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Real-time and high-performance 3D object detection is of critical importance for autonomous driving. Recent top-performing 3D object detectors mainly rely on point-based or 3D voxel-based convolutions, which are both computationally…

Computer Vision and Pattern Recognition · Computer Science 2022-08-29 Guangsheng Shi , Ruifeng Li , Chao Ma

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

Recent advances in sparse voxel representations have significantly improved the quality of 3D content generation, enabling high-resolution modeling with fine-grained geometry. However, existing frameworks suffer from severe computational…

Computer Vision and Pattern Recognition · Computer Science 2025-08-01 Yiwen Chen , Zhihao Li , Yikai Wang , Hu Zhang , Qin Li , Chi Zhang , Guosheng Lin

We present \textit{VoxelKP}, a novel fully sparse network architecture tailored for human keypoint estimation in LiDAR data. The key challenge is that objects are distributed sparsely in 3D space, while human keypoint detection requires…

Computer Vision and Pattern Recognition · Computer Science 2023-12-15 Jian Shi , Peter Wonka

3D object tracking in point clouds is still a challenging problem due to the sparsity of LiDAR points in dynamic environments. In this work, we propose a Siamese voxel-to-BEV tracker, which can significantly improve the tracking performance…

Computer Vision and Pattern Recognition · Computer Science 2021-11-18 Le Hui , Lingpeng Wang , Mingmei Cheng , Jin Xie , Jian Yang

In autonomous vehicles, understanding the surrounding 3D environment of the ego vehicle in real-time is essential. A compact way to represent scenes while encoding geometric distances and semantic object information is via 3D semantic…

Robotics · Computer Science 2024-05-21 Samuel Sze , Lars Kunze

3D object detection in Bird's-Eye-View (BEV) space has recently emerged as a prevalent approach in the field of autonomous driving. Despite the demonstrated improvements in accuracy and velocity estimation compared to perspective view…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Yuxin Li , Qiang Han , Mengying Yu , Yuxin Jiang , Chaikiat Yeo , Yiheng Li , Zihang Huang , Nini Liu , Hsuanhan Chen , Xiaojun Wu

Deep 3-dimensional (3D) Convolutional Network (ConvNet) has shown promising performance on video recognition tasks because of its powerful spatio-temporal information fusion ability. However, the extremely intensive requirements on memory…

Computer Vision and Pattern Recognition · Computer Science 2019-06-03 Haonan Wang , Jun Lin , Zhongfeng Wang

Monocular 3D scene understanding tasks, such as object size estimation, heading angle estimation and 3D localization, is challenging. Successful modern day methods for 3D scene understanding require the use of a 3D sensor. On the other…

Computer Vision and Pattern Recognition · Computer Science 2019-09-04 Xinshuo Weng , Kris Kitani

3D point cloud interpretation is a challenging task due to the randomness and sparsity of the component points. Many of the recently proposed methods like PointNet and PointCNN have been focusing on learning shape descriptions from point…

Computer Vision and Pattern Recognition · Computer Science 2021-07-28 Zhaoyu Su , Pin Siang Tan , Junkang Chow , Jimmy Wu , Yehur Cheong , Yu-Hsing Wang

Recently, the rise of query-based Transformer decoders is reshaping camera-based 3D object detection. These query-based decoders are surpassing the traditional dense BEV (Bird's Eye View)-based methods. However, we argue that dense BEV…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Zhenxin Li , Shiyi Lan , Jose M. Alvarez , Zuxuan Wu

We tackle the problem of using 3D information in convolutional neural networks for down-stream recognition tasks. Using depth as an additional channel alongside the RGB input has the scale variance problem present in image convolution based…

Computer Vision and Pattern Recognition · Computer Science 2018-12-05 Hang Chu , Wei-Chiu Ma , Kaustav Kundu , Raquel Urtasun , Sanja Fidler

With the advent of deep learning, estimating depth from a single RGB image has recently received a lot of attention, being capable of empowering many different applications ranging from path planning for robotics to computational…

Computer Vision and Pattern Recognition · Computer Science 2022-02-25 Enis Simsar , Evin Pınar Örnek , Fabian Manhardt , Helisa Dhamo , Nassir Navab , Federico Tombari

Object detection in point cloud data is one of the key components in computer vision systems, especially for autonomous driving applications. In this work, we present Voxel-FPN, a novel one-stage 3D object detector that utilizes raw data…

Computer Vision and Pattern Recognition · Computer Science 2019-07-17 Bei Wang , Jianping An , Jiayan Cao

Monocular 3D object detection poses a significant challenge in 3D scene understanding due to its inherently ill-posed nature in monocular depth estimation. Existing methods heavily rely on supervised learning using abundant 3D labels,…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Zihua Liu , Hiroki Sakuma , Masatoshi Okutomi

Almost all previous deep learning-based multi-view stereo (MVS) approaches focus on improving reconstruction quality. Besides quality, efficiency is also a desirable feature for MVS in real scenarios. Towards this end, this paper presents a…

Computer Vision and Pattern Recognition · Computer Science 2020-03-31 Zehao Yu , Shenghua Gao

4D radar-based object detection has garnered great attention for its robustness in adverse weather conditions and capacity to deliver rich spatial information across diverse driving scenarios. Nevertheless, the sparse and noisy nature of 4D…

Computer Vision and Pattern Recognition · Computer Science 2025-08-20 Fuyang Liu , Jilin Mei , Fangyuan Mao , Chen Min , Yan Xing , Yu Hu

Object detection is a crucial task for autonomous driving. In addition to requiring high accuracy to ensure safety, object detection for autonomous driving also requires real-time inference speed to guarantee prompt vehicle control, as well…

Computer Vision and Pattern Recognition · Computer Science 2019-06-12 Bichen Wu , Alvin Wan , Forrest Iandola , Peter H. Jin , Kurt Keutzer

Multi-modal 3D object detection has exhibited significant progress in recent years. However, most existing methods can hardly scale to long-range scenarios due to their reliance on dense 3D features, which substantially escalate…

Computer Vision and Pattern Recognition · Computer Science 2024-03-18 Yiheng Li , Hongyang Li , Zehao Huang , Hong Chang , Naiyan Wang

In this paper, we design a multimodal framework for object detection, recognition and mapping based on the fusion of stereo camera frames, point cloud Velodyne Lidar scans, and Vehicle-to-Vehicle (V2V) Basic Safety Messages (BSMs) exchanged…

Computer Vision and Pattern Recognition · Computer Science 2017-05-25 Yassine Maalej , Sameh Sorour , Ahmed Abdel-Rahim , Mohsen Guizani
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