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User-generated content (UGC) live videos are often bothered by various distortions during capture procedures and thus exhibit diverse visual qualities. Such source videos are further compressed and transcoded by media server providers…

计算机视觉与模式识别 · 计算机科学 2023-04-20 Zicheng Zhang , Wei Wu , Wei Sun , Dangyang Tu , Wei Lu , Xiongkuo Min , Ying Chen , Guangtao Zhai

The advent of AI has influenced many aspects of human life, from self-driving cars and intelligent chatbots to text-based image and video generation models capable of creating realistic images and videos based on user prompts…

计算机视觉与模式识别 · 计算机科学 2024-10-22 Abhijay Ghildyal , Yuanhan Chen , Saman Zadtootaghaj , Nabajeet Barman , Alan C. Bovik

The rising popularity of online User-Generated-Content (UGC) in the form of streamed and shared videos, has hastened the development of perceptual Video Quality Assessment (VQA) models, which can be used to help optimize their delivery.…

计算机视觉与模式识别 · 计算机科学 2022-03-25 Xiangxu Yu , Zhenqiang Ying , Neil Birkbeck , Yilin Wang , Balu Adsumilli , Alan C. Bovik

Video quality significantly affects video classification. We found this problem when we classified Mild Cognitive Impairment well from clear videos, but worse from blurred ones. From then, we realized that referring to Video Quality…

计算机视觉与模式识别 · 计算机科学 2026-03-12 Jian Sun , Mohammad H. Mahoor

Visual Grounding (VG) methods in Visual Question Answering (VQA) attempt to improve VQA performance by strengthening a model's reliance on question-relevant visual information. The presence of such relevant information in the visual input…

计算机视觉与模式识别 · 计算机科学 2024-02-16 Daniel Reich , Tanja Schultz

Video Question Answering (VQA) inherently relies on multimodal reasoning, integrating visual, temporal, and linguistic cues to achieve a deeper understanding of video content. However, many existing methods rely on feeding frame-level…

The rapid growth of user-generated (video) content (UGC) has driven increased demand for research on no-reference (NR) perceptual video quality assessment (VQA). NR-VQA is a key component for large-scale video quality monitoring in social…

图像与视频处理 · 电气工程与系统科学 2025-08-15 Xinyi Wang , Angeliki Katsenou , David Bull

Video quality assessment (VQA) seeks to predict the perceptual quality of a video in alignment with human visual perception, serving as a fundamental tool for quantifying quality degradation across video processing workflows. The dominant…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Linhan Cao , Wei Sun , Xiangyang Zhu , Kaiwei Zhang , Jun Jia , Yicong Peng , Dandan Zhu , Guangtao Zhai , Xiongkuo Min

With the explosive increase of User Generated Content (UGC), UGC video quality assessment (VQA) becomes more and more important for improving users' Quality of Experience (QoE). However, most existing UGC VQA studies only focus on the…

图像与视频处理 · 电气工程与系统科学 2024-01-18 Yuqin Cao , Xiongkuo Min , Wei Sun , Xiaoping Zhang , Guangtao Zhai

With the rapid advancement of video generation models such as Sora, video quality assessment (VQA) is becoming increasingly crucial for selecting high-quality videos from large-scale datasets used in pre-training. Traditional VQA methods,…

计算机视觉与模式识别 · 计算机科学 2025-09-16 Yanyun Pu , Kehan Li , Zeyi Huang , Zhijie Zhong , Kaixiang Yang

Blind video quality assessment (BVQA) plays an indispensable role in monitoring and improving the end-users' viewing experience in various real-world video-enabled media applications. As an experimental field, the improvements of BVQA…

计算机视觉与模式识别 · 计算机科学 2024-04-04 Wei Sun , Wen Wen , Xiongkuo Min , Long Lan , Guangtao Zhai , Kede Ma

We propose a perceptual video quality assessment (PVQA) metric for distorted videos by analyzing the power spectral density (PSD) of a group of pictures. This is an estimation approach that relies on the changes in video dynamic calculated…

计算机视觉与模式识别 · 计算机科学 2018-12-14 Mohammed A. Aabed , Gukyeong Kwon , Ghassan AlRegib

The advent and proliferation of large multi-modal models (LMMs) have introduced new paradigms to computer vision, transforming various tasks into a unified visual question answering framework. Video Quality Assessment (VQA), a classic field…

计算机视觉与模式识别 · 计算机科学 2024-12-03 Ziheng Jia , Zicheng Zhang , Jiaying Qian , Haoning Wu , Wei Sun , Chunyi Li , Xiaohong Liu , Weisi Lin , Guangtao Zhai , Xiongkuo Min

In recent years, deep learning has achieved promising success for multimedia quality assessment, especially for image quality assessment (IQA). However, since there exist more complex temporal characteristics in videos, very little work has…

图像与视频处理 · 电气工程与系统科学 2020-09-09 Wei Zhou , Zhibo Chen

This paper presents a novel approach for reduced-reference video quality assessment (VQA), developed as part of the recent VQA Grand Challenge. Our method leverages low-level complexity and structural information from reference and test…

多媒体 · 计算机科学 2025-06-12 Amritha Premkumar , Prajit T Rajendran , Vignesh V Menon

Deep learning-based video quality assessment (deep VQA) has demonstrated significant potential in surpassing conventional metrics, with promising improvements in terms of correlation with human perception. However, the practical deployment…

图像与视频处理 · 电气工程与系统科学 2025-06-03 Chen Feng , Duolikun Danier , Haoran Wang , Fan Zhang , Benoit Vallade , Alex Mackin , David Bull

Text-driven video editing has recently experienced rapid development. Despite this, evaluating edited videos remains a considerable challenge. Current metrics tend to fail to align with human perceptions, and effective quantitative metrics…

计算机视觉与模式识别 · 计算机科学 2024-12-19 Shangkun Sun , Xiaoyu Liang , Songlin Fan , Wenxu Gao , Wei Gao

Self-attention based Transformer has achieved great success in many computer vision tasks. However, its application to video quality assessment (VQA) has not been satisfactory so far. Evaluating the quality of in-the-wild videos is…

计算机视觉与模式识别 · 计算机科学 2023-06-22 Fengchuang Xing , Yuan-Gen Wang , Weixuan Tang , Guopu Zhu , Sam Kwong

Video quality assessment (VQA) remains an important and challenging problem that affects many applications at the widest scales. Recent advances in mobile devices and cloud computing techniques have made it possible to capture, process, and…

图像与视频处理 · 电气工程与系统科学 2022-01-06 Qi Zheng , Zhengzhong Tu , Pavan C. Madhusudana , Xiaoyang Zeng , Alan C. Bovik , Yibo Fan

Perceptual quality assessment of the videos acquired in the wilds is of vital importance for quality assurance of video services. The inaccessibility of reference videos with pristine quality and the complexity of authentic distortions pose…

图像与视频处理 · 电气工程与系统科学 2022-04-06 Bowen Li , Weixia Zhang , Meng Tian , Guangtao Zhai , Xianpei Wang