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Recently, Users Generated Content (UGC) videos becomes ubiquitous in our daily lives. However, due to the limitations of photographic equipments and techniques, UGC videos often contain various degradations, in which one of the most…

计算机视觉与模式识别 · 计算机科学 2023-08-08 Yunlong Dong , Xiaohong Liu , Yixuan Gao , Xunchu Zhou , Tao Tan , Guangtao Zhai

Image Quality Assessment (IQA) models are increasingly deployed as perceptual critics to guide generative models and image restoration. This role demands not only accurate scores but also actionable, localized feedback. However, current…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Xudong Li , Jiaxi Tan , Ziyin Zhou , Yan Zhong , Zihao Huang , Jingyuan Zheng , Yan Zhang , Xiawu Zheng , Rongrong Ji

Recent multimodal large language models (MLLMs) have demonstrated strong capabilities in image quality assessment (IQA) tasks. However, adapting such large-scale models is computationally expensive and still relies on substantial Mean…

计算机视觉与模式识别 · 计算机科学 2026-01-29 Xinyue Li , Zhichao Zhang , Zhiming Xu , Shubo Xu , Xiongkuo Min , Yitong Chen , Guangtao Zhai

Vision-Language Models (VLMs) have significantly advanced automated Radiology Report Generation (RRG). However, existing methods implicitly assume high-quality inputs, overlooking the noise and artifacts prevalent in real-world clinical…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Hongze Zhu , Chen Hu , Jiaxuan Jiang , Hong Liu , Yawen Huang , Ming Hu , Tianyu Wang , Zhijian Wu , Yefeng Zheng

Visual question answering (VQA) in medical imaging aims to support clinical diagnosis by automatically interpreting complex imaging data in response to natural language queries. Existing studies typically rely on distinct visual and textual…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Yuanhe Tian , Chen Su , Junwen Duan , Yan Song

Several existing and successful full reference image quality assessment (IQA) models use linear color transformation and downsampling before measuring similarity or quality of images. This paper indicates to the right order of these two…

多媒体 · 计算机科学 2016-06-21 Hossein Ziaei Nafchi , Mohamed Cheriet

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

Currently, most image quality assessment (IQA) models are supervised by the MAE or MSE loss with empirically slow convergence. It is well-known that normalization can facilitate fast convergence. Therefore, we explore normalization in the…

图像与视频处理 · 电气工程与系统科学 2020-08-11 Dingquan Li , Tingting Jiang , Ming Jiang

Low-Dose Computed Tomography (LDCT) technique, which reduces the radiation harm to human bodies, is now attracting increasing interest in the medical imaging field. As the image quality is degraded by low dose radiation, LDCT exams require…

图像与视频处理 · 电气工程与系统科学 2022-04-19 Liutao Yang , Zhongnian Li , Rongjun Ge , Junyong Zhao , Haipeng Si , Daoqiang Zhang

Prompt-based methods, which encode medical priors through descriptive text, have been only minimally explored for CT Image Quality Assessment (IQA). While such prompts can embed prior knowledge about diagnostic quality, they often introduce…

计算机视觉与模式识别 · 计算机科学 2026-01-06 Kazi Ramisa Rifa , Jie Zhang , Abdullah Imran

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…

计算机视觉与模式识别 · 计算机科学 2025-02-13 Chengqian Ma , Zhengyi Shi , Zhiqiang Lu , Shenghao Xie , Fei Chao , Yao Sui

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…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Fadeel Sher Khan , Long N. Le , Abhinau K. Venkataramanan , Seok-Jun Lee , Hamid R. Sheikh

In this work, we present a novel self-supervised method for Low Dose Computed Tomography (LDCT) reconstruction. Reducing the radiation dose to patients during a CT scan is a crucial challenge since the quality of the reconstruction highly…

图像与视频处理 · 电气工程与系统科学 2023-12-21 Hang Xu , Alessandro Perelli

Cone Beam Computed Tomography(CBCT) is a now known method to conduct CT imaging. Especially, The Low Dose CT imaging is one of possible options to protect organs of patients when conducting CT imaging. Therefore Low Dose CT imaging can be…

计算机视觉与模式识别 · 计算机科学 2021-04-05 Wooram Kang , Mayank Patwari

No-Reference Image Quality Assessment (NR-IQA) remains a challenging task due to the diversity of distortions and the lack of large annotated datasets. Many studies have attempted to tackle these challenges by developing more accurate…

计算机视觉与模式识别 · 计算机科学 2024-09-09 Nasim Jamshidi Avanaki , Abhijay Ghildyal , Nabajeet Barman , Saman Zadtootaghaj

Image quality is important, and can affect overall performance in image processing and computer vision as well as for numerous other reasons. Image quality assessment (IQA) is consequently a vital task in different applications from aerial…

计算机视觉与模式识别 · 计算机科学 2023-01-31 Wei Dai , Daniel Berleant

The rapid expansion of mobile internet has resulted in a substantial increase in user-generated content (UGC) images, thereby making the thorough assessment of UGC images both urgent and essential. Recently, multimodal large language models…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Mingxing Li , Rui Wang , Lei Sun , Yancheng Bai , Xiangxiang Chu

Low-dose computed tomography (LDCT) is the standard modality for lung cancer screening, known for its low radiation dose but high noise levels. While existing literature focuses on denoising LDCT images, comparative research on simulating…

图像与视频处理 · 电气工程与系统科学 2026-05-13 Jiaying Liu , Anna Corti , Valentina D. A. Corino , Luca Mainardi

While abundant research has been conducted on improving high-level visual understanding and reasoning capabilities of large multimodal models~(LMMs), their visual quality assessment~(IQA) ability has been relatively under-explored. Here we…

计算机视觉与模式识别 · 计算机科学 2024-02-05 Hanwei Zhu , Xiangjie Sui , Baoliang Chen , Xuelin Liu , Peilin Chen , Yuming Fang , Shiqi Wang

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…