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Face Image Quality Assessment (FIQA) is a crucial control step in biometric pipelines. It ensures only reliable samples are processed to maintain system accuracy. State-of-the-art FIQA methods achieve high utility but typically operate as…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Erdi Sarıtaş , Eren Onaran , Vitomir Štruc , Hazım Kemal Ekenel

Existing blind image quality assessment (BIQA) methods focus on designing complicated networks based on convolutional neural networks (CNNs) or transformer. In addition, some BIQA methods enhance the performance of the model in a two-stage…

Computer Vision and Pattern Recognition · Computer Science 2024-02-20 Qunyue Huang , Bin Fang

It is well-known that there is no universal metric for image quality evaluation. In this case, distortion-specific metrics can be more reliable. The artifact imposed by image compression can be considered as a combination of various…

Image and Video Processing · Electrical Eng. & Systems 2024-02-05 S. Farhad Hosseini-Benvidi , Hossein Motamednia , Azadeh Mansouri , Mohammadreza Raei , Ahmad Mahmoudi-Aznaveh

Image Quality Assessment (IQA) algorithms evaluate the perceptual quality of an image using evaluation scores that assess the similarity or difference between two images. We propose a new low-level feature based IQA technique, which applies…

Multimedia · Computer Science 2017-12-04 Navaneeth K. Kottayil , Irene Cheng , Frederic Dufaux , Anup Basu

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

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…

Computer Vision and Pattern Recognition · Computer Science 2025-10-17 Nisar Ahmed , Gulshan Saleem , Nazik Alturki , Nada Alasbali

Face Image Quality Assessment (FIQA) evaluates the utility of a face image for automated face recognition (FR) systems. In this work, we propose PreFIQs, an unsupervised and training-free FIQA framework grounded in the Pruning Identified…

Computer Vision and Pattern Recognition · Computer Science 2026-05-14 Jan Niklas Kolf , Guray Ozgur , Andrea Atzori , Žiga Babnik , Vitomir Štruc , Naser Damer , Fadi Boutros

Face Image Quality Assessment (FIQA) is essential for reliable face recognition systems. Current approaches primarily exploit only final-layer representations, while training-free methods require multiple forward passes or backpropagation.…

Computer Vision and Pattern Recognition · Computer Science 2026-01-12 Guray Ozgur , Eduarda Caldeira , Tahar Chettaoui , Jan Niklas Kolf , Marco Huber , Naser Damer , Fadi Boutros

Face Image Quality Assessment (FIQA) aims to predict the utility of a face image for face recognition (FR) systems. State-of-the-art FIQA methods mainly rely on convolutional neural networks (CNNs), leaving the potential of Vision…

Computer Vision and Pattern Recognition · Computer Science 2025-08-25 Andrea Atzori , Fadi Boutros , Naser Damer

Image contrast was a fundamental factor in visual perception and played a vital role in overall image quality. However, most no reference image quality assessment NR IQA models struggled to accurately evaluate contrast distortions under…

Computer Vision and Pattern Recognition · Computer Science 2025-09-29 Javad Hassannataj Joloudari , Bita Mesbahzadeh , Omid Zare , Emrah Arslan , Roohallah Alizadehsani , Hossein Moosaei

With the advent of image super-resolution (SR) algorithms, how to evaluate the quality of generated SR images has become an urgent task. Although full-reference methods perform well in SR image quality assessment (SR-IQA), their reliance on…

Image and Video Processing · Electrical Eng. & Systems 2024-10-24 Xinying Lin , Xuyang Liu , Hong Yang , Xiaohai He , Honggang Chen

Blind image quality assessment (BIQA) is a task that predicts the perceptual quality of an image without its reference. Research on BIQA attracts growing attention due to the increasing amount of user-generated images and emerging mobile…

Image and Video Processing · Electrical Eng. & Systems 2023-03-24 Zhanxuan Mei , Yun-Cheng Wang , Xingze He , Yong Yan , C. -C. Jay Kuo

Digital images contain a lot of redundancies, therefore, compression techniques are applied to reduce the image size without loss of reasonable image quality. Same become more prominent in the case of videos which contains image sequences…

Computer Vision and Pattern Recognition · Computer Science 2023-05-17 Nisar Ahmed , Hafiz Muhammad Shahzad Asif , Hassan Khalid

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

Reliable image quality assessment is essential in applications where large volumes of images are acquired automatically and must be filtered before further analysis. In many practical scenarios, a pristine reference image is unavailable,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-16 Koffi Titus Sergio Aglin , Anthony K. Muchiri , Celestin Nkundineza

Blind image quality assessment (BIQA) aims to automatically evaluate the perceived quality of a single image, whose performance has been improved by deep learning-based methods in recent years. However, the paucity of labeled data somewhat…

Computer Vision and Pattern Recognition · Computer Science 2023-03-24 Kai Zhao , Kun Yuan , Ming Sun , Mading Li , Xing Wen

A key problem in blind image quality assessment (BIQA) is how to effectively model the properties of human visual system in a data-driven manner. In this paper, we propose a simple and efficient BIQA model based on a novel framework which…

Computer Vision and Pattern Recognition · Computer Science 2019-03-12 Da Pan , Ping Shi , Ming Hou , Zefeng Ying , Sizhe Fu , Yuan Zhang

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

Full-reference image quality assessment (FR-IQA) techniques compare a reference and a distorted/test image and predict the perceptual quality of the test image in terms of a scalar value representing an objective score. The evaluation of…

Computer Vision and Pattern Recognition · Computer Science 2014-12-18 Ashirbani Saha , Q. M. Jonathan Wu

This paper proposes a data driven model to predict the performance of a face recognition system based on image quality features. We model the relationship between image quality features (e.g. pose, illumination, etc.) and recognition…

Computer Vision and Pattern Recognition · Computer Science 2015-10-27 Abhishek Dutta , Raymond Veldhuis , Luuk Spreeuwers