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Related papers: PV-RCNN: Point-Voxel Feature Set Abstraction for 3…

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In this work, we present a conceptually simple yet effective framework for cross-modality 3D object detection, named voxel field fusion. The proposed approach aims to maintain cross-modality consistency by representing and fusing augmented…

Computer Vision and Pattern Recognition · Computer Science 2022-06-01 Yanwei Li , Xiaojuan Qi , Yukang Chen , Liwei Wang , Zeming Li , Jian Sun , Jiaya Jia

The goal of open-vocabulary detection is to identify novel objects based on arbitrary textual descriptions. In this paper, we address open-vocabulary 3D point-cloud detection by a dividing-and-conquering strategy, which involves: 1)…

Computer Vision and Pattern Recognition · Computer Science 2023-05-18 Yuheng Lu , Chenfeng Xu , Xiaobao Wei , Xiaodong Xie , Masayoshi Tomizuka , Kurt Keutzer , Shanghang Zhang

PointPillars is the fastest 3D object detector that exploits pseudo image representations to encode features for 3D objects in a scene. Albeit efficient, PointPillars is typically outperformed by state-of-the-art 3D detection methods due to…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Jongyoun Noh , Junghyup Lee , Hyekang Park , Bumsub Ham

Rotated object detection in aerial images is still challenging due to arbitrary orientations, large scale and aspect ratio variations, and extreme density of objects. Existing state-of-the-art rotated object detection methods mainly rely on…

Computer Vision and Pattern Recognition · Computer Science 2022-06-09 Qiang Zhou , Chaohui Yu , Zhibin Wang , Hao Li

State-of-the-art object detection networks depend on region proposal algorithms to hypothesize object locations. Advances like SPPnet and Fast R-CNN have reduced the running time of these detection networks, exposing region proposal…

Computer Vision and Pattern Recognition · Computer Science 2016-01-07 Shaoqing Ren , Kaiming He , Ross Girshick , Jian Sun

Region-based Convolutional Neural Networks (R-CNNs) have achieved great success in the field of object detection. The existing R-CNNs usually divide a Region-of-Interest (ROI) into grids, and then localize objects by utilizing the spatial…

Computer Vision and Pattern Recognition · Computer Science 2018-02-13 Xiaochuan Fan , Hao Guo , Kang Zheng , Wei Feng , Song Wang

Utilizing the latest advances in Artificial Intelligence (AI), the computer vision community is now witnessing an unprecedented evolution in all kinds of perception tasks, particularly in object detection. Based on multiple spatially…

Computer Vision and Pattern Recognition · Computer Science 2023-03-23 Zhengwei Bai , Guoyuan Wu , Matthew J. Barth , Yongkang Liu , Emrah Akin Sisbot , Kentaro Oguchi

Detection and tracking of moving objects is an essential component in environmental perception for autonomous driving. In the flourishing field of multi-view 3D camera-based detectors, different transformer-based pipelines are designed to…

Computer Vision and Pattern Recognition · Computer Science 2023-07-04 Yining Shi , Jingyan Shen , Yifan Sun , Yunlong Wang , Jiaxin Li , Shiqi Sun , Kun Jiang , Diange Yang

A crucial task in scene understanding is 3D object detection, which aims to detect and localize the 3D bounding boxes of objects belonging to specific classes. Existing 3D object detectors heavily rely on annotated 3D bounding boxes during…

Computer Vision and Pattern Recognition · Computer Science 2020-07-29 Zengyi Qin , Jinglu Wang , Yan Lu

Semantic scene understanding from point clouds is particularly challenging as the points reflect only a sparse set of the underlying 3D geometry. Previous works often convert point cloud into regular grids (e.g. voxels or bird-eye view…

Computer Vision and Pattern Recognition · Computer Science 2020-12-01 Yinyu Nie , Ji Hou , Xiaoguang Han , Matthias Nießner

Point clouds are essential for storage and transmission of 3D content. As they can entail significant volumes of data, point cloud compression is crucial for practical usage. Recently, point cloud geometry compression approaches based on…

Computer Vision and Pattern Recognition · Computer Science 2021-02-26 Maurice Quach , Aladine Chetouani , Giuseppe Valenzise , Frederic Dufaux

Though 3D object detection from point clouds has achieved rapid progress in recent years, the lack of flexible and high-performance proposal refinement remains a great hurdle for existing state-of-the-art two-stage detectors. Previous works…

Computer Vision and Pattern Recognition · Computer Science 2021-09-16 Hualian Sheng , Sijia Cai , Yuan Liu , Bing Deng , Jianqiang Huang , Xian-Sheng Hua , Min-Jian Zhao

Three dimensional (3D) object recognition is becoming a key desired capability for many computer vision systems such as autonomous vehicles, service robots and surveillance drones to operate more effectively in unstructured environments.…

Computer Vision and Pattern Recognition · Computer Science 2021-08-25 Chenxi Xiao , Juan Wachs

In this paper, we propose a monocular 3D object detection framework in the domain of autonomous driving. Unlike previous image-based methods which focus on RGB feature extracted from 2D images, our method solves this problem in the…

Computer Vision and Pattern Recognition · Computer Science 2021-03-31 Xinzhu Ma , Zhihui Wang , Haojie Li , Pengbo Zhang , Xin Fan , Wanli Ouyang

Accurate and fast 3D object detection from point clouds is a key task in autonomous driving. Existing one-stage 3D object detection methods can achieve real-time performance, however, they are dominated by anchor-based detectors which are…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Guojun Wang , Jian Wu , Bin Tian , Siyu Teng , Long Chen , Dongpu Cao

In this paper, we present new feature encoding methods for Detection of 3D objects in point clouds. We used a graph neural network (GNN) for Detection of 3D objects namely cars, pedestrians, and cyclists. Feature encoding is one of the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-03 Md Afzal Ansari , Md Meraz , Pavan Chakraborty , Mohammed Javed

The existing 3D deep learning methods adopt either individual point-based features or local-neighboring voxel-based features, and demonstrate great potential for processing 3D data. However, the point based models are inefficient due to the…

Computer Vision and Pattern Recognition · Computer Science 2021-07-29 Wei Zhou , Xin Cao , Xiaodan Zhang , Xingxing Hao , Dekui Wang , Ying He

The goal of object detection is to determine the class and location of objects in an image. This paper proposes a novel anchor-free, two-stage framework which first extracts a number of object proposals by finding potential corner keypoint…

Computer Vision and Pattern Recognition · Computer Science 2020-07-29 Kaiwen Duan , Lingxi Xie , Honggang Qi , Song Bai , Qingming Huang , Qi Tian

Real-scanned point clouds are often incomplete due to viewpoint, occlusion, and noise. Existing point cloud completion methods tend to generate global shape skeletons and hence lack fine local details. Furthermore, they mostly learn a…

Computer Vision and Pattern Recognition · Computer Science 2021-04-21 Liang Pan , Xinyi Chen , Zhongang Cai , Junzhe Zhang , Haiyu Zhao , Shuai Yi , Ziwei Liu

Recent machine learning-based multi-object tracking (MOT) frameworks are becoming popular for 3-D point clouds. Most traditional tracking approaches use filters (e.g., Kalman filter or particle filter) to predict object locations in a time…

Computer Vision and Pattern Recognition · Computer Science 2020-02-27 Sukai Wang , Yuxiang Sun , Chengju Liu , Ming Liu