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Despite the impressive performance of large multimodal models (LMMs) in high-level visual tasks, their capacity for image quality assessment (IQA) remains limited. One main reason is that LMMs are primarily trained for high-level tasks…

Computer Vision and Pattern Recognition · Computer Science 2025-11-14 Baoliang Chen , Siyi Pan , Dongxu Wu , Liang Xie , Xiangjie Sui , Lingyu Zhu , Hanwei Zhu

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…

Computer Vision and Pattern Recognition · Computer Science 2026-03-23 Shiqi Gao , Kang Fu , Zitong Xu , Huiyu Duan , Xiongkuo Min , Jia Wang , Guangtao Zhai

Recent advancements in the field of No-Reference Image Quality Assessment (NR-IQA) using deep learning techniques demonstrate high performance across multiple open-source datasets. However, such models are typically very large and complex…

Computer Vision and Pattern Recognition · Computer Science 2024-09-09 Nasim Jamshidi Avanaki , Abhijay Ghildyal , Nabajeet Barman , Saman Zadtootaghaj

Full-reference (FR) image quality assessment (IQA) evaluates the visual quality of a distorted image by measuring its perceptual difference with pristine-quality reference, and has been widely used in low-level vision tasks. Pairwise…

Computer Vision and Pattern Recognition · Computer Science 2022-04-20 Yue Cao , Zhaolin Wan , Dongwei Ren , Zifei Yan , Wangmeng Zuo

Existing deep network-based full-reference image quality assessment (FR-IQA) models typically work by performing pairwise comparisons of deep features from the reference and distorted images. In this paper, we approach this problem from a…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Zhen Zhang , Jielei Chu , Tian Zhang , Lin Ma , Fengmao Lv , Weide Liu , Tianrui Li , Yuming Fang

Embodied AI has developed rapidly in recent years, but it is still mainly deployed in laboratories, with various distortions in the Real-world limiting its application. Traditionally, Image Quality Assessment (IQA) methods are applied to…

Computer Vision and Pattern Recognition · Computer Science 2025-10-15 Chunyi Li , Jiaohao Xiao , Jianbo Zhang , Farong Wen , Zicheng Zhang , Yuan Tian , Xiangyang Zhu , Xiaohong Liu , Zhengxue Cheng , Weisi Lin , Guangtao Zhai

Generative adversarial networks (GANs) have achieved impressive results today, but not all generated images are perfect. A number of quantitative criteria have recently emerged for generative model, but none of them are designed for a…

Image and Video Processing · Electrical Eng. & Systems 2020-07-15 Shuyang Gu , Jianmin Bao , Dong Chen , Fang Wen

The 4K content can deliver a more immersive visual experience to consumers due to the huge improvement of spatial resolution. However, existing blind image quality assessment (BIQA) methods are not suitable for the original and upscaled 4K…

Multimedia · Computer Science 2022-06-10 Wei Lu , Wei Sun , Xiongkuo Min , Wenhan Zhu , Quan Zhou , Jun He , Qiyuan Wang , Zicheng Zhang , Tao Wang , Guangtao Zhai

One major problem of objective Image Quality Assessment (IQA) methods is the lack of linearity of their quality estimates with respect to scores expressed by human subjects. For this reason, usually IQA metrics undergo a calibration process…

Computer Vision and Pattern Recognition · Computer Science 2022-05-25 Elio D. Di Claudio , Paolo Giannitrapani , Giovanni Jacovitti

Omnidirectional image quality assessment (OIQA) has been one of the hot topics in IQA with the continuous development of VR techniques, and achieved much success in the past few years. However, most studies devote themselves to the uniform…

Image and Video Processing · Electrical Eng. & Systems 2025-01-22 Jiebin Yan , Jiale Rao , Xuelin Liu , Yuming Fang , Yifan Zuo , Weide Liu

Contemporary face recognition (FR) models achieve near-ideal recognition performance in constrained settings, yet do not fully translate the performance to unconstrained (realworld) scenarios. To help improve the performance and stability…

Computer Vision and Pattern Recognition · Computer Science 2023-05-25 Žiga Babnik , Naser Damer , Vitomir Štruc

Recent advancements in image quality assessment (IQA), driven by sophisticated deep neural network designs, have significantly improved the ability to approach human perceptions. However, most existing methods are obsessed with fitting the…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Shunyu Yao , Ming Liu , Zhilu Zhang , Zhaolin Wan , Zhilong Ji , Jinfeng Bai , Wangmeng Zuo

In this paper, we propose an image quality transformer (IQT) that successfully applies a transformer architecture to a perceptual full-reference image quality assessment (IQA) task. Perceptual representation becomes more important in image…

Computer Vision and Pattern Recognition · Computer Science 2021-05-06 Manri Cheon , Sung-Jun Yoon , Byungyeon Kang , Junwoo Lee

We propose a no-reference image quality assessment (NR-IQA) approach that learns from rankings (RankIQA). To address the problem of limited IQA dataset size, we train a Siamese Network to rank images in terms of image quality by using…

Computer Vision and Pattern Recognition · Computer Science 2017-07-27 Xialei Liu , Joost van de Weijer , Andrew D. Bagdanov

With the advent of image super-resolution (SR) algorithms, how to evaluate the quality of generated SR images has become an urgent task. Although full-reference methods perform well in SR image quality assessment (SR-IQA), their reliance on…

Image and Video Processing · Electrical Eng. & Systems 2024-10-24 Xinying Lin , Xuyang Liu , Hong Yang , Xiaohai He , Honggang Chen

The task of No-Reference Image Quality Assessment (NR-IQA) is to estimate the quality score of an input image without additional information. NR-IQA models play a crucial role in the media industry, aiding in performance evaluation and…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Yujia Liu , Chenxi Yang , Dingquan Li , Jianhao Ding , Tingting Jiang

The design of image and video quality assessment (QA) algorithms is extremely important to benchmark and calibrate user experience in modern visual systems. A major drawback of the state-of-the-art QA methods is their limited ability to…

Image and Video Processing · Electrical Eng. & Systems 2025-12-30 Shankhanil Mitra , Diptanu De , Shika Rao , Rajiv Soundararajan

Deep learning based image quality assessment (IQA) models usually learn to predict image quality from a single dataset, leading the model to overfit specific scenes. To account for this, mixed datasets training can be an effective way to…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Zhaopeng Feng , Keyang Zhang , Shuyue Jia , Baoliang Chen , Shiqi Wang

In this paper, a novel and effective image quality assessment (IQA) algorithm based on frequency disparity for high dynamic range (HDR) images is proposed, termed as local-global frequency feature-based model (LGFM). Motivated by the…

Computer Vision and Pattern Recognition · Computer Science 2022-09-07 Yue Liu , Zhangkai Ni , Shiqi Wang , Hanli Wang , Sam Kwong

Magnetic resonance imaging (MRI) quality assessment is crucial for clinical decision-making, yet remains challenging due to data scarcity and protocol variability. Traditional approaches face fundamental trade-offs: signal-based methods…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Fankai Jia , Daisong Gan , Zhe Zhang , Zhaochi Wen , Chenchen Dan , Dong Liang , Haifeng Wang