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We propose a 3D object detection method for autonomous driving by fully exploiting the sparse and dense, semantic and geometry information in stereo imagery. Our method, called Stereo R-CNN, extends Faster R-CNN for stereo inputs to…

Computer Vision and Pattern Recognition · Computer Science 2019-04-11 Peiliang Li , Xiaozhi Chen , Shaojie Shen

Virtual content creation and interaction play an important role in modern 3D applications such as AR and VR. Recovering detailed 3D models from real scenes can significantly expand the scope of its applications and has been studied for…

Computer Vision and Pattern Recognition · Computer Science 2023-01-31 Hai Li , Xingrui Yang , Hongjia Zhai , Yuqian Liu , Hujun Bao , Guofeng Zhang

We present a neural rendering framework that maps a voxelized scene into a high quality image. Highly-textured objects and scene element interactions are realistically rendered by our method, despite having a rough representation as an…

Computer Vision and Pattern Recognition · Computer Science 2020-04-07 Konstantinos Rematas , Vittorio Ferrari

Recently, there have been a plethora of classification and detection systems from RGB as well as 3D images. In this work, we describe a new 3D object detection system from an RGB-D or depth-only point cloud. Our system first detects objects…

Computer Vision and Pattern Recognition · Computer Science 2023-05-26 Xiaoke Shen , Ioannis Stamos

This paper proposes a Fast Region-based Convolutional Network method (Fast R-CNN) for object detection. Fast R-CNN builds on previous work to efficiently classify object proposals using deep convolutional networks. Compared to previous…

Computer Vision and Pattern Recognition · Computer Science 2015-09-29 Ross Girshick

Real-time 3D object detection is crucial for autonomous cars. Achieving promising performance with high efficiency, voxel-based approaches have received considerable attention. However, previous methods model the input space with features…

Computer Vision and Pattern Recognition · Computer Science 2020-07-20 Jun Wang , Shiyi Lan , Mingfei Gao , Larry S. Davis

3D object detection with multi-sensors is essential for an accurate and reliable perception system of autonomous driving and robotics. Existing 3D detectors significantly improve the accuracy by adopting a two-stage paradigm which merely…

Computer Vision and Pattern Recognition · Computer Science 2022-09-23 Xinli Xu , Shaocong Dong , Lihe Ding , Jie Wang , Tingfa Xu , Jianan Li

Accurate 3D object detection from point clouds has become a crucial component in autonomous driving. However, the volumetric representations and the projection methods in previous works fail to establish the relationships between the local…

Computer Vision and Pattern Recognition · Computer Science 2021-12-24 Qingdong He , Zhengning Wang , Hao Zeng , Yi Zeng , Yijun Liu

3D object detectors for point clouds often rely on a pooling-based PointNet to encode sparse points into grid-like voxels or pillars. In this paper, we identify that the common PointNet design introduces an information bottleneck that…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Zhaoqi Leng , Pei Sun , Tong He , Dragomir Anguelov , Mingxing Tan

Recent Transformer-based 3D object detectors learn point cloud features either from point- or voxel-based representations. However, the former requires time-consuming sampling while the latter introduces quantization errors. In this paper,…

Computer Vision and Pattern Recognition · Computer Science 2023-05-12 Honghui Yang , Wenxiao Wang , Minghao Chen , Binbin Lin , Tong He , Hua Chen , Xiaofei He , Wanli Ouyang

We propose GO-N3RDet, a scene-geometry optimized multi-view 3D object detector enhanced by neural radiance fields. The key to accurate 3D object detection is in effective voxel representation. However, due to occlusion and lack of 3D…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Zechuan Li , Hongshan Yu , Yihao Ding , Jinhao Qiao , Basim Azam , Naveed Akhtar

We present a flexible and high-performance framework, named Pyramid R-CNN, for two-stage 3D object detection from point clouds. Current approaches generally rely on the points or voxels of interest for RoI feature extraction on the second…

Computer Vision and Pattern Recognition · Computer Science 2021-09-07 Jiageng Mao , Minzhe Niu , Haoyue Bai , Xiaodan Liang , Hang Xu , Chunjing Xu

Recent studies in 3D object detection for autonomous vehicles aim to enrich features through the utilization of multi-modal setups or the extraction of local patterns within LiDAR point clouds. However, multi-modal methods face significant…

Computer Vision and Pattern Recognition · Computer Science 2025-10-14 Krittin Chaowakarn , Paramin Sangwongngam , Nang Htet Htet Aung , Chalie Charoenlarpnopparut

This study introduces a method for efficiently detecting objects within 3D point clouds using convolutional neural networks (CNNs). Our approach adopts a unique feature-centric voting mechanism to construct convolutional layers that…

Computer Vision and Pattern Recognition · Computer Science 2024-12-05 Tianyi Lyu , Dian Gu , Peiyuan Chen , Yaoting Jiang , Zhenhong Zhang , Huadong Pang , Li Zhou , Yiping Dong

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

The benefit of transformers in large-scale 3D point cloud perception tasks, such as 3D object detection, is limited by their quadratic computation cost when modeling long-range relationships. In contrast, linear RNNs have low computational…

Computer Vision and Pattern Recognition · Computer Science 2024-07-26 Zhe Liu , Jinghua Hou , Xinyu Wang , Xiaoqing Ye , Jingdong Wang , Hengshuang Zhao , Xiang Bai

Deep learning technique has yielded significant improvements in point cloud completion with the aim of completing missing object shapes from partial inputs. However, most existing methods fail to recover realistic structures due to…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Xiaogang Wang , Marcelo H Ang , Gim Hee Lee

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

In this article we describe a new convolutional neural network (CNN) to classify 3D point clouds of urban or indoor scenes. Solutions are given to the problems encountered working on scene point clouds, and a network is described that…

Computer Vision and Pattern Recognition · Computer Science 2018-04-11 Xavier Roynard , Jean-Emmanuel Deschaud , François Goulette

We propose Shift R-CNN, a hybrid model for monocular 3D object detection, which combines deep learning with the power of geometry. We adapt a Faster R-CNN network for regressing initial 2D and 3D object properties and combine it with a…

Computer Vision and Pattern Recognition · Computer Science 2019-05-27 Andretti Naiden , Vlad Paunescu , Gyeongmo Kim , ByeongMoon Jeon , Marius Leordeanu