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Deep learning based image quality assessment (IQA) models usually learn to predict image quality from a single dataset, leading the model to overfit specific scenes. To account for this, mixed datasets training can be an effective way to…

计算机视觉与模式识别 · 计算机科学 2022-11-15 Zhaopeng Feng , Keyang Zhang , Shuyue Jia , Baoliang Chen , Shiqi Wang

Multi-level deep-features have been driving state-of-the-art methods for aesthetics and image quality assessment (IQA). However, most IQA benchmarks are comprised of artificially distorted images, for which features derived from ImageNet…

图像与视频处理 · 电气工程与系统科学 2020-01-23 Hanhe Lin , Vlad Hosu , Dietmar Saupe

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

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…

图像与视频处理 · 电气工程与系统科学 2024-12-23 Xuekai Wei , Junyu Zhang , Qinlin Hu , Mingliang Zhou\\Yong Feng , Weizhi Xian , Huayan Pu , Sam Kwong

No-reference (NR) image quality assessment (IQA) is an important tool in enhancing the user experience in diverse visual applications. A major drawback of state-of-the-art NR-IQA techniques is their reliance on a large number of human…

计算机视觉与模式识别 · 计算机科学 2023-12-11 Suhas Srinath , Shankhanil Mitra , Shika Rao , Rajiv Soundararajan

Deep-learning based techniques have contributed to the remarkable progress in the field of automatic image quality assessment (IQA). Existing IQA methods are designed to measure the quality of an image in terms of Mean Opinion Score (MOS)…

图像与视频处理 · 电气工程与系统科学 2022-06-15 Wook-Hyung Kim , Cheul-hee Hahm , Anant Baijal , Namuk Kim , Ilhyun Cho , Jayoon Koo

As an affordable and convenient eye scan, fundus photography holds the potential for preventing vision impairment, especially in resource-limited regions. However, fundus image degradation is common under intricate imaging environments,…

图像与视频处理 · 电气工程与系统科学 2025-01-22 Heng Li , Haojin Li , Mingyang Ou , Xiangyang Yu , Xiaoqing Zhang , Ke Niu , Huazhu Fu , Jiang Liu

An accurate computational model for image quality assessment (IQA) benefits many vision applications, such as image filtering, image processing, and image generation. Although the study of face images is an important subfield in computer…

计算机视觉与模式识别 · 计算机科学 2023-08-01 Shaolin Su , Hanhe Lin , Vlad Hosu , Oliver Wiedemann , Jinqiu Sun , Yu Zhu , Hantao Liu , Yanning Zhang , Dietmar Saupe

Image Quality Assessment (IQA) constitutes a fundamental task within the field of computer vision, yet it remains an unresolved challenge, owing to the intricate distortion conditions, diverse image contents, and limited availability of…

计算机视觉与模式识别 · 计算机科学 2023-08-24 Kangmin Xu , Liang Liao , Jing Xiao , Chaofeng Chen , Haoning Wu , Qiong Yan , Weisi Lin

No-reference image quality assessment (NR-IQA) aims to measure the image quality without reference image. However, contrast distortion has been overlooked in the current research of NR-IQA. In this paper, we propose a very simple but…

计算机视觉与模式识别 · 计算机科学 2019-04-19 Jia Yan , Jie Li , Xin Fu

Image Quality Assessment (IQA) with references plays an important role in optimizing and evaluating computer vision tasks. Traditional methods assume that all pixels of the reference and test images are fully aligned. Such Aligned-Reference…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Keke Zhang , Weiling Chen , Tiesong Zhao , Zhou Wang

In this paper, we propose an image quality transformer (IQT) that successfully applies a transformer architecture to a perceptual full-reference image quality assessment (IQA) task. Perceptual representation becomes more important in image…

计算机视觉与模式识别 · 计算机科学 2021-05-06 Manri Cheon , Sung-Jun Yoon , Byungyeon Kang , Junwoo Lee

We introduce a Depicted image Quality Assessment method (DepictQA), overcoming the constraints of traditional score-based methods. DepictQA allows for detailed, language-based, human-like evaluation of image quality by leveraging…

计算机视觉与模式识别 · 计算机科学 2024-07-16 Zhiyuan You , Zheyuan Li , Jinjin Gu , Zhenfei Yin , Tianfan Xue , Chao Dong

BIQA (Blind Image Quality Assessment) is an important field of study that evaluates images automatically. Although significant progress has been made, blind image quality assessment remains a difficult task since images vary in content and…

计算机视觉与模式识别 · 计算机科学 2024-10-10 Muhammad Azeem Aslam , Xu Wei , Hassan Khalid , Nisar Ahmed , Zhu Shuangtong , Xin Liu , Yimei Xu

Artificial intelligence (AI) is being deployed within radiology at a rapid pace. AI has proven an excellent tool for reconstructing and enhancing images that appear sharper, smoother, and more detailed, can be acquired more quickly, and…

人工智能 · 计算机科学 2026-02-11 Jana G. Delfino , Jason L. Granstedt , Frank W. Samuelson , Robert Ochs , Krishna Juluru

Image quality assessment (IQA) is traditionally classified into full-reference (FR) IQA and no-reference (NR) IQA according to whether the original image is required. Although NR-IQA is widely used in practical applications, room for…

计算机视觉与模式识别 · 计算机科学 2016-09-05 Haoyi Liang , Daniel S. Weller

New multinuclear MRI techniques, such as sodium MRI, generally suffer from low image quality due to an inherently low signal. Postprocessing methods, such as image denoising, have been developed for image enhancement. However, the…

Image quality assessment that aims at estimating the subject quality of images, builds models to evaluate the perceptual quality of the image in different applications. Based on the fact that the human visual system (HVS) is highly…

图像与视频处理 · 电气工程与系统科学 2020-12-22 Congmin Chen , Xuanqin Mou

An important scenario for image quality assessment (IQA) is to evaluate image restoration (IR) algorithms. The state-of-the-art approaches adopt a full-reference paradigm that compares restored images with their corresponding…

图像与视频处理 · 电气工程与系统科学 2021-08-24 Heliang Zheng , Huan Yang , Jianlong Fu , Zheng-Jun Zha , Jiebo Luo

Recent advances in Image Quality Assessment (IQA) have leveraged Multi-modal Large Language Models (MLLMs) to generate descriptive explanations. However, despite their strong visual perception modules, these models often fail to reliably…

计算机视觉与模式识别 · 计算机科学 2025-12-11 Yuan Li , Zitang Sun , Yen-Ju Chen , Shin'ya Nishida