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Contrastive language-image pretraining (CLIP) has demonstrated remarkable success in various image tasks. However, how to extend CLIP with effective temporal modeling is still an open and crucial problem. Existing factorized or joint…

Computer Vision and Pattern Recognition · Computer Science 2023-08-16 Shuyuan Tu , Qi Dai , Zuxuan Wu , Zhi-Qi Cheng , Han Hu , Yu-Gang Jiang

Spatio-temporal point processes (STPPs) model discrete events distributed in time and space, with important applications in areas such as criminology, seismology, epidemiology, and social networks. Traditional models often rely on…

Machine Learning · Statistics 2025-08-26 Xiuyuan Cheng , Zheng Dong , Yao Xie

Second-order statistics play a crucial role in analysing point processes. Previous research has specifically explored locally weighted second-order statistics for point processes, offering diagnostic tests in various spatial domains.…

Methodology · Statistics 2024-04-17 Nicoletta D'Angelo , Giada Adelfio , Jorge Mateu , Ottmar Cronie

Temporal point process as the stochastic process on continuous domain of time is commonly used to model the asynchronous event sequence featuring with occurrence timestamps. Thanks to the strong expressivity of deep neural networks, they…

Machine Learning · Computer Science 2024-12-25 Haitao Lin , Cheng Tan , Lirong Wu , Zhangyang Gao , Zicheng Liu , Stan. Z. Li

Standard imitation learning (IL) methods have achieved considerable success in robotics, yet often rely on the Markov assumption, which falters in long-horizon tasks where history is crucial for resolving perceptual ambiguity. This…

Robotics · Computer Science 2025-10-16 Yulin Zhou , Yuankai Lin , Fanzhe Peng , Jiahui Chen , Kaiji Huang , Hua Yang , Zhouping Yin

Temporal Interaction Graphs (TIGs) are widely utilized to represent real-world systems. To facilitate representation learning on TIGs, researchers have proposed a series of TIG models. However, these models are still facing two tough gaps…

Artificial Intelligence · Computer Science 2024-03-07 Xi Chen , Siwei Zhang , Yun Xiong , Xixi Wu , Jiawei Zhang , Xiangguo Sun , Yao Zhang , Feng Zhao , Yulin Kang

We develop and demonstrate a trainable temporal post-processor (TPP) harnessing a simple but versatile machine learning algorithm to provide optimal processing of quantum measurement data subject to arbitrary noise processes, for the…

Quantum Physics · Physics 2024-07-30 Saeed A. Khan , Ryan Kaufman , Boris Mesits , Michael Hatridge , Hakan E. Türeci

We propose a constructive approach to building temporal point processes that incorporate dependence on their history. The dependence is modeled through the conditional density of the duration, i.e., the interval between successive event…

Methodology · Statistics 2025-10-31 Xiaotian Zheng , Athanasios Kottas , Bruno Sansó

The efficient computation of parametric solution sensitivities is a key challenge in the integration of learning-enhanced methods with nonlinear model predictive control (MPC), as their availability is crucial for many learning algorithms.…

Electronic Health Records (EHR) can be represented as temporal sequences that record the events (medical visits) from patients. Neural temporal point process (NTPP) has achieved great success in modeling event sequences that occur in…

Machine Learning · Computer Science 2024-04-15 Bingqing Liu

The Instruction Following (IF) ability measures how well Multi-modal Large Language Models (MLLMs) understand exactly what users are telling them and whether they are doing it right. Existing multimodal instruction following training data…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Shengyuan Ding , Shenxi Wu , Xiangyu Zhao , Yuhang Zang , Haodong Duan , Xiaoyi Dong , Pan Zhang , Yuhang Cao , Dahua Lin , Jiaqi Wang

Visual Prompt Tuning (VPT) of pre-trained Vision Transformers (ViTs) has proven highly effective as a parameter-efficient fine-tuning technique for adapting large models to downstream tasks with limited data. Its parameter efficiency makes…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 M Yashwanth , Sharannya Ghosh , Aditay Tripathi , Anirban Chakraborty

This paper studies integral-type event-triggered model predictive control (MPC) of continuous-time nonlinear systems. An integral-type event-triggered mechanism is proposed by incorporating the integral of errors between the actual and…

Optimization and Control · Mathematics 2020-02-19 Qi Sun , Jicheng Chen , Yang Shi

In this paper, we address the problem of fitting multivariate Hawkes processes to potentially large-scale data in a setting where series of events are not only mutually-exciting but can also exhibit inhibitive patterns. We focus on…

Probability · Mathematics 2014-05-19 Remi Lemonnier , Nicolas Vayatis

Forecasting multiple future events within a given time horizon is essential for applications in finance, retail, social networks, and healthcare. Marked Temporal Point Processes (MTPP) provide a principled framework to model both the timing…

Machine Learning · Computer Science 2025-08-05 Ivan Karpukhin , Foma Shipilov , Andrey Savchenko

Predicting when and where events will occur in cities, like taxi pick-ups, crimes, and vehicle collisions, is a challenging and important problem with many applications in fields such as urban planning, transportation optimization and…

Machine Learning · Statistics 2019-06-24 Maya Okawa , Tomoharu Iwata , Takeshi Kurashima , Yusuke Tanaka , Hiroyuki Toda , Naonori Ueda

Improving the generalization ability of Vision-Language Pre-trained Models (VLMs) under test-time data distribution shifts remains a critical challenge. The existing Test-Time Adaptation (TTA) methods fall short in fully leveraging the…

Computer Vision and Pattern Recognition · Computer Science 2025-06-05 Jiaming Yi , Ruirui Pan , Jishen Yang , Xiulong Yang

We propose a latent topic model with a Markovian transition for process data, which consist of time-stamped events recorded in a log file. Such data are becoming more widely available in computer-based educational assessment with complex…

Methodology · Statistics 2019-11-06 Haochen Xu , Guanhua Fang , Zhiliang Ying

Inhomogeneous phase-type (IPH) distributions extend classical phase-type models by allowing transition intensities to vary over time, offering greater flexibility for modeling heavy-tailed or time-dependent absorption phenomena. We focus on…

Methodology · Statistics 2025-12-19 Fernando Baltazar-Larios , Alejandra Quintos

A possibly time-dependent transition intensity matrix or generator $(Q(t))$ characterizes the law of a Markov jump process (MP). For a time homogeneous MP, the transition probability matrix (TPM) can be expressed as a matrix exponential of…

Methodology · Statistics 2025-07-23 Dario Gasbarra , Sangita Kulathinal , Etienne Sebag