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Portrait images typically consist of a salient person against diverse backgrounds. With the development of mobile devices and image processing techniques, users can conveniently capture portrait images anytime and anywhere. However, the…

Computer Vision and Pattern Recognition · Computer Science 2024-05-15 Wei Sun , Weixia Zhang , Yanwei Jiang , Haoning Wu , Zicheng Zhang , Jun Jia , Yingjie Zhou , Zhongpeng Ji , Xiongkuo Min , Weisi Lin , Guangtao Zhai

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

Recent years have witnessed remarkable achievements in perceptual image restoration (IR), creating an urgent demand for accurate image quality assessment (IQA), which is essential for both performance comparison and algorithm optimization.…

Image and Video Processing · Electrical Eng. & Systems 2026-04-01 Xiangfei Sheng , Xiaofeng Pan , Zhichao Yang , Pengfei Chen , Leida Li

Current no-reference image quality assessment (NR-IQA) models for enhanced images often struggle to generalize, as they tend to overfit to the distinct patterns of specific enhancement algorithms rather than evaluating genuine perceptual…

Computer Vision and Pattern Recognition · Computer Science 2026-03-23 Shiqi Gao , Kang Fu , Zitong Xu , Huiyu Duan , Xiongkuo Min , Jia Wang , Guangtao Zhai

Machine learning (ML) models are only as good as the data they are trained on. But recent studies have found datasets widely used to train and evaluate ML models, e.g. ImageNet, to have pervasive labeling errors. Erroneous labels on the…

Machine Learning · Computer Science 2024-01-17 Mononito Goswami , Vedant Sanil , Arjun Choudhry , Arvind Srinivasan , Chalisa Udompanyawit , Artur Dubrawski

No-reference image quality assessment (NR-IQA) aims to quantify how humans perceive visual distortions of digital images without access to their undistorted references. NR-IQA models are extensively studied in computational vision, and are…

Computer Vision and Pattern Recognition · Computer Science 2022-10-04 Weixia Zhang , Dingquan Li , Xiongkuo Min , Guangtao Zhai , Guodong Guo , Xiaokang Yang , Kede Ma

Visual (image, video) quality assessments can be modelled by visual features in different domains, e.g., spatial, frequency, and temporal domains. Perceptual mechanisms in the human visual system (HVS) play a crucial role in generation of…

Image and Video Processing · Electrical Eng. & Systems 2022-08-23 Junyong You , Zheng Zhang

With the increase in multimedia content, the type of distortions associated with multimedia is also increasing. This problem of image quality assessment is expanded well in the PIPAL dataset, which is still an open problem to solve for…

Computer Vision and Pattern Recognition · Computer Science 2022-04-22 Abhisek Keshari , Komal , Sadbhawna , Badri Subudhi

Image aesthetics assessment (IAA) aims to estimate the aesthetics of images. Depending on the content of an image, diverse criteria need to be selected to assess its aesthetics. Existing works utilize pre-trained vision backbones based on…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Zhiwei Xiong , Yunfan Zhang , Zhiqi Shen , Peiran Ren , Han Yu

Image compression has raised widespread interest recently due to its significant importance for multimedia storage and transmission. Meanwhile, a reliable image quality assessment (IQA) for compressed images can not only help to verify the…

Computer Vision and Pattern Recognition · Computer Science 2022-05-10 Jianzhao Liu , Xin Li , Yanding Peng , Tao Yu , Zhibo Chen

In this research, we deal with the problem of visual question answering (VQA) in remote sensing. While remotely sensed images contain information significant for the task of identification and object detection, they pose a great challenge…

Computer Vision and Pattern Recognition · Computer Science 2023-06-27 Jayesh Songara , Shivam Pande , Shabnam Choudhury , Biplab Banerjee , Rajbabu Velmurugan

Deep networks have demonstrated promising results in the field of Image Quality Assessment (IQA). However, there has been limited research on understanding how deep models in IQA work. This study introduces a novel positional masked…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Junyong You , Yuan Lin , Jari Korhonen

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

Blind image quality assessment (BIQA) remains challenging due to the diversity of distortion and image content variation, which complicate the distortion patterns crossing different scales and aggravate the difficulty of the regression…

Image and Video Processing · Electrical Eng. & Systems 2023-11-06 Qingyi Pan , Ning Guo , Letu Qingge , Jingyi Zhang , Pei Yang

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

Image Quality Assessment (IQA) based on human subjective preferences has undergone extensive research in the past decades. However, with the development of communication protocols, the visual data consumption volume of machines has…

Computer Vision and Pattern Recognition · Computer Science 2025-03-14 Chunyi Li , Yuan Tian , Xiaoyue Ling , Zicheng Zhang , Haodong Duan , Haoning Wu , Ziheng Jia , Xiaohong Liu , Xiongkuo Min , Guo Lu , Weisi Lin , Guangtao Zhai

Textual reasoning has recently been widely adopted in Blind Image Quality Assessment (BIQA). However, it remains unclear how textual information contributes to quality prediction and to what extent text can represent the score-related image…

Computer Vision and Pattern Recognition · Computer Science 2026-03-26 Yuan Li , Shin'ya Nishida

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

In the realm of face image quality assesment (FIQA), method based on sample relative classification have shown impressive performance. However, the quality scores used as pseudo-labels assigned from images of classes with low intra-class…

Computer Vision and Pattern Recognition · Computer Science 2025-05-07 Minsoo Kim , Gi Pyo Nam , Haksub Kim , Haesol Park , Ig-Jae Kim

The no-reference image quality assessment is a challenging domain that addresses estimating image quality without the original reference. We introduce an improved mechanism to extract local and non-local information from images via…

Image and Video Processing · Electrical Eng. & Systems 2024-09-12 Mohammed Alsaafin , Musab Alsheikh , Saeed Anwar , Muhammad Usman