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Face Image Quality Assessment (FIQA) aims to assess the recognition utility of face samples and is essential for reliable face recognition (FR) systems. Existing approaches require computationally expensive procedures such as multiple…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Guray Ozgur , Tahar Chettaoui , Eduarda Caldeira , Jan Niklas Kolf , Marco Huber , Andrea Atzori , Naser Damer , Fadi Boutros

With the development of multimedia technology, Augmented Reality (AR) has become a promising next-generation mobile platform. The primary value of AR is to promote the fusion of digital contents and real-world environments, however, studies…

Computer Vision and Pattern Recognition · Computer Science 2022-12-07 Huiyu Duan , Xiongkuo Min , Yucheng Zhu , Guangtao Zhai , Xiaokang Yang , Patrick Le Callet

With the rapid evolution of the Text-to-Image (T2I) model in recent years, their unsatisfactory generation result has become a challenge. However, uniformly refining AI-Generated Images (AIGIs) of different qualities not only limited…

Computer Vision and Pattern Recognition · Computer Science 2024-01-03 Chunyi Li , Haoning Wu , Zicheng Zhang , Hongkun Hao , Kaiwei Zhang , Lei Bai , Xiaohong Liu , Xiongkuo Min , Weisi Lin , Guangtao Zhai

Machine vision systems (MVS) are intrinsically vulnerable to performance degradation under adverse visual conditions. To address this, we propose a machine-centric image quality assessment (MIQA) framework that quantifies the impact of…

Computer Vision and Pattern Recognition · Computer Science 2025-08-28 Xiaoqi Wang , Yun Zhang , Weisi Lin

Image Quality Assessment (IQA) is of great value in the workflow of Magnetic Resonance Imaging (MRI)-based analysis. Blind IQA (BIQA) methods are especially required since high-quality reference MRI images are usually not available.…

Image and Video Processing · Electrical Eng. & Systems 2021-07-16 Kehan Qi , Haoran Li , Chuyu Rong , Yu Gong , Cheng Li , Hairong Zheng , Shanshan Wang

The assessment of face image quality is crucial to ensure reliable face recognition. In order to provide data subjects and operators with explainable and actionable feedback regarding captured face images, relevant quality components have…

Computer Vision and Pattern Recognition · Computer Science 2025-01-08 Laurin Jonientz , Johannes Merkle , Christian Rathgeb , Benjamin Tams , Georg Merz

Diffusion-based models have recently revolutionized image generation, achieving unprecedented levels of fidelity. However, consistent generation of high-quality images remains challenging partly due to the lack of conditioning mechanisms…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Khaled Abud , Sergey Lavrushkin , Alexey Kirillov , Dmitriy Vatolin

Blind image quality assessment (BIQA) of user generated content (UGC) suffers from the range effect which indicates that on the overall quality range, mean opinion score (MOS) and predicted MOS (pMOS) are well correlated; focusing on a…

Image and Video Processing · Electrical Eng. & Systems 2024-10-28 Bingheng Li , Fushuo Huo

Recently deep learning based image compression has made rapid advances with promising results based on objective quality metrics. However, a rigorous subjective quality evaluation on such compression schemes have rarely been reported. This…

Image and Video Processing · Electrical Eng. & Systems 2019-05-13 Zhengxue Cheng , Pinar Akyazi , Heming Sun , Jiro Katto , Touradj Ebrahimi

Development of perceptual image quality assessment (IQA) metrics has been of significant interest to computer vision community. The aim of these metrics is to model quality of an image as perceived by humans. Recent works in Full-reference…

Image and Video Processing · Electrical Eng. & Systems 2022-03-03 Saikat Dutta , Sourya Dipta Das , Nisarg A. Shah

The sensitivity of deep neural networks to compressed images hinders their usage in many real applications, which means classification networks may fail just after taking a screenshot and saving it as a compressed file. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2023-04-24 Li Ma , Peixi Peng , Guangyao Chen , Yifan Zhao , Siwei Dong , Yonghong Tian

Image quality plays an important role in the performance of deep neural networks (DNNs) that have been widely shown to exhibit sensitivity to changes in imaging conditions. Conventional image quality assessment (IQA) seeks to measure and…

Computer Vision and Pattern Recognition · Computer Science 2025-08-06 Nathan Drenkow , Mathias Unberath

Image defocus is inherent in the physics of image formation caused by the optical aberration of lenses, providing plentiful information on image quality. Unfortunately, existing quality enhancement approaches for compressed images neglect…

Image and Video Processing · Electrical Eng. & Systems 2023-03-14 Qunliang Xing , Mai Xu , Xin Deng , Yichen Guo

Image quality assessment (IQA) is the key factor for the fast development of image restoration (IR) algorithms. The most recent IR methods based on Generative Adversarial Networks (GANs) have achieved significant improvement in visual…

Image and Video Processing · Electrical Eng. & Systems 2020-09-29 Jinjin Gu , Haoming Cai , Haoyu Chen , Xiaoxing Ye , Jimmy Ren , Chao Dong

Short-form video poses new challenges to the quality assessment of user-generated content (UGC) due to its complex generation pipeline, rapid content variation, and mixed distortions. To address this challenge, we propose an end-to-end…

Image and Video Processing · Electrical Eng. & Systems 2026-05-20 Xinyi Wang , Angeliki Katsenou , Junxiao Shen , David Bull

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

Full-reference (FR) image quality assessment (IQA) evaluates the visual quality of a distorted image by measuring its perceptual difference with pristine-quality reference, and has been widely used in low-level vision tasks. Pairwise…

Computer Vision and Pattern Recognition · Computer Science 2022-04-20 Yue Cao , Zhaolin Wan , Dongwei Ren , Zifei Yan , Wangmeng Zuo

Blind Image Quality Assessment (BIQA) aims to evaluate image quality in line with human perception, without reference benchmarks. Currently, deep learning BIQA methods typically depend on using features from high-level tasks for transfer…

Computer Vision and Pattern Recognition · Computer Science 2024-01-23 Xudong Li , Jingyuan Zheng , Runze Hu , Yan Zhang , Ke Li , Yunhang Shen , Xiawu Zheng , Yutao Liu , ShengChuan Zhang , Pingyang Dai , Rongrong Ji

In this paper, we introduce an image quality assessment (IQA) method for pediatric T1- and T2-weighted MR images. IQA is first performed slice-wise using a nonlocal residual neural network (NR-Net) and then volume-wise by agglomerating the…

Computer Vision and Pattern Recognition · Computer Science 2020-05-26 Siyuan Liu , Kim-Han Thung , Weili Lin , Pew-Thian Yap , Dinggang Shen

In this letter, a very simple no-reference image quality assessment (NR-IQA) model for JPEG compressed images is proposed. The proposed metric called median of unique gradients (MUG) is based on the very simple facts of unique gradient…

Computer Vision and Pattern Recognition · Computer Science 2016-09-20 Hossein Ziaei Nafchi , Atena Shahkolaei , Rachid Hedjam , Mohamed Cheriet