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Recent advancements in sensor technology and deep learning have led to significant progress in 3D human body reconstruction. However, most existing approaches rely on data from a specific sensor, which can be unreliable due to the inherent…

Computer Vision and Pattern Recognition · Computer Science 2025-03-14 Anjun Chen , Xiangyu Wang , Zhi Xu , Kun Shi , Yan Qin , Yuchi Huo , Jiming Chen , Qi Ye

We present SparseGen, a novel framework for efficient image-to-3D generation, which exhibits low input-view bias while being significantly faster. Unlike traditional approaches that rely on dense volumetric grids, triplanes, or…

Computer Vision and Pattern Recognition · Computer Science 2026-04-16 Zhiyuan Xu , Jiuming Liu , Yuxin Chen , Masayoshi Tomizuka , Chenfeng Xu , Chensheng Peng

Semantic occupancy has emerged as a powerful representation in world models for its ability to capture rich spatial semantics. However, most existing occupancy world models rely on static and fixed embeddings or grids, which inherently…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Chenxu Dang , Haiyan Liu , Jason Bao , Pei An , Xinyue Tang , PanAn , Jie Ma , Bingchuan Sun , Yan Wang

A key technical challenge in performing 6D object pose estimation from RGB-D image is to fully leverage the two complementary data sources. Prior works either extract information from the RGB image and depth separately or use costly…

Computer Vision and Pattern Recognition · Computer Science 2019-01-16 Chen Wang , Danfei Xu , Yuke Zhu , Roberto Martín-Martín , Cewu Lu , Li Fei-Fei , Silvio Savarese

Multi-view 3D object detection is a fundamental task in autonomous driving perception, where achieving a balance between detection accuracy and computational efficiency remains crucial. Sparse query-based 3D detectors efficiently aggregate…

Computer Vision and Pattern Recognition · Computer Science 2025-12-22 Di Wu , Feng Yang , Wenhui Zhao , Jinwen Yu , Pan Liao , Benlian Xu , Dingwen Zhang

The ability to interpret and comprehend a 3D scene is essential for many vision and robotics systems. In numerous applications, this involves 3D object detection, i.e.~identifying the location and dimensions of objects belonging to a…

Computer Vision and Pattern Recognition · Computer Science 2025-09-22 Olivier Moliner , Viktor Larsson , Kalle Åström

In autonomous driving, recent research has increasingly focused on collaborative perception based on deep learning to overcome the limitations of individual perception systems. Although these methods achieve high accuracy, they rely on high…

Robotics · Computer Science 2025-07-04 Maryem Fadili , Mohamed Anis Ghaoui , Louis Lecrosnier , Steve Pechberti , Redouane Khemmar

Fusing LiDAR and camera information is essential for achieving accurate and reliable 3D object detection in autonomous driving systems. This is challenging due to the difficulty of combining multi-granularity geometric and semantic features…

Computer Vision and Pattern Recognition · Computer Science 2023-03-06 Yang Jiao , Zequn Jie , Shaoxiang Chen , Jingjing Chen , Lin Ma , Yu-Gang Jiang

LiDAR-based 3D object detection presents significant challenges due to the inherent sparsity of LiDAR points. A common solution involves long-term temporal LiDAR data to densify the inputs. However, efficiently leveraging spatial-temporal…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Chaoqun Wang , Xiaobin Hong , Wenzhong Li , Ruimao Zhang

3D object detection is essential for autonomous driving. As an emerging sensor, 4D imaging radar offers advantages as low cost, long-range detection, and accurate velocity measurement, making it highly suitable for object detection.…

Computer Vision and Pattern Recognition · Computer Science 2025-10-23 Xiaozhi Li , Huijun Di , Jian Li , Feng Liu , Wei Liang

Multi-sensor fusion is essential for accurate 3D object detection in self-driving systems. Camera and LiDAR are the most commonly used sensors, and usually, their fusion happens at the early or late stages of 3D detectors with the help of…

Computer Vision and Pattern Recognition · Computer Science 2023-11-08 Javed Ahmad , Alessio Del Bue

LiDAR-based 3D object detection plays an essential role in autonomous driving. Existing high-performing 3D object detectors usually build dense feature maps in the backbone network and prediction head. However, the computational costs…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Gang Zhang , Junnan Chen , Guohuan Gao , Jianmin Li , Si Liu , Xiaolin Hu

The safe operation of automated vehicles depends on their ability to perceive the environment comprehensively. However, occlusion, sensor range, and environmental factors limit their perception capabilities. To overcome these limitations,…

Computer Vision and Pattern Recognition · Computer Science 2024-08-13 Sven Teufel , Jörg Gamerdinger , Georg Volk , Oliver Bringmann

Recent years have seen an increase in the use of gigapixel-level image and video capture systems and benchmarks with high-resolution wide (HRW) shots. However, unlike close-up shots in the MS COCO dataset, the higher resolution and wider…

Computer Vision and Pattern Recognition · Computer Science 2025-02-12 Wenxi Li , Yuchen Guo , Jilai Zheng , Haozhe Lin , Chao Ma , Lu Fang , Xiaokang Yang

In this work, we present PoIFusion, a conceptually simple yet effective multi-modal 3D object detection framework to fuse the information of RGB images and LiDAR point clouds at the points of interest (PoIs). Different from the most…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Jiajun Deng , Sha Zhang , Feras Dayoub , Wanli Ouyang , Yanyong Zhang , Ian Reid

Multi-sensor modal fusion has demonstrated strong advantages in 3D object detection tasks. However, existing methods that fuse multi-modal features require transforming features into the bird's eye view space and may lose certain…

Computer Vision and Pattern Recognition · Computer Science 2023-10-10 Chunyong Hu , Hang Zheng , Kun Li , Jianyun Xu , Weibo Mao , Maochun Luo , Lingxuan Wang , Mingxia Chen , Qihao Peng , Kaixuan Liu , Yiru Zhao , Peihan Hao , Minzhe Liu , Kaicheng Yu

Vision-based perception for autonomous driving requires an explicit modeling of a 3D space, where 2D latent representations are mapped and subsequent 3D operators are applied. However, operating on dense latent spaces introduces a cubic…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Pin Tang , Zhongdao Wang , Guoqing Wang , Jilai Zheng , Xiangxuan Ren , Bailan Feng , Chao Ma

Visible-infrared image fusion is crucial in key applications such as autonomous driving and nighttime surveillance. Its main goal is to integrate multimodal information to produce enhanced images that are better suited for downstream tasks.…

Computer Vision and Pattern Recognition · Computer Science 2025-10-15 Xiaopeng Liu , Yupei Lin , Sen Zhang , Xiao Wang , Yukai Shi , Liang Lin

Integrating frame-based RGB cameras with event streams offers a promising solution for robust object detection under challenging dynamic conditions. However, the inherent heterogeneity and data redundancy of these modalities often lead to…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Wei Bao , Yuehan Wang , Tianhang Zhou , Siqi Li , Yue Gao

LiDAR and camera are two important sensors for 3D object detection in autonomous driving. Despite the increasing popularity of sensor fusion in this field, the robustness against inferior image conditions, e.g., bad illumination and sensor…

Computer Vision and Pattern Recognition · Computer Science 2022-03-23 Xuyang Bai , Zeyu Hu , Xinge Zhu , Qingqiu Huang , Yilun Chen , Hongbo Fu , Chiew-Lan Tai