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Diffusion models are the mainstream approach for time series generation tasks. However, existing diffusion models for time series generation require retraining the entire framework to introduce specific conditional guidance. There also…

机器学习 · 计算机科学 2025-09-25 Mingchun Sun , Rongqiang Zhao , Hengrui Hu , Songyu Ding , Jie Liu

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 presents a pedestrian motion model that includes both low level trajectory patterns, and high level discrete transitions. The inclusion of both levels creates a more general predictive model, allowing for more meaningful…

机器人学 · 计算机科学 2020-01-30 Yutao Han , Rina Tse , Mark Campbell

Remote sensing change detection is crucial for understanding the dynamics of our planet's surface, facilitating the monitoring of environmental changes, evaluating human impact, predicting future trends, and supporting decision-making. In…

计算机视觉与模式识别 · 计算机科学 2024-01-15 Wele Gedara Chaminda Bandara , Nithin Gopalakrishnan Nair , Vishal M. Patel

Pedestrian trajectory prediction plays an important role in autonomous driving systems and robotics. Recent work utilizing prominent deep learning models for pedestrian motion prediction makes limited a priori assumptions about human…

机器人学 · 计算机科学 2024-03-12 Honghui Wang , Weiming Zhi , Gustavo Batista , Rohitash Chandra

Long-term human trajectory prediction is a challenging yet critical task in robotics and autonomous systems. Prior work that studied how to predict accurate short-term human trajectories with only unimodal features often failed in long-term…

机器人学 · 计算机科学 2024-05-31 Zhitian Zhang , Anjian Li , Angelica Lim , Mo Chen

Motion planning in dynamic urban environments requires balancing immediate safety with long-term goals. While diffusion models effectively capture multi-modal decision-making, existing approaches treat trajectories as monolithic entities,…

机器人学 · 计算机科学 2026-03-27 Xiang Li , Bikun Wang , John Zhang , Jianjun Wang

Pedestrian trajectory forecasting is crucial in various applications such as autonomous driving and mobile robot navigation. In such applications, camera-based perception enables the extraction of additional modalities (human pose, text) to…

计算机视觉与模式识别 · 计算机科学 2025-03-31 Jaewoo Jeong , Seohee Lee , Daehee Park , Giwon Lee , Kuk-Jin Yoon

The lack of real-world data in clinical fields poses a major obstacle in training effective AI models for diagnostic and preventive tools in medicine. Generative AI has shown promise in increasing data volume and enhancing model training,…

机器学习 · 计算机科学 2026-02-10 Md Shahriar Kabir , Sana Alamgeer , Minakshi Debnath , Anne H. H. Ngu

Trajectory prediction is confronted with the dilemma to capture the multi-modal nature of future dynamics with both diversity and accuracy. In this paper, we present a distribution discrimination (DisDis) method to predict personalized…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Guangyi Chen , Junlong Li , Nuoxing Zhou , Liangliang Ren , Jiwen Lu

Tracking a point through a video can be a challenging task due to uncertainty arising from visual obfuscations, such as appearance changes and occlusions. Although current state-of-the-art discriminative models excel in regressing long-term…

计算机视觉与模式识别 · 计算机科学 2025-10-27 Mattie Tesfaldet , Adam W. Harley , Konstantinos G. Derpanis , Derek Nowrouzezahrai , Christopher Pal

Long-term action anticipation has become an important task for many applications such as autonomous driving and human-robot interaction. Unlike short-term anticipation, predicting more actions into the future imposes a real challenge with…

计算机视觉与模式识别 · 计算机科学 2024-07-17 Olga Zatsarynna , Emad Bahrami , Yazan Abu Farha , Gianpiero Francesca , Juergen Gall

Score-based generative models (SGMs) have recently emerged as a promising class of generative models. However, a fundamental limitation is that their inference is very slow due to a need for many (e.g., 2000) iterations of sequential…

计算机视觉与模式识别 · 计算机科学 2022-12-06 Hengyuan Ma , Li Zhang , Xiatian Zhu , Jianfeng Feng

Diffusion models have recently emerged as effective generative frameworks for trajectory optimization, capable of producing high-quality and diverse solutions. However, training these models in a purely data-driven manner without explicit…

机器人学 · 计算机科学 2025-04-02 Anjian Li , Ryne Beeson

Predicting human trajectories is a challenging task due to the complexity of pedestrian behavior, which is influenced by external factors such as the scene's topology and interactions with other pedestrians. A special challenge arises from…

物理与社会 · 物理学 2023-07-31 Raphael Korbmacher , Huu-Tu Dang , Antoine Tordeux

Pedestrian trajectory prediction plays a pivotal role in the realms of autonomous driving and smart cities. Despite extensive prior research employing sequence and generative models, the unpredictable nature of pedestrians, influenced by…

计算机视觉与模式识别 · 计算机科学 2024-05-14 Yao Liu , Quan Z. Sheng , Lina Yao

Discrete diffusion models (DMs) have achieved strong performance in language and other discrete domains, offering a compelling alternative to autoregressive modeling. Yet this performance typically depends on large training datasets,…

机器学习 · 计算机科学 2026-04-16 Julian Kleutgens , Claudio Battiloro , Lingkai Kong , Benjamin Grewe , Francesca Dominici , Mauricio Tec

Denoising diffusion probabilistic models (DDPMs) are a recent family of generative models that achieve state-of-the-art results. In order to obtain class-conditional generation, it was suggested to guide the diffusion process by gradients…

计算机视觉与模式识别 · 计算机科学 2023-03-17 Bahjat Kawar , Roy Ganz , Michael Elad

Recently, 3D LiDAR has emerged as a promising technique in the field of gait-based person identification, serving as an alternative to traditional RGB cameras, due to its robustness under varying lighting conditions and its ability to…

计算机视觉与模式识别 · 计算机科学 2024-10-15 Jeongho Ahn , Kazuto Nakashima , Koki Yoshino , Yumi Iwashita , Ryo Kurazume

Generative motion prediction must satisfy three simultaneous requirements for real-world autonomy: high accuracy, diverse multimodal futures, and strictly bounded latency. Diffusion models meet the first two but violate the third, requiring…

机器人学 · 计算机科学 2026-04-30 Leandro Di Bella , Adrian Munteanu , Bruno Cornelis