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While Magnetic Resonance Imaging (MRI) has played an essential role in infant brain analysis, segmenting MRI into a number of tissues such as gray matter (GM), white matter (WM), and cerebrospinal fluid (CSF) is crucial and complex due to…

图像与视频处理 · 电气工程与系统科学 2021-12-28 Dinh-Hieu Hoang , Gia-Han Diep , Minh-Triet Tran , Ngan T. H Le

Many efforts have been devoted to designing sampling, mining, and weighting strategies in high-level deep metric learning (DML) loss objectives. However, little attention has been paid to low-level but essential data transformation. In this…

计算机视觉与模式识别 · 计算机科学 2021-05-24 Zhiyuan Chen , Guang Yao , Wennan Ma , Lin Xu

AI-based models for histopathology whole slide image (WSI) analysis are increasingly common, but unsharp or blurred areas within WSI can significantly reduce prediction performance. In this study, we investigated the effect of image blur on…

图像与视频处理 · 电气工程与系统科学 2025-07-21 Yujie Xiang , Bojing Liu , Mattias Rantalainen

Cortical lesions (CLs) have emerged as valuable biomarkers in multiple sclerosis (MS), offering high diagnostic specificity and prognostic relevance. However, their routine clinical integration remains limited due to subtle magnetic…

Purpose: To compare the segmentation and detection performance of a deep learning model trained on a database of human-labelled clinical diffusion-weighted (DW) stroke lesions to a model trained on the same database enhanced with synthetic…

Uncertainty estimation in deep learning has become a leading research field in medical image analysis due to the need for safe utilisation of AI algorithms in clinical practice. Most approaches for uncertainty estimation require sampling…

图像与视频处理 · 电气工程与系统科学 2022-04-12 Kaisar Kushibar , Víctor Manuel Campello , Lidia Garrucho Moras , Akis Linardos , Petia Radeva , Karim Lekadir

Image segmentation is one of the most essential biomedical image processing problems for different imaging modalities, including microscopy and X-ray in the Internet-of-Medical-Things (IoMT) domain. However, annotating biomedical images is…

计算机视觉与模式识别 · 计算机科学 2021-01-25 Ziyuan Zhao , Zeng Zeng , Kaixin Xu , Cen Chen , Cuntai Guan

Functional MRI (fMRI) is commonly used for interpreting neural activities across the brain. Numerous accelerated fMRI techniques aim to provide improved spatiotemporal resolutions. Among these, simultaneous multi-slice (SMS) imaging has…

Magnetic Resonance Imaging (MRI) is considered the gold standard of medical imaging because of the excellent soft-tissue contrast exhibited in the images reconstructed by the MRI pipeline, which in-turn enables the human radiologist to…

图像与视频处理 · 电气工程与系统科学 2023-06-26 Divyam Madaan , Daniel Sodickson , Kyunghyun Cho , Sumit Chopra

The increasing global prevalence of mental disorders, such as depression and PTSD, requires objective and scalable diagnostic tools. Traditional clinical assessments often face limitations in accessibility, objectivity, and consistency.…

音频与语音处理 · 电气工程与系统科学 2025-04-03 Abdelrahaman A. Hassan , Abdelrahman A. Ali , Aya E. Fouda , Radwa J. Hanafy , Mohammed E. Fouda

Background: Deep learning has demonstrated significant potential for automated brain metastases (BM) segmentation; however, models trained at a singular institution often exhibit suboptimal performance at various sites due to disparities in…

计算机视觉与模式识别 · 计算机科学 2026-04-02 Yuchen Yang , Shuangyang Zhong , Haijun Yu , Langcuomu Suo , Hongbin Han , Florian Putz , Yixing Huang

Diffusion magnetic resonance imaging (dMRI) enables non-invasive investigation of tissue microstructure. The Standard Model (SM) of white matter aims to disentangle dMRI signal contributions from intra- and extra-axonal water compartments.…

图像与视频处理 · 电气工程与系统科学 2026-04-15 Tom Hendriks , Gerrit Arends , Edwin Versteeg , Anna Vilanova , Maxime Chamberland , Chantal M. W. Tax

Magnetic Resonance Imaging (MRI) is widely recognized as the most reliable tool for detecting tumors due to its capability to produce detailed images that reveal their presence. However, the accuracy of diagnosis can be compromised when…

计算机视觉与模式识别 · 计算机科学 2025-07-18 Zahid Ullah , Dragan Pamucar , Jihie Kim

Deep learning (DL) models for segmenting various anatomical structures have achieved great success via a static DL model that is trained in a single source domain. Yet, the static DL model is likely to perform poorly in a continually…

计算机视觉与模式识别 · 计算机科学 2023-06-01 Xiaofeng Liu , Helen A. Shih , Fangxu Xing , Emiliano Santarnecchi , Georges El Fakhri , Jonghye Woo

Accurate delineation of acute ischemic stroke lesions in MRI is a key component of stroke diagnosis and management. In recent years, deep learning models have been successfully applied to the automatic segmentation of such lesions. While…

计算机视觉与模式识别 · 计算机科学 2026-01-14 Vincent Roca , Martin Bretzner , Hilde Henon , Laurent Puy , Grégory Kuchcinski , Renaud Lopes

Fast and accurate waveform simulation is critical for understanding fiber channel characteristics, developing digital signal processing (DSP) technologies, optimizing optical network configurations, and advancing the optical fiber…

信号处理 · 电气工程与系统科学 2025-11-04 Minghui Shi , Hang Yang , Zekun Niu , Chuyan Zeng , Junzhe Xiao , Yunfan Zhang , Mingzhe Chen , Weisheng Hu , Lilin Yi

Deep distance metric learning (DDML), which is proposed to learn image similarity metrics in an end-to-end manner based on the convolution neural network, has achieved encouraging results in many computer vision tasks.$L2$-normalization in…

计算机视觉与模式识别 · 计算机科学 2018-03-29 Xuefei Zhe , Shifeng Chen , Hong Yan

Deep metric learning (DML) is a popular approach for images retrieval, solving verification (same or not) problems and addressing open set classification. Arguably, the most common DML approach is with triplet loss, despite significant…

机器学习 · 计算机科学 2019-12-02 Istvan Fehervari , Avinash Ravichandran , Srikar Appalaraju

Purpose: We address the challenge of inaccurate parameter estimation in diffusion MRI when the signal-to-noise ratio (SNR) is very low, as in the spinal cord. The accuracy of conventional maximum-likelihood estimation (MLE) depends highly…

Deep learning (DL) models for disease classification or segmentation from medical images are increasingly trained using transfer learning (TL) from unrelated natural world images. However, shortcomings and utility of TL for specialized…

机器学习 · 统计学 2021-11-11 Sambuddha Ghosal , Pratik Shah