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Related papers: La La LiDAR: Large-Scale Layout Generation from Li…

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Building LiDAR generative models holds promise as powerful data priors for restoration, scene manipulation, and scalable simulation in autonomous mobile robots. In recent years, approaches using diffusion models have emerged, significantly…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Kazuto Nakashima , Xiaowen Liu , Tomoya Miyawaki , Yumi Iwashita , Ryo Kurazume

High-resolution LiDAR data plays a critical role in 3D semantic segmentation for autonomous driving, but the high cost of advanced sensors limits large-scale deployment. In contrast, low-cost sensors such as 16-channel LiDAR produce sparse…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Alexandros Gkillas , Nikos Piperigkos , Aris S. Lalos

This paper introduces a novel hierarchical autoencoder that maps 3D models into a highly compressed latent space. The hierarchical autoencoder is specifically designed to tackle the challenges arising from large-scale datasets and…

Computer Vision and Pattern Recognition · Computer Science 2024-10-03 Biao Zhang , Peter Wonka

Just as humans can become disoriented in featureless deserts or thick fogs, not all environments are conducive to the Localization Accuracy and Stability (LAS) of autonomous robots. This paper introduces an efficient framework designed to…

Robotics · Computer Science 2024-08-06 Kaixin Chai , Long Xu , Qianhao Wang , Chao Xu , Peng Yin , Fei Gao

We present Lay-Your-Scene (shorthand LayouSyn), a novel text-to-layout generation pipeline for natural scenes. Prior scene layout generation methods are either closed-vocabulary or use proprietary large language models for open-vocabulary…

Computer Vision and Pattern Recognition · Computer Science 2025-05-09 Divyansh Srivastava , Xiang Zhang , He Wen , Chenru Wen , Zhuowen Tu

We introduce SLayR, Scene Layout Generation with Rectified flow, a novel transformer-based model for text-to-layout generation which can then be paired with existing layout-to-image models to produce images. SLayR addresses a domain in…

Computer Vision and Pattern Recognition · Computer Science 2025-03-13 Cameron Braunstein , Hevra Petekkaya , Jan Eric Lenssen , Mariya Toneva , Eddy Ilg

Photorealistic 3D scene reconstruction plays an important role in autonomous driving, enabling the generation of novel data from existing datasets to simulate safety-critical scenarios and expand training data without additional acquisition…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Pou-Chun Kung , Xianling Zhang , Katherine A. Skinner , Nikita Jaipuria

Integrated sensing and communications is a key enabler for the 6G wireless communication systems. The multiple sensing modalities will allow the base station to have a more accurate representation of the environment, leading to…

Computer Vision and Pattern Recognition · Computer Science 2024-06-28 Mohammad Farzanullah , Han Zhang , Akram Bin Sediq , Ali Afana , Melike Erol-Kantarci

Generating realistic and diverse LiDAR point clouds is crucial for autonomous driving simulation. Although previous methods achieve LiDAR point cloud generation from user inputs, they struggle to attain high-quality results while enabling…

Computer Vision and Pattern Recognition · Computer Science 2025-12-24 Haiyun Wei , Fan Lu , Yunwei Zhu , Zehan Zheng , Weiyi Xue , Lin Shao , Xudong Zhang , Ya Wu , Rong Fu , Guang Chen

Recent text-to-scene generation approaches largely reduced the manual efforts required to create 3D scenes. However, their focus is either to generate a scene layout or to generate objects, and few generate both. The generated scene layout…

Computer Vision and Pattern Recognition · Computer Science 2026-04-30 Zhenggang Tang , Yuehao Wang , Yuchen Fan , Jun-Kun Chen , Yu-Ying Yeh , Kihyuk Sohn , Zhangyang Wang , Qixing Huang , Alexander Schwing , Rakesh Ranjan , Dilin Wang , Zhicheng Yan

Large-scale scene data is essential for training and testing in robot learning. Neural reconstruction methods have promised the capability of reconstructing large physically-grounded outdoor scenes from captured sensor data. However, these…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 Julian Ost , Andrea Ramazzina , Amogh Joshi , Maximilian Bömer , Mario Bijelic , Felix Heide

We present GALA3D, generative 3D GAussians with LAyout-guided control, for effective compositional text-to-3D generation. We first utilize large language models (LLMs) to generate the initial layout and introduce a layout-guided 3D Gaussian…

Computer Vision and Pattern Recognition · Computer Science 2024-06-12 Xiaoyu Zhou , Xingjian Ran , Yajiao Xiong , Jinlin He , Zhiwei Lin , Yongtao Wang , Deqing Sun , Ming-Hsuan Yang

In autonomous driving scenarios, the collected LiDAR point clouds can be challenged by occlusion and long-range sparsity, limiting the perception of autonomous driving systems. Scene completion methods can infer the missing parts of…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Andrea Matteazzi , Dietmar Tutsch

We present a LiDAR-based and real-time capable 3D perception system for automated driving in urban domains. The hierarchical system design is able to model stationary and movable parts of the environment simultaneously and under real-time…

Robotics · Computer Science 2020-05-08 Jens Rieken , Markus Maurer

LiDAR scene synthesis is an emerging solution to scarcity in 3D data for robotic tasks such as autonomous driving. Recent approaches employ diffusion or flow matching models to generate realistic scenes, but 3D data remains limited compared…

Computer Vision and Pattern Recognition · Computer Science 2026-02-16 Nicolas Sereyjol-Garros , Ellington Kirby , Victor Besnier , Nermin Samet

Language-guided scene-aware human motion generation has great significance for entertainment and robotics. In response to the limitations of existing datasets, we introduce LaserHuman, a pioneering dataset engineered to revolutionize…

Computer Vision and Pattern Recognition · Computer Science 2024-03-22 Peishan Cong , Ziyi Wang , Zhiyang Dou , Yiming Ren , Wei Yin , Kai Cheng , Yujing Sun , Xiaoxiao Long , Xinge Zhu , Yuexin Ma

Automated creation of synthetic traffic scenarios is a key part of validating the safety of autonomous vehicles (AVs). In this paper, we propose Scenario Diffusion, a novel diffusion-based architecture for generating traffic scenarios that…

Machine Learning · Computer Science 2023-11-20 Ethan Pronovost , Meghana Reddy Ganesina , Noureldin Hendy , Zeyu Wang , Andres Morales , Kai Wang , Nicholas Roy

Perception systems play a crucial role in autonomous driving, incorporating multiple sensors and corresponding computer vision algorithms. 3D LiDAR sensors are widely used to capture sparse point clouds of the vehicle's surroundings.…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Helin Cao , Sven Behnke

Layout generation aims to synthesize realistic graphic scenes consisting of elements with different attributes including category, size, position, and between-element relation. It is a crucial task for reducing the burden on heavy-duty…

Computer Vision and Pattern Recognition · Computer Science 2023-03-10 Mude Hui , Zhizheng Zhang , Xiaoyi Zhang , Wenxuan Xie , Yuwang Wang , Yan Lu

We propose a diffusion-based approach for Text-to-Image (T2I) generation with interactive 3D layout control. Layout control has been widely studied to alleviate the shortcomings of T2I diffusion models in understanding objects' placement…

Computer Vision and Pattern Recognition · Computer Science 2024-08-28 Abdelrahman Eldesokey , Peter Wonka