中文
相关论文

相关论文: Learning Generalized and Flexible Trajectory Model…

200 篇论文

This paper presents Universal Vision-Language Dense Retrieval (UniVL-DR), which builds a unified model for multi-modal retrieval. UniVL-DR encodes queries and multi-modality resources in an embedding space for searching candidates from…

信息检索 · 计算机科学 2023-02-07 Zhenghao Liu , Chenyan Xiong , Yuanhuiyi Lv , Zhiyuan Liu , Ge Yu

Pedestrian action prediction is of great significance for many applications such as autonomous driving. However, state-of-the-art methods lack explainability to make trustworthy predictions. In this paper, a novel framework called MulCPred…

计算机视觉与模式识别 · 计算机科学 2024-09-17 Yan Feng , Alexander Carballo , Keisuke Fujii , Robin Karlsson , Ming Ding , Kazuya Takeda

Due to the rapid development of mobile Internet techniques, cloud computation and popularity of online social networking and location-based services, massive amount of multimedia data with geographical information is generated and uploaded…

多媒体 · 计算机科学 2018-08-21 Lei Zhu , Jun Long , Chengyuan Zhang , Ruipeng Chen , Xinpan Yuan , Zhan Yang

Despite recent progress in Multi-Modal Large Language Models (MLLMs), it remains challenging to integrate diverse tasks ranging from pixel-level perception to high-fidelity generation. Existing approaches often suffer from either restricted…

计算与语言 · 计算机科学 2026-01-29 Bin Zhu , Munan Ning , Peng Jin , Bin Lin , Jinfa Huang , Qi Song , Junwu Zhang , Zhenyu Tang , Mingjun Pan , Li Yuan

Accurately tracking and predicting behaviors of surrounding objects are key prerequisites for intelligent systems such as autonomous vehicles to achieve safe and high-quality decision making and motion planning. However, there still remain…

机器人学 · 计算机科学 2020-03-31 Jiachen Li , Wei Zhan , Yeping Hu , Masayoshi Tomizuka

Urban transportation systems encounter diverse challenges across multiple tasks, such as traffic forecasting, electric vehicle (EV) charging demand prediction, and taxi dispatch. Existing approaches suffer from two key limitations:…

计算与语言 · 计算机科学 2025-08-21 Jiaming Leng , Yunying Bi , Chuan Qin , Bing Yin , Yanyong Zhang , Chao Wang

Semantic retrieval, which retrieves semantically matched items given a textual query, has been an essential component to enhance system effectiveness in e-commerce search. In this paper, we study the multimodal retrieval problem, where the…

信息检索 · 计算机科学 2025-06-26 Zhigong Zhou , Ning Ding , Xiaochuan Fan , Yue Shang , Yiming Qiu , Jingwei Zhuo , Zhiwei Ge , Songlin Wang , Lin Liu , Sulong Xu , Han Zhang

Traces and their extension called combined traces (comtraces) are two formal models used in the analysis and verification of concurrent systems. Both models are based on concepts originating in the theory of formal languages, and they are…

计算机科学中的逻辑 · 计算机科学 2015-07-01 Lukasz Mikulski

GPS trajectories are the essential foundations for many trajectory-based applications, such as travel time estimation, traffic prediction and trajectory similarity measurement. Most applications require a large amount of high sample rate…

机器学习 · 计算机科学 2022-11-29 Yuqi Chen , Hanyuan Zhang , Weiwei Sun , Baihua Zheng

Trajectory similarity measures act as query predicates in trajectory databases, making them the key player in determining the query results. They also have a heavy impact on the query efficiency. An ideal measure should have the capability…

数据库 · 计算机科学 2023-02-21 Yanchuan Chang , Jianzhong Qi , Yuxuan Liang , Egemen Tanin

Leveraging multimodal data is an inherent requirement for comprehending geographic objects. However, due to the high heterogeneity in structure and semantics among various spatio-temporal modalities, the joint interpretation of multimodal…

人工智能 · 计算机科学 2025-01-08 Run Shao , Cheng Yang , Qiujun Li , Qing Zhu , Yongjun Zhang , YanSheng Li , Yu Liu , Yong Tang , Dapeng Liu , Shizhong Yang , Haifeng Li

This survey provides a comprehensive overview of recent advances in multimodal alignment and fusion within the field of machine learning, driven by the increasing availability and diversity of data modalities such as text, images, audio,…

计算机视觉与模式识别 · 计算机科学 2025-10-14 Songtao Li , Hao Tang

In the real world, where information is abundant and diverse across different modalities, understanding and utilizing various data types to improve retrieval systems is a key focus of research. Multimodal composite retrieval integrates…

计算机视觉与模式识别 · 计算机科学 2024-09-12 Suyan Li , Fuxiang Huang , Lei Zhang

Road network and trajectory representation learning are essential for traffic systems since the learned representation can be directly used in various downstream tasks (e.g., traffic speed inference, and travel time estimation). However,…

机器学习 · 计算机科学 2023-02-14 Zhenyu Mao , Ziyue Li , Dedong Li , Lei Bai , Rui Zhao

Multi-modal learning from video data has seen increased attention recently as it allows to train semantically meaningful embeddings without human annotation enabling tasks like zero-shot retrieval and classification. In this work, we…

计算机视觉与模式识别 · 计算机科学 2022-08-19 Nina Shvetsova , Brian Chen , Andrew Rouditchenko , Samuel Thomas , Brian Kingsbury , Rogerio Feris , David Harwath , James Glass , Hilde Kuehne

Current tomographic imaging systems need major improvements, especially when multi-dimensional, multi-scale, multi-temporal and multi-parametric phenomena are under investigation. Both preclinical and clinical imaging now depend on in vivo…

Pedestrian trajectory prediction is an essential and challenging task for a variety of real-life applications such as autonomous driving and robotic motion planning. Besides generating a single future path, predicting multiple plausible…

计算机视觉与模式识别 · 计算机科学 2022-06-14 Lihuan Li , Maurice Pagnucco , Yang Song

Learning generalizable trajectory representations from raw GPS traces remains difficult because the data is continuous, noisy, and irregularly sampled. Spatial tokenization is also challenging: fine grids yield sparse cells with weak…

机器学习 · 计算机科学 2026-05-20 Zhen Xiong , Shang-Ling Hsu , Cyrus Shahabi

Visual-tactile learning (VTL) enables embodied agents to perceive the physical world by integrating visual (VIS) and tactile (TAC) sensors. However, VTL still suffers from modality discrepancies between VIS and TAC images, as well as domain…

计算机视觉与模式识别 · 计算机科学 2026-01-05 Liuxiang Qiu , Hui Da , Yuzhen Niu , Tiesong Zhao , Yang Cao , Zheng-Jun Zha

In this paper we present a generic framework for ontology-based information retrieval. We focus on the recognition of semantic information extracted from data sources and the mapping of this knowledge into ontology. In order to achieve more…

信息检索 · 计算机科学 2014-09-04 Amir Zidi , Mourad Abed