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Graph-SLAM is a well-established algorithm for constructing a topological map of the environment while simultaneously attempting the localisation of the robot. It relies on scan matching algorithms to align noisy observations along robot's…

机器人学 · 计算机科学 2022-01-20 Giorgio Iavicoli , Claudio Zito

Most existing popular methods for learning graph embedding only consider fixed-order global structural features and lack structures hierarchical representation. To address this weakness, we propose a novel graph embedding algorithm named…

机器学习 · 计算机科学 2021-02-03 Xue Liu , Wei Wei , Xiangnan Feng , Xiaobo Cao , Dan Sun

Graph topology inference, i.e., learning graphs from a given set of nodal observations, is a significant task in many application domains. Existing approaches are mostly limited to learning a single graph assuming that the observed data is…

信号处理 · 电气工程与系统科学 2024-01-26 Abdullah Karaaslanli , Selin Aviyente

In this work, we explore the various Brain Neuron tracking techniques, which is one of the most significant applications of Diffusion Tensor Imaging. Tractography provides us with a non-invasive method to analyze underlying tissue…

计算机视觉与模式识别 · 计算机科学 2018-06-12 Nandakishore Puttashamachar , Ulas Bagci

Ensemble clustering has been a popular research topic in data mining and machine learning. Despite its significant progress in recent years, there are still two challenging issues in the current ensemble clustering research. First, most of…

机器学习 · 计算机科学 2018-10-31 Dong Huang , Chang-Dong Wang , Hongxing Peng , Jianhuang Lai , Chee-Keong Kwoh

Video co-segmentation refers to the task of jointly segmenting common objects appearing in a given group of videos. In practice, high-dimensional data such as videos can be conceptually thought as being drawn from a union of subspaces…

计算机视觉与模式识别 · 计算机科学 2021-04-29 Junlin Yao , Frank Nielsen

This paper presents a new approach to non-parametric cluster analysis called Adaptive Weights Clustering (AWC). The idea is to identify the clustering structure by checking at different points and for different scales on departure from…

机器学习 · 统计学 2017-09-27 Kirill Efimov , Larisa Adamyan , Vladimir Spokoiny

Protein representation learning is a challenging task that aims to capture the structure and function of proteins from their amino acid sequences. Previous methods largely ignored the fact that not all amino acids are equally important for…

机器学习 · 计算机科学 2024-04-02 Ruijie Quan , Wenguan Wang , Fan Ma , Hehe Fan , Yi Yang

While large-scale image-text pretrained models such as CLIP have been used for multiple video-level tasks on trimmed videos, their use for temporal localization in untrimmed videos is still a relatively unexplored task. We design a new…

计算机视觉与模式识别 · 计算机科学 2023-08-23 Shen Yan , Xuehan Xiong , Arsha Nagrani , Anurag Arnab , Zhonghao Wang , Weina Ge , David Ross , Cordelia Schmid

Human Motion Segmentation (HMS), which aims to partition a video into non-overlapping segments corresponding to different human motions, has recently attracted increasing research attention. Existing HMS approaches are predominantly based…

计算机视觉与模式识别 · 计算机科学 2026-05-08 Xianghan Meng , Zhiyuan Huang , Zhengyu Tong , Chun-Guang Li

As tractography datasets continue to grow in size, there is a need for improved visualization methods that can capture structural patterns occurring in large tractography datasets. Transparency is an increasingly important aspect of finding…

图形学 · 计算机科学 2023-08-17 Besm Osman , Mestiez Pereira , Huub van de Wetering , Maxime Chamberland

Human Motion Segmentation (HMS), which aims to partition videos into non-overlapping human motions, has attracted increasing research attention recently. Existing approaches for HMS are mainly dominated by subspace clustering methods, which…

计算机视觉与模式识别 · 计算机科学 2025-08-12 Xianghan Meng , Zhengyu Tong , Zhiyuan Huang , Chun-Guang Li

Dynamic graph representation learning has become essential for analyzing evolving networks in domains such as social network analysis, recommendation systems, and traffic analysis. However, existing continuous-time methods face three key…

机器学习 · 计算机科学 2025-10-14 Soheila Farokhi , Xiaojun Qi , Hamid Karimi

Network embedding, which maps graphs to distributed representations, is a unified framework for various graph inference tasks. According to the topology properties (e.g., structural roles and community memberships of nodes) to be preserved,…

社会与信息网络 · 计算机科学 2024-10-04 Meng Qin , Dit-Yan Yeung

The joint optimization of representation learning and clustering in the embedding space has experienced a breakthrough in recent years. In spite of the advance, clustering with representation learning has been limited to flat-level…

机器学习 · 计算机科学 2019-03-26 Su-Jin Shin , Kyungwoo Song , Il-Chul Moon

This work addresses the problem of predicting the motion trajectories of dynamic objects in the environment. Recent advances in predicting motion patterns often rely on machine learning techniques to extrapolate motion patterns from…

机器人学 · 计算机科学 2021-07-12 Weiming Zhi , Lionel Ott , Fabio Ramos

Rotational symmetry is a defining feature of many tomography systems, including computed tomography (CT) and emission computed tomography (ECT), where detectors are arranged in a circular or periodically rotating configuration. This study…

医学物理 · 物理学 2025-02-05 Yaogong Zhang , Fang-Fang Yin , Lei Zhang

Magnetic resonance imaging (MRI) acquisition, reconstruction, and segmentation are usually processed independently in the conventional practice of MRI workflow. It is easy to notice that there are significant relevances among these tasks…

图像与视频处理 · 电气工程与系统科学 2021-05-17 Zhiwen Wang , Wenjun Xia , Zexin Lu , Yongqiang Huang , Yan Liu , Hu Chen , Jiliu Zhou , Yi Zhang

Molecular dynamics simulations yield large amounts of trajectory data. For their durable storage and accessibility an efficient compression algorithm is paramount. State of the art domain-specific algorithms combine quantization, Huffman…

分布式、并行与集群计算 · 计算机科学 2016-01-13 Jan Huwald , Stephan Richter , Peter Dittrich

Local discriminative representation is needed in many medical image analysis tasks such as identifying sub-types of lesion or segmenting detailed components of anatomical structures. However, the commonly applied supervised representation…

计算机视觉与模式识别 · 计算机科学 2021-03-25 Huai Chen , Jieyu Li , Renzhen Wang , Yijie Huang , Fanrui Meng , Deyu Meng , Qing Peng , Lisheng Wang