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Image quality assessment (IQA) is crucial in the evaluation stage of novel algorithms operating on images, including traditional and machine learning based methods. Due to the lack of available quality-rated medical images, most commonly…

Image and Video Processing · Electrical Eng. & Systems 2026-05-01 Anna Breger , Janek Gröhl , Clemens Karner , Thomas R Else , Ian Selby , Tom Rix , Lara-Sophie Witt , Merle Duchêne , Jonathan Weir-McCall , Carola-Bibiane Schönlieb

Image Quality Assessment (IQA) is a challenging task that requires training on massive datasets to achieve accurate predictions. However, due to the lack of IQA data, deep learning-based IQA methods typically rely on pre-trained networks…

Computer Vision and Pattern Recognition · Computer Science 2023-07-11 Xinpeng Li , Ting Jiang , Haoqiang Fan , Shuaicheng Liu

New multinuclear MRI techniques, such as sodium MRI, generally suffer from low image quality due to an inherently low signal. Postprocessing methods, such as image denoising, have been developed for image enhancement. However, the…

The main challenge in applying state-of-the-art deep learning methods to predict image quality in-the-wild is the relatively small size of existing quality scored datasets. The reason for the lack of larger datasets is the massive resources…

Computer Vision and Pattern Recognition · Computer Science 2020-05-26 Hanhe Lin , Vlad Hosu , Dietmar Saupe

We introduce a novel Deep Learning framework, which quantitatively estimates image segmentation quality without the need for human inspection or labeling. We refer to this method as a Quality Assurance Network -- QANet. Specifically, given…

Computer Vision and Pattern Recognition · Computer Science 2019-11-07 Assaf Arbelle , Eliav Elul , Tammy Riklin Raviv

Traditional image quality assessment (IQA) methods rely on mean opinion scores (MOS), which are resource-intensive to collect and fail to provide interpretable, localized feedback on specific image distortions. We overcome these limitations…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Fadeel Sher Khan , Long N. Le , Abhinau K. Venkataramanan , Seok-Jun Lee , Hamid R. Sheikh

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

Image quality assessment is a fundamental problem in the field of image processing, and due to the lack of reference images in most practical scenarios, no-reference image quality assessment (NR-IQA), has gained increasing attention…

Computer Vision and Pattern Recognition · Computer Science 2023-05-17 Jinsong Shi , Pan Gao , Aljosa Smolic

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…

Computer Vision and Pattern Recognition · Computer Science 2026-02-12 Kian Majlessi , Amir Masoud Soltani , Mohammad Ebrahim Mahdavi , Aurelien Gourrier , Peyman Adibi

In this paper we develop a Quality Assessment approach for face recognition based on deep learning. The method consists of a Convolutional Neural Network, FaceQnet, that is used to predict the suitability of a specific input image for face…

Computer Vision and Pattern Recognition · Computer Science 2019-04-05 Javier Hernandez-Ortega , Javier Galbally , Julian Fierrez , Rudolf Haraksim , Laurent Beslay

Conventional image quality metrics (IQMs), such as PSNR and SSIM, are designed for perceptually uniform gamma-encoded pixel values and cannot be directly applied to perceptually non-uniform linear high-dynamic-range (HDR) colors. Similarly,…

Computer Vision and Pattern Recognition · Computer Science 2024-05-02 Andrei Chubarau , Hyunjin Yoo , Tara Akhavan , James Clark

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

While recent advancements in large multimodal models (LMMs) have significantly improved their abilities in image quality assessment (IQA) relying on absolute quality rating, how to transfer reliable relative quality comparison outputs to…

Computer Vision and Pattern Recognition · Computer Science 2024-05-30 Hanwei Zhu , Haoning Wu , Yixuan Li , Zicheng Zhang , Baoliang Chen , Lingyu Zhu , Yuming Fang , Guangtao Zhai , Weisi Lin , Shiqi Wang

Although recent efforts in image quality assessment (IQA) have achieved promising performance, there still exists a considerable gap compared to the human visual system (HVS). One significant disparity lies in humans' seamless transition…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Yi Ke Yun , Weisi Lin

Image quality assessment (IQA) models aim to establish a quantitative relationship between visual images and their perceptual quality by human observers. IQA modeling plays a special bridging role between vision science and engineering…

Image and Video Processing · Electrical Eng. & Systems 2021-02-23 Zhengfang Duanmu , Wentao Liu , Zhongling Wang , Zhou Wang

Evaluating the perceptual quality of Novel View Synthesis (NVS) images remains a key challenge, particularly in the absence of pixel-aligned ground truth references. Full-Reference Image Quality Assessment (FR-IQA) methods fail under…

Computer Vision and Pattern Recognition · Computer Science 2025-11-12 Abhijay Ghildyal , Rajesh Sureddi , Nabajeet Barman , Saman Zadtootaghaj , Alan Bovik

In this work we investigate the use of deep learning for distortion-generic blind image quality assessment. We report on different design choices, ranging from the use of features extracted from pre-trained Convolutional Neural Networks…

Computer Vision and Pattern Recognition · Computer Science 2018-10-03 Simone Bianco , Luigi Celona , Paolo Napoletano , Raimondo Schettini

Blind image quality assessment (IQA) in the wild, which assesses the quality of images with complex authentic distortions and no reference images, presents significant challenges. Given the difficulty in collecting large-scale training…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Honghao Fu , Yufei Wang , Wenhan Yang , Alex C. Kot , Bihan Wen

Recent advancements in image quality assessment (IQA), driven by sophisticated deep neural network designs, have significantly improved the ability to approach human perceptions. However, most existing methods are obsessed with fitting the…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Shunyu Yao , Ming Liu , Zhilu Zhang , Zhaolin Wan , Zhilong Ji , Jinfeng Bai , Wangmeng Zuo

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…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Zhichao Ma , Fan Huang , Lu Zhao , Fengjun Guo , Guangtao Zhai , Xiongkuo Min