Avinab Saha , Alexandre Chapiro , Christian Häne , Jean-Charles Bazin , Bo Qiu , Stefano Zanetti , Ioannis Katsavounidis , Alan C. Bovik