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相关论文: One-Pass Trajectory Simplification Using the Synch…

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Persistence diagrams (PD)s play a central role in topological data analysis, and are used in an ever increasing variety of applications. The comparison of PD data requires computing comparison metrics among large sets of PDs, with metrics…

计算几何 · 计算机科学 2024-02-23 Rolando Kindelan Nuñez , Mircea Petrache , Mauricio Cerda , Nancy Hitschfeld

Trajectory simplification is a problem encountered in areas like Robot programming by demonstration, CAD/CAM, computer vision, and in GPS-based applications like traffic analysis. This problem entails reduction of the points in a given…

计算机视觉与模式识别 · 计算机科学 2016-08-29 Daniel L. Marino , Milos Manic

We propose a new unsupervised anomaly detection method based on the sliced-Wasserstein distance for training data selection in machine learning approaches. Our filtering technique is interesting for decision-making pipelines deploying…

机器学习 · 计算机科学 2025-04-18 Julien Pallage , Antoine Lesage-Landry

We introduce sliced optimal transport dataset distance (s-OTDD), a model-agnostic, embedding-agnostic approach for dataset comparison that requires no training, is robust to variations in the number of classes, and can handle disjoint label…

机器学习 · 计算机科学 2025-05-16 Khai Nguyen , Hai Nguyen , Tuan Pham , Nhat Ho

In machine learning and computer graphics, a fundamental task is the approximation of a probability density function through a well-dispersed collection of samples. Providing a formal metric for measuring the distance between probability…

图形学 · 计算机科学 2024-02-28 Baptiste Genest , Nicolas Courty , David Coeurjolly

In this paper, we propose a highly accurate continuous-time trajectory estimation framework dedicated to SLAM (Simultaneous Localization and Mapping) applications, which enables fuse high-frequency and asynchronous sensor data effectively.…

机器人学 · 计算机科学 2021-09-13 Jiajun Lv , Kewei Hu , Jinhong Xu , Yong Liu , Xiushui Ma , Xingxing Zuo

Recent years have witnessed a tremendous growth using topological summaries, especially the persistence diagrams (encoding the so-called persistent homology) for analyzing complex shapes. Intuitively, persistent homology maps a potentially…

计算几何 · 计算机科学 2021-04-19 Samantha Chen , Yusu Wang

Two important similarity measures between sequences are the longest common subsequence (LCS) and the dynamic time warping distance (DTWD). The computations of these measures for two given sequences are central tasks in a variety of…

计算复杂性 · 计算机科学 2015-02-02 Amir Abboud , Arturs Backurs , Virginia Vassilevska Williams

With the advent of deep learning application on edge devices, researchers actively try to optimize their deployments on low-power and restricted memory devices. There are established compression method such as quantization, pruning, and…

机器学习 · 计算机科学 2022-12-23 Xinlin Li , Mariana Parazeres , Adam Oberman , Alireza Ghaffari , Masoud Asgharian , Vahid Partovi Nia

Lightweight Temporal Compression (LTC) is among the lossy stream compression methods that provide the highest compression rate for the lowest CPU and memory consumption. As such, it is well suited to compress data streams in…

信息论 · 计算机科学 2018-11-27 Bo Li , Omid Sarbishei , Hosein Nourani , Tristan Glatard

In this paper, we consider a UAV-enabled WSN where a flying UAV is employed to collect data from multiple sensor nodes (SNs). Our objective is to maximize the minimum average data collection rate from all SNs subject to a prescribed…

信息论 · 计算机科学 2019-05-09 Changsheng You , Rui Zhang

In the recent past, several sampling-based algorithms have been proposed to compute trajectories that are collision-free and dynamically-feasible. However, the outputs of such algorithms are notoriously jagged. In this paper, by focusing on…

机器人学 · 计算机科学 2015-10-28 Zhijie Zhu , Edward Schmerling , Marco Pavone

This paper introduces a novel framework for continuous 3D trajectory optimization in cluttered environments, leveraging online neural Euclidean Signed Distance Fields (ESDFs). Unlike prior approaches that rely on discretized ESDF grids with…

机器人学 · 计算机科学 2025-09-25 Guillermo Gil , Jose Antonio Cobano , Luis Merino , Fernando Caballero

Optimal Transport has sparked vivid interest in recent years, in particular thanks to the Wasserstein distance, which provides a geometrically sensible and intuitive way of comparing probability measures. For computational reasons, the…

机器学习 · 计算机科学 2024-03-19 Eloi Tanguy

Efficient trajectory optimization is essential for avoiding collisions in unstructured environments, but it remains challenging to have both speed and quality in the solutions. One reason is that second-order optimality requires calculating…

机器人学 · 计算机科学 2021-11-04 Changhao Wang , Jeffrey Bingham , Masayoshi Tomizuka

This study introduces time-windowed variations of three established trajectory simplification algorithms. These new algorithms are specifically designed to be used in contexts with bandwidth limitations. We present the details of these…

其他计算机科学 · 计算机科学 2025-04-10 Gilles Dejaegere , Mahmoud Sakr

This paper focuses on developing energy-efficient online data processing strategy of wireless powered MEC systems under stochastic fading channels. In particular, we consider a hybrid access point (HAP) transmitting RF energy to and…

信息论 · 计算机科学 2021-11-05 Xian Li , Suzhi Bi , Yuan Zheng , Hui Wang

Clustering algorithms fundamentally group data points by characteristics to identify patterns. Over the past two decades, researchers have extended these methods to analyze trajectories of humans, animals, and vehicles, studying their…

机器学习 · 计算机科学 2025-12-17 Atieh Rahmani , Mansoor Davoodi , Justin M. Calabrese

This paper investigates the joint optimization of trajectory, user scheduling, and time-slot duration in unmanned aerial vehicle (UAV)-assisted wireless communication systems under minimum expected spectral efficiency (SE) constraints.…

系统与控制 · 电气工程与系统科学 2026-02-20 Gitae Park , Kisong Lee

We present the novel Efficient Line Segment Detector and Descriptor (ELSD) to simultaneously detect line segments and extract their descriptors in an image. Unlike the traditional pipelines that conduct detection and description separately,…

计算机视觉与模式识别 · 计算机科学 2021-04-30 Haotian Zhang , Yicheng Luo , Fangbo Qin , Yijia He , Xiao Liu