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相关论文: Blind VQA on 360{\deg} Video via Progressively Lea…

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360-degree/omnidirectional images (OIs) have achieved remarkable attentions due to the increasing applications of virtual reality (VR). Compared to conventional 2D images, OIs can provide more immersive experience to consumers, benefitting…

计算机视觉与模式识别 · 计算机科学 2021-02-24 Wei Zhou , Jiahua Xu , Qiuping Jiang , Zhibo Chen

No-reference video quality assessment (NR-VQA) estimates perceptual quality without a reference video, which is often challenging. While recent techniques leverage saliency or transformer attention, they merely address global context of the…

图像与视频处理 · 电气工程与系统科学 2026-01-19 Mayesha Maliha R. Mithila , Mylene C. Q. Farias

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…

计算机视觉与模式识别 · 计算机科学 2024-05-15 Xunchu Zhou , Xiaohong Liu , Yunlong Dong , Tengchuan Kou , Yixuan Gao , Zicheng Zhang , Chunyi Li , Haoning Wu , Guangtao Zhai

Video Question Answering (VideoQA) models enhance understanding and interaction with audiovisual content, making it more accessible, searchable, and useful for a wide range of fields such as education, surveillance, entertainment, and…

计算机视觉与模式识别 · 计算机科学 2026-01-13 Himanshu Patil , Geo Jolly , Ramana Raja Buddala , Ganesh Ramakrishnan , Rohit Saluja

Lowering radiation dose per view and utilizing sparse views per scan are two common CT scan modes, albeit often leading to distorted images characterized by noise and streak artifacts. Blind image quality assessment (BIQA) strives to…

图像与视频处理 · 电气工程与系统科学 2023-10-06 Yongyi Shi , Wenjun Xia , Ge Wang , Xuanqin Mou

Vector Quantization (VQ) has become the cornerstone of tokenization for many multimodal Large Language Models and diffusion synthesis. However, existing VQ paradigms suffer from a fundamental conflict: they enforce discretization before the…

机器学习 · 计算机科学 2026-03-25 Wenhao Zhao , Qiran Zou , Zhouhan Lin , Dianbo Liu

The latest video coding standard H.266/VVC has shown its great improvement in terms of compression performance when compared to its predecessor HEVC standard. Though VVC was implemented with many advanced techniques, it still met the same…

计算机视觉与模式识别 · 计算机科学 2025-04-29 Xiem HoangVan , Hieu Bui Minh , Sang NguyenQuang , Wen-Hsiao Peng

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…

计算机视觉与模式识别 · 计算机科学 2023-12-22 Shreshth Saini , Avinab Saha , Alan C. Bovik

Unsupervised remote photoplethysmography (rPPG) promises to leverage unlabeled video data, but its potential is hindered by a critical challenge: training on low-quality "in-the-wild" videos severely degrades model performance. An essential…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Tianyang Dai , Ming Chang , Yan Chen , Yang Hu

In the video coding process, the perceived quality of a compressed video is evaluated by full-reference quality evaluation metrics. However, it is difficult to obtain reference videos with perfect quality. To solve this problem, it is…

图像与视频处理 · 电气工程与系统科学 2022-05-10 Liqun Lin , Zheng Wang , Jiachen He , Weiling Chen , Yiwen Xu , Tiesong Zhao

Significant progress has been made in the field of video question answering (VideoQA) thanks to deep learning and large-scale pretraining. Despite the presence of sophisticated model structures and powerful video-text foundation models,…

计算机视觉与模式识别 · 计算机科学 2025-07-03 Haopeng Li , Tom Drummond , Mingming Gong , Mohammed Bennamoun , Qiuhong Ke

Blurry video frame interpolation (BVFI) aims to generate high-frame-rate clear videos from low-frame-rate blurry videos, is a challenging but important topic in the computer vision community. Blurry videos not only provide spatial and…

计算机视觉与模式识别 · 计算机科学 2023-10-10 Pengcheng Lei , Zaoming Yan , Tingting Wang , Faming Fang , Guixu Zhang

Most of existing blind omnidirectional image quality assessment (BOIQA) models rely on viewport generation by modeling user viewing behavior or transforming omnidirectional images (OIs) into varying formats; however, these methods are…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Jiebin Yan , Kangcheng Wu , Junjie Chen , Ziwen Tan , Yuming Fang

Video Question Answering (VideoQA) has made significant strides by leveraging multimodal learning to align visual and textual modalities. However, current benchmarks overwhelmingly focus on questions answerable through explicit visual…

计算机视觉与模式识别 · 计算机科学 2026-03-31 Sirnam Swetha , Rohit Gupta , Parth Parag Kulkarni , David G Shatwell , Jeffrey A Chan Santiago , Nyle Siddiqui , Joseph Fioresi , Mubarak Shah

Low latency rates are crucial for online video-based applications, such as video conferencing and cloud gaming, which make improving video quality in online scenarios increasingly important. However, existing quality enhancement methods are…

图像与视频处理 · 电气工程与系统科学 2024-07-11 Zefan Qu , Xinyang Jiang , Yifan Yang , Dongsheng Li , Cairong Zhao

Omnidirectional Videos (or 360{\deg} videos) are widely used in Virtual Reality (VR) to facilitate immersive and interactive viewing experiences. However, the limited spatial resolution in 360{\deg} videos does not allow for each degree of…

多媒体 · 计算机科学 2025-06-19 Arbind Agrahari Baniya , Tsz-Kwan Lee , Peter W. Eklund , Sunil Aryal

Networked video applications, e.g., video conferencing, often suffer from poor visual quality due to unexpected network fluctuation and limited bandwidth. In this paper, we have developed a Quality Enhancement Network (QENet) to reduce the…

图像与视频处理 · 电气工程与系统科学 2019-05-06 Ming Lu , Ming Cheng , Yiling Xu , Shiliang Pu , Qiu Shen , Zhan Ma

In the 360-degree immersive video, a user only views a part of the entire raw video frame based on her viewing direction. However, today's 360-degree video players always fetch the entire panoramic view regardless of users' head movement,…

多媒体 · 计算机科学 2017-04-27 Arnob Ghosh , Vaneet Aggarwal , Feng Qian

Recent multimodal large language models (MLLMs) have shown promising performance on video quality assessment (VQA) tasks. However, adapting them to new scenarios remains expensive due to large-scale retraining and costly mean opinion score…

计算机视觉与模式识别 · 计算机科学 2026-04-15 Xinyue Li , Shubo Xu , Zhichao Zhang , Zhaolin Cai , Yitong Chen , Guangtao Zhai

In this paper, we propose a Physical Imaging Guided perceptual framework for Underwater Image Quality Assessment (UIQA), termed PIGUIQA. First, we formulate UIQA as a comprehensive problem that considers the combined effects of direct…

图像与视频处理 · 电气工程与系统科学 2025-12-23 Weizhi Xian , Mingliang Zhou , Leong Hou U , Zhengguo Li