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While recent advancements in large multimodal models (LMMs) have significantly improved their abilities in image quality assessment (IQA) relying on absolute quality rating, how to transfer reliable relative quality comparison outputs to…

计算机视觉与模式识别 · 计算机科学 2024-05-30 Hanwei Zhu , Haoning Wu , Yixuan Li , Zicheng Zhang , Baoliang Chen , Lingyu Zhu , Yuming Fang , Guangtao Zhai , Weisi Lin , Shiqi Wang

No-Reference Image Quality Assessment (NR-IQA) focuses on designing methods to measure image quality in alignment with human perception when a high-quality reference image is unavailable. Most state-of-the-art NR-IQA approaches are…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Lorenzo Agnolucci , Leonardo Galteri , Marco Bertini

We introduce the AIM 2024 UHD-IQA Challenge, a competition to advance the No-Reference Image Quality Assessment (NR-IQA) task for modern, high-resolution photos. The challenge is based on the recently released UHD-IQA Benchmark Database,…

计算机视觉与模式识别 · 计算机科学 2024-09-25 Vlad Hosu , Marcos V. Conde , Lorenzo Agnolucci , Nabajeet Barman , Saman Zadtootaghaj , Radu Timofte

Image Quality Assessment algorithms predict a quality score for a pristine or distorted input image, such that it correlates with human opinion. Traditional methods required a non-distorted "reference" version of the input image to compare…

图像与视频处理 · 电气工程与系统科学 2020-07-21 Subhayan Mukherjee , Giuseppe Valenzise , Irene Cheng

Quality assessment of videos is crucial for many computer graphics applications, including video games, virtual reality, and augmented reality, where visual performance has a significant impact on user experience. When test videos cannot be…

计算机视觉与模式识别 · 计算机科学 2025-10-16 Sipeng Yang , Jiayu Ji , Qingchuan Zhu , Zhiyao Yang , Xiaogang Jin

Blind image quality assessment (BIQA) is a task that predicts the perceptual quality of an image without its reference. Research on BIQA attracts growing attention due to the increasing amount of user-generated images and emerging mobile…

图像与视频处理 · 电气工程与系统科学 2023-03-24 Zhanxuan Mei , Yun-Cheng Wang , Xingze He , Yong Yan , C. -C. Jay Kuo

To support the application scenarios where high-resolution (HR) images are urgently needed, various single image super-resolution (SISR) algorithms are developed. However, SISR is an ill-posed inverse problem, which may bring artifacts like…

图像与视频处理 · 电气工程与系统科学 2022-06-10 Zicheng Zhang , Wei Sun , Xiongkuo Min , Wenhan Zhu , Tao Wang , Wei Lu , 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

No-reference point cloud quality assessment (NR-PCQA) aims to automatically evaluate the perceptual quality of distorted point clouds without available reference, which have achieved tremendous improvements due to the utilization of deep…

计算机视觉与模式识别 · 计算机科学 2024-03-28 Ziyu Shan , Yujie Zhang , Qi Yang , Haichen Yang , Yiling Xu , Jenq-Neng Hwang , Xiaozhong Xu , Shan Liu

This paper addresses the problem of blind stereoscopic image quality assessment (NR-SIQA) using a new multi-task deep learning based-method. In the field of stereoscopic vision, the information is fairly distributed between the left and…

图像与视频处理 · 电气工程与系统科学 2021-06-22 Salima Bourbia , Ayoub Karine , Aladine Chetouani , Mohammed El Hassouni

Current no-reference image quality assessment (NR-IQA) models for enhanced images often struggle to generalize, as they tend to overfit to the distinct patterns of specific enhancement algorithms rather than evaluating genuine perceptual…

计算机视觉与模式识别 · 计算机科学 2026-03-23 Shiqi Gao , Kang Fu , Zitong Xu , Huiyu Duan , Xiongkuo Min , Jia Wang , Guangtao Zhai

The content and distortion are widely recognized as the two primary factors affecting the visual quality of an image. While existing No-Reference Image Quality Assessment (NR-IQA) methods have modeled these factors, they fail to capture the…

计算机视觉与模式识别 · 计算机科学 2025-04-08 Shuai Liu , Qingyu Mao , Chao Li , Jiacong Chen , Fanyang Meng , Yonghong Tian , Yongsheng Liang

Accurate measurement of image quality without reference signals remains a fundamental challenge in low-level visual perception applications. In this paper, we propose a global-local progressive integration model that addresses this…

计算机视觉与模式识别 · 计算机科学 2025-02-25 Xiaoqi Wang , Yun Zhang

Image Quality Assessment (IQA) is a critical task in a wide range of applications but remains challenging due to the subjective nature of human perception and the complexity of real-world image distortions. This study proposes MetaQAP, a…

计算机视觉与模式识别 · 计算机科学 2025-10-17 Nisar Ahmed , Gulshan Saleem , Nazik Alturki , Nada Alasbali

Recent advances in reasoning-induced image quality assessment (IQA) have demonstrated the power of reinforcement learning to rank (RL2R) for training vision-language models (VLMs) to assess perceptual quality. However, existing approaches…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Xiangyong Chen , Xiaochuan Lin , Haoran Liu , Xuan Li , Yichen Su , Xiangwei Guo

Objective:To develop a no-reference image quality assessment method using automated distortion recognition to boost MRI-guided radiotherapy precision.Methods:We analyzed 106,000 MR images from 10 patients with liver metastasis,captured with…

图像与视频处理 · 电气工程与系统科学 2024-12-11 Zilin Wang , Shengqi Chen , Jianrong Dai , Shirui Qin , Ying Cao , Ruiao Zhao , Guohua Wu , Yuan Tang , Jiayun Chen

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

A long-held challenge in no-reference image quality assessment (NR-IQA) learning from human subjective perception is the lack of objective generalization to unseen natural distortions. To address this, we integrate a novel Depth-Guided…

计算机视觉与模式识别 · 计算机科学 2025-06-02 Vaishnav Ramesh , Junliang Liu , Haining Wang , Md Jahidul Islam

Document image quality assessment (DIQA) is an important component for various applications, including optical character recognition (OCR), document restoration, and the evaluation of document image processing systems. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2025-09-23 Zhichao Ma , Fan Huang , Lu Zhao , Fengjun Guo , Guangtao Zhai , Xiongkuo Min

With the development of rendering techniques, computer graphics generated images (CGIs) have been widely used in practical application scenarios such as architecture design, video games, simulators, movies, etc. Different from natural scene…

图形学 · 计算机科学 2022-06-13 Tao Wang , Zicheng Zhang , Wei Sun , Xiongkuo Min , Wei Lu , Guangtao Zhai