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相关论文: Assessing Visual Quality of Omnidirectional Videos

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Previous blind or No Reference (NR) video quality assessment (VQA) models largely rely on features drawn from natural scene statistics (NSS), but under the assumption that the image statistics are stationary in the spatial domain. Several…

图像与视频处理 · 电气工程与系统科学 2022-07-27 Yize Jin , Anjul Patney , Richard Webb , Alan Bovik

Stereoscopic video technologies have been introduced to the consumer market in the past few years. A key factor in designing a 3D system is to understand how different visual cues and distortions affect the perceptual quality of…

图像与视频处理 · 电气工程与系统科学 2018-03-14 Amin Banitalebi-Dehkordi , Mahsa T. Pourazad , Panos Nasiopoulos

A key factor in designing 3D systems is to understand how different visual cues and distortions affect the perceptual quality of 3D video. The ultimate way to assess video quality is through subjective tests. However, subjective evaluation…

计算机视觉与模式识别 · 计算机科学 2018-03-14 Amin Banitalebi Dehkordi

As virtual reality gains popularity, the demand for controllable creation of immersive and dynamic omnidirectional videos (ODVs) is increasing. While previous text-to-ODV generation methods achieve impressive results, they struggle with…

计算机视觉与模式识别 · 计算机科学 2024-12-13 Weiqi Li , Shijie Zhao , Chong Mou , Xuhan Sheng , Zhenyu Zhang , Qian Wang , Junlin Li , Li Zhang , Jian Zhang

Virtual Reality (VR) and its applications have attracted significant and increasing attention. However, the requirements of much larger file sizes, different storage formats, and immersive viewing conditions pose significant challenges to…

图像与视频处理 · 电气工程与系统科学 2022-04-06 Meixu Chen , Yize Jin , Todd Goodall , Xiangxu Yu , Alan C. Bovik

As applications using immersive media gained increased attention from both academia and industry, research in the field of point cloud compression has greatly intensified in recent years, leading to the development of the MPEG compression…

图像与视频处理 · 电气工程与系统科学 2024-11-01 Davi Lazzarotto , Michela Testolina , Touradj Ebrahimi

In recent years, No-Reference Point Cloud Quality Assessment (NR-PCQA) research has achieved significant progress. However, existing methods mostly seek a direct mapping function from visual data to the Mean Opinion Score (MOS), which is…

计算机视觉与模式识别 · 计算机科学 2025-01-20 Yating Liu , Yujie Zhang , Ziyu Shan , Yiling Xu

Video live streaming is gaining prevalence among video streaming services, especially for the delivery of popular sporting events. Many objective Video Quality Assessment (VQA) models have been developed to predict the perceptual quality of…

图像与视频处理 · 电气工程与系统科学 2021-06-17 Zaixi Shang , Joshua P. Ebenezer , Alan C. Bovik , Yongjun Wu , Hai Wei , Sriram Sethuraman

Bit depth adaptation, where the bit depth of a video sequence is reduced before transmission and up-sampled during display, can potentially reduce data rates with limited impact on perceptual quality. In this context, we conducted a…

图像与视频处理 · 电气工程与系统科学 2021-09-17 Alex Mackin , Di Ma , Fan Zhang , David Bull

Owing to the proliferation of user-generated videos on the Internet, blind video quality assessment (BVQA) at the edge attracts growing attention. The usage of deep-learning-based methods is restricted to be applied at the edge due to their…

图像与视频处理 · 电气工程与系统科学 2023-10-31 Zhanxuan Mei , Yun-Cheng Wang , C. -C. Jay Kuo

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

Over the last decade, different technologies to visualize 3D scenes have been introduced and improved. These technologies include stereoscopic, multi-view, integral imaging and holographic types. Despite increasing consumer interest; poor…

多媒体 · 计算机科学 2018-09-24 Md Mehedi Hasan , Michael Frater , John Arnold

A main challenge for tasks on panorama lies in the distortion of objects among images. In this work, we propose a Distortion-Aware Monocular Omnidirectional (DAMO) dense depth estimation network to address this challenge on indoor panoramas…

计算机视觉与模式识别 · 计算机科学 2021-02-24 Hong-Xiang Chen , Kunhong Li , Zhiheng Fu , Mengyi Liu , Zonghao Chen , Yulan Guo

Most recent semi-supervised video object segmentation (VOS) methods rely on fine-tuning deep convolutional neural networks online using the given mask of the first frame or predicted masks of subsequent frames. However, the online…

计算机视觉与模式识别 · 计算机科学 2020-02-18 Yingjie Yin , De Xu , Xingang Wang , Lei Zhang

Blind image quality assessment (BIQA) aims at automatically and accurately forecasting objective scores for visual signals, which has been widely used to monitor product and service quality in low-light applications, covering smartphone…

计算机视觉与模式识别 · 计算机科学 2023-10-10 Miaohui Wang , Zhuowei Xu , Mai Xu , Weisi Lin

Over the past decade, the online video industry has greatly expanded the volume of visual data that is streamed and shared over the Internet. Moreover, because of the increasing ease of video capture, many millions of consumers create and…

图像与视频处理 · 电气工程与系统科学 2021-09-15 Xiangxu Yu , Neil Birkbeck , Yilin Wang , Christos G. Bampis , Balu Adsumilli , Alan C. Bovik

Omnidirectional (360{\deg}) video has got quite popular because it provides a highly immersive viewing experience. For computer vision algorithms, it poses several challenges, like the special (equirectangular) projection commonly employed…

计算机视觉与模式识别 · 计算机科学 2019-07-23 Hannes Fassold

With the rapid development of multimedia processing and deep learning technologies, especially in the field of video understanding, video quality assessment (VQA) has achieved significant progress. Although researchers have moved from…

计算机视觉与模式识别 · 计算机科学 2025-01-14 Jiebin Yan , Lei Wu , Yuming Fang , Xuelin Liu , Xue Xia , Weide Liu

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…

图像与视频处理 · 电气工程与系统科学 2020-03-05 Munan Xu , Junming Chen , Haiqiang Wang , Shan Liu , Ge Li , Zhiqiang Bai

Deep-learning based techniques have contributed to the remarkable progress in the field of automatic image quality assessment (IQA). Existing IQA methods are designed to measure the quality of an image in terms of Mean Opinion Score (MOS)…

图像与视频处理 · 电气工程与系统科学 2022-06-15 Wook-Hyung Kim , Cheul-hee Hahm , Anant Baijal , Namuk Kim , Ilhyun Cho , Jayoon Koo