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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…

Image and Video Processing · Electrical Eng. & Systems 2022-05-10 Liqun Lin , Zheng Wang , Jiachen He , Weiling Chen , Yiwen Xu , Tiesong Zhao

Completely blind video quality assessment (VQA) refers to a class of quality assessment methods that do not use any reference videos, human opinion scores or training videos from the target database to learn a quality model. The design of…

Image and Video Processing · Electrical Eng. & Systems 2024-06-25 Shankhanil Mitra , Rajiv Soundararajan

In this paper, we present a novel method of no-reference image quality assessment (NR-IQA), which is to predict the perceptual quality score of a given image without using any reference image. The proposed method harnesses three functions…

Computer Vision and Pattern Recognition · Computer Science 2017-05-30 Diqi Chen , Yizhou Wang , Tianfu Wu , Wen Gao

No-reference video quality assessment (NR-VQA) for user generated content (UGC) is crucial for understanding and improving visual experience. Unlike video recognition tasks, VQA tasks are sensitive to changes in input resolution. Since…

Computer Vision and Pattern Recognition · Computer Science 2023-03-31 Junjie Ke , Tianhao Zhang , Yilin Wang , Peyman Milanfar , Feng Yang

In this paper, we propose a deep learning based video quality assessment (VQA) framework to evaluate the quality of the compressed user's generated content (UGC) videos. The proposed VQA framework consists of three modules, the feature…

Image and Video Processing · Electrical Eng. & Systems 2021-06-03 Wei Sun , Tao Wang , Xiongkuo Min , Fuwang Yi , Guangtao Zhai

With the rapid growth of User-Generated Content (UGC) exchanged between users and sharing platforms, the need for video quality assessment in the wild is increasingly evident. UGC is typically acquired using consumer devices and undergoes…

Image and Video Processing · Electrical Eng. & Systems 2025-03-14 Xinyi Wang , Angeliki Katsenou , David Bull

Video quality assessment (VQA) is now a fast-growing subject, maturing in the full reference (FR) case, yet challenging in the exploding no reference (NR) case. We investigate variants of the popular VMAF video quality assessment algorithm…

Image and Video Processing · Electrical Eng. & Systems 2021-10-11 Pankaj Topiwala , Wei Dai , Jiangfeng Pian , Katalina Biondi , Arvind Krovvidi

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…

Computer Vision and Pattern Recognition · Computer Science 2023-08-01 Kun Yuan , Zishang Kong , Chuanchuan Zheng , Ming Sun , Xing Wen

Video Quality Assessment (VQA) aims to evaluate video quality based on perceptual distortions and human preferences. Despite the promising performance of existing methods using Convolutional Neural Networks (CNNs) and Vision Transformers…

Computer Vision and Pattern Recognition · Computer Science 2025-05-07 Wei-Ting Chen , Yu-Jiet Vong , Yi-Tsung Lee , Sy-Yen Kuo , Qiang Gao , Sizhuo Ma , Jian Wang

In recent years, digital humans have been widely applied in augmented/virtual reality (A/VR), where viewers are allowed to freely observe and interact with the volumetric content. However, the digital humans may be degraded with various…

Computer Vision and Pattern Recognition · Computer Science 2023-10-26 Yingjie Zhou , Zicheng Zhang , Wei Sun , Xiongkuo Min , Xianghe Ma , Guangtao Zhai

The rapid advancement of generative models has led to a growing volume of AI-generated videos, making the automatic quality assessment of such videos increasingly important. Existing AI-generated content video quality assessment (AIGC-VQA)…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Minghao Zou , Gen Liu , Guanghui Yue , Baoquan Zhao , Zhihua Wang , Paul L. Rosin , Hantao Liu , Wei Zhou

No-reference video quality assessment (NR-VQA) for gaming videos is challenging due to limited human-rated datasets and unique content characteristics including fast motion, stylized graphics, and compression artifacts. We present MTL-VQA,…

Image and Video Processing · Electrical Eng. & Systems 2026-02-20 Yu-Chih Chen , Michael Wang , Chieh-Dun Wen , Kai-Siang Ma , Avinab Saha , Li-Heng Chen , Alan Bovik

We present a no-reference video quality model and algorithm that delivers standout performance for High Dynamic Range (HDR) videos, which we call HDR-ChipQA. HDR videos represent wider ranges of luminances, details, and colors than Standard…

Image and Video Processing · Electrical Eng. & Systems 2023-04-27 Joshua P. Ebenezer , Zaixi Shang , Yongjun Wu , Hai Wei , Sriram Sethuraman , Alan C. Bovik

The goal of No-Reference Image Quality Assessment (NR-IQA) is to estimate the perceptual image quality in accordance with subjective evaluations, it is a complex and unsolved problem due to the absence of the pristine reference image. In…

Image and Video Processing · Electrical Eng. & Systems 2022-01-06 S. Alireza Golestaneh , Saba Dadsetan , Kris M. Kitani

We study the visual quality judgments of human subjects on digital human avatars (sometimes referred to as "holograms" in the parlance of virtual reality [VR] and augmented reality [AR] systems) that have been subjected to distortions. We…

Image and Video Processing · Electrical Eng. & Systems 2024-10-04 Yu-Chih Chen , Avinab Saha , Alexandre Chapiro , Christian Häne , Jean-Charles Bazin , Bo Qiu , Stefano Zanetti , Ioannis Katsavounidis , Alan C. Bovik

Video quality is a primary concern for video service providers. In recent years, the techniques of video quality assessment (VQA) based on deep convolutional neural networks (CNNs) have been developed rapidly. Although existing works…

Image and Video Processing · Electrical Eng. & Systems 2022-10-11 Ao-Xiang Zhang , Yuan-Gen Wang , Weixuan Tang , Leida Li , Sam Kwong

Quality assessment for User Generated Content (UGC) videos plays an important role in ensuring the viewing experience of end-users. Previous UGC video quality assessment (VQA) studies either use the image recognition model or the image…

Computer Vision and Pattern Recognition · Computer Science 2022-10-21 Wei Sun , Xiongkuo Min , Wei Lu , Guangtao Zhai

Blind or no-reference image quality assessment (NR-IQA) is a fundamental, unsolved, and yet challenging problem due to the unavailability of a reference image. It is vital to the streaming and social media industries that impact billions of…

Computer Vision and Pattern Recognition · Computer Science 2020-06-09 S. Alireza Golestaneh , Kris Kitani

The visual quality of point clouds plays a crucial role in the development and broadcasting of immersive media. Therefore, investigating point cloud quality assessment (PCQA) is instrumental in facilitating immersive media applications,…

Image and Video Processing · Electrical Eng. & Systems 2025-01-28 Yipeng Liu , Qi Yang , Yujie Zhang , Yiling Xu , Le Yang , Xiaozhong Xu , Shan Liu

We present a novel no-reference quality assessment metric, the image transferred point cloud quality assessment (IT-PCQA), for 3D point clouds. For quality assessment, deep neural network (DNN) has shown compelling performance on…

Computer Vision and Pattern Recognition · Computer Science 2022-03-14 Qi Yang , Yipeng Liu , Siheng Chen , Yiling Xu , Jun Sun