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Quality assessment of omnidirectional images has become increasingly urgent due to the rapid growth of virtual reality applications. Different from traditional 2D images and videos, omnidirectional contents can provide consumers with freely…

图像与视频处理 · 电气工程与系统科学 2020-08-24 Jiahua Xu , Wei Zhou , Zhibo Chen

Image quality assessment (IQA) is inherently complex, as it reflects both the quantification and interpretation of perceptual quality rooted in the human visual system. Conventional approaches typically rely on fixed models to output scalar…

计算机视觉与模式识别 · 计算机科学 2025-10-02 Hanwei Zhu , Yu Tian , Keyan Ding , Baoliang Chen , Bolin Chen , Shiqi Wang , Weisi Lin

The unstructured and irregular nature of points poses a significant challenge for accurate point cloud quality assessment (PCQA), particularly in establishing accurate perceptual feature correspondence. To tackle this, we propose the…

计算机视觉与模式识别 · 计算机科学 2026-03-30 Zhang Chen , Shuai Wan , Yuezhe Zhang , Siyu Ren , Fuzheng Yang , Junhui Hou

Learning based image quality assessment (IQA) models have obtained impressive performance with the help of reliable subjective quality labels, where mean opinion score (MOS) is the most popular choice. However, in view of the subjective…

计算机视觉与模式识别 · 计算机科学 2023-11-28 Lei Wang , Qingbo Wu , Desen Yuan , King Ngi Ngan , Hongliang Li , Fanman Meng , Linfeng Xu

Image Quality Assessment (IQA) methods typically overlook local manifold structures, leading to compromised discriminative capabilities in perceptual quality evaluation. To address this limitation, we present LML-IQA, an innovative…

计算机视觉与模式识别 · 计算机科学 2025-10-14 Zihao Huang , Runze Hu , Timin Gao , Yan Zhang , Yunhang Shen , Ke Li

Learning medical visual representations directly from paired radiology reports has become an emerging topic in representation learning. However, existing medical image-text joint learning methods are limited by instance or local supervision…

计算机视觉与模式识别 · 计算机科学 2022-10-13 Fuying Wang , Yuyin Zhou , Shujun Wang , Varut Vardhanabhuti , Lequan Yu

Image quality assessment (IQA) forms a natural and often straightforward undertaking for humans, yet effective automation of the task remains highly challenging. Recent metrics from the deep learning community commonly compare image pairs…

计算机视觉与模式识别 · 计算机科学 2022-11-11 William Thong , Jose Costa Pereira , Sarah Parisot , Ales Leonardis , Steven McDonagh

Attribution methods are primarily designed to study input component contributions to individual model predictions. However, some research applications require a summary of attribution patterns across the entire dataset to facilitate the…

机器学习 · 计算机科学 2025-07-15 Pierre Lelièvre , Chien-Chung Chen

AI-Generated Images (AGIs) have inherent multimodal nature. Unlike traditional image quality assessment (IQA) on natural scenarios, AGIs quality assessment (AGIQA) takes the correspondence of image and its textual prompt into consideration.…

计算机视觉与模式识别 · 计算机科学 2024-05-22 Bowen Qu , Haohui Li , Wei Gao

The increasing popularity of short video platforms such as YouTube Shorts, TikTok, and Kwai has led to a surge in User-Generated Content (UGC), which presents significant challenges for the generalization performance of Video Quality…

计算机视觉与模式识别 · 计算机科学 2024-09-24 Xinli Yue , Jianhui Sun , Liangchao Yao , Fan Xia , Yuetang Deng , Tianyi Wang , Lei Li , Fengyun Rao , Jing Lv , Qian Wang , Lingchen Zhao

In the field of Blind Image Quality Assessment (BIQA), accurately predicting the perceptual quality of authentically distorted images remains highly challenging due to the diverse and complex distortions present in natural environments.…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Yu Li , Puchao Zhou , Yachun Mi , Yanfeng Wu , Xiaoming Wang , Shaohui Liu

It is well-known that there is no universal metric for image quality evaluation. In this case, distortion-specific metrics can be more reliable. The artifact imposed by image compression can be considered as a combination of various…

图像与视频处理 · 电气工程与系统科学 2024-02-05 S. Farhad Hosseini-Benvidi , Hossein Motamednia , Azadeh Mansouri , Mohammadreza Raei , Ahmad Mahmoudi-Aznaveh

With the increasing demand for image-based applications, the efficient and reliable evaluation of image quality has increased in importance. Measuring the image quality is of fundamental importance for numerous image processing…

多媒体 · 计算机科学 2014-07-01 Pedram Mohammadi , Abbas Ebrahimi-Moghadam , Shahram Shirani

Scientific images fundamentally differ from natural and AI-generated images in that they encode structured domain knowledge rather than merely depict visual scenes. Assessing their quality therefore requires evaluating not only perceptual…

计算机视觉与模式识别 · 计算机科学 2026-03-10 Wenzhe Li , Liang Chen , Junying Wang , Yijing Guo , Ye Shen , Farong Wen , Chunyi Li , Zicheng Zhang , Guangtao Zhai

Image quality assessment (IQA) algorithm aims to quantify the human perception of image quality. Unfortunately, there is a performance drop when assessing the distortion images generated by generative adversarial network (GAN) with…

计算机视觉与模式识别 · 计算机科学 2022-04-25 Shanshan Lao , Yuan Gong , Shuwei Shi , Sidi Yang , Tianhe Wu , Jiahao Wang , Weihao Xia , Yujiu Yang

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

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.…

图像与视频处理 · 电气工程与系统科学 2026-04-01 Xiangfei Sheng , Xiaofeng Pan , Zhichao Yang , Pengfei Chen , Leida Li

Image quality assessment (IQA) models aim to establish a quantitative relationship between visual images and their perceptual quality by human observers. IQA modeling plays a special bridging role between vision science and engineering…

图像与视频处理 · 电气工程与系统科学 2021-02-23 Zhengfang Duanmu , Wentao Liu , Zhongling Wang , Zhou Wang

In no-reference image quality assessment (NR-IQA), the challenge of limited dataset sizes hampers the development of robust and generalizable models. Conventional methods address this issue by utilizing large datasets to extract rich…

计算机视觉与模式识别 · 计算机科学 2024-10-08 Daekyu Kwon , Dongyoung Kim , Sehwan Ki , Younghyun Jo , Hyong-Euk Lee , Seon Joo Kim

Teledermatology has become a widely accepted communication method in daily clinical practice, enabling remote care while showing strong agreement with in-person visits. Poor image quality remains an unsolved problem in teledermatology and…