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相关论文: A No-Reference Medical Image Quality Assessment Me…

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Diffusion magnetic resonance imaging (dMRI) is a crucial technique in neuroimaging studies, allowing for the non-invasive probing of the underlying structures of brain tissues. Clinical dMRI data is susceptible to various artifacts during…

图像与视频处理 · 电气工程与系统科学 2024-09-25 Sheng Chen , Zihao Tang , Xinyi Wang , Chenyu Wang , Weidong Cai

In this paper, we propose a novel quadratic optimized model based on the deep convolutional neural network (QODCNN) for full-reference and no-reference screen content image (SCI) quality assessment. Unlike traditional CNN methods taking all…

计算机视觉与模式识别 · 计算机科学 2019-03-05 Xuhao Jiang , Liquan Shen , Guorui Feng , Liangwei Yu , Ping An

Purpose: Many useful image quality metrics for evaluating linear image reconstruction techniques do not apply to or are difficult to interpret for non-linear image reconstruction. The vast majority of metrics employed for evaluating…

In multimedia broadcasting, no-reference image quality assessment (NR-IQA) is used to indicate the user-perceived quality of experience (QoE) and to support intelligent data transmission while optimizing user experience. This paper proposes…

图像与视频处理 · 电气工程与系统科学 2024-12-11 Qiang Qu , Xiaoming Chen , Vera Chung , Zhibo Chen

Due to the scarcity of labeled samples in Image Quality Assessment (IQA) datasets, numerous recent studies have proposed multi-task based strategies, which explore feature information from other tasks or domains to boost the IQA task.…

计算机视觉与模式识别 · 计算机科学 2024-11-13 Li Yu

Image quality assessment is a fundamental problem in the field of image processing, and due to the lack of reference images in most practical scenarios, no-reference image quality assessment (NR-IQA), has gained increasing attention…

计算机视觉与模式识别 · 计算机科学 2023-05-17 Jinsong Shi , Pan Gao , Aljosa Smolic

Reliable image quality assessment is essential in applications where large volumes of images are acquired automatically and must be filtered before further analysis. In many practical scenarios, a pristine reference image is unavailable,…

计算机视觉与模式识别 · 计算机科学 2026-04-16 Koffi Titus Sergio Aglin , Anthony K. Muchiri , Celestin Nkundineza

Image Quality Assessment (IQA) has long been a research hotspot in the field of image processing, especially No-Reference Image Quality Assessment (NR-IQA). Due to the powerful feature extraction ability, existing Convolution Neural Network…

计算机视觉与模式识别 · 计算机科学 2023-12-13 Jinsong Shi , Pan Gao , Jie Qin

Quality assessment of diffusion MRI (dMRI) data is essential prior to any analysis, so that appropriate pre-processing can be used to improve data quality and ensure that the presence of MRI artifacts do not affect the results of subsequent…

图像与视频处理 · 电气工程与系统科学 2019-11-19 Zahra Riahi Samani , Jacob Antony Alappatt , Drew Parker , Abdol Aziz Ould Ismail , Ragini Verma

We introduce a novel cross-reference image quality assessment method that effectively fills the gap in the image assessment landscape, complementing the array of established evaluation schemes -- ranging from full-reference metrics like…

计算机视觉与模式识别 · 计算机科学 2024-07-24 Zirui Wang , Wenjing Bian , Victor Adrian Prisacariu

This work presents a novel framework for No-Reference Image Quality Assessment (NR-IQA) founded on the analysis of directional image curvature. Within this framework, we define a measure of Anisotropic Texture Richness (ATR), which is…

计算机视觉与模式识别 · 计算机科学 2025-08-13 Diego Frias

The optimization objective of regression-based blind image quality assessment (IQA) models is to minimize the mean prediction error across the training dataset, which can lead to biased parameter estimation due to potential training data…

计算机视觉与模式识别 · 计算机科学 2023-10-24 Xiaoqi Wang , Jian Xiong , Hao Gao , Weisi Lin

Medical image enhancement is crucial for improving the quality and interpretability of diagnostic images, ultimately supporting early detection, accurate diagnosis, and effective treatment planning. Despite advancements in imaging…

计算机视觉与模式识别 · 计算机科学 2025-10-21 Chun Wai Chin , Haniza Yazid , Hoi Leong Lee

We present a novel method that allows for measuring the quality of diffusion-weighted MR images dependent on the image resolution and the image noise. For this purpose, we introduce a new thresholding technique so that noise and the signal…

计算机视觉与模式识别 · 计算机科学 2011-05-10 Jan Klein , Sebastiano Barbieri , Miriam H. A. Bauer , Christopher Nimsky , Horst K. Hahn

Full-reference image quality assessment (FR-IQA) techniques compare a reference and a distorted/test image and predict the perceptual quality of the test image in terms of a scalar value representing an objective score. The evaluation of…

计算机视觉与模式识别 · 计算机科学 2014-12-18 Ashirbani Saha , Q. M. Jonathan Wu

Deep Video Quality Assessment (VQA) methods have shown impressive high-performance capabilities. Notably, no-reference (NR) VQA methods play a vital role in situations where obtaining reference videos is restricted or not feasible.…

图像与视频处理 · 电气工程与系统科学 2024-07-31 Xiaoheng Tan , Jiabin Zhang , Yuhui Quan , Jing Li , Yajing Wu , Zilin Bian

360-degree/omnidirectional images (OIs) have achieved remarkable attentions due to the increasing applications of virtual reality (VR). Compared to conventional 2D images, OIs can provide more immersive experience to consumers, benefitting…

计算机视觉与模式识别 · 计算机科学 2021-02-24 Wei Zhou , Jiahua Xu , Qiuping Jiang , Zhibo Chen

Purpose: In many clinical MRI scenarios, existing imaging information can be used to significantly shorten acquisition time or to improve Signal to Noise Ratio (SNR). In this paper the authors present a framework for fast MRI by exploiting…

医学物理 · 物理学 2017-08-28 Lior Weizman , Yonina C. Eldar , Dafna Ben-Basaht

Diffusion-weighted MRI is nowadays performed routinely due to its prognostic ability, yet the quality of the scans are often unsatisfactory which can subsequently hamper the clinical utility. To overcome the limitations, here we propose a…

图像与视频处理 · 电气工程与系统科学 2021-05-04 Hyungjin Chung , Jaehyun Kim , Jeong Hee Yoon , Jeong Min Lee , Jong Chul Ye

Medical professionals, especially those in training, often depend on visual reference materials to support an accurate diagnosis and develop pattern recognition skills. However, existing resources may lack the diversity and accessibility…

计算机视觉与模式识别 · 计算机科学 2025-06-03 Kanishk Choudhary