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Online Freight Exchange Systems (OFEX) play a crucial role in modern freight logistics by facilitating real-time matching between shippers and carrier. However, efficient combinatorial bundling of transporation jobs remains a bottleneck. We…

人工智能 · 计算机科学 2025-12-15 Haohui Zhang , Wouter van Heeswijk , Xinyu Hu , Neil Yorke-Smith , Martijn Mes

Recognizing out-of-distribution (OOD) samples is critical for machine learning systems deployed in the open world. The vast majority of OOD detection methods are driven by a single modality (e.g., either vision or language), leaving the…

计算机视觉与模式识别 · 计算机科学 2022-11-28 Yifei Ming , Ziyang Cai , Jiuxiang Gu , Yiyou Sun , Wei Li , Yixuan Li

Deep learning for distribution grid optimization can be advocated as a promising solution for near-optimal yet timely inverter dispatch. The principle is to train a deep neural network (DNN) to predict the solutions of an optimal power flow…

最优化与控制 · 数学 2020-07-09 Manish K. Singh , Sarthak Gupta , Vassilis Kekatos , Guido Cavraro , Andrey Bernstein

Ride-hailing platforms face significant challenges in optimizing order dispatching and driver repositioning operations in dynamic urban environments. Traditional approaches based on combinatorial optimization, rule-based heuristics, and…

机器学习 · 计算机科学 2025-05-30 Tengfei Lyu , Siyuan Feng , Hao Liu , Hai Yang

Analyzing flow of objects or data at different granularities of space and time can unveil interesting insights or trends. For example, transportation companies, by aggregating passenger travel data (e.g., counting passengers traveling from…

数据库 · 计算机科学 2025-12-22 Chrysanthi Kosyfaki , Nikos Mamoulis , Reynold Cheng , Ben Kao

Traffic prediction is a typical spatio-temporal data mining task and has great significance to the public transportation system. Considering the demand for its grand application, we recognize key factors for an ideal spatio-temporal…

机器学习 · 计算机科学 2023-09-26 Zijian Zhang , Ze Huang , Zhiwei Hu , Xiangyu Zhao , Wanyu Wang , Zitao Liu , Junbo Zhang , S. Joe Qin , Hongwei Zhao

Predicting the behavior of road users accurately is crucial to enable the safe operation of autonomous vehicles in urban or densely populated areas. Therefore, there has been a growing interest in time series motion prediction research,…

机器学习 · 计算机科学 2024-10-22 Camiel Oerlemans , Bram Grooten , Michiel Braat , Alaa Alassi , Emilia Silvas , Decebal Constantin Mocanu

We propose a real-time dynamic LiDAR odometry pipeline for mobile robots in Urban Search and Rescue (USAR) scenarios. Existing approaches to dynamic object detection often rely on pretrained learned networks or computationally expensive…

机器人学 · 计算机科学 2024-11-28 Jonathan Lichtenfeld , Kevin Daun , Oskar von Stryk

Accurate travel time estimation (TTE) plays a crucial role in intelligent transportation systems. However, it remains challenging due to heterogeneous data sources and complex traffic dynamics. Moreover, traditional approaches typically…

机器学习 · 计算机科学 2026-01-27 Zhi Liu , Xuyuan Hu , Xiao Han , Zhehao Dai , Zhaolin Deng , Guojiang Shen , Xiangjie Kong

Deploying machine learning in open environments presents the challenge of encountering diverse test inputs that differ significantly from the training data. These out-of-distribution samples may exhibit shifts in local or global features…

机器学习 · 计算机科学 2024-03-19 Jiawei Li , Sitong Li , Shanshan Wang , Yicheng Zeng , Falong Tan , Chuanlong Xie

Separating sources is a common challenge in applications such as speech enhancement and telecommunications, where distinguishing between overlapping sounds helps reduce interference and improve signal quality. Additionally, in multichannel…

音频与语音处理 · 电气工程与系统科学 2025-03-25 Linda Fabiani , Sebastian J. Schlecht , Isabel Haasler , Filip Elvander

In this paper, we propose a learning-based block-wise planar channel estimator (LBPCE) with high accuracy and low complexity to estimate the time-varying frequency-selective channel of a multiple-input multiple-output (MIMO) orthogonal…

信号处理 · 电气工程与系统科学 2024-05-21 Chenchen Liu , Wenjun Jiang , Xiaojun Yuan

This paper proposes a novel modulation and coding scheme (MCS) selection framework that integrates mutual information (MI) prediction based on vector similarity search (VSS) for massive multi-user multiple-input multiple-output orthogonal…

信号处理 · 电气工程与系统科学 2026-03-30 Fuga Kobayashi , Takumi Takahashi , Shinsuke Ibi , Takanobu Doi , Kazushi Muraoka , Hideki Ochiai

Existing memory management techniques severely hinder efficient Large Language Model serving on accelerators constrained by poor random-access bandwidth.While static pre-allocation preserves memory contiguity,it incurs significant overhead…

硬件体系结构 · 计算机科学 2026-04-22 Guoqiang Zou , Wanyu Wang , Hao Zheng , Longxiang Yin , Yinhe Han

Wireless localization and sensing technologies are essential in modern wireless networks, supporting applications in smart cities, the Internet of Things (IoT), and autonomous systems. High-performance localization and sensing systems are…

网络与互联网体系结构 · 计算机科学 2025-07-11 Zelin Zhu , Kai Yang , Rui Zhang

We present RailLoMer in this article, to achieve real-time accurate and robust odometry and mapping for rail vehicles. RailLoMer receives measurements from two LiDARs, an IMU, train odometer, and a global navigation satellite system (GNSS)…

机器人学 · 计算机科学 2021-12-01 Yusheng Wang , Yidong Lou , Yi Zhang , Weiwei Song , Fei Huang , Zhiyong Tu , Shimin Zhang

Out-of-Distribution (OOD) generalization in machine learning is a burgeoning area of study. Its primary goal is to enhance the adaptability and resilience of machine learning models when faced with new, unseen, and potentially adversarial…

机器学习 · 计算机科学 2024-11-05 Chengtao Jian , Kai Yang , Yang Jiao

We introduce OFTER, a time series forecasting pipeline tailored for mid-sized multivariate time series. OFTER utilizes the non-parametric models of k-nearest neighbors and Generalized Regression Neural Networks, integrated with a…

机器学习 · 统计学 2023-04-11 Nikolas Michael , Mihai Cucuringu , Sam Howison

Out-of-distribution detection is an important capability that has long eluded vanilla neural networks. Deep Neural networks (DNNs) tend to generate over-confident predictions when presented with inputs that are significantly…

机器学习 · 计算机科学 2022-02-24 Sumedh A Sontakke , Buvaneswari Ramanan , Laurent Itti , Thomas Woo

Distributed multiple-input multiple-output (D-MIMO) is a promising technology for simultaneous communication and positioning. However, phase synchronization between multiple access points in D-MIMO is challenging and methods that function…