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Image quality assessment (IQA) aims to estimate human perception based image visual quality. Although existing deep neural networks (DNNs) have shown significant effectiveness for tackling the IQA problem, it still needs to improve the…

Image and Video Processing · Electrical Eng. & Systems 2020-12-04 Wei Zhou , Zhibo Chen

Current full-reference image quality assessment (FR-IQA) methods often fuse features from reference and distorted images, overlooking that color and luminance distortions occur mainly at low frequencies, whereas edge and texture distortions…

Image and Video Processing · Electrical Eng. & Systems 2024-12-23 Xuekai Wei , Junyu Zhang , Qinlin Hu , Mingliang Zhou\\Yong Feng , Weizhi Xian , Huayan Pu , Sam Kwong

Traditional in the wild image quality assessment (IQA) models are generally trained with the quality labels of mean opinion score (MOS), while missing the rich subjective quality information contained in the quality ratings, for example,…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Xiongkuo Min , Yixuan Gao , Yuqin Cao , Guangtao Zhai , Wenjun Zhang , Huifang Sun , Chang Wen Chen

Real-world image restoration aims to restore high-quality (HQ) images from degraded low-quality (LQ) inputs captured under uncontrolled conditions. Existing methods typically depend on ground-truth (GT) supervision, assuming that GT…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Fengyang Xiao , Peng Hu , Lei Xu , XingE Guo , Guanyi Qin , Yuqi Shen , Chengyu Fang , Rihan Zhang , Chunming He , Sina Farsiu

Image Quality Assessment (IQA) plays a vital role in applications such as image compression, restoration, and multimedia streaming. However, existing metrics often struggle to generalize across diverse image types - particularly between…

Image and Video Processing · Electrical Eng. & Systems 2025-08-26 Mohtashim Baqar , Sian Lun Lau , Mansoor Ebrahim

In this paper, we propose a Physical Imaging Guided perceptual framework for Underwater Image Quality Assessment (UIQA), termed PIGUIQA. First, we formulate UIQA as a comprehensive problem that considers the combined effects of direct…

Image and Video Processing · Electrical Eng. & Systems 2025-12-23 Weizhi Xian , Mingliang Zhou , Leong Hou U , Zhengguo Li

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

Image Quality Assessment (IQA) constitutes a fundamental task within the field of computer vision, yet it remains an unresolved challenge, owing to the intricate distortion conditions, diverse image contents, and limited availability of…

Computer Vision and Pattern Recognition · Computer Science 2023-08-24 Kangmin Xu , Liang Liao , Jing Xiao , Chaofeng Chen , Haoning Wu , Qiong Yan , Weisi Lin

IQUAFLOW is a new image quality framework that provides a set of tools to assess image quality. The user can add custom metrics that can be easily integrated. Furthermore, iquaflow allows to measure quality by using the performance of AI…

Computer Vision and Pattern Recognition · Computer Science 2022-10-25 P. Gallés , K. Takats , M. Hernández-Cabronero , D. Berga , L. Pega , L. Riordan-Chen , C. Garcia , G. Becker , A. Garriga , A. Bukva , J. Serra-Sagristà , D. Vilaseca , J. Marín

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

Significant progress has been made in the past decade for full-reference image quality assessment (FR-IQA). However, new large scale image quality databases have been released for evaluating image quality assessment algorithms. In this…

Image and Video Processing · Electrical Eng. & Systems 2019-07-05 Domonkos Varga

Image composition involves extracting a foreground object from one image and pasting it into another image through Image harmonization algorithms (IHAs), which aim to adjust the appearance of the foreground object to better match the…

Computer Vision and Pattern Recognition · Computer Science 2025-01-03 Zitong Xu , Huiyu Duan , Guangji Ma , Liu Yang , Jiarui Wang , Qingbo Wu , Xiongkuo Min , Guangtao Zhai , Patrick Le Callet

Recently, image quality assessment (IQA) has achieved remarkable progress with the success of deep learning. However, the strict pre-condition of full-reference (FR) methods has limited its application in real scenarios. And the…

Image and Video Processing · Electrical Eng. & Systems 2021-09-17 Jingyu Guo , Wei Wang , Wenming Yang , Qingmin Liao , Jie Zhou

Computed Tomography (CT) is a frequently utilized imaging technology that is employed in the clinical diagnosis of many disorders. However, clinical diagnosis, data storage, and management are posed huge challenges by a huge volume of…

Image and Video Processing · Electrical Eng. & Systems 2024-05-02 Siyi Xun , Qiaoyu Li , Xiaohong Liu , Guangtao Zhai , Mingxiang Wu , Tao Tan

Full-reference image quality assessment (FR-IQA) generally assumes that reference images are of perfect quality. However, this assumption is flawed due to the sensor and optical limitations of modern imaging systems. Moreover, recent…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Du Chen , Tianhe Wu , Kede Ma , Lei Zhang

Full-reference image quality assessment (FR-IQA) models generally operate by measuring the visual differences between a degraded image and its reference. However, existing FR-IQA models including both the classical ones (eg, PSNR and SSIM)…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Kang Xiao , Xu Wang , Yulin He , Baoliang Chen , Xuelin Shen

Computer graphics images (CGIs) are artificially generated by means of computer programs and are widely perceived under various scenarios, such as games, streaming media, etc. In practice, the quality of CGIs consistently suffers from poor…

Computer Vision and Pattern Recognition · Computer Science 2023-11-02 Zicheng Zhang , Wei Sun , Yingjie Zhou , Jun Jia , Zhichao Zhang , Jing Liu , Xiongkuo Min , Guangtao Zhai

Image quality assessment (IQA) is indispensable in clinical practice to ensure high standards, as well as in the development stage of machine learning algorithms that operate on medical images. The popular full reference (FR) IQA measures…

Image Quality Assessment (IQA) models aim to predict perceptual image quality in alignment with human judgments. No-Reference (NR) IQA remains particularly challenging due to the absence of a reference image. While deep learning has…

Image and Video Processing · Electrical Eng. & Systems 2025-07-18 Rajesh Sureddi , Saman Zadtootaghaj , Nabajeet Barman , Alan C. Bovik

Objective assessment of image quality is fundamentally important in many image processing tasks. In this work, we focus on learning blind image quality assessment (BIQA) models which predict the quality of a digital image with no access to…

Computer Vision and Pattern Recognition · Computer Science 2019-04-16 Kede Ma , Wentao Liu , Tongliang Liu , Zhou Wang , Dacheng Tao
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