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Purpose: To implement a brain segmentation pipeline based on convolutional neural networks, which rapidly segments 3D volumes into 27 anatomical structures. To provide an extensive, comparative study of segmentation performance on various…

图像与视频处理 · 电气工程与系统科学 2020-08-12 Jonathan Zopes , Moritz Platscher , Silvio Paganucci , Christian Federau

Deep learning implemented with convolutional network architectures can exceed specialists' diagnostic accuracy. However, whole-image deep learning trained on a given dataset may not generalize to other datasets. The problem arises because…

计算机视觉与模式识别 · 计算机科学 2023-05-17 Norsang Lama , R. Joe Stanley , Anand Nambisan , Akanksha Maurya , Jason Hagerty , William V. Stoecker

Topological accuracy in medical image segmentation is a highly important property for downstream applications such as network analysis and flow modeling in vessels or cell counting. Recently, significant methodological advancements have…

图像与视频处理 · 电气工程与系统科学 2024-10-10 Alexander H. Berger , Nico Stucki , Laurin Lux , Vincent Buergin , Suprosanna Shit , Anna Banaszak , Daniel Rueckert , Ulrich Bauer , Johannes C. Paetzold

Delineating the associations between images and a vector of covariates is of central interest in medical imaging studies. To tackle this problem of image response regression, we propose a novel nonparametric approach in the framework of…

机器学习 · 统计学 2022-03-04 Daiwei Zhang , Lexin Li , Chandra Sripada , Jian Kang

Voxelization is an effective approach to reduce the computational cost of processing Light Detection and Ranging (LiDAR) data, yet it results in a loss of fine-scale structural information. This study explores whether low-level voxel…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Amirhossein Hassanzadeh , Bartosz Krawczyk , Michael Saunders , Rob Wible , Keith Krause , Dimah Dera , Jan van Aardt

Segmentation algorithms are prone to make topological errors on fine-scale structures, e.g., broken connections. We propose a novel method that learns to segment with correct topology. In particular, we design a continuous-valued loss…

计算机视觉与模式识别 · 计算机科学 2019-06-18 Xiaoling Hu , Li Fuxin , Dimitris Samaras , Chao Chen

Radiologists use various imaging modalities to aid in different tasks like diagnosis of disease, lesion visualization, surgical planning and prognostic evaluation. Most of these tasks rely on the the accurate delineation of the anatomical…

图像与视频处理 · 电气工程与系统科学 2019-08-22 Ronnie Rajan , Rachana Sathish , Debdoot Sheet

Deep learning models (DLMs) frequently achieve accurate segmentation and classification of tumors from medical images. However, DLMs lacking feedback on their image segmentation mechanisms, such as Dice coefficients and confidence in their…

图像与视频处理 · 电气工程与系统科学 2024-12-31 Elhoucine Elfatimi , Pratik Shah

Within medical imaging segmentation, the Dice coefficient and Hausdorff-based metrics are standard measures of success for deep learning models. However, modern loss functions for medical image segmentation often only consider the Dice…

图像与视频处理 · 电气工程与系统科学 2024-01-26 Adrian Celaya , Beatrice Riviere , David Fuentes

Work in psychology has highlighted that the geometric model of similarity standard in deep learning is not psychologically plausible because its metric properties such as symmetry do not align with human perception of similarity. In…

机器学习 · 计算机科学 2025-10-14 Moussa Koulako Bala Doumbouya , Dan Jurafsky , Christopher D. Manning

Deep learning based models, generally, require a large number of samples for appropriate training, a requirement that is difficult to satisfy in the medical field. This issue can usually be avoided with a proper initialization of the…

计算机视觉与模式识别 · 计算机科学 2019-06-19 Taibou Birgui Sekou , Moncef Hidane , Julien Olivier , Hubert Cardot

Lesion segmentation on computed tomography (CT) scans is an important step for precisely monitoring changes in lesion/tumor growth. This task, however, is very challenging since manual segmentation is prohibitively time-consuming,…

计算机视觉与模式识别 · 计算机科学 2020-01-24 Vatsal Agarwal , Youbao Tang , Jing Xiao , Ronald M. Summers

In this paper we present a generalized Deep Learning-based approach for solving ill-posed large-scale inverse problems occuring in medical image reconstruction. Recently, Deep Learning methods using iterative neural networks and cascaded…

图像与视频处理 · 电气工程与系统科学 2020-08-26 Andreas Kofler , Markus Haltmeier , Tobias Schaeffter , Marc Kachelrieß , Marc Dewey , Christian Wald , Christoph Kolbitsch

Multi-modal image fusion aggregates information from multiple sensor sources, achieving superior visual quality and perceptual features compared to single-source images, often improving downstream tasks. However, current fusion methods for…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Haowen Bai , Jiangshe Zhang , Zixiang Zhao , Yichen Wu , Lilun Deng , Yukun Cui , Tao Feng , Shuang Xu

Noises, artifacts, and loss of information caused by the magnetic resonance (MR) reconstruction may compromise the final performance of the downstream applications. In this paper, we develop a re-weighted multi-task deep learning method to…

计算机视觉与模式识别 · 计算机科学 2020-11-30 Kehan Qi , Yu Gong , Xinfeng Liu , Xin Liu , Hairong Zheng , Shanshan Wang

Deep convolutional neural networks (CNNs) have been intensively used for multi-class segmentation of data from different modalities and achieved state-of-the-art performances. However, a common problem when dealing with large, high…

计算机视觉与模式识别 · 计算机科学 2018-04-13 Chengjia Wang , Tom MacGillivray , Gillian Macnaught , Guang Yang , David Newby

Metric learning has become an attractive field for research on the latest years. Loss functions like contrastive loss, triplet loss or multi-class N-pair loss have made possible generating models capable of tackling complex scenarios with…

机器学习 · 计算机科学 2019-05-28 Alfonso Medela , Artzai Picon

Convolutional neural networks (CNNs) have shown promising results on several segmentation tasks in magnetic resonance (MR) images. However, the accuracy of CNNs may degrade severely when segmenting images acquired with different scanners…

机器学习 · 统计学 2018-05-28 Neerav Karani , Krishna Chaitanya , Christian Baumgartner , Ender Konukoglu

Image Restoration has seen remarkable progress in recent years. Many generative models have been adapted to tackle the known restoration cases of images. However, the interest in benefiting from the frequency domain is not well explored…

计算机视觉与模式识别 · 计算机科学 2023-10-24 Bilel Benjdira , Anas M. Ali , Anis Koubaa

We introduce two-scale loss functions for use in various gradient descent algorithms applied to classification problems via deep neural networks. This new method is generic in the sense that it can be applied to a wide range of machine…

数值分析 · 数学 2021-09-03 Leonid Berlyand , Robert Creese , Pierre-Emmanuel Jabin