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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.…

图像与视频处理 · 电气工程与系统科学 2024-04-30 Simon Raviv , Gal Chechik

In multimedia broadcasting, no-reference image quality assessment (NR-IQA) is used to indicate the user-perceived quality of experience (QoE) and to support intelligent data transmission while optimizing user experience. This paper proposes…

图像与视频处理 · 电气工程与系统科学 2024-12-11 Qiang Qu , Xiaoming Chen , Vera Chung , Zhibo Chen

The performance of objective image quality assessment (IQA) models has been evaluated primarily by comparing model predictions to human quality judgments. Perceptual datasets gathered for this purpose have provided useful benchmarks for…

图像与视频处理 · 电气工程与系统科学 2021-01-25 Keyan Ding , Kede Ma , Shiqi Wang , Eero P. Simoncelli

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…

计算机视觉与模式识别 · 计算机科学 2022-05-25 Elio D. Di Claudio , Paolo Giannitrapani , Giovanni Jacovitti

Document image quality assessment (DIQA) is an important component for various applications, including optical character recognition (OCR), document restoration, and the evaluation of document image processing systems. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2025-09-23 Zhichao Ma , Fan Huang , Lu Zhao , Fengjun Guo , Guangtao Zhai , Xiongkuo Min

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…

计算机视觉与模式识别 · 计算机科学 2024-10-08 Daekyu Kwon , Dongyoung Kim , Sehwan Ki , Younghyun Jo , Hyong-Euk Lee , Seon Joo Kim

Current no-reference image quality assessment (NR-IQA) models for enhanced images often struggle to generalize, as they tend to overfit to the distinct patterns of specific enhancement algorithms rather than evaluating genuine perceptual…

计算机视觉与模式识别 · 计算机科学 2026-03-23 Shiqi Gao , Kang Fu , Zitong Xu , Huiyu Duan , Xiongkuo Min , Jia Wang , Guangtao Zhai

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…

计算机视觉与模式识别 · 计算机科学 2025-02-13 Chengqian Ma , Zhengyi Shi , Zhiqiang Lu , Shenghao Xie , Fei Chao , Yao Sui

Generative models for image restoration, enhancement, and generation have significantly improved the quality of the generated images. Surprisingly, these models produce more pleasant images to the human eye than other methods, yet, they may…

图像与视频处理 · 电气工程与系统科学 2022-04-28 Marcos V. Conde , Maxime Burchi , Radu Timofte

Latest advances in Super-Resolution (SR) have been tested with general purpose images such as faces, landscapes and objects, mainly unused for the task of super-resolving Earth Observation (EO) images. In this research paper, we benchmark…

计算机视觉与模式识别 · 计算机科学 2022-10-17 David Berga , Pau Gallés , Katalin Takáts , Eva Mohedano , Laura Riordan-Chen , Clara Garcia-Moll , David Vilaseca , Javier Marín

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…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Lorenzo Agnolucci , Leonardo Galteri , Marco Bertini

Learning-based image quality assessment (IQA) has made remarkable progress in the past decade, but nearly all consider the two key components -- model and data -- in isolation. Specifically, model-centric IQA focuses on developing…

计算机视觉与模式识别 · 计算机科学 2023-12-11 Peibei Cao , Dingquan Li , Kede Ma

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…

图像与视频处理 · 电气工程与系统科学 2022-05-10 Keke Zhang , Tiesong Zhao , Weiling Chen , Yuzhen Niu , Jinsong Hu

Numerous single-image super-resolution algorithms have been proposed in the literature, but few studies address the problem of performance evaluation based on visual perception. While most super-resolution images are evaluated by…

计算机视觉与模式识别 · 计算机科学 2016-12-20 Chao Ma , Chih-Yuan Yang , Xiaokang Yang , Ming-Hsuan Yang

Super-resolution (SR) applied to real-world low-resolution (LR) images often results in complex, irregular degradations that stem from the inherent complexity of natural scene acquisition. In contrast to SR artifacts arising from synthetic…

计算机视觉与模式识别 · 计算机科学 2026-02-12 Kian Majlessi , Amir Masoud Soltani , Mohammad Ebrahim Mahdavi , Aurelien Gourrier , Peyman Adibi

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…

计算机视觉与模式识别 · 计算机科学 2025-10-17 Nisar Ahmed , Gulshan Saleem , Nazik Alturki , Nada Alasbali

Image Quality Assessment (IQA) is a fundamental task in computer vision that has witnessed remarkable progress with deep neural networks. Inspired by the characteristics of the human visual system, existing methods typically use a…

计算机视觉与模式识别 · 计算机科学 2023-08-08 Chaofeng Chen , Jiadi Mo , Jingwen Hou , Haoning Wu , Liang Liao , Wenxiu Sun , Qiong Yan , Weisi Lin

Visual (image, video) quality assessments can be modelled by visual features in different domains, e.g., spatial, frequency, and temporal domains. Perceptual mechanisms in the human visual system (HVS) play a crucial role in generation of…

图像与视频处理 · 电气工程与系统科学 2022-08-23 Junyong You , Zheng Zhang

Image quality that is consistent with human opinion is assessed by a perceptual image quality assessment (IQA) that defines/utilizes a computational model. A good model should take effectiveness and efficiency into consideration, but most…

计算机视觉与模式识别 · 计算机科学 2018-10-17 Huizhen Jia , Lu Zhang , Tonghan Wang

The goal of full-reference image quality assessment (FR-IQA) is to predict the quality of an image as perceived by human observers with using its pristine, reference counterpart. In this study, we explore a novel, combined approach which…

计算机视觉与模式识别 · 计算机科学 2020-12-04 Domonkos Varga