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Trajectory prediction is a challenging task that aims to predict the future trajectory of vehicles or pedestrians over a short time horizon based on their historical positions. The main reason is that the trajectory is a kind of complex…

计算机视觉与模式识别 · 计算机科学 2025-07-18 Pengqian Han , Jiamou Liu , Tianzhe Bao , Yifei Wang

Many real world applications can be formulated as event forecasting on Continuous Time Dynamic Graphs (CTDGs) where the occurrence of a timed event between two entities is represented as an edge along with its occurrence timestamp in the…

机器学习 · 计算机科学 2022-05-24 Xuhong Wang , Sirui Chen , Yixuan He , Minjie Wang , Quan Gan , Yupu Yang , Junchi Yan

Modeling and predicting temporal point processes (TPPs) is critical in domains such as neuroscience, epidemiology, finance, and social sciences. We introduce the Spiking Dynamic Graph Network (SDGN), a novel framework that leverages the…

机器学习 · 计算机科学 2025-04-03 Biswadeep Chakraborty , Hemant Kumawat , Beomseok Kang , Saibal Mukhopadhyay

Continuous-time event sequences play a vital role in real-world domains such as healthcare, finance, online shopping, social networks, and so on. To model such data, temporal point processes (TPPs) have emerged as the most natural and…

A temporal point process (TPP) is a stochastic process where its realization is a sequence of discrete events in time. Recent work in TPPs model the process using a neural network in a supervised learning framework, where a training set is…

机器学习 · 计算机科学 2023-01-31 Wonho Bae , Mohamed Osama Ahmed , Frederick Tung , Gabriel L. Oliveira

The presented work addresses two-stage stochastic programs (2SPs), a broadly applicable model to capture optimization problems subject to uncertain parameters with adjustable decision variables. In case the adjustable or second-stage…

最优化与控制 · 数学 2023-07-21 Jan Kronqvist , Boda Li , Jan Rolfes , Shudian Zhao

In the real-time decision-making and local planning process of autonomous vehicles in dynamic environments, the autonomous driving system may fail to find a reasonable policy or even gets trapped in some situation due to the complexity of…

机器人学 · 计算机科学 2019-09-18 Lilin Qian , Xin Xu , Yujun Zeng , Xiaohui Li , Zhenping Sun , Hang Song

Compared with artificial neural networks (ANNs), spiking neural networks (SNNs) are promising to explore the brain-like behaviors since the spikes could encode more spatio-temporal information. Although pre-training from ANN or direct…

神经与进化计算 · 计算机科学 2018-09-18 Yujie Wu , Lei Deng , Guoqi Li , Jun Zhu , Luping Shi

We propose a new class of parameterizations for spatio-temporal point processes which leverage Neural ODEs as a computational method and enable flexible, high-fidelity models of discrete events that are localized in continuous time and…

机器学习 · 计算机科学 2021-03-19 Ricky T. Q. Chen , Brandon Amos , Maximilian Nickel

Inaccurate optical flow estimates in and near occluded regions, and out-of-boundary regions are two of the current significant limitations of optical flow estimation algorithms. Recent state-of-the-art optical flow estimation algorithms are…

计算机视觉与模式识别 · 计算机科学 2023-11-02 Fisseha Admasu Ferede , Madhusudhanan Balasubramanian

In this study, we propose a novel deep spatio-temporal point process model, Deep Kernel Mixture Point Processes (DKMPP), that incorporates multimodal covariate information. DKMPP is an enhanced version of Deep Mixture Point Processes…

机器学习 · 计算机科学 2023-10-10 Yixuan Zhang , Quyu Kong , Feng Zhou

Fault diagnosis in multimode processes plays a critical role in ensuring the safe operation of industrial systems across multiple modes. It faces a great challenge yet to be addressed - that is, the significant distributional differences…

机器学习 · 计算机科学 2025-07-24 Guangqiang Li , M. Amine Atoui , Xiangshun Li

Spatio-temporal prediction is a pivotal task with broad applications in traffic management, climate monitoring, energy scheduling, etc. However, existing methodologies often struggle to balance model expressiveness and computational…

机器学习 · 计算机科学 2025-05-27 Jiawen Chen , Qi Shao , Duxin Chen , Wenwu Yu

Continual learning is a fundamental challenge in artificial intelligence that requires networks to acquire new knowledge while preserving previously learned representations. Despite the success of various approaches, most existing paradigms…

机器学习 · 计算机科学 2026-02-24 Patryk Krukowski , Jan Miksa , Piotr Helm , Jacek Tabor , Paweł Wawrzyński , Przemysław Spurek

A spatial point process can be characterized by an intensity function which predicts the number of events that occur across space. In this paper, we develop a method to infer predictive intensity intervals by learning a spatial model using…

机器学习 · 统计学 2020-07-06 Muhammad Osama , Dave Zachariah , Petre Stoica

Short-term synaptic plasticity (STP) is often regarded as a presynaptic filter of spikes, independent of postsynaptic activity. Recent experiments, however, indicate an associative STP that depends on pre- and postsynaptic coactivation. We…

神经元与认知 · 定量生物学 2026-05-20 Genki Shimizu , Taro Toyoizumi

Spiking neural networks (SNNs) promise energy-efficient computation by mimicking biological neural dynamics, yet existing plasticity rules focus on isolated spike pairs and fail to leverage the synchronous activity patterns that drive…

神经与进化计算 · 计算机科学 2025-08-26 Yuchen Tian , Assel Kembay , Samuel Tensingh , Nhan Duy Truong , Jason K. Eshraghian , Omid Kavehei

In modern transportation systems, an enormous amount of traffic data is generated every day. This has led to rapid progress in short-term traffic prediction (STTP), in which deep learning methods have recently been applied. In traffic…

机器学习 · 计算机科学 2020-09-03 Kyungeun Lee , Moonjung Eo , Euna Jung , Yoonjin Yoon , Wonjong Rhee

Recently, Capsule Networks (CapsNets) have shown improved performance compared to the traditional Convolutional Neural Networks (CNNs), by encoding and preserving spatial relationships between the detected features in a better way. This is…

Autonomous vehicles demand high accuracy and robustness of perception algorithms. To develop efficient and scalable perception algorithms, the maximum information should be extracted from the available sensor data. In this work, we present…

计算机视觉与模式识别 · 计算机科学 2023-05-12 Sebastian Huch , Florian Sauerbeck , Johannes Betz