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Due to the scarcity of labeled samples in Image Quality Assessment (IQA) datasets, numerous recent studies have proposed multi-task based strategies, which explore feature information from other tasks or domains to boost the IQA task.…

计算机视觉与模式识别 · 计算机科学 2024-11-13 Li Yu

Blind video quality assessment (BVQA) is a highly challenging task due to the intrinsic complexity of video content and visual distortions, especially given the high popularity of social media videos, which originate from a wide range of…

图像与视频处理 · 电气工程与系统科学 2026-01-06 Wei Sun , Linhan Cao , Jun Jia , Zhichao Zhang , Zicheng Zhang , Xiongkuo Min , Guangtao Zhai

Visual quality assessment (VQA) is increasingly shifting from scalar score prediction toward interpretable quality understanding -- a paradigm that demands \textit{fine-grained spatiotemporal perception} and \textit{auxiliary contextual…

计算机视觉与模式识别 · 计算机科学 2026-01-27 Linhan Cao , Wei Sun , Weixia Zhang , Xiangyang Zhu , Kaiwei Zhang , Jun Jia , Dandan Zhu , Guangtao Zhai , Xiongkuo Min

Video and image quality assessment has long been projected as a regression problem, which requires predicting a continuous quality score given an input stimulus. However, recent efforts have shown that accurate quality score regression on…

计算机视觉与模式识别 · 计算机科学 2021-02-02 Zhengzhong Tu , Chia-Ju Chen , Li-Heng Chen , Yilin Wang , Neil Birkbeck , Balu Adsumilli , Alan C. Bovik

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…

图像与视频处理 · 电气工程与系统科学 2024-10-04 Yu-Chih Chen , Avinab Saha , Alexandre Chapiro , Christian Häne , Jean-Charles Bazin , Bo Qiu , Stefano Zanetti , Ioannis Katsavounidis , Alan C. Bovik

No-Reference Image Quality Assessment (NR-IQA) aims at estimating image quality in accordance with subjective human perception. However, most methods focus on exploring increasingly complex networks to improve the final…

计算机视觉与模式识别 · 计算机科学 2024-09-12 Ronghua Liao , Chen Hui , Lang Yuan , Haiqi Zhu , Feng Jiang

The mobile cloud gaming industry has been rapidly growing over the last decade. When streaming gaming videos are transmitted to customers' client devices from cloud servers, algorithms that can monitor distorted video quality without having…

图像与视频处理 · 电气工程与系统科学 2023-08-31 Yu-Chih Chen , Avinab Saha , Chase Davis , Bo Qiu , Xiaoming Wang , Rahul Gowda , Ioannis Katsavounidis , Alan C. Bovik

User Generated Content (UGC) videos are susceptible to complicated and variant degradations and contents, which prevents the existing blind video quality assessment (BVQA) models from good performance since the lack of the adapability of…

计算机视觉与模式识别 · 计算机科学 2024-06-25 Yajing Pei , Shiyu Huang , Yiting Lu , Xin Li , Zhibo Chen

This paper reviews the AIS 2024 Video Quality Assessment (VQA) Challenge, focused on User-Generated Content (UGC). The aim of this challenge is to gather deep learning-based methods capable of estimating the perceptual quality of UGC…

Audio-visual quality assessment (AVQA) research has been stalled by limitations of existing datasets: they are typically small in scale, with insufficient diversity in content and quality, and annotated only with overall scores. These…

计算机视觉与模式识别 · 计算机科学 2026-02-27 Renyu Yang , Jian Jin , Lili Meng , Meiqin Liu , Yilin Wang , Balu Adsumilli , Weisi Lin

Understanding and reasoning over long videos pose significant challenges for large video language models (LVLMs) due to the difficulty in processing intensive video tokens beyond context window and retaining long-term sequential…

计算机视觉与模式识别 · 计算机科学 2025-10-17 Xiaoqian Shen , Wenxuan Zhang , Jun Chen , Mohamed Elhoseiny

Recently, we have observed an exponential increase of user-generated content (UGC) videos. The distinguished characteristic of UGC videos originates from the video production and delivery chain, as they are usually acquired and processed by…

多媒体 · 计算机科学 2020-05-19 Yang Li , Shengbin Meng , Xinfeng Zhang , Shiqi Wang , Yue Wang , Siwei Ma

High Dynamic Range (HDR) user-generated (UGC) videos are rapidly proliferating across social platforms, yet most perceptual video quality assessment (VQA) systems remain tailored to Standard Dynamic Range (SDR). HDR has a higher bit depth,…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Shreshth Saini , Bowen Chen , Neil Birkbeck , Yilin Wang , Balu Adsumilli , Alan C. Bovik

Point cloud is one of the most widely used digital formats of 3D models, the visual quality of which is quite sensitive to distortions such as downsampling, noise, and compression. To tackle the challenge of point cloud quality assessment…

图像与视频处理 · 电气工程与系统科学 2022-09-21 Yu Fan , Zicheng Zhang , Wei Sun , Xiongkuo Min , Wei Lu , Tao Wang , Ning Liu , Guangtao Zhai

With the rising demand for high-resolution (HR) images, No-Reference Image Quality Assessment (NR-IQA) gains more attention, as it can ecaluate image quality in real-time on mobile devices and enhance user experience. However, existing…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Zewen Chen , Sunhan Xu , Yun Zeng , Haochen Guo , Jian Guo , Shuai Liu , Juan Wang , Bing Li , Weiming Hu , Dehua Liu , Hesong Li

While existing video and image quality datasets have extensively studied natural videos and traditional distortions, the perception of synthetic content and modern rendering artifacts remains underexplored. We present a novel video quality…

图形学 · 计算机科学 2025-06-16 Akshay Jindal , Nabil Sadaka , Manu Mathew Thomas , Anton Sochenov , Anton Kaplanyan

In the mobile communication field, some of the video applications boosted the interest of robust methods for video quality assessment. Out of all existing methods, We Preferred, No Reference Video Quality Assessment is the one which is most…

计算机视觉与模式识别 · 计算机科学 2023-03-10 Amitesh Kumar Singam , Benny Lövström , Wlodek J. Kulesza

This paper presents a high-performance general-purpose no-reference (NR) image quality assessment (IQA) method based on image entropy. The image features are extracted from two domains. In the spatial domain, the mutual information between…

计算机视觉与模式识别 · 计算机科学 2018-12-31 Xiaoqiao Chen , Qingyi Zhang , Manhui Lin , Guangyi Yang , Chu He

The rise in video streaming applications has increased the demand for video quality assessment (VQA). In 2016, Netflix introduced Video Multi-Method Assessment Fusion (VMAF), a full reference VQA metric that strongly correlates with…

多媒体 · 计算机科学 2024-01-25 Vignesh V Menon , Prajit T Rajendran , Reza Farahani , Klaus Schoeffmann , Christian Timmerer

With neural video codecs (NVCs) emerging as promising alternatives for traditional compression methods, it is increasingly important to determine whether existing quality metrics remain valid for evaluating their performance. However, few…

图像与视频处理 · 电气工程与系统科学 2026-05-19 Benjamin Herb , Rakesh Rao Ramachandra Rao , Steve Göring , Alexander Raake