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This paper investigates traffic forecasting, which attempts to forecast the future state of traffic based on historical situations. This problem has received ever-increasing attention in various scenarios and facilitated the development of…

机器学习 · 计算机科学 2024-03-05 Wei Ju , Yusheng Zhao , Yifang Qin , Siyu Yi , Jingyang Yuan , Zhiping Xiao , Xiao Luo , Xiting Yan , Ming Zhang

Optimal Transport (OT) has recently emerged as a powerful framework for learning minimal-displacement maps between distributions. The predominant approach involves a neural parametrization of the Monge formulation of OT, typically assuming…

机器学习 · 计算机科学 2024-07-23 Athina Sotiropoulou , David Alvarez-Melis

In view of the problem that each subchain in the chain-of-model (CoM) relies only on the information of the previous subchain and may lose long-range dependencies due to the causal mask blocking the global context flow between multi-level…

机器学习 · 计算机科学 2025-06-10 Libo Wang

In this paper, we present Goal-GAN, an interpretable and end-to-end trainable model for human trajectory prediction. Inspired by human navigation, we model the task of trajectory prediction as an intuitive two-stage process: (i) goal…

计算机视觉与模式识别 · 计算机科学 2020-10-05 Patrick Dendorfer , Aljoša Ošep , Laura Leal-Taixé

Learning behavioral patterns from observational data has been a de-facto approach to motion forecasting. Yet, the current paradigm suffers from two shortcomings: brittle under distribution shifts and inefficient for knowledge transfer. In…

机器学习 · 计算机科学 2022-04-06 Yuejiang Liu , Riccardo Cadei , Jonas Schweizer , Sherwin Bahmani , Alexandre Alahi

Optimal Transport (OT) problem investigates a transport map that bridges two distributions while minimizing a given cost function. In this regard, OT between tractable prior distribution and data has been utilized for generative modeling…

计算机视觉与模式识别 · 计算机科学 2024-02-07 Jaemoo Choi , Jaewoong Choi , Myungjoo Kang

Imitation learning holds tremendous promise in learning policies efficiently for complex decision making problems. Current state-of-the-art algorithms often use inverse reinforcement learning (IRL), where given a set of expert…

机器人学 · 计算机科学 2023-02-22 Siddhant Haldar , Vaibhav Mathur , Denis Yarats , Lerrel Pinto

Conditional entropy models effectively leverage spatio-temporal contexts to reduce video redundancy. However, incorporating temporal context often introduces additional model complexity and increases computational cost. In parallel, many…

计算机视觉与模式识别 · 计算机科学 2025-10-14 Junlong Tong , Wei Zhang , Yaohui Jin , Xiaoyu Shen

The primary goal of reinforcement learning is to develop decision-making policies that prioritize optimal performance, frequently without considering safety. In contrast, safe reinforcement learning seeks to reduce or avoid unsafe behavior.…

机器学习 · 计算机科学 2025-06-17 Zahra Shahrooei , Ali Baheri

We consider imitation learning in the low-data regime, where only a limited number of expert demonstrations are available. In this setting, methods that rely on large-scale pretraining or high-capacity architectures can be difficult to…

机器学习 · 计算机科学 2025-10-01 Lionel Blondé , Joao A. Candido Ramos , Alexandros Kalousis

Motivated by robust dynamic resource allocation in operations research, we study the \textit{Online Learning to Transport} (OLT) problem where the decision variable is a probability measure, an infinite-dimensional object. We draw…

机器学习 · 计算机科学 2022-11-21 Wenxuan Guo , YoonHaeng Hur , Tengyuan Liang , Christopher Ryan

Chain-of-thought (CoT) supervision can substantially improve transformer performance, yet the mechanisms by which models learn to follow and benefit from CoT remain poorly understood. We investigate these learning dynamics through the lens…

Anomaly detection in multivariate time series is a central challenge in industrial monitoring, as failures frequently arise from complex temporal dynamics and cross-sensor interactions. While recent deep learning models, including graph…

机器学习 · 计算机科学 2026-04-21 Pooyan Khosravinia , João Gama , Bruno Veloso

Trajectory prediction facilitates effective planning and decision-making, while constrained trajectory prediction integrates regulation into prediction. Recent advances in constrained trajectory prediction focus on structured constraints by…

机器人学 · 计算机科学 2025-03-19 Hao Ma , Zhiqiang Pu , Shijie Wang , Boyin Liu , Huimu Wang , Yanyan Liang , Jianqiang Yi

Large-scale single-stream pre-training has shown dramatic performance in image-text retrieval. Regrettably, it faces low inference efficiency due to heavy attention layers. Recently, two-stream methods like CLIP and ALIGN with high…

计算机视觉与模式识别 · 计算机科学 2022-05-23 Haoyu Lu , Nanyi Fei , Yuqi Huo , Yizhao Gao , Zhiwu Lu , Ji-Rong Wen

Stochastic Optimal Control (SOC) problems arise in systems influenced by uncertainty, such as autonomous robots or financial models. Traditional methods like dynamic programming are often intractable for high-dimensional, nonlinear systems…

最优化与控制 · 数学 2025-04-25 Apurva Patil

Unsupervised learning of latent motion from Internet videos is crucial for robot learning. Existing discrete methods generally mitigate the shortcut learning caused by extracting excessive static backgrounds through vector quantization with…

计算机视觉与模式识别 · 计算机科学 2026-03-30 Jiange Yang , Yansong Shi , Haoyi Zhu , Mingyu Liu , Kaijing Ma , Yating Wang , Gangshan Wu , Tong He , Limin Wang

Within a broad class of generative adversarial networks, we show that discriminator optimization process increases a lower bound of the dual cost function for the Wasserstein distance between the target distribution $p$ and the generator…

机器学习 · 统计学 2023-08-09 Akinori Tanaka

Trajectory prediction models in autonomous driving are vulnerable to perturbations from non-causal agents whose actions should not affect the ego-agent's behavior. Such perturbations can lead to incorrect predictions of other agents'…

机器人学 · 计算机科学 2026-05-19 Ehsan Ahmadi , Ray Mercurius , Soheil Alizadeh , Kasra Rezaee , Amir Rasouli

To measure the difference between two probability distributions, referred to as the source and target, respectively, we exploit both the chain rule and Bayes' theorem to construct conditional transport (CT), which is constituted by both a…

机器学习 · 统计学 2021-10-26 Huangjie Zheng , Mingyuan Zhou