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3D scene generation is in high demand across various domains, including virtual reality, gaming, and the film industry. Owing to the powerful generative capabilities of text-to-image diffusion models that provide reliable priors, the…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Haiyang Zhou , Xinhua Cheng , Wangbo Yu , Yonghong Tian , Li Yuan

This paper introduces UniGen, a novel approach to generating new traffic scenarios for evaluating and improving autonomous driving software through simulation. Our approach models all driving scenario elements in a unified model: the…

Automatically generating high-quality real world 3D scenes is of enormous interest for applications such as virtual reality and robotics simulation. Towards this goal, we introduce NeuralField-LDM, a generative model capable of synthesizing…

Computer Vision and Pattern Recognition · Computer Science 2023-04-20 Seung Wook Kim , Bradley Brown , Kangxue Yin , Karsten Kreis , Katja Schwarz , Daiqing Li , Robin Rombach , Antonio Torralba , Sanja Fidler

Scalable generation of outdoor driving scenes requires 3D representations that remain consistent across multiple viewpoints and scale to large areas. Existing solutions either rely on image or video generative models distilled to 3D space,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-08 Hiba Dahmani , Nathan Piasco , Moussab Bennehar , Luis Roldão , Dzmitry Tsishkou , Laurent Caraffa , Jean-Philippe Tarel , Roland Brémond

Synthesizing photo-realistic visual observations from an ego vehicle's driving trajectory is a critical step towards scalable training of self-driving models. Reconstruction-based methods create 3D scenes from driving logs and synthesize…

Computer Vision and Pattern Recognition · Computer Science 2025-01-07 Jiageng Mao , Boyi Li , Boris Ivanovic , Yuxiao Chen , Yan Wang , Yurong You , Chaowei Xiao , Danfei Xu , Marco Pavone , Yue Wang

Driving simulators play a large role in developing and testing new intelligent vehicle systems. The visual fidelity of the simulation is critical for building vision-based algorithms and conducting human driver experiments. Low visual…

Computer Vision and Pattern Recognition · Computer Science 2022-07-22 Ekim Yurtsever , Dongfang Yang , Ibrahim Mert Koc , Keith A. Redmill

Diverse and realistic traffic scenarios are crucial for evaluating the AI safety of autonomous driving systems in simulation. This work introduces a data-driven method called TrafficGen for traffic scenario generation. It learns from the…

Robotics · Computer Science 2023-03-07 Lan Feng , Quanyi Li , Zhenghao Peng , Shuhan Tan , Bolei Zhou

Generating realistic and diverse road scenarios is essential for autonomous vehicle testing and validation. Nevertheless, owing to the complexity and variability of real-world road environments, creating authentic and varied scenarios for…

Robotics · Computer Science 2024-11-15 Junjie Zhou , Lin Wang , Qiang Meng , Xiaofan Wang

Understanding the evolution of 3D scenes is important for effective autonomous driving. While conventional methods mode scene development with the motion of individual instances, world models emerge as a generative framework to describe the…

Computer Vision and Pattern Recognition · Computer Science 2024-05-31 Lening Wang , Wenzhao Zheng , Yilong Ren , Han Jiang , Zhiyong Cui , Haiyang Yu , Jiwen Lu

The ability to predict the future trajectories of traffic participants is crucial for the safe and efficient operation of autonomous vehicles. In this paper, a diffusion-based generative model for multi-agent trajectory prediction is…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Theodor Westny , Björn Olofsson , Erik Frisk

Reinforcement learning (RL) has evolved into a widely investigated technology for the development of smart TSC strategies. However, current RL algorithms necessitate excessive interaction with the environment to learn effective policies,…

Machine Learning · Computer Science 2025-03-05 Qiang Li , Yinhan Lin , Qin Luo , Lina Yu

SLEDGE is the first generative simulator for vehicle motion planning trained on real-world driving logs. Its core component is a learned model that is able to generate agent bounding boxes and lane graphs. The model's outputs serve as an…

Robotics · Computer Science 2024-07-12 Kashyap Chitta , Daniel Dauner , Andreas Geiger

Recent advancements in 3D generation have leveraged synthetic datasets with ground truth 3D assets and predefined cameras. However, the potential of adopting real-world datasets, which can produce significantly more realistic 3D scenes,…

Computer Vision and Pattern Recognition · Computer Science 2024-06-26 Xinyang Li , Zhangyu Lai , Linning Xu , Yansong Qu , Liujuan Cao , Shengchuan Zhang , Bo Dai , Rongrong Ji

Recent advances in diffusion models have opened new avenues for research into embodied AI agents and robotics. Despite significant achievements in complex robotic locomotion and skills, mobile manipulation-a capability that requires the…

Robotics · Computer Science 2025-04-03 Sixu Yan , Zeyu Zhang , Muzhi Han , Zaijin Wang , Qi Xie , Zhitian Li , Zhehan Li , Hangxin Liu , Xinggang Wang , Song-Chun Zhu

Constructing simulation scenes that are both visually and physically realistic is a problem of practical interest in domains ranging from robotics to computer vision. This problem has become even more relevant as researchers wielding large…

Training robots in simulation requires diverse 3D scenes that reflect the specific challenges of downstream tasks. However, scenes that satisfy strict task requirements, such as high-clutter environments with plausible spatial arrangement,…

Robotics · Computer Science 2025-08-27 Nicholas Pfaff , Hongkai Dai , Sergey Zakharov , Shun Iwase , Russ Tedrake

Diffusion models have emerged as a formidable tool for training-free conditional generation.However, a key hurdle in inference-time guidance techniques is the need for compute-heavy backpropagation through the diffusion network for…

Computer Vision and Pattern Recognition · Computer Science 2024-06-05 Nithin Gopalakrishnan Nair , Vishal M Patel

With the rapid advancement of autonomous driving technology, a lack of data has become a major obstacle to enhancing perception model accuracy. Researchers are now exploring controllable data generation using world models to diversify…

Computer Vision and Pattern Recognition · Computer Science 2025-06-27 Xinqing Li , Ruiqi Song , Qingyu Xie , Ye Wu , Nanxin Zeng , Yunfeng Ai

Machine learning based autonomous driving systems often face challenges with safety-critical scenarios that are rare in real-world data, hindering their large-scale deployment. While increasing real-world training data coverage could…

Machine Learning · Computer Science 2024-09-13 Yuan Yin , Pegah Khayatan , Éloi Zablocki , Alexandre Boulch , Matthieu Cord

We describe an open-source simulator that creates sensor irradiance and sensor images of typical automotive scenes in urban settings. The purpose of the system is to support camera design and testing for automotive applications. The user…

Computer Vision and Pattern Recognition · Computer Science 2019-02-13 Zhenyi Liu , Minghao Shen , Jiaqi Zhang , Shuangting Liu , Henryk Blasinski , Trisha Lian , Brian Wandell