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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…

Image and Video Processing · Electrical Eng. & Systems 2022-04-06 Bowen Li , Weixia Zhang , Meng Tian , Guangtao Zhai , Xianpei Wang

Traditional video quality assessment (VQA) methods evaluate localized picture quality and video score is predicted by temporally aggregating frame scores. However, video quality exhibits different characteristics from static image quality…

Image and Video Processing · Electrical Eng. & Systems 2020-03-05 Munan Xu , Junming Chen , Haiqiang Wang , Shan Liu , Ge Li , Zhiqiang Bai

In recent years, several video quality assessment (VQA) methods have been developed, achieving high performance. However, these methods were not specifically trained for enhanced videos, which limits their ability to predict video quality…

Computer Vision and Pattern Recognition · Computer Science 2023-05-16 Ding-Jiun Huang , Yu-Ting Kao , Tieh-Hung Chuang , Ya-Chun Tsai , Jing-Kai Lou , Shuen-Huei Guan

Video transformers have recently emerged as a competitive alternative to 3D CNNs for video understanding. However, due to their large number of parameters and reduced inductive biases, these models require supervised pretraining on…

Computer Vision and Pattern Recognition · Computer Science 2022-04-01 Jue Wang , Gedas Bertasius , Du Tran , Lorenzo Torresani

Despite its wide range of applications, video summarization is still held back by the scarcity of extensive datasets, largely due to the labor-intensive and costly nature of frame-level annotations. As a result, existing video summarization…

Computer Vision and Pattern Recognition · Computer Science 2023-03-29 Hojjat Mokhtarabadi , Kave Bahraman , Mehrdad HosseinZadeh , Mahdi Eftekhari

The objective of non-reference video quality assessment is to evaluate the quality of distorted video without access to reference high-definition references. In this study, we introduce an enhanced spatial perception module, pre-trained on…

Computer Vision and Pattern Recognition · Computer Science 2024-01-17 Zihao Yu , Fengbin Guan , Yiting Lu , Xin Li , Zhibo Chen

Video quality assessment (VQA) is an important processing task, aiming at predicting the quality of videos in a manner highly consistent with human judgments of perceived quality. Traditional VQA models based on natural image and/or video…

Image and Video Processing · Electrical Eng. & Systems 2024-12-12 Qi Zheng , Yibo Fan , Leilei Huang , Tianyu Zhu , Jiaming Liu , Zhijian Hao , Shuo Xing , Chia-Ju Chen , Xiongkuo Min , Alan C. Bovik , Zhengzhong Tu

Recent works in video quality assessment (VQA) typically employ monolithic models that typically predict a single quality score for each test video. These approaches cannot provide diagnostic, interpretable feedback, offering little insight…

Computer Vision and Pattern Recognition · Computer Science 2025-12-03 Chen Feng , Tianhao Peng , Fan Zhang , David Bull

Video Quality Assessment (VQA), which intends to predict the perceptual quality of videos, has attracted increasing attention. Due to factors like motion blur or specific distortions, the quality of different regions in a video varies.…

Computer Vision and Pattern Recognition · Computer Science 2025-03-14 Yunpeng Qu , Kun Yuan , Qizhi Xie , Ming Sun , Chao Zhou , Jian Wang

The ubiquity of camera-enabled mobile devices has lead to large amounts of unlabelled video data being produced at the edge. Although various self-supervised learning (SSL) methods have been proposed to harvest their latent spatio-temporal…

Computer Vision and Pattern Recognition · Computer Science 2022-07-21 Yasar Abbas Ur Rehman , Yan Gao , Jiajun Shen , Pedro Porto Buarque de Gusmao , Nicholas Lane

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

This paper introduces a novel approach named CrossVideo, which aims to enhance self-supervised cross-modal contrastive learning in the field of point cloud video understanding. Traditional supervised learning methods encounter limitations…

Computer Vision and Pattern Recognition · Computer Science 2024-01-30 Yunze Liu , Changxi Chen , Zifan Wang , Li Yi

The rapid development of diffusion models has greatly advanced AI-generated videos in terms of length and consistency recently, yet assessing AI-generated videos still remains challenging. Previous approaches have often focused on…

Computer Vision and Pattern Recognition · Computer Science 2025-01-07 Jiaze Li , Haoran Xu , Shiding Zhu , Junwei He , Haozhao Wang

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…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Ziheng Jia , Zicheng Zhang , Jiaying Qian , Haoning Wu , Wei Sun , Chunyi Li , Xiaohong Liu , Weisi Lin , Guangtao Zhai , Xiongkuo Min

Blind visual quality assessment (BVQA) on 360{\textdegree} video plays a key role in optimizing immersive multimedia systems. When assessing the quality of 360{\textdegree} video, human tends to perceive its quality degradation from the…

Computer Vision and Pattern Recognition · Computer Science 2021-11-19 Li Yang , Mai Xu , Shengxi Li , Yichen Guo , Zulin Wang

Video quality assessment (VQA) methods focus on particular degradation types, usually artificially induced on a small set of reference videos. Hence, most traditional VQA methods under-perform in-the-wild. Deep learning approaches have had…

Multimedia · Computer Science 2021-03-02 Franz Götz-Hahn , Vlad Hosu , Hanhe Lin , Dietmar Saupe

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…

Multimedia · Computer Science 2025-06-12 Amritha Premkumar , Prajit T Rajendran , Vignesh V Menon

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…

Image and Video Processing · Electrical Eng. & Systems 2020-09-09 Wei Zhou , Zhibo Chen

Learning visual representations through self-supervision is an extremely challenging task as the network needs to sieve relevant patterns from spurious distractors without the active guidance provided by supervision. This is achieved…

Computer Vision and Pattern Recognition · Computer Science 2022-06-17 Fatemeh Saleh , Fuwen Tan , Adrian Bulat , Georgios Tzimiropoulos , Brais Martinez

Sequential video understanding, as an emerging video understanding task, has driven lots of researchers' attention because of its goal-oriented nature. This paper studies weakly supervised sequential video understanding where the accurate…

Computer Vision and Pattern Recognition · Computer Science 2023-03-29 Sixun Dong , Huazhang Hu , Dongze Lian , Weixin Luo , Yicheng Qian , Shenghua Gao