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The performance of supervised deep learning methods for medical image segmentation is often limited by the scarcity of labeled data. As a promising research direction, semi-supervised learning addresses this dilemma by leveraging unlabeled…

图像与视频处理 · 电气工程与系统科学 2024-05-13 Zihang Liu , Chunhui Zhao

Accurate segmentation of MR brain tissue is a crucial step for diagnosis,surgical planning, and treatment of brain abnormalities. However,it is a time-consuming task to be performed by medical experts. So, automatic and reliable…

计算机视觉与模式识别 · 计算机科学 2018-07-31 Yang Deng , Yao Sun , Yongpei Zhu , Mingwang Zhu , Wei Han , Kehong Yuan

In this study, we show that landmark detection or face alignment task is not a single and independent problem. Instead, its robustness can be greatly improved with auxiliary information. Specifically, we jointly optimize landmark detection…

计算机视觉与模式识别 · 计算机科学 2016-11-15 Zhanpeng Zhang , Ping Luo , Chen Change Loy , Xiaoou Tang

A reliable Ultrasound (US)-to-US registration method to compensate for brain shift would substantially improve Image-Guided Neurological Surgery. Developing such a registration method is very challenging, due to factors such as missing…

The task of medical image segmentation commonly involves an image reconstruction step to convert acquired raw data to images before any analysis. However, noises, artifacts and loss of information due to the reconstruction process are…

计算机视觉与模式识别 · 计算机科学 2019-07-23 Qiaoying Huang , Xiao Chen , Dimitris Metaxas , Mariappan S. Nadar

Recently, there is an increasing demand for automatically detecting anatomical landmarks which provide rich structural information to facilitate subsequent medical image analysis. Current methods related to this task often leverage the…

计算机视觉与模式识别 · 计算机科学 2020-09-30 Zeyu Fu , Jianbo Jiao , Michael Suttie , J. Alison Noble

Most segmentation methods in child brain MRI are supervised and are based on global intensity distributions of major brain structures. The successful implementation of a supervised approach depends on availability of an age-appropriate…

图像与视频处理 · 电气工程与系统科学 2020-05-21 Nataliya Portman , Paule-J Toussaint , Alan C. Evans

Atlas building and image registration are important tasks for medical image analysis. Once one or multiple atlases from an image population have been constructed, commonly (1) images are warped into an atlas space to study intra-subject or…

图像与视频处理 · 电气工程与系统科学 2022-04-04 Zhipeng Ding , Marc Niethammer

We present a novel approach to automatically segment magnetic resonance (MR) images of the human brain into anatomical regions. Our methodology is based on a deep artificial neural network that assigns each voxel in an MR image of the brain…

计算机视觉与模式识别 · 计算机科学 2015-06-26 Alexandre de Brebisson , Giovanni Montana

We present the first automated pipeline to create an atlas of in situ hybridization gene expression in the adult marmoset brain in the same stereotaxic space. The pipeline consists of segmentation of gene expression from microscopy images…

计算机视觉与模式识别 · 计算机科学 2023-03-14 Charissa Poon , Muhammad Febrian Rachmadi , Michal Byra , Matthias Schlachter , Binbin Xu , Tomomi Shimogori , Henrik Skibbe

Recently, deep learning-based facial landmark detection for in-the-wild faces has achieved significant improvement. However, there are still challenges in face landmark detection in other domains (e.g. cartoon, caricature, etc). This is due…

计算机视觉与模式识别 · 计算机科学 2024-01-25 Yuanming Li , Gwantae Kim , Jeong-gi Kwak , Bon-hwa Ku , Hanseok Ko

A novel multi-atlas based image segmentation method is proposed by integrating a semi-supervised label propagation method and a supervised random forests method in a pattern recognition based label fusion framework. The semi-supervised…

计算机视觉与模式识别 · 计算机科学 2018-01-03 Qiang Zheng , Yong Fan

Brain MR image segmentation is a key task in neuroimaging studies. It is commonly conducted using standard computational tools, such as FSL, SPM, multi-atlas segmentation etc, which are often registration-based and suffer from expensive…

图像与视频处理 · 电气工程与系统科学 2019-08-29 Chengliang Dai , Yuanhan Mo , Elsa Angelini , Yike Guo , Wenjia Bai

Automated quality assessment of structural brain MRI is an important prerequisite for reliable neuroimaging analysis, but yet remains challenging due to motion artifacts and poor generalization across acquisition sites. Existing approaches…

图像与视频处理 · 电气工程与系统科学 2026-03-09 Naveetha Nithianandam , Prabhjot Kaur , Anil Kumar Sao

Probabilistic atlas priors have been commonly used to derive adaptive and robust brain MRI segmentation algorithms. Widely-used neuroimage analysis pipelines rely heavily on these techniques, which are often computationally expensive. In…

计算机视觉与模式识别 · 计算机科学 2019-07-24 Adrian V. Dalca , Evan Yu , Polina Golland , Bruce Fischl , Mert R. Sabuncu , Juan Eugenio Iglesias

Brain atlases are a ubiquitous tool used for analyzing and interpreting brain imaging datasets. Traditionally, brain atlases divided the brain into regions separated by anatomical landmarks. In the last decade, several attempts have been…

定量方法 · 定量生物学 2018-02-08 Pantea Moghimi , Kelvin O. Lim , Theoden I. Netoff

Cephalometric tracing method is usually used in orthodontic diagnosis and treatment planning. In this paper, we propose a deep learning based framework to automatically detect anatomical landmarks in cephalometric X-ray images. We train the…

图像与视频处理 · 电气工程与系统科学 2020-09-30 Zhusi Zhong , Jie Li , Zhenxi Zhang , Zhicheng Jiao , Xinbo Gao

Numerical simulations rely on constructing accurate and detailed models to produce reliable results - a task that is often challenging. This task becomes notably more difficult when the model is of the human brain. We create an anatomically…

计算工程、金融与科学 · 计算机科学 2024-10-11 Andy Huynh , Benjamin Zwick , Mostafa Jamshidian , Michael Halle , Adam Wittek , Karol Miller

Alzheimer Disease poses a significant challenge, necessitating early detection for effective intervention. MRI is a key neuroimaging tool due to its ease of use and cost effectiveness. This study analyzes machine learning methods for MRI…

神经元与认知 · 定量生物学 2024-08-12 Alwani Liyana Ahmad , Jose Sanchez-Bornot , Roberto C. Sotero , Damien Coyle , Zamzuri Idris , Ibrahima Faye

An important challenge for autonomous agents such as robots is to maintain a spatially and temporally consistent model of the world. It must be maintained through occlusions, previously-unseen views, and long time horizons (e.g., loop…

计算机视觉与模式识别 · 计算机科学 2023-10-03 Dominik A. Kloepfer , Dylan Campbell , João F. Henriques