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相关论文: Assessing Visual Quality of Omnidirectional Videos

200 篇论文

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…

计算机视觉与模式识别 · 计算机科学 2024-03-18 Wen Wen , Mu Li , Yiru Yao , Xiangjie Sui , Yabin Zhang , Long Lan , Yuming Fang , Kede Ma

Point cloud is one of the most widely used digital representation formats for three-dimensional (3D) contents, the visual quality of which may suffer from noise and geometric shift distortions during the production procedure as well as…

计算机视觉与模式识别 · 计算机科学 2023-12-07 Zicheng Zhang , Wei Sun , Yucheng Zhu , Xiongkuo Min , Wei Wu , Ying Chen , Guangtao Zhai

Visual saliency prediction for omnidirectional videos (ODVs) has shown great significance and necessity for omnidirectional videos to help ODV coding, ODV transmission, ODV rendering, etc.. However, most studies only consider visual…

计算机视觉与模式识别 · 计算机科学 2023-11-10 Yuxin Zhu , Xilei Zhu , Huiyu Duan , Jie Li , Kaiwei Zhang , Yucheng Zhu , Li Chen , Xiongkuo Min , Guangtao Zhai

We propose XVO, a semi-supervised learning method for training generalized monocular Visual Odometry (VO) models with robust off-the-self operation across diverse datasets and settings. In contrast to standard monocular VO approaches which…

计算机视觉与模式识别 · 计算机科学 2023-10-10 Lei Lai , Zhongkai Shangguan , Jimuyang Zhang , Eshed Ohn-Bar

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

Objective image quality metrics try to estimate the perceptual quality of the given image by considering the characteristics of the human visual system. However, it is possible that the metrics produce different quality scores even for two…

多媒体 · 计算机科学 2021-01-22 Manri Cheon , Toinon Vigier , Lukáš Krasula , Junghyuk Lee , Patrick Le Callet , Jong-Seok Lee

Video Quality Assessment (VQA), which aims to predict the perceptual quality of a video, has attracted raising attention with the rapid development of streaming media technology, such as Facebook, TikTok, Kwai, and so on. Compared with…

计算机视觉与模式识别 · 计算机科学 2023-08-01 Kun Yuan , Zishang Kong , Chuanchuan Zheng , Ming Sun , Xing Wen

This paper proposes a method for visually explaining the decision-making process of video recognition networks with a temporal extension of occlusion sensitivity analysis, called Adaptive Occlusion Sensitivity Analysis (AOSA). The key idea…

计算机视觉与模式识别 · 计算机科学 2023-08-21 Tomoki Uchiyama , Naoya Sogi , Satoshi Iizuka , Koichiro Niinuma , Kazuhiro Fukui

Dynamic Digital Humans (DDHs) are 3D digital models that are animated using predefined motions and are inevitably bothered by noise/shift during the generation process and compression distortion during the transmission process, which needs…

计算机视觉与模式识别 · 计算机科学 2023-10-25 Zicheng Zhang , Yingjie Zhou , Wei Sun , Xiongkuo Min , Guangtao Zhai

This paper reports on a subjective quality evaluation of static point clouds encoded with the MPEG codecs V-PCC and G-PCC, the deep learning-based codec RS-DLPCC, and the popular Draco codec. 18 subjects visualized 3D representations of…

图像与视频处理 · 电气工程与系统科学 2023-10-31 Joao Prazeres , Rafael Rodrigues , Manuela Pereira , Antonio M. G. Pinheiro

Omnidirectional image (ODI) data is captured with a 360x180 field-of-view, which is much wider than the pinhole cameras and contains richer spatial information than the conventional planar images. Accordingly, omnidirectional vision has…

计算机视觉与模式识别 · 计算机科学 2022-05-25 Hao Ai , Zidong Cao , Jinjing Zhu , Haotian Bai , Yucheng Chen , Lin Wang

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

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

Our aim is to estimate the perspective-effected geometric distortion of a scene from a video feed. In contrast to all previous work we wish to achieve this using from low-level, spatio-temporally local motion features used in commercial…

计算机视觉与模式识别 · 计算机科学 2015-04-22 Ognjen Arandjelovic , Duc-Son Pham , Svetha Venkatesh

We introduce HDRSDR-VQA, a large-scale video quality assessment dataset designed to facilitate comparative analysis between High Dynamic Range (HDR) and Standard Dynamic Range (SDR) content under realistic viewing conditions. The dataset…

计算机视觉与模式识别 · 计算机科学 2025-05-29 Bowen Chen , Cheng-han Lee , Yixu Chen , Zaixi Shang , Hai Wei , Alan C. Bovik

High frame rates have been known to enhance the perceived visual quality of specific video content. However, the lack of investigation of high frame rates has restricted the expansion of this research field particularly in the context of…

图像与视频处理 · 电气工程与系统科学 2020-06-05 Tariq Rahim , Muhammad Arslan Usman , Soo Young Shin

Visual question answering (VQA) systems face significant challenges when adapting to real-world data shifts, especially in multi-modal contexts. While robust fine-tuning strategies are essential for maintaining performance across…

计算机视觉与模式识别 · 计算机科学 2025-06-24 Chengyue Huang , Brisa Maneechotesuwan , Shivang Chopra , Zsolt Kira

Motion estimation is one of the important procedures in the all video encoders. Most of the complexity of the video coder depends on the complexity of the motion estimation step. The original motion estimation algorithm has a remarkable…

图像与视频处理 · 电气工程与系统科学 2018-03-14 Amin Banitalebi , Said Nader-Esfahani , Alireza Nasiri Avanaki

Given a video and a set of input object masks, an omnimatte method aims to decompose the video into semantically meaningful layers containing individual objects along with their associated effects, such as shadows and reflections. Existing…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Yao-Chih Lee , Erika Lu , Sarah Rumbley , Michal Geyer , Jia-Bin Huang , Tali Dekel , Forrester Cole

Visual question answering (VQA) is one of the crucial vision-and-language tasks. Yet, existing VQA research has mostly focused on the English language, due to a lack of suitable evaluation resources. Previous work on cross-lingual VQA has…

计算与语言 · 计算机科学 2023-06-12 Chen Liu , Jonas Pfeiffer , Anna Korhonen , Ivan Vulić , Iryna Gurevych