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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…

Computer Vision and Pattern Recognition · Computer Science 2025-10-17 Nisar Ahmed , Gulshan Saleem , Nazik Alturki , Nada Alasbali

Image Quality Assessment (IQA) is essential in various Computer Vision tasks such as image deblurring and super-resolution. However, most IQA methods require reference images, which are not always available. While there are some…

Image and Video Processing · Electrical Eng. & Systems 2024-05-06 Han Cui , Alfredo De Goyeneche , Efrat Shimron , Boyuan Ma , Michael Lustig

We propose a novel certified defense method for Image Quality Assessment (IQA) models based on randomized smoothing with noise applied in the feature space rather than the input space. Unlike prior approaches that inject Gaussian noise…

Computer Vision and Pattern Recognition · Computer Science 2025-08-08 Ekaterina Shumitskaya , Dmitriy Vatolin , Anastasia Antsiferova

Image quality assessment (IQA) serves as the golden standard for all models' performance in nearly all computer vision fields. However, it still suffers from poor out-of-distribution generalization ability and expensive training costs. To…

Computer Vision and Pattern Recognition · Computer Science 2024-10-11 Kai Liu , Ziqing Zhang , Wenbo Li , Renjing Pei , Fenglong Song , Xiaohong Liu , Linghe Kong , Yulun Zhang

No-reference image quality assessment (NR-IQA) is a fundamental yet challenging task in low-level computer vision community. The difficulty is particularly pronounced for the limited information, for which the corresponding reference for…

Computer Vision and Pattern Recognition · Computer Science 2018-04-06 Kwan-Yee Lin , Guanxiang Wang

No-Reference Image Quality Assessment (NR-IQA) aims to assess the perceptual quality of images in accordance with human subjective perception. Unfortunately, existing NR-IQA methods are far from meeting the needs of predicting accurate…

Computer Vision and Pattern Recognition · Computer Science 2022-04-22 Sidi Yang , Tianhe Wu , Shuwei Shi , Shanshan Lao , Yuan Gong , Mingdeng Cao , Jiahao Wang , Yujiu Yang

Image denoising is a prerequisite for downstream tasks in many fields. Low-dose and photon-counting computed tomography (CT) denoising can optimize diagnostic performance at minimized radiation dose. Supervised deep denoising methods are…

Machine Learning · Computer Science 2022-01-06 Chuang Niu , Mengzhou Li , Fenglei Fan , Weiwen Wu , Xiaodong Guo , Qing Lyu , Ge Wang

No-Reference Image Quality Assessment (NR-IQA), responsible for assessing the quality of a single input image without using any reference, plays a critical role in evaluating and optimizing computer vision systems, e.g., low-light…

Computer Vision and Pattern Recognition · Computer Science 2025-02-24 Yi Yu , Song Xia , Xun Lin , Wenhan Yang , Shijian Lu , Yap-peng Tan , Alex Kot

Magnetic Resonance Imaging (MRI) is a critical tool in modern medical diagnostics, yet its prolonged acquisition time remains a critical limitation, especially in time-sensitive clinical scenarios. While undersampling strategies can…

Image and Video Processing · Electrical Eng. & Systems 2025-10-09 Mohammed Alsubaie , Wenxi Liu , Linxia Gu , Ovidiu C. Andronesi , Sirani M. Perera , Xianqi Li

Existing full-reference image quality assessment (FR-IQA) methods achieve high-precision evaluation by analysing feature differences between reference and distorted images. However, their performance is constrained by the quality of the…

Computer Vision and Pattern Recognition · Computer Science 2026-02-23 Xuting Lan , Mingliang Zhou , Xuekai Wei , Jielu Yan , Yueting Huang , Huayan Pu , Jun Luo , Weijia Jia

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

Magnetic Resonance Imaging (MRI) is an essential diagnostic tool in clinical settings but its utility is often hindered by noise artifacts introduced during the imaging process. Effective denoising is critical for enhancing image quality…

Image and Video Processing · Electrical Eng. & Systems 2025-06-23 Zeyun Deng , Joseph Campbell

The rapid progress of multi-modal large language models (MLLMs) has boosted the task of image quality assessment (IQA). However, a key challenge arises from the inherent mismatch between the discrete token outputs of MLLMs and the…

Computer Vision and Pattern Recognition · Computer Science 2025-11-12 Zhenchen Tang , Songlin Yang , Bo Peng , Zichuan Wang , Jing Dong

Multi-level deep-features have been driving state-of-the-art methods for aesthetics and image quality assessment (IQA). However, most IQA benchmarks are comprised of artificially distorted images, for which features derived from ImageNet…

Image and Video Processing · Electrical Eng. & Systems 2020-01-23 Hanhe Lin , Vlad Hosu , Dietmar Saupe

High-resolution electron microscopy (HREM) imaging technique is a powerful tool for directly visualizing a broad range of materials in real-space. However, it faces challenges in denoising due to ultra-low signal-to-noise ratio (SNR) and…

Image and Video Processing · Electrical Eng. & Systems 2024-11-20 Xuanyu Tian , Zhuoya Dong , Xiyue Lin , Yue Gao , Hongjiang Wei , Yanhang Ma , Jingyi Yu , Yuyao Zhang

In no-reference image quality assessment (NR-IQA), the challenge of limited dataset sizes hampers the development of robust and generalizable models. Conventional methods address this issue by utilizing large datasets to extract rich…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Daekyu Kwon , Dongyoung Kim , Sehwan Ki , Younghyun Jo , Hyong-Euk Lee , Seon Joo Kim

Most existing face image Super-Resolution (SR) methods assume that the Low-Resolution (LR) images were artificially downsampled from High-Resolution (HR) images with bicubic interpolation. This operation changes the natural image…

Computer Vision and Pattern Recognition · Computer Science 2021-02-08 Andreas Aakerberg , Kamal Nasrollahi , Thomas B. Moeslund

Deep learning-based image denoising approaches have been extensively studied in recent years, prevailing in many public benchmark datasets. However, the stat-of-the-art networks are computationally too expensive to be directly applied on…

Image and Video Processing · Electrical Eng. & Systems 2020-10-15 Yuzhi Wang , Haibin Huang , Qin Xu , Jiaming Liu , Yiqun Liu , Jue Wang

Recovering a high-quality image from noisy indirect measurements is an important problem with many applications. For such inverse problems, supervised deep convolutional neural network (CNN)-based denoising methods have shown strong…

Image and Video Processing · Electrical Eng. & Systems 2020-09-16 Allard A. Hendriksen , Daniel M. Pelt , K. Joost Batenburg

The image Super-Resolution (SR) technique has greatly improved the visual quality of images by enhancing their resolutions. It also calls for an efficient SR Image Quality Assessment (SR-IQA) to evaluate those algorithms or their generated…

Image and Video Processing · Electrical Eng. & Systems 2022-05-10 Keke Zhang , Tiesong Zhao , Weiling Chen , Yuzhen Niu , Jinsong Hu