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We present VoxScene, a novel anchor-conditioned voxel diffusion framework tailored for 3D scene synthesis. Current data-driven layout generation techniques typically rely on bounding proxies or implicit representations, which overlook…

Accurate 3D object detection in large-scale outdoor scenes, characterized by considerable variations in object scales, necessitates features rich in both long-range and fine-grained information. While recent detectors have utilized…

Computer Vision and Pattern Recognition · Computer Science 2024-01-23 Jianan Li , Shaocong Dong , Lihe Ding , Tingfa Xu

3D object detectors usually rely on hand-crafted proxies, e.g., anchors or centers, and translate well-studied 2D frameworks to 3D. Thus, sparse voxel features need to be densified and processed by dense prediction heads, which inevitably…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Yukang Chen , Jianhui Liu , Xiangyu Zhang , Xiaojuan Qi , Jiaya Jia

Visual Odometry (VO) estimation is an important source of information for vehicle state estimation and autonomous driving. Recently, deep learning based approaches have begun to appear in the literature. However, in the context of driving,…

Computer Vision and Pattern Recognition · Computer Science 2021-12-28 Nimet Kaygusuz , Oscar Mendez , Richard Bowden

Real-time scene reconstruction from depth data inevitably suffers from occlusion, thus leading to incomplete 3D models. Partial reconstructions, in turn, limit the performance of algorithms that leverage them for applications in the context…

Computer Vision and Pattern Recognition · Computer Science 2021-04-01 Shun-Cheng Wu , Keisuke Tateno , Nassir Navab , Federico Tombari

Efficient representation of point clouds is fundamental for LiDAR-based 3D object detection. While recent grid-based detectors often encode point clouds into either voxels or pillars, the distinctions between these approaches remain…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Yuhao Huang , Sanping Zhou , Junjie Zhang , Jinpeng Dong , Nanning Zheng

Visual localization is a fundamental task that regresses the 6 Degree Of Freedom (6DoF) poses with image features in order to serve the high precision localization requests in many robotics applications. Degenerate conditions like motion…

Computer Vision and Pattern Recognition · Computer Science 2022-10-19 Yuchen Yang , Xudong Zhang , Shuang Gao , Jixiang Wan , Yishan Ping , Yuyue Liu , Jijunnan Li , Yandong Guo

LiDAR-based 3D object detection and classification is crucial for autonomous driving. However, real-time inference from extremely sparse 3D data is a formidable challenge. To address this problem, a typical class of approaches transforms…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Yongxin Shao , Aihong Tan , Zhetao Sun , Enhui Zheng , Tianhong Yan , Peng Liao

The safe operation of autonomous vehicles (AVs) is highly dependent on their understanding of the surroundings. For this, the task of 3D semantic occupancy prediction divides the space around the sensors into voxels, and labels each voxel…

Computer Vision and Pattern Recognition · Computer Science 2025-05-07 Zhenxing Ming , Julie Stephany Berrio , Mao Shan , Yaoqi Huang , Hongyu Lyu , Nguyen Hoang Khoi Tran , Tzu-Yun Tseng , Stewart Worrall

We propose DoubleFusion, a new real-time system that combines volumetric dynamic reconstruction with data-driven template fitting to simultaneously reconstruct detailed geometry, non-rigid motion and the inner human body shape from a single…

Computer Vision and Pattern Recognition · Computer Science 2018-04-18 Tao Yu , Zerong Zheng , Kaiwen Guo , Jianhui Zhao , Qionghai Dai , Hao Li , Gerard Pons-Moll , Yebin Liu

Detecting unseen instances based on multi-view templates is a challenging problem due to its open-world nature. Traditional methodologies, which primarily rely on 2D representations and matching techniques, are often inadequate in handling…

Computer Vision and Pattern Recognition · Computer Science 2023-10-17 Bowen Li , Jiashun Wang , Yaoyu Hu , Chen Wang , Sebastian Scherer

We present Voxel Transformer (VoTr), a novel and effective voxel-based Transformer backbone for 3D object detection from point clouds. Conventional 3D convolutional backbones in voxel-based 3D detectors cannot efficiently capture large…

Computer Vision and Pattern Recognition · Computer Science 2021-09-14 Jiageng Mao , Yujing Xue , Minzhe Niu , Haoyue Bai , Jiashi Feng , Xiaodan Liang , Hang Xu , Chunjing Xu

Reliable detection and tracking of surrounding objects are indispensable for comprehensive motion prediction and planning of autonomous vehicles. Due to the limitations of individual sensors, the fusion of multiple sensor modalities is…

Robotics · Computer Science 2023-10-13 Phillip Karle , Felix Fent , Sebastian Huch , Florian Sauerbeck , Markus Lienkamp

Voxels are a geometric representation used for rendering volumes, multi-resolution models, and indirect lighting effects. Since the memory consumption of uncompressed voxel volumes scales cubically with resolution, past works have…

Graphics · Computer Science 2024-10-21 Russel Arbore , Jeffrey Liu , Aidan Wefel , Steven Gao , Eric Shaffer

A dense SLAM system is essential for mobile robots, as it provides localization and allows navigation, path planning, obstacle avoidance, and decision-making in unstructured environments. Due to increasing computational demands the use of…

Robotics · Computer Science 2024-10-29 Emiliano Höss , Pablo De Cristóforis

Learning contextual and spatial environmental representations enhances autonomous vehicle's hazard anticipation and decision-making in complex scenarios. Recent perception systems enhance spatial understanding with sensor fusion but often…

Robotics · Computer Science 2024-01-18 Shoaib Azam , Farzeen Munir , Ville Kyrki , Moongu Jeon , Witold Pedrycz

Dense visual odometry (VO), which provides pose estimation and dense 3D reconstruction, serves as the cornerstone for applications ranging from robotics to augmented reality. Recently, feed-forward models have demonstrated remarkable…

Robotics · Computer Science 2026-04-03 Junxiang Pan , Lipu Zhou , Baojie Chen

Infrared and visible light image fusion aims to combine the strengths of both modalities to generate images that are rich in information and fulfill visual or computational requirements. This paper proposes an image fusion method based on…

Computer Vision and Pattern Recognition · Computer Science 2025-06-23 Shuchen Sun , Ligen Shi , Chang Liu , Lina Wu , Jun Qiu

Deep learning approaches for Visual-Inertial Odometry (VIO) have proven successful, but they rarely focus on incorporating robust fusion strategies for dealing with imperfect input sensory data. We propose a novel end-to-end selective…

Computer Vision and Pattern Recognition · Computer Science 2019-03-06 Changhao Chen , Stefano Rosa , Yishu Miao , Chris Xiaoxuan Lu , Wei Wu , Andrew Markham , Niki Trigoni

We introduce a novel approach for depth estimation using images obtained from monocular structured light systems. In contrast to many existing methods that depend on image matching, our technique employs a density voxel grid to represent…

Computer Vision and Pattern Recognition · Computer Science 2025-06-26 Zhuohang Yu , Kai Wang , Kun Huang , Juyong Zhang