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Numerical interactions leading to users sharing textual content published by others are naturally represented by a network where the individuals are associated with the nodes and the exchanged texts with the edges. To understand those…

Machine Learning · Computer Science 2024-02-14 Rémi Boutin , Pierre Latouche , Charles Bouveyron

Learning generalizable trajectory representations from raw GPS traces remains difficult because the data is continuous, noisy, and irregularly sampled. Spatial tokenization is also challenging: fine grids yield sparse cells with weak…

Machine Learning · Computer Science 2026-05-20 Zhen Xiong , Shang-Ling Hsu , Cyrus Shahabi

Tractography is a unique method for mapping white matter connections in the brain, but tractography algorithms suffer from an inherent trade-off between sensitivity and specificity that limits accuracy. Incorporating prior knowledge of…

Computational Engineering, Finance, and Science · Computer Science 2025-11-10 Elinor Thompson , Tiantian He , Anna Schroder , Ahmed Abdulaal , Alec Sargood , Sonja Soskic , Henry F. J. Tregidgo , Daniel C. Alexander

Blood vessel segmentation is crucial for many diagnostic and research applications. In recent years, CNN-based models have leaded to breakthroughs in the task of segmentation, however, such methods usually lose high-frequency information…

Image and Video Processing · Electrical Eng. & Systems 2021-04-09 Mo Zhang , Fei Yu , Jie Zhao , Li Zhang , Quanzheng Li

Tokenizing raw texts into word units is an essential pre-processing step for critical tasks in the NLP pipeline such as tagging, parsing, named entity recognition, and more. For most languages, this tokenization step straightforward.…

Computation and Language · Computer Science 2022-03-22 Idan Brusilovsky , Reut Tsarfaty

In this work we present a novel end-to-end framework for tracking and classifying a robot's surroundings in complex, dynamic and only partially observable real-world environments. The approach deploys a recurrent neural network to filter an…

Machine Learning · Computer Science 2016-04-20 Peter Ondruska , Julie Dequaire , Dominic Zeng Wang , Ingmar Posner

Weakly supervised semantic segmentation aims to achieve pixel-level predictions using image-level labels. Existing methods typically entangle semantic recognition and object localization, which often leads models to focus exclusively on…

Computer Vision and Pattern Recognition · Computer Science 2026-04-17 Qingze He , Fagui Liu , Dengke Zhang , Qingmao Wei , Quan Tang

Parcellation of human cerebellar pathways is essential for advancing our understanding of the human brain. Existing diffusion MRI tractography parcellation methods have been successful in defining major cerebellar fibre tracts, while…

The segmentation of cranial nerves (CNs) tract provides a valuable quantitative tool for the analysis of the morphology and trajectory of individual CNs. Multimodal CNs tract segmentation networks, e.g., CNTSeg, which combine structural…

Image and Video Processing · Electrical Eng. & Systems 2025-05-06 Lei Xie , Huajun Zhou , Junxiong Huang , Jiahao Huang , Qingrun Zeng , Jianzhong He , Jiawei Zhang , Baohua Fan , Mingchu Li , Guoqiang Xie , Hao Chen , Yuanjing Feng

Automatic instance segmentation is a problem that occurs in many biomedical applications. State-of-the-art approaches either perform semantic segmentation or refine object bounding boxes obtained from detection methods. Both suffer from…

Computer Vision and Pattern Recognition · Computer Science 2020-04-22 Long Chen , Martin Strauch , Dorit Merhof

Communication networks such as emails or social networks are now ubiquitous and their analysis has become a strategic field. In many applications, the goal is to automatically extract relevant information by looking at the nodes and their…

Social and Information Networks · Computer Science 2023-07-26 Rémi Boutin , Charles Bouveyron , Pierre Latouche

We propose an end-to-end Multitask Learning Transformer framework, named MulT, to simultaneously learn multiple high-level vision tasks, including depth estimation, semantic segmentation, reshading, surface normal estimation, 2D keypoint…

Computer Vision and Pattern Recognition · Computer Science 2022-05-18 Deblina Bhattacharjee , Tong Zhang , Sabine Süsstrunk , Mathieu Salzmann

The open-vocabulary image segmentation task involves partitioning images into semantically meaningful segments and classifying them with flexible text-defined categories. The recent vision-based foundation models such as the Segment…

Computer Vision and Pattern Recognition · Computer Science 2024-06-11 Xiaoqi Wang , Wenbin He , Xiwei Xuan , Clint Sebastian , Jorge Piazentin Ono , Xin Li , Sima Behpour , Thang Doan , Liang Gou , Han Wei Shen , Liu Ren

In the diverse field of medical imaging, automatic segmentation has numerous applications and must handle a wide variety of input domains, such as different types of Computed Tomography (CT) scans and Magnetic Resonance (MR) images. This…

Image and Video Processing · Electrical Eng. & Systems 2024-11-26 Chengyin Li , Hui Zhu , Rafi Ibn Sultan , Hassan Bagher Ebadian , Prashant Khanduri , Chetty Indrin , Kundan Thind , Dongxiao Zhu

3D image segmentation plays an important role in biomedical image analysis. Many 2D and 3D deep learning models have achieved state-of-the-art segmentation performance on 3D biomedical image datasets. Yet, 2D and 3D models have their own…

Computer Vision and Pattern Recognition · Computer Science 2018-12-11 Hao Zheng , Yizhe Zhang , Lin Yang , Peixian Liang , Zhuo Zhao , Chaoli Wang , Danny Z. Chen

Representation learning is a fundamental building block for analyzing entities in a database. While the existing embedding learning methods are effective in various data mining problems, their applicability is often limited because these…

Machine Learning · Computer Science 2020-09-24 Chin-Chia Michael Yeh , Dhruv Gelda , Zhongfang Zhuang , Yan Zheng , Liang Gou , Wei Zhang

This paper presents DDTracking, a novel deep generative framework for diffusion MRI tractography that formulates streamline propagation as a conditional denoising diffusion process. In DDTracking, we introduce a dual-pathway encoding…

Computer Vision and Pattern Recognition · Computer Science 2026-02-04 Yijie Li , Wei Zhang , Xi Zhu , Ye Wu , Yogesh Rathi , Lauren J. O'Donnell , Fan Zhang

Intracranial recordings have opened a unique opportunity to simultaneously measure activity across multiregional networks in the human brain. Recent works have focused on developing transformer-based neurofoundation models of such…

Machine Learning · Computer Science 2025-12-16 Lucine L. Oganesian , Saba Hashemi , Maryam M. Shanechi

We propose a new class of implicit networks, the multiscale deep equilibrium model (MDEQ), suited to large-scale and highly hierarchical pattern recognition domains. An MDEQ directly solves for and backpropagates through the equilibrium…

Machine Learning · Computer Science 2020-11-25 Shaojie Bai , Vladlen Koltun , J. Zico Kolter

Semi-supervised video object segmentation is a task of segmenting the target object in a video sequence given only a mask annotation in the first frame. The limited information available makes it an extremely challenging task. Most previous…

Computer Vision and Pattern Recognition · Computer Science 2021-08-10 Yunyao Mao , Ning Wang , Wengang Zhou , Houqiang Li