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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…

图像与视频处理 · 电气工程与系统科学 2022-04-28 Marcos V. Conde , Maxime Burchi , Radu Timofte

The assessment of the perceptual quality of digital images is becoming increasingly important as a result of the widespread use of digital multimedia devices. Smartphones and high-speed internet are just two examples of technologies that…

计算机视觉与模式识别 · 计算机科学 2023-01-12 Nisar Ahmed , Shahzad Asif

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…

计算机视觉与模式识别 · 计算机科学 2025-08-06 Nathan Drenkow , Mathias Unberath

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…

多媒体 · 计算机科学 2017-12-04 Navaneeth K. Kottayil , Irene Cheng , Frederic Dufaux , Anup Basu

Blind Image Quality Assessment (BIQA) has advanced significantly through deep learning, but the scarcity of large-scale labeled datasets remains a challenge. While synthetic data offers a promising solution, models trained on existing…

计算机视觉与模式识别 · 计算机科学 2026-01-05 Aobo Li , Jinjian Wu , Yongxu Liu , Leida Li , Weisheng Dong

Blind image quality assessment (BIQA), which aims to accurately predict the image quality without any pristine reference information, has been extensively concerned in the past decades. Especially, with the help of deep neural networks,…

多媒体 · 计算机科学 2022-08-30 Qiuping Jiang , Jiawu Xu , Yudong Mao , Wei Zhou , Xiongkuo Min , Guangtao Zhai

Image quality assessment (IQA) is an important research topic for understanding and improving visual experience. The current state-of-the-art IQA methods are based on convolutional neural networks (CNNs). The performance of CNN-based models…

计算机视觉与模式识别 · 计算机科学 2021-08-16 Junjie Ke , Qifei Wang , Yilin Wang , Peyman Milanfar , Feng Yang

Blind image quality assessment (BIQA) approaches, while promising for automating image quality evaluation, often fall short in real-world scenarios due to their reliance on a generic quality standard applied uniformly across diverse images.…

计算机视觉与模式识别 · 计算机科学 2024-07-17 Nicolas Chahine , Sira Ferradans , Jean Ponce

The importance of Image quality assessment (IQA) is ever increasing due to the fast paced advances in imaging technology and computer vision. Among the numerous IQA methods, Structural SIMilarity (SSIM) index and its variants are better…

图像与视频处理 · 电气工程与系统科学 2022-12-06 X. Li , W. Armour

Livestreaming has become increasingly prevalent in modern visual communication, where automatic camera quality tuning is essential for delivering superior user Quality of Experience (QoE). Such tuning requires accurate blind image quality…

图像与视频处理 · 电气工程与系统科学 2025-08-26 Xiangfei Sheng , Zhichao Duan , Xiaofeng Pan , Yipo Huang , Zhichao Yang , Pengfei Chen , Leida Li

Blind 360{\deg}image quality assessment (IQA) aims to predict perceptual quality for panoramic images without a pristine reference. Unlike conventional planar images, 360{\deg}content in immersive environments restricts viewers to a limited…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Yujia Wang , Yuyan Li , Jiuming Liu , Fang-Lue Zhang , Xinhu Zheng , Neil. A Dodgson

The visual quality of an image is confounded by a number of intertwined factors including its semantic content, distortion characteristics and appearance properties such as brightness, contrast, sharpness, and colourfulness. Distilling high…

计算机视觉与模式识别 · 计算机科学 2024-12-11 Fei Zhou , Tianhao Gu , Zhicong Huang , Guoping Qiu

Deep learning-based methods have significantly influenced the blind image quality assessment (BIQA) field, however, these methods often require training using large amounts of human rating data. In contrast, traditional knowledge-based…

计算机视觉与模式识别 · 计算机科学 2024-05-30 Zhangkai Ni , Yue Liu , Keyan Ding , Wenhan Yang , Hanli Wang , Shiqi Wang

Recently, image quality assessment (IQA) has achieved remarkable progress with the success of deep learning. However, the strict pre-condition of full-reference (FR) methods has limited its application in real scenarios. And the…

图像与视频处理 · 电气工程与系统科学 2021-09-17 Jingyu Guo , Wei Wang , Wenming Yang , Qingmin Liao , Jie Zhou

Full-reference image quality assessment (FR-IQA) models generally operate by measuring the visual differences between a degraded image and its reference. However, existing FR-IQA models including both the classical ones (eg, PSNR and SSIM)…

计算机视觉与模式识别 · 计算机科学 2024-08-20 Kang Xiao , Xu Wang , Yulin He , Baoliang Chen , Xuelin Shen

Positron Emission Tomography / Computed Tomography (PET/CT) plays a critical role in medical imaging, combining functional and anatomical information to aid in accurate diagnosis. However, image quality degradation due to noise, compression…

图像与视频处理 · 电气工程与系统科学 2025-06-26 Siqiao Li , Chen Hui , Wei Zhang , Rui Liang , Chenyue Song , Feng Jiang , Haiqi Zhu , Zhixuan Li , Hong Huang , Xiang Li

Image quality assessment (IQA) in medical imaging can be used to ensure that downstream clinical tasks can be reliably performed. Quantifying the impact of an image on the specific target tasks, also named as task amenability, is needed. A…

Understanding semantic information is an essential step in knowing what is being learned in both full-reference (FR) and no-reference (NR) image quality assessment (IQA) methods. However, especially for many severely distorted images, even…

计算机视觉与模式识别 · 计算机科学 2023-03-21 Pengxiang Xiao , Shuai He , Limin Liu , Anlong Ming

Nowadays, most existing blind image quality assessment (BIQA) models 1) are developed for synthetically-distorted images and often generalize poorly to authentic ones; 2) heavily rely on human ratings, which are prohibitively…

多媒体 · 计算机科学 2021-07-08 Zhihua Wang , Zhi-Ri Tang , Jianguo Zhang , Yuming Fang

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…

计算机视觉与模式识别 · 计算机科学 2025-08-28 Xiaoqi Wang , Yun Zhang , Weisi Lin