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Recently, large-scale pre-trained language-image models like CLIP have shown extraordinary capabilities for understanding spatial contents, but naively transferring such models to video recognition still suffers from unsatisfactory temporal…

计算机视觉与模式识别 · 计算机科学 2023-09-15 Zhiwu Qing , Shiwei Zhang , Ziyuan Huang , Yingya Zhang , Changxin Gao , Deli Zhao , Nong Sang

Urban research involves a wide range of scenarios and tasks that require the understanding of multi-modal data. Current methods often focus on specific data types and lack a unified framework in urban field for processing them…

计算机视觉与模式识别 · 计算机科学 2025-07-01 Jie Feng , Shengyuan Wang , Tianhui Liu , Yanxin Xi , Yong Li

Machine learning-based forecasting models are commonly used in Intelligent Transportation Systems (ITS) to predict traffic patterns and provide city-wide services. However, most of the existing models are susceptible to adversarial attacks,…

机器学习 · 计算机科学 2023-06-27 Fan Liu , Weijia Zhang , Hao Liu

Robust Multi-Task Learning (MTL) is crucial for autonomous systems operating in real-world environments, where adverse weather conditions can severely degrade model performance and reliability. In this paper, we introduce RobuMTL, a novel…

计算机视觉与模式识别 · 计算机科学 2026-01-19 Tasneem Shaffee , Sherief Reda

Mobile devices and the Internet of Things (IoT) devices nowadays generate a large amount of heterogeneous spatial-temporal data. It remains a challenging problem to model the spatial-temporal dynamics under privacy concern. Federated…

机器学习 · 计算机科学 2024-11-05 Kaiyuan Li , Yihan Zhang , Huandong Wang , Yan Zhuo , Xinlei Chen

This paper presents a novel approach for multi-task learning of language understanding (LU) and dialogue state tracking (DST) in task-oriented dialogue systems. Multi-task training enables the sharing of the neural network layers…

计算与语言 · 计算机科学 2018-11-14 Abhinav Rastogi , Raghav Gupta , Dilek Hakkani-Tur

Single-task learning in artificial neural networks will be able to learn the model very well, and the benefits brought by transferring knowledge thus become limited. In this regard, when the number of tasks increases (e.g., semantic…

计算机视觉与模式识别 · 计算机科学 2021-09-03 Mohammad R. Bayanlou , Mehdi Khoshboresh-Masouleh

In this paper, we present PCoTTA, an innovative, pioneering framework for Continual Test-Time Adaptation (CoTTA) in multi-task point cloud understanding, enhancing the model's transferability towards the continually changing target domain.…

计算机视觉与模式识别 · 计算机科学 2024-11-04 Jincen Jiang , Qianyu Zhou , Yuhang Li , Xinkui Zhao , Meili Wang , Lizhuang Ma , Jian Chang , Jian Jun Zhang , Xuequan Lu

Forecasting high-resolution land subsidence is a critical yet challenging task due to its complex, non-linear dynamics. While standard architectures like ConvLSTM often fail to model long-range dependencies, we argue that a more fundamental…

计算机视觉与模式识别 · 计算机科学 2025-10-02 Wendong Yao , Binhua Huang , Soumyabrata Dev

Accurate traffic prediction plays a vital role in intelligent transportation systems by enabling efficient routing, congestion mitigation, and proactive traffic control. However, forecasting is challenging due to the combined effects of…

机器学习 · 计算机科学 2025-07-08 Mohamed Hamad , Mohamed Mabrok , Nizar Zorba

Spatio-temporal prediction aims to forecast and gain insights into the ever-changing dynamics of urban environments across both time and space. Its purpose is to anticipate future patterns, trends, and events in diverse facets of urban…

计算与语言 · 计算机科学 2024-05-21 Zhonghang Li , Lianghao Xia , Jiabin Tang , Yong Xu , Lei Shi , Long Xia , Dawei Yin , Chao Huang

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

Land surface temperature (LST) retrieval from remote sensing data is pivotal for analyzing climate processes and surface energy budgets. However, LST retrieval is an ill-posed inverse problem, which becomes particularly severe when only a…

大气与海洋物理 · 物理学 2026-03-18 Tian Xie , Menghui Jiang , Huanfeng Shen , Huifang Li , Chao Zeng , Jun Ma , Guanhao Zhang , Liangpei Zhang

We present LiSTA (LiDAR Spatio-Temporal Analysis), a system to detect probabilistic object-level change over time using multi-mission SLAM. Many applications require such a system, including construction, robotic navigation, long-term…

机器人学 · 计算机科学 2024-03-06 Joseph Rowell , Lintong Zhang , Maurice Fallon

This study develops FusionTransNet, a framework designed for Origin-Destination (OD) flow predictions within smart and multimodal urban transportation systems. Urban transportation complexity arises from the spatiotemporal interactions…

机器学习 · 计算机科学 2024-05-10 Binwu Wang , Yan Leng , Guang Wang , Yang Wang

Spatiotemporal data analysis is pivotal across various domains, such as transportation, meteorology, and healthcare. The data collected in real-world scenarios are often incomplete due to device malfunctions and network errors.…

机器学习 · 计算机科学 2024-03-25 Yakun Chen , Kaize Shi , Zhangkai Wu , Juan Chen , Xianzhi Wang , Julian McAuley , Guandong Xu , Shui Yu

When faced with learning a set of inter-related tasks from a limited amount of usable data, learning each task independently may lead to poor generalization performance. Multi-Task Learning (MTL) exploits the latent relations between tasks…

机器学习 · 计算机科学 2015-08-14 Niloofar Yousefi , Michael Georgiopoulos , Georgios C. Anagnostopoulos

Task oriented dialog agents provide a natural language interface for users to complete their goal. Dialog State Tracking (DST), which is often a core component of these systems, tracks the system's understanding of the user's goal…

计算与语言 · 计算机科学 2020-02-21 Adarsh Kumar , Peter Ku , Anuj Kumar Goyal , Angeliki Metallinou , Dilek Hakkani-Tur

Large-scale models have exhibited remarkable capabilities across diverse domains, including automated medical services and intelligent customer support. However, as most large models are trained on single-modality corpora, enabling them to…

计算机视觉与模式识别 · 计算机科学 2025-08-26 Hao Sun , Yu Song , Jiaqing Liu , Jihong Hu , Yen-Wei Chen , Lanfen Lin

Rehearsal, seeking to remind the model by storing old knowledge in lifelong learning, is one of the most effective ways to mitigate catastrophic forgetting, i.e., biased forgetting of previous knowledge when moving to new tasks. However,…

机器学习 · 计算机科学 2020-12-15 Fan Lyu , Shuai Wang , Wei Feng , Zihan Ye , Fuyuan Hu , Song Wang