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Existing full-reference image quality assessment (FR-IQA) methods often fail to capture the complex causal mechanisms that underlie human perceptual responses to image distortions, limiting their ability to generalize across diverse…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Wenhao Shen , Mingliang Zhou , Yu Chen , Xuekai Wei , Jun Luo , Huayan Pu , Weijia Jia

Perceptual image quality assessment (IQA) is the task of predicting the visual quality of an image as perceived by a human observer. Current state-of-the-art techniques are based on deep representations trained in discriminative manner.…

Image and Video Processing · Electrical Eng. & Systems 2024-04-30 Simon Raviv , Gal Chechik

360-degree/omnidirectional images (OIs) have achieved remarkable attentions due to the increasing applications of virtual reality (VR). Compared to conventional 2D images, OIs can provide more immersive experience to consumers, benefitting…

Computer Vision and Pattern Recognition · Computer Science 2021-02-24 Wei Zhou , Jiahua Xu , Qiuping Jiang , Zhibo Chen

Image Quality Assessment (IQA) models are employed in many practical image and video processing pipelines to reduce storage, minimize transmission costs, and improve the Quality of Experience (QoE) of millions of viewers. These models are…

Computer Vision and Pattern Recognition · Computer Science 2025-07-24 Krishna Srikar Durbha , Asvin Kumar Venkataramanan , Rajesh Sureddi , Alan C. Bovik

This paper uses robust statistics and curvelet transform to learn a general-purpose no-reference (NR) image quality assessment (IQA) model. The new approach, here called M1, competes with the Curvelet Quality Assessment proposed in 2014…

Computer Vision and Pattern Recognition · Computer Science 2019-02-12 Ramon Giostri Campos , Evandro Ottoni Teatini Salles

Objective image quality assessment (IQA) is imperative in the current multimedia-intensive world, in order to assess the visual quality of an image at close to a human level of ability. Many~parameters such as color intensity, structure,…

Computer Vision and Pattern Recognition · Computer Science 2019-02-27 Md Abu Layek , Sanjida Afroz , TaeChoong Chung , Eui-Nam Huh

Deep Video Quality Assessment (VQA) methods have shown impressive high-performance capabilities. Notably, no-reference (NR) VQA methods play a vital role in situations where obtaining reference videos is restricted or not feasible.…

Image and Video Processing · Electrical Eng. & Systems 2024-07-31 Xiaoheng Tan , Jiabin Zhang , Yuhui Quan , Jing Li , Yajing Wu , Zilin Bian

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 prevalence of user-generated content (UGC) on platforms such as YouTube and TikTok has rendered no-reference (NR) perceptual video quality assessment (VQA) vital for optimizing video delivery. Nonetheless, the characteristics of…

Image and Video Processing · Electrical Eng. & Systems 2025-11-11 Xinyi Wang , Angeliki Katsenou , Junxiao Shen , David Bull

Image quality assessment (IQA) aims to assess the perceptual quality of images. The outputs of the IQA algorithms are expected to be consistent with human subjective perception. In image restoration and enhancement tasks, images generated…

Computer Vision and Pattern Recognition · Computer Science 2021-04-26 Shuwei Shi , Qingyan Bai , Mingdeng Cao , Weihao Xia , Jiahao Wang , Yifan Chen , Yujiu Yang

Due to the existence of quality degradations introduced in various stages of visual signal acquisition, compression, transmission and display, image quality assessment (IQA) plays a vital role in image-based applications. According to…

Image and Video Processing · Electrical Eng. & Systems 2022-04-14 Dongxu Wang

Large Multimodal Models (LMMs) have recently shown remarkable promise in low-level visual perception tasks, particularly in Image Quality Assessment (IQA), demonstrating strong zero-shot capability. However, achieving state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2026-01-14 Kang Fu , Huiyu Duan , Zicheng Zhang , Yucheng Zhu , Jun Zhao , Xiongkuo Min , Jia Wang , Guangtao Zhai

Prompt-based methods, which encode medical priors through descriptive text, have been only minimally explored for CT Image Quality Assessment (IQA). While such prompts can embed prior knowledge about diagnostic quality, they often introduce…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Kazi Ramisa Rifa , Jie Zhang , Abdullah Imran

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

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

The optimization objective of regression-based blind image quality assessment (IQA) models is to minimize the mean prediction error across the training dataset, which can lead to biased parameter estimation due to potential training data…

Computer Vision and Pattern Recognition · Computer Science 2023-10-24 Xiaoqi Wang , Jian Xiong , Hao Gao , Weisi Lin

Image quality assessment (IQA) represents a pivotal challenge in image-focused technologies, significantly influencing the advancement trajectory of image processing and computer vision. Recently, IQA has witnessed a notable surge in…

Computer Vision and Pattern Recognition · Computer Science 2025-02-13 Chengqian Ma , Zhengyi Shi , Zhiqiang Lu , Shenghao Xie , Fei Chao , Yao Sui

Image Quality Assessment algorithms predict a quality score for a pristine or distorted input image, such that it correlates with human opinion. Traditional methods required a non-distorted "reference" version of the input image to compare…

Image and Video Processing · Electrical Eng. & Systems 2020-07-21 Subhayan Mukherjee , Giuseppe Valenzise , Irene Cheng

Neural View Synthesis (NVS) has demonstrated efficacy in generating high-fidelity dense viewpoint videos using a image set with sparse views. However, existing quality assessment methods like PSNR, SSIM, and LPIPS are not tailored for the…

Computer Vision and Pattern Recognition · Computer Science 2024-12-12 Qiang Qu , Hanxue Liang , Xiaoming Chen , Yuk Ying Chung , Yiran Shen

No-Reference Image Quality Assessment (NR-IQA) focuses on designing methods to measure image quality in alignment with human perception when a high-quality reference image is unavailable. Most state-of-the-art NR-IQA approaches are…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Lorenzo Agnolucci , Leonardo Galteri , Marco Bertini
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