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Traditional image quality assessment metrics like Mean Squared Error and Structural Similarity Index often fail to reflect perceptual quality under complex distortions. We propose the Hybrid Image Resolution Quality Metric (HIRQM),…

Image and Video Processing · Electrical Eng. & Systems 2025-05-06 Vineesh Kumar Reddy Mondem

Over the past decades, numerous Image Quality Assessment (IQA) models have emerged, aiming to predict the perceptual quality of images. However, individual models are often biased toward certain types of image content or distortions,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Zhongling Wang , Raymond Zhou , Shahrukh Athar , Wenbo Yang , Zhou Wang

Image Quality Assessment (IQA) with references plays an important role in optimizing and evaluating computer vision tasks. Traditional methods assume that all pixels of the reference and test images are fully aligned. Such Aligned-Reference…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Keke Zhang , Weiling Chen , Tiesong Zhao , Zhou Wang

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

Synthetic medical image data can unlock the potential of deep learning (DL)-based clinical decision support (CDS) systems through the creation of large scale, privacy-preserving, training sets. Despite the significant progress in this…

Computer Vision and Pattern Recognition · Computer Science 2025-12-22 Panagiota Gatoula , George Dimas , Dimitris K. Iakovidis

Image quality assessment (IQA) algorithms aim to reproduce the human's perception of the image quality. The growing popularity of image enhancement, generation, and recovery models instigated the development of many methods to assess their…

Image and Video Processing · Electrical Eng. & Systems 2023-02-17 Segrey Kastryulin , Jamil Zakirov , Nicola Pezzotti , Dmitry V. Dylov

In this work, we introduce Gradient Siamese Network (GSN) for image quality assessment. The proposed method is skilled in capturing the gradient features between distorted images and reference images in full-reference image quality…

Image and Video Processing · Electrical Eng. & Systems 2022-08-09 Heng Cong , Lingzhi Fu , Rongyu Zhang , Yusheng Zhang , Hao Wang , Jiarong He , Jin Gao

In recent years, there has been widespread attention drawn to convolutional neural network (CNN) based blind image quality assessment (IQA). A large number of works start by extracting deep features from CNN. Then, those features are…

Computer Vision and Pattern Recognition · Computer Science 2022-09-30 Tongda Xu , Yifan Shao , Yan Wang , Hongwei Qin

Gaussian Splatting (GS) has recently emerged as a promising technique for 3D object reconstruction, delivering high-quality rendering results with significantly improved reconstruction speed. As variants continue to appear, assessing the…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Tianang Chen , Jian Jin , Shilv Cai , Zhuangzi Li , Weisi Lin

Image quality assessment(IQA) is of increasing importance for image-based applications. Its purpose is to establish a model that can replace humans for accurately evaluating image quality. According to whether the reference image is…

Image and Video Processing · Electrical Eng. & Systems 2022-01-12 Lanjiang Wang

In this paper, we exploit the flexibility of multi-objective fitness functions, and the efficiency of the model structure selection ability of a standard genetic programming (GP) with the parameter estimation power of classical regression…

Multimedia · Computer Science 2018-01-19 Naima Merzougui , Naima Merzougui

Several existing and successful full reference image quality assessment (IQA) models use linear color transformation and downsampling before measuring similarity or quality of images. This paper indicates to the right order of these two…

Multimedia · Computer Science 2016-06-21 Hossein Ziaei Nafchi , Mohamed Cheriet

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

No-reference image quality assessment (NR-IQA) aims to measure the image quality without reference image. However, contrast distortion has been overlooked in the current research of NR-IQA. In this paper, we propose a very simple but…

Computer Vision and Pattern Recognition · Computer Science 2019-04-19 Jia Yan , Jie Li , Xin Fu

Image Quality Assessment (IQA) measures and predicts perceived image quality by human observers. Although recent studies have highlighted the critical influence that variations in the scale of an image have on its perceived quality, this…

Computer Vision and Pattern Recognition · Computer Science 2025-08-14 Vlad Hosu , Lorenzo Agnolucci , Daisuke Iso , Dietmar Saupe

Retinal image quality assessment (RIQA) is essential for controlling the quality of retinal imaging and guaranteeing the reliability of diagnoses by ophthalmologists or automated analysis systems. Existing RIQA methods focus on the RGB…

Computer Vision and Pattern Recognition · Computer Science 2020-01-10 Huazhu Fu , Boyang Wang , Jianbing Shen , Shanshan Cui , Yanwu Xu , Jiang Liu , Ling Shao

Image quality assessment (IQA) continues to garner great interest in the research community, particularly given the tremendous rise in consumer video capture and streaming. Despite significant research effort in IQA in the past few decades,…

Multimedia · Computer Science 2016-09-26 Prajna Paramita Dash , Akshaya Mishra , Alexander Wong

Positron Emission Tomography / Computed Tomography (PET/CT) plays a critical role in medical imaging, combining functional and anatomical information to aid in accurate diagnosis. However, image quality degradation due to noise, compression…

Image and Video Processing · Electrical Eng. & Systems 2025-06-26 Siqiao Li , Chen Hui , Wei Zhang , Rui Liang , Chenyue Song , Feng Jiang , Haiqi Zhu , Zhixuan Li , Hong Huang , Xiang Li

This paper presents a full-reference image quality estimator based on color, structure, and visual system characteristics denoted as CSV. In contrast to the majority of existing methods, we quantify perceptual color degradations rather than…

Computer Vision and Pattern Recognition · Computer Science 2018-11-14 Dogancan Temel , Ghassan AlRegib

Deep-learning based techniques have contributed to the remarkable progress in the field of automatic image quality assessment (IQA). Existing IQA methods are designed to measure the quality of an image in terms of Mean Opinion Score (MOS)…

Image and Video Processing · Electrical Eng. & Systems 2022-06-15 Wook-Hyung Kim , Cheul-hee Hahm , Anant Baijal , Namuk Kim , Ilhyun Cho , Jayoon Koo