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The goal in a blind image quality assessment (BIQA) model is to simulate the process of evaluating images by human eyes and accurately assess the quality of the image. Although many approaches effectively identify degradation, they do not…

Computer Vision and Pattern Recognition · Computer Science 2021-10-14 Guangyi Yang , Yang Zhan. , Yuxuan Wang

No-Reference Image Quality Assessment (NR-IQA) aims at estimating image quality in accordance with subjective human perception. However, most methods focus on exploring increasingly complex networks to improve the final…

Computer Vision and Pattern Recognition · Computer Science 2024-09-12 Ronghua Liao , Chen Hui , Lang Yuan , Haiqi Zhu , Feng Jiang

Measuring the perceptual quality of images automatically is an essential task in the area of computer vision, as degradations on image quality can exist in many processes from image acquisition, transmission to enhancing. Many Image Quality…

Computer Vision and Pattern Recognition · Computer Science 2022-05-24 Jing Wang , Haotian Fan , Xiaoxia Hou , Yitian Xu , Tao Li , Xuechao Lu , Lean Fu

Medical imaging systems are commonly assessed and optimized by the use of objective measures of image quality (IQ). The performance of the ideal observer (IO) acting on imaging measurements has long been advocated as a figure-of-merit to…

Medical Physics · Physics 2025-01-17 Kaiyan Li , Prabhat Kc , Hua Li , Kyle J. Myers , Mark A. Anastasio , Rongping Zeng

We introduce a novel Image Quality Assessment (IQA) dataset comprising 6073 UHD-1 (4K) images, annotated at a fixed width of 3840 pixels. Contrary to existing No-Reference (NR) IQA datasets, ours focuses on highly aesthetic photos of high…

Computer Vision and Pattern Recognition · Computer Science 2024-09-05 Vlad Hosu , Lorenzo Agnolucci , Oliver Wiedemann , Daisuke Iso , Dietmar Saupe

With the rapid advancement of Vision Language Models (VLMs), VLM-based Image Quality Assessment (IQA) seeks to describe image quality linguistically to align with human expression and capture the multifaceted nature of IQA tasks. However,…

Computer Vision and Pattern Recognition · Computer Science 2025-12-01 Zhiyuan You , Jinjin Gu , Xin Cai , Zheyuan Li , Kaiwen Zhu , Chao Dong , Tianfan Xue

In this study, our goal is to give a comprehensive evaluation of 32 state-of-the-art FR-IQA metrics using the recently published MDID. This database contains distorted images derived from a set of reference, pristine images using random…

Image and Video Processing · Electrical Eng. & Systems 2019-10-08 Domonkos Varga

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

Traditional Image Quality Assessment (IQA) metrics typically fall into one of two extremes: rigid, hand-crafted mathematical models or "black-box" deep learning architectures that completely lack interpretability. To bridge this gap, we…

Computer Vision and Pattern Recognition · Computer Science 2026-03-18 Ruchika Gupta , Illya Bakurov , Nathan Haut , Wolfgang Banzhaf

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…

Graphics · Computer Science 2022-06-13 Tao Wang , Zicheng Zhang , Wei Sun , Xiongkuo Min , Wei Lu , Guangtao Zhai

Blind Image Quality Assessment (BIQA) aims to develop methods that estimate the quality scores of images in the absence of a reference image. In this paper, we approach BIQA from a distortion identification perspective, where our primary…

Computer Vision and Pattern Recognition · Computer Science 2024-09-12 Sepehr Kazemi Ranjbar , Emad Fatemizadeh

Magnetic resonance imaging (MRI) reconstruction is a fundamental task aimed at recovering high-quality images from undersampled or low-quality MRI data. This process enhances diagnostic accuracy and optimizes clinical applications. In…

Image and Video Processing · Electrical Eng. & Systems 2025-03-11 Xiaoyan Kui , Zijie Fan , Zexin Ji , Qinsong Li , Chengtao Liu , Weixin Si , Beiji Zou

Assessing the visual quality of High Dynamic Range (HDR) images is an unexplored and an interesting research topic that has become relevant with the current boom in HDR technology. We propose a new convolutional neural network based model…

Multimedia · Computer Science 2017-12-21 Navaneeth Kamballur Kottayil , Giuseppe Valenzise , Frederic Dufaux , Irene Cheng

The rapid expansion of mobile internet has resulted in a substantial increase in user-generated content (UGC) images, thereby making the thorough assessment of UGC images both urgent and essential. Recently, multimodal large language models…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Mingxing Li , Rui Wang , Lei Sun , Yancheng Bai , Xiangxiang Chu

Image quality assessment (IQA) is a fundamental metric for image processing tasks (e.g., compression). With full-reference IQAs, traditional IQAs, such as PSNR and SSIM, have been used. Recently, IQAs based on deep neural networks (deep…

Computer Vision and Pattern Recognition · Computer Science 2022-10-12 Koki Tsubota , Hiroaki Akutsu , Kiyoharu Aizawa

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 images and videos can provide immersive experience of real-world scenes in Virtual Reality (VR) environment. We present a perceptual omnidirectional image quality assessment (IQA) study in this paper since it is extremely…

Computer Vision and Pattern Recognition · Computer Science 2022-07-07 Huiyu Duan , Guangtao Zhai , Xiongkuo Min , Yucheng Zhu , Yi Fang , Xiaokang Yang

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

The enormous space and diversity of natural images is usually represented by a few small-scale human-rated image quality assessment (IQA) datasets. This casts great challenges to deep neural network (DNN) based blind IQA (BIQA), which…

Image and Video Processing · Electrical Eng. & Systems 2021-09-28 Shahrukh Athar , Zhongling Wang , Zhou Wang

The rapid advancement of AI-driven visual generation technologies has catalyzed significant breakthroughs in image manipulation, particularly in achieving photorealistic localized editing effects on natural scene images (NSIs). Despite…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Jiaying Qian , Ziheng Jia , Zicheng Zhang , Zeyu Zhang , Guangtao Zhai , Xiongkuo Min