中文
相关论文

相关论文: PV-RCNN++: Semantical Point-Voxel Feature Interact…

200 篇论文

In existing works that learn representation for object detection, the relationship between a candidate window and the ground truth bounding box of an object is simplified by thresholding their overlap. This paper shows information loss in…

计算机视觉与模式识别 · 计算机科学 2015-12-10 Xingyu Zeng , Wanli Ouyang , Xiaogang Wang

3D object detection plays a crucial role in autonomous systems, yet existing methods are limited by closed-set assumptions and struggle to recognize novel objects and their attributes in real-world scenarios. We propose OVODA, a novel…

计算机视觉与模式识别 · 计算机科学 2025-08-26 Xinhao Xiang , Kuan-Chuan Peng , Suhas Lohit , Michael J. Jones , Jiawei Zhang

Change detection and irregular object extraction in 3D point clouds is a challenging task that is of high importance not only for autonomous navigation but also for updating existing digital twin models of various industrial environments.…

计算机视觉与模式识别 · 计算机科学 2023-12-18 Nikolaos Stathoulopoulos , Anton Koval , George Nikolakopoulos

We focus on the task of amodal 3D object detection in RGB-D images, which aims to produce a 3D bounding box of an object in metric form at its full extent. We introduce Deep Sliding Shapes, a 3D ConvNet formulation that takes a 3D…

计算机视觉与模式识别 · 计算机科学 2016-03-10 Shuran Song , Jianxiong Xiao

Camera and lidar are important sensor modalities for robotics in general and self-driving cars in particular. The sensors provide complementary information offering an opportunity for tight sensor-fusion. Surprisingly, lidar-only methods…

计算机视觉与模式识别 · 计算机科学 2020-05-07 Sourabh Vora , Alex H. Lang , Bassam Helou , Oscar Beijbom

Feature learning for 3D object detection from point clouds is very challenging due to the irregularity of 3D point cloud data. In this paper, we propose Pointformer, a Transformer backbone designed for 3D point clouds to learn features…

计算机视觉与模式识别 · 计算机科学 2021-06-23 Xuran Pan , Zhuofan Xia , Shiji Song , Li Erran Li , Gao Huang

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…

计算机视觉与模式识别 · 计算机科学 2021-08-03 Md Afzal Ansari , Md Meraz , Pavan Chakraborty , Mohammed Javed

Automotive traffic scenes are complex due to the variety of possible scenarios, objects, and weather conditions that need to be handled. In contrast to more constrained environments, such as automated underground trains, automotive…

计算机视觉与模式识别 · 计算机科学 2021-06-29 Felix Nobis , Ehsan Shafiei , Phillip Karle , Johannes Betz , Markus Lienkamp

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…

计算机视觉与模式识别 · 计算机科学 2023-05-26 Xiaoke Shen , Ioannis Stamos

This paper proposes an enhancement of convolutional neural networks for object detection in resource-constrained robotics through a geometric input transformation called Visual Mesh. It uses object geometry to create a graph in vision…

计算机视觉与模式识别 · 计算机科学 2018-07-24 Trent Houliston , Stephan K. Chalup

The region-based Convolutional Neural Network (CNN) detectors such as Faster R-CNN or R-FCN have already shown promising results for object detection by combining the region proposal subnetwork and the classification subnetwork together.…

计算机视觉与模式识别 · 计算机科学 2017-08-10 Yousong Zhu , Chaoyang Zhao , Jinqiao Wang , Xu Zhao , Yi Wu , Hanqing Lu

Although point-based networks are demonstrated to be accurate for 3D point cloud modeling, they are still falling behind their voxel-based competitors in 3D detection. We observe that the prevailing set abstraction design for down-sampling…

计算机视觉与模式识别 · 计算机科学 2022-01-07 Chen Chen , Zhe Chen , Jing Zhang , Dacheng Tao

This paper proposes 3DGeoDet, a novel geometry-aware 3D object detection approach that effectively handles single- and multi-view RGB images in indoor and outdoor environments, showcasing its general-purpose applicability. The key challenge…

计算机视觉与模式识别 · 计算机科学 2025-06-12 Yi Zhang , Yi Wang , Yawen Cui , Lap-Pui Chau

Real-scanned point clouds are often incomplete due to viewpoint, occlusion, and noise, which hampers 3D geometric modeling and perception. Existing point cloud completion methods tend to generate global shape skeletons and hence lack fine…

计算机视觉与模式识别 · 计算机科学 2023-04-19 Liang Pan , Xinyi Chen , Zhongang Cai , Junzhe Zhang , Haiyu Zhao , Shuai Yi , Ziwei Liu

Current geometry-based monocular 3D object detection models can efficiently detect objects by leveraging perspective geometry, but their performance is limited due to the absence of accurate depth information. Though this issue can be…

计算机视觉与模式识别 · 计算机科学 2021-07-29 Chenhang He , Jianqiang Huang , Xian-Sheng Hua , Lei Zhang

With the development of computer vision, 3D object detection has become increasingly important in many real-world applications. Limited by the computing power of sensor-side hardware, the detection task is sometimes deployed on remote…

图像与视频处理 · 电气工程与系统科学 2025-02-19 Zijian Cao , Hua Zhang , Le Liang , Haotian Wang , Shi Jin , Geoffrey Ye Li

We present 3DMV, a novel method for 3D semantic scene segmentation of RGB-D scans in indoor environments using a joint 3D-multi-view prediction network. In contrast to existing methods that either use geometry or RGB data as input for this…

计算机视觉与模式识别 · 计算机科学 2018-03-29 Angela Dai , Matthias Nießner

Voxel is an important format to represent geometric data, which has been widely used for 3D deep learning in shape analysis due to its generalization ability and regular data format. However, fine-grained tasks like part segmentation…

计算机视觉与模式识别 · 计算机科学 2018-09-05 Zongji Wang , Feng Lu

We propose a novel video object segmentation algorithm based on pixel-level matching using Convolutional Neural Networks (CNN). Our network aims to distinguish the target area from the background on the basis of the pixel-level similarity…

计算机视觉与模式识别 · 计算机科学 2017-08-18 Jae Shin Yoon , Francois Rameau , Junsik Kim , Seokju Lee , Seunghak Shin , In So Kweon

How to aggregate multi-view representations of a 3D object into an informative and discriminative one remains a key challenge for multi-view 3D object retrieval. Existing methods either use view-wise pooling strategies which neglect the…

计算机视觉与模式识别 · 计算机科学 2019-08-16 Xinwei He , Tengteng Huang , Song Bai , Xiang Bai