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Existing deep network-based full-reference image quality assessment (FR-IQA) models typically work by performing pairwise comparisons of deep features from the reference and distorted images. In this paper, we approach this problem from a…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Zhen Zhang , Jielei Chu , Tian Zhang , Lin Ma , Fengmao Lv , Weide Liu , Tianrui Li , Yuming Fang

This paper presents a high-performance general-purpose no-reference (NR) image quality assessment (IQA) method based on image entropy. The image features are extracted from two domains. In the spatial domain, the mutual information between…

Computer Vision and Pattern Recognition · Computer Science 2018-12-31 Xiaoqiao Chen , Qingyi Zhang , Manhui Lin , Guangyi Yang , Chu He

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

We consider the problem of obtaining image quality representations in a self-supervised manner. We use prediction of distortion type and degree as an auxiliary task to learn features from an unlabeled image dataset containing a mixture of…

Computer Vision and Pattern Recognition · Computer Science 2022-06-30 Pavan C. Madhusudana , Neil Birkbeck , Yilin Wang , Balu Adsumilli , Alan C. Bovik

MRI (Magnetic Resonance Imaging) is a technique used to analyze and diagnose the problem defined by images like cancer or tumor in a brain. Physicians require good contrast images for better treatment purpose as it contains maximum…

Computer Vision and Pattern Recognition · Computer Science 2020-03-17 Sakshi Patel , Bharath K P , Rajesh Kumar Muthu

In the last few years, image processing researchers spent a substantial amount of time and effort developing and perfecting image quality assessment algorithms. Bright-field microscopy, for example, produces images whose quality is a…

Image and Video Processing · Electrical Eng. & Systems 2020-03-26 V. A. A. Catanante , O. M. Bruno , J. E. S. Batista Neto

In recent years, the integration of advanced imaging techniques and deep learning methods has significantly advanced computer-aided diagnosis (CAD) systems for breast cancer detection and classification. Transformers, which have shown great…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Mahtab Ranjbar , Mehdi Mohebbi , Mahdi Cherakhloo , Bijan Vosoughi. Vahdat

Self-supervised learning has greatly facilitated medical image analysis by suppressing the training data requirement for real-world applications. Current paradigms predominantly rely on self-supervision within uni-modal image data, thereby…

Computer Vision and Pattern Recognition · Computer Science 2025-03-31 Shaohao Rui , Lingzhi Chen , Zhenyu Tang , Lilong Wang , Mianxin Liu , Shaoting Zhang , Xiaosong Wang

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

In this paper we develop FaceQgen, a No-Reference Quality Assessment approach for face images based on a Generative Adversarial Network that generates a scalar quality measure related with the face recognition accuracy. FaceQgen does not…

Computer Vision and Pattern Recognition · Computer Science 2022-01-04 Javier Hernandez-Ortega , Julian Fierrez , Ignacio Serna , Aythami Morales

In this paper, we quest the capability of transferring the quality of natural scene images to the images that are not acquired by optical cameras (e.g., screen content images, SCIs), rooted in the widely accepted view that the human visual…

Computer Vision and Pattern Recognition · Computer Science 2021-07-07 Baoliang Chen , Haoliang Li , Hongfei Fan , Shiqi Wang

In the clinical diagnosis and treatment of brain tumors, manual image reading consumes a lot of energy and time. In recent years, the automatic tumor classification technology based on deep learning has entered people's field of vision.…

Image and Video Processing · Electrical Eng. & Systems 2021-04-07 Yuhao Zhang , Shuhang Wang , Haoxiang Wu , Kejia Hu , Shufan Ji

Learning a typical image enhancement pipeline involves minimization of a loss function between enhanced and reference images. While L1 and L2 losses are perhaps the most widely used functions for this purpose, they do not necessarily lead…

Computer Vision and Pattern Recognition · Computer Science 2017-12-11 Hossein Talebi , Peyman Milanfar

Quality assessment of videos is crucial for many computer graphics applications, including video games, virtual reality, and augmented reality, where visual performance has a significant impact on user experience. When test videos cannot be…

Computer Vision and Pattern Recognition · Computer Science 2025-10-16 Sipeng Yang , Jiayu Ji , Qingchuan Zhu , Zhiyao Yang , Xiaogang Jin

Magnetic resonance imaging (MRI) is a crucial medical imaging modality. However, long acquisition times remain a significant challenge, leading to increased costs, and reduced patient comfort. Recent studies have shown the potential of…

Computer Vision and Pattern Recognition · Computer Science 2025-07-30 Amirmohammad Shamaei , Alexander Stebner , Salome , Bosshart , Johanna Ospel , Gouri Ginde , Mariana Bento , Roberto Souza

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

Accurate classification of brain tumors from magnetic resonance imaging (MRI) plays a critical role in early diagnosis and effective treatment planning. In this study, we propose a deep learning framework based on Vision Transformers (ViT)…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Faisal Ahmed

Existing free-energy guided No-Reference Image Quality Assessment (NR-IQA) methods still suffer from finding a balance between learning feature information at the pixel level of the image and capturing high-level feature information and the…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Zhaoyang Wang , Bo Hu , Mingyang Zhang , Jie Li , Leida Li , Maoguo Gong , Xinbo Gao

The quality assessment (QA) of restored low light images is an important tool for benchmarking and improving low light restoration (LLR) algorithms. While several LLR algorithms exist, the subjective perception of the restored images has…

Image and Video Processing · Electrical Eng. & Systems 2022-02-07 Vignesh Kannan , Sameer Malik , Rajiv Soundararajan

Good quality of medical images is a prerequisite for the success of subsequent image analysis pipelines. Quality assessment of medical images is therefore an essential activity and for large population studies such as the UK Biobank (UKBB),…

Computer Vision and Pattern Recognition · Computer Science 2018-12-12 Ilkay Oksuz , Bram Ruijsink , Esther Puyol-Anton , James Clough , Gastao Cruz , Aurelien Bustin , Claudia Prieto , Rene Botnar , Daniel Rueckert , Julia A. Schnabel , Andrew P. King