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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…

Image and Video Processing · Electrical Eng. & Systems 2022-04-28 Marcos V. Conde , Maxime Burchi , Radu Timofte

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

Image quality assessment (IQA) aims to estimate human perception based image visual quality. Although existing deep neural networks (DNNs) have shown significant effectiveness for tackling the IQA problem, it still needs to improve the…

Image and Video Processing · Electrical Eng. & Systems 2020-12-04 Wei Zhou , Zhibo Chen

Automated question quality rating (AQQR) aims to evaluate question quality through computational means, thereby addressing emerging challenges in online learnersourced question repositories. Existing methods for AQQR rely solely on…

Computation and Language · Computer Science 2021-11-22 Lin Ni , Qiming Bao , Xiaoxuan Li , Qianqian Qi , Paul Denny , Jim Warren , Michael Witbrock , Jiamou Liu

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…

Computer Vision and Pattern Recognition · Computer Science 2025-02-13 Chengqian Ma , Zhengyi Shi , Zhiqiang Lu , Shenghao Xie , Fei Chao , Yao Sui

Depth perception plays an essential role in the viewer experience for immersive virtual reality (VR) visual environments. However, previous research investigations in the depth quality of 3D/stereoscopic images are rather limited, and in…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Wei Zhou , Zhou Wang

Blind panoramic image quality assessment (BPIQA) has recently brought new challenge to the visual quality community, due to the complex interaction between immersive content and human behavior. Although many efforts have been made to…

Computer Vision and Pattern Recognition · Computer Science 2025-03-06 Jiebin Yan , Ziwen Tan , Jiale Rao , Lei Wu , Yifan Zuo , Yuming Fang

In this paper, we present a simple yet effective continual learning method for blind image quality assessment (BIQA) with improved quality prediction accuracy, plasticity-stability trade-off, and task-order/-length robustness. The key step…

Computer Vision and Pattern Recognition · Computer Science 2024-02-20 Weixia Zhang , Kede Ma , Guangtao Zhai , Xiaokang Yang

The rapid advancement of artificial intelligence and widespread use of smartphones have resulted in an exponential growth of image data, both real (camera-captured) and virtual (AI-generated). This surge underscores the critical need for…

Computer Vision and Pattern Recognition · Computer Science 2025-04-25 Zhiqiang Lao , Heather Yu

We present a deep neural network-based approach to image quality assessment (IQA). The network is trained end-to-end and comprises ten convolutional layers and five pooling layers for feature extraction, and two fully connected layers for…

Computer Vision and Pattern Recognition · Computer Science 2017-12-11 Sebastian Bosse , Dominique Maniry , Klaus-Robert Müller , Thomas Wiegand , Wojciech Samek

Several metrics exist to quantify the similarity between images, but they are inefficient when it comes to measure the similarity of highly distorted images. In this work, we propose to empirically investigate perceptual metrics based on…

Computer Vision and Pattern Recognition · Computer Science 2022-02-18 Rémi Kazmierczak , Gianni Franchi , Nacim Belkhir , Antoine Manzanera , David Filliat

No-reference image quality assessment (NR-IQA) is a fundamental yet challenging task in low-level computer vision community. The difficulty is particularly pronounced for the limited information, for which the corresponding reference for…

Computer Vision and Pattern Recognition · Computer Science 2018-04-06 Kwan-Yee Lin , Guanxiang Wang

The optimization objective of regression-based blind image quality assessment (IQA) models is to minimize the mean prediction error across the training dataset, which can lead to biased parameter estimation due to potential training data…

Computer Vision and Pattern Recognition · Computer Science 2023-10-24 Xiaoqi Wang , Jian Xiong , Hao Gao , Weisi Lin

As super-resolution (SR) techniques advance, we observe a growing distrust of evaluation metrics in recent SR research. An inconsistency often emerges between certain evaluation criteria and human perceptual preference. Although current SR…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Shaolin Su , Josep M. Rocafort , Danna Xue , David Serrano-Lozano , Lei Sun , Javier Vazquez-Corral

Assessing the visual quality of High Dynamic Range (HDR) images is an unexplored and an interesting research topic that has become relevant with the current boom in HDR technology. We propose a new convolutional neural network based model…

Multimedia · Computer Science 2017-12-21 Navaneeth Kamballur Kottayil , Giuseppe Valenzise , Frederic Dufaux , Irene Cheng

Perceptual quality assessment of the videos acquired in the wilds is of vital importance for quality assurance of video services. The inaccessibility of reference videos with pristine quality and the complexity of authentic distortions pose…

Image and Video Processing · Electrical Eng. & Systems 2022-04-06 Bowen Li , Weixia Zhang , Meng Tian , Guangtao Zhai , Xianpei Wang

Blind or no-reference (NR) perceptual picture quality prediction is a difficult, unsolved problem of great consequence to the social and streaming media industries that impacts billions of viewers daily. Unfortunately, popular NR prediction…

Computer Vision and Pattern Recognition · Computer Science 2019-12-24 Zhenqiang Ying , Haoran Niu , Praful Gupta , Dhruv Mahajan , Deepti Ghadiyaram , Alan Bovik

Existing full-reference image quality assessment (FR-IQA) methods often fail to capture the complex causal mechanisms that underlie human perceptual responses to image distortions, limiting their ability to generalize across diverse…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Wenhao Shen , Mingliang Zhou , Yu Chen , Xuekai Wei , Jun Luo , Huayan Pu , Weijia Jia

A successful approach to image quality assessment involves comparing the structural information between a distorted and its reference image. However, extracting structural information that is perceptually important to our visual system is a…

Computer Vision and Pattern Recognition · Computer Science 2021-03-17 Tanaya Guha , Ehsan Nezhadarya , Rabab K Ward

Image Quality Assessment (IQA) models benefit significantly from semantic information, which allows them to treat different types of objects distinctly. Currently, leveraging semantic information to enhance IQA is a crucial research…

Computer Vision and Pattern Recognition · Computer Science 2024-05-21 Wensheng Pan , Timin Gao , Yan Zhang , Runze Hu , Xiawu Zheng , Enwei Zhang , Yuting Gao , Yutao Liu , Yunhang Shen , Ke Li , Shengchuan Zhang , Liujuan Cao , Rongrong Ji