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Closed-loop simulation environments play a crucial role in the validation and enhancement of autonomous driving systems (ADS). However, certain challenges warrant significant attention, including balancing simulation accuracy with duration,…

Robotics · Computer Science 2025-02-14 Daocheng Fu , Naiting Zhong , Xu Han , Pinlong Cai , Licheng Wen , Song Mao , Botian Shi , Yu Qiao

With the rapid growth of urban transportation and the continuous progress in autonomous driving, a demand for robust benchmarking autonomous driving algorithms has emerged, calling for accurate modeling of large-scale urban traffic…

Robotics · Computer Science 2025-02-14 Yuheng Zhang , Tianjian Ouyang , Fudan Yu , Lei Qiao , Wei Wu , Jingtao Ding , Jian Yuan , Yong Li

For many fundamental scene understanding tasks, it is difficult or impossible to obtain per-pixel ground truth labels from real images. We address this challenge by introducing Hypersim, a photorealistic synthetic dataset for holistic…

Computer Vision and Pattern Recognition · Computer Science 2021-08-19 Mike Roberts , Jason Ramapuram , Anurag Ranjan , Atulit Kumar , Miguel Angel Bautista , Nathan Paczan , Russ Webb , Joshua M. Susskind

Scaling data volume and diversity is critical for generalizing embodied intelligence. While synthetic data generation offers a scalable alternative to expensive physical data acquisition, transferring robotic manipulation policies from…

As perception models continue to develop, the need for large-scale datasets increases. However, data annotation remains far too expensive to effectively scale and meet the demand. Synthetic datasets provide a solution to boost model…

Computer Vision and Pattern Recognition · Computer Science 2025-06-23 Arpit Jadon , Haoran Wang , Phillip Thomas , Michael Stanley , S. Nathaniel Cibik , Rachel Laurat , Omar Maher , Lukas Hoyer , Ozan Unal , Dengxin Dai

Camera sensor simulation serves as a critical role for autonomous driving (AD), e.g. evaluating vision-based AD algorithms. While existing approaches have leveraged generative models for controllable image/video generation, they remain…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Wenchao Sun , Xuewu Lin , Keyu Chen , Zixiang Pei , Yining Shi , Chuang Zhang , Sifa Zheng

Detecting a diverse range of objects under various driving scenarios is essential for the effectiveness of autonomous driving systems. However, the real-world data collected often lacks the necessary diversity presenting a long-tail…

Computer Vision and Pattern Recognition · Computer Science 2024-03-25 Aqeel Anwar , Tae Eun Choe , Zian Wang , Sanja Fidler , Minwoo Park

Data-driven autonomous driving simulation has long been constrained by its heavy reliance on pre-recorded driving logs or spatial priors, such as HD maps. This fundamental dependency severely limits scalability, restricting open-ended…

Computer Vision and Pattern Recognition · Computer Science 2026-04-01 Tianran Liu , Shengwen Zhao , Mozhgan Pourkeshavarz , Weican Li , Nicholas Rhinehart

Synthesizing interactive 3D scenes from text is essential for gaming, virtual reality, and embodied AI. However, existing methods face several challenges. Learning-based approaches depend on small-scale indoor datasets, limiting the scene…

Computer Vision and Pattern Recognition · Computer Science 2025-05-06 Lu Ling , Chen-Hsuan Lin , Tsung-Yi Lin , Yifan Ding , Yu Zeng , Yichen Sheng , Yunhao Ge , Ming-Yu Liu , Aniket Bera , Zhaoshuo Li

How can we reliably simulate future driving scenarios under a wide range of ego driving behaviors? Recent driving world models, developed exclusively on real-world driving data composed mainly of safe expert trajectories, struggle to follow…

Computer Vision and Pattern Recognition · Computer Science 2026-04-29 Jiazhi Yang , Kashyap Chitta , Shenyuan Gao , Long Chen , Yuqian Shao , Xiaosong Jia , Hongyang Li , Andreas Geiger , Xiangyu Yue , Li Chen

Recently, researchers in Machine Learning algorithms, Computer Vision scientists, engineers and others, showed a growing interest in 3D simulators as a mean to artificially create experimental settings that are very close to those in the…

Computer Vision and Pattern Recognition · Computer Science 2022-10-18 Enrico Meloni , Luca Pasqualini , Matteo Tiezzi , Marco Gori , Stefano Melacci

Ensuring realistic traffic dynamics is a prerequisite for simulation platforms to evaluate the reliability of self-driving systems before deployment in the real world. Because most road users are human drivers, reproducing their diverse…

Robotics · Computer Science 2025-08-26 Wendi Li , Hao Wu , Han Gao , Bing Mao , Fengyuan Xu , Sheng Zhong

The study of complex many-body systems via analysis of the trajectories of the units that dynamically move and interact within them is a non-trivial task. The workflow for extracting meaningful information from the raw trajectory data is…

Materials Science · Physics 2025-10-31 Simone Martino , Matteo Becchi , Andrew Tarzia , Daniele Rapetti , Giovanni M. Pavan

Within academia and industry, there has been a need for expansive simulation frameworks that include model-based simulation of sensors, mobile vehicles, and the environment around them. To this end, the modular, real-time, and open-source…

We present a vision simulator device (Katsim), a compact near-eye optical display designed for assessing postoperative corrected vision, preoperative intraocular lens (IOL) assessment, and objective IOL characterization. The system forms a…

While LLM/VLM-powered AI agents have advanced rapidly in math, coding, and computer use, their applications in complex physical and social environments remain challenging. Building agents that can survive and thrive in the real world (for…

MuSim is a new user-friendly program designed to interface to many different particle simulation codes, regardless of their data formats or geometry descriptions. It presents the user with a compelling graphical user interface that includes…

Educational simulations have long been recognized as powerful tools for enhancing learning outcomes, yet their creation has traditionally required substantial resources and technical expertise. This paper introduces MicroSims a novel…

Artificial Intelligence · Computer Science 2025-11-26 Valerie Lockhart , Dan McCreary , Troy A. Peterson

Conducting real road testing for autonomous driving algorithms can be expensive and sometimes impractical, particularly for small startups and research institutes. Thus, simulation becomes an important method for evaluating these…

Supervised open-loop training has been widely adopted for training traffic simulation models; however, it fails to capture the inherently dynamic, multi-agent interactions common in complex driving scenarios. We introduce RLFTSim, a…