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Latest diffusion-based methods for many image restoration tasks outperform traditional models, but they encounter the long-time inference problem. To tackle it, this paper proposes a Wavelet-Based Diffusion Model (WaveDM). WaveDM learns the…

计算机视觉与模式识别 · 计算机科学 2024-01-26 Yi Huang , Jiancheng Huang , Jianzhuang Liu , Mingfu Yan , Yu Dong , Jiaxi Lv , Chaoqi Chen , Shifeng Chen

Path planning for a robotic system in high-dimensional cluttered environments needs to be efficient, safe, and adaptable for different environments and hardware. Conventional methods face high computation time and require extensive…

Understanding human mobility is essential for applications in public health, transportation, and urban planning. However, mobility data often suffers from sparsity due to limitations in data collection methods, such as infrequent GPS…

机器学习 · 计算机科学 2025-07-08 Hao Yang , Angela Yao , Christopher Whalen , Gengchen Mai

There are five types of trajectory prediction tasks: deterministic, stochastic, domain adaptation, momentary observation, and few-shot. These associated tasks are defined by various factors, such as the length of input paths, data split and…

计算机视觉与模式识别 · 计算机科学 2024-03-28 Inhwan Bae , Young-Jae Park , Hae-Gon Jeon

Inference of detailed vehicle trajectories is crucial for applications such as traffic flow modeling, energy consumption estimation, and traffic flow optimization. Static sensors can provide only aggregated information, posing challenges in…

系统与控制 · 电气工程与系统科学 2025-01-24 Yifan Zhang , Anastasios Kouvelas , Michail A. Makridis

Automated parking is a critical feature of Advanced Driver Assistance Systems (ADAS), where accurate trajectory prediction is essential to bridge perception and planning modules. Despite its significance, research in this domain remains…

机器人学 · 计算机科学 2025-08-14 Jiarong Wei , Niclas Vödisch , Anna Rehr , Christian Feist , Abhinav Valada

Trajectory computing is a pivotal domain encompassing trajectory data management and mining, garnering widespread attention due to its crucial role in various practical applications such as location services, urban traffic, and public…

Diffusion models have been extensively utilized in AI-generated content (AIGC) in recent years, thanks to the superior generation capabilities. Combining with semantic communications, diffusion models are used for tasks such as denoising,…

机器学习 · 计算机科学 2025-07-10 Lei Guo , Wei Chen , Yuxuan Sun , Bo Ai , Nikolaos Pappas , Tony Q. S. Quek

Diffusion models excel at creating images and videos thanks to their multimodal generative capabilities. These same capabilities have made diffusion models increasingly popular in robotics research, where they are used for generating robot…

机器人学 · 计算机科学 2025-04-29 Jean-Baptiste Bouvier , Kanghyun Ryu , Kartik Nagpal , Qiayuan Liao , Koushil Sreenath , Negar Mehr

The pedestrian trajectory prediction task is an essential component of intelligent systems. Its applications include but are not limited to autonomous driving, robot navigation, and anomaly detection of monitoring systems. Due to the…

计算机视觉与模式识别 · 计算机科学 2023-07-28 Rongqin Liang , Yuanman Li , Jiantao Zhou , Xia Li

This paper addresses the problem of reconstructing missing or dropped frames in top-down drone video of autonomous surface vehicles performing structured maritime manoeuvres. We propose a pipeline that converts raw GPS telemetry and a…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Stelio Bompai , Ioannis Kontopoulos , Giannis Spiliopoulos , Dimitris Zissis , Konstantinos Tserpes

Numerous models have been developed for scanpath and saliency prediction, which are typically trained on scanpaths, which model eye movement as a sequence of discrete fixation points connected by saccades, while the rich information…

计算机视觉与模式识别 · 计算机科学 2025-10-10 Ozgur Kara , Harris Nisar , James M. Rehg

We present a diffusion-based framework for document-centric background generation that achieves foreground preservation and multi-page stylistic consistency through latent-space design rather than explicit constraints. Instead of…

计算机视觉与模式识别 · 计算机科学 2026-01-30 Taewon Kang

With the development of audio playback devices and fast data transmission, the demand for high sound quality is rising for both entertainment and communications. In this quest for better sound quality, challenges emerge from distortions and…

音频与语音处理 · 电气工程与系统科学 2024-11-12 Jean-Marie Lemercier , Julius Richter , Simon Welker , Eloi Moliner , Vesa Välimäki , Timo Gerkmann

Trajectory prediction is an essential component in autonomous driving, particularly for collision avoidance systems. Considering the inherent uncertainty of the task, numerous studies have utilized generative models to produce multiple…

计算机视觉与模式识别 · 计算机科学 2024-03-15 Chen Liu , Shibo He , Haoyu Liu , Jiming Chen

Conditional diffusion models provide a natural framework for probabilistic prediction of dynamical systems and have been successfully applied to fluid dynamics and weather prediction. However, in many settings, the available information at…

Diffusion models have shown promising capabilities in trajectory generation for planning in offline reinforcement learning (RL). However, conventional diffusion-based planning methods often fail to account for the fact that generating…

人工智能 · 计算机科学 2026-02-25 Hanping Zhang , Yuhong Guo

Predicting pedestrian movement is critical for human behavior analysis and also for safe and efficient human-agent interactions. However, despite significant advancements, it is still challenging for existing approaches to capture the…

计算机视觉与模式识别 · 计算机科学 2022-11-01 Pei Xu , Jean-Bernard Hayet , Ioannis Karamouzas

Propagation modeling is a crucial tool for successful wireless deployments and spectrum planning with the demand for high modeling accuracy continuing to grow. Recognizing that detailed knowledge of the physical environment (terrain and…

机器学习 · 计算机科学 2024-05-30 Jonathan Ethier , Mathieu Chateauvert

This work presents a model reduction approach for problems with coherent structures that propagate over time such as convection-dominated flows and wave-type phenomena. Traditional model reduction methods have difficulties with these…

数值分析 · 数学 2020-06-16 Benjamin Peherstorfer