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相关论文: CenterNet3D: An Anchor Free Object Detector for Po…

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Anchor-free object detectors are highly efficient in performing point-based prediction without the need for extra post-processing of anchors. However, different from the 2D grids, the 3D points used in these detectors are often far from the…

计算机视觉与模式识别 · 计算机科学 2024-01-17 Yingping Liang , Ying Fu

In this paper, we propose an advanced methodology for the detection of 3D objects and precise estimation of their spatial positions from a single image. Unlike conventional frameworks that rely solely on center-point and dimension…

计算机视觉与模式识别 · 计算机科学 2024-01-04 Dhyey Manish Rajani , Surya Pratap Singh , Rahul Kashyap Swayampakula

We present an improved version of PointRCNN for 3D object detection, in which a multi-branch backbone network is adopted to handle the non-uniform density of point clouds. An uncertainty-based sampling policy is proposed to deal with the…

计算机视觉与模式识别 · 计算机科学 2021-01-11 Jie Li , Yu Hu

Lidar based 3D object detection and classification tasks are essential for autonomous driving(AD). A lidar sensor can provide the 3D point cloud data reconstruction of the surrounding environment. However, real time detection in 3D point…

计算机视觉与模式识别 · 计算机科学 2020-05-06 Xuanyu Yin , Yoko Sasaki , Weimin Wang , Kentaro Shimizu

Reconstructing 3D point clouds into triangle meshes is a key problem in computational geometry and surface reconstruction. Point cloud triangulation solves this problem by providing edge information to the input points. Since no vertex…

计算机视觉与模式识别 · 计算机科学 2023-08-22 Huan Lei , Ruitao Leng , Liang Zheng , Hongdong Li

3D object detection is one of the most important tasks in 3D vision perceptual system of autonomous vehicles. In this paper, we propose a novel two stage 3D object detection method aimed at get the optimal solution of object location in 3D…

计算机视觉与模式识别 · 计算机科学 2019-09-05 Jiaojiao Fang , Lingtao Zhou , Guizhong Liu

We present DAFNe, a Dense one-stage Anchor-Free deep Network for oriented object detection. As a one-stage model, it performs bounding box predictions on a dense grid over the input image, being architecturally simpler in design, as well as…

计算机视觉与模式识别 · 计算机科学 2022-05-31 Steven Lang , Fabrizio Ventola , Kristian Kersting

We present a simple and flexible object detection framework optimized for autonomous driving. Building on the observation that point clouds in this application are extremely sparse, we propose a practical pillar-based approach to fix the…

计算机视觉与模式识别 · 计算机科学 2020-07-28 Yue Wang , Alireza Fathi , Abhijit Kundu , David Ross , Caroline Pantofaru , Thomas Funkhouser , Justin Solomon

We present ObjectBox, a novel single-stage anchor-free and highly generalizable object detection approach. As opposed to both existing anchor-based and anchor-free detectors, which are more biased toward specific object scales in their…

计算机视觉与模式识别 · 计算机科学 2022-07-15 Mohsen Zand , Ali Etemad , Michael Greenspan

3D object detection plays an important role in a large number of real-world applications. It requires us to estimate the localizations and the orientations of 3D objects in real scenes. In this paper, we present a new network architecture…

计算机视觉与模式识别 · 计算机科学 2019-09-25 Xin Zhao , Zhe Liu , Ruolan Hu , Kaiqi Huang

We present a unified, efficient and effective framework for point-cloud based 3D object detection. Our two-stage approach utilizes both voxel representation and raw point cloud data to exploit respective advantages. The first stage network,…

计算机视觉与模式识别 · 计算机科学 2019-08-19 Yilun Chen , Shu Liu , Xiaoyong Shen , Jiaya Jia

In this paper, we study the problem of unsupervised object detection from 3D point clouds in self-driving scenes. We present a simple yet effective method that exploits (i) point clustering in near-range areas where the point clouds are…

计算机视觉与模式识别 · 计算机科学 2023-11-06 Lunjun Zhang , Anqi Joyce Yang , Yuwen Xiong , Sergio Casas , Bin Yang , Mengye Ren , Raquel Urtasun

Object detection and classification is one of the most important computer vision problems. Ever since the introduction of deep learning \cite{krizhevsky2012imagenet}, we have witnessed a dramatic increase in the accuracy of this object…

计算机视觉与模式识别 · 计算机科学 2018-11-20 Gurjeet Singh , Sun Miao , Shi Shi , Patrick Chiang

Detecting 3D objects in point clouds plays a crucial role in autonomous driving systems. Recently, advanced multi-modal methods incorporating camera information have achieved notable performance. For a safe and effective autonomous driving…

计算机视觉与模式识别 · 计算机科学 2025-02-28 Hoonhee Cho , Jae-young Kang , Youngho Kim , Kuk-Jin Yoon

In computer vision, object detection is one of most important tasks, which underpins a few instance-level recognition tasks and many downstream applications. Recently one-stage methods have gained much attention over two-stage approaches…

计算机视觉与模式识别 · 计算机科学 2020-10-13 Zhi Tian , Chunhua Shen , Hao Chen , Tong He

We propose a novel, conceptually simple and general framework for instance segmentation on 3D point clouds. Our method, called 3D-BoNet, follows the simple design philosophy of per-point multilayer perceptrons (MLPs). The framework directly…

计算机视觉与模式识别 · 计算机科学 2019-09-06 Bo Yang , Jianan Wang , Ronald Clark , Qingyong Hu , Sen Wang , Andrew Markham , Niki Trigoni

Object detection in three-dimensional (3D) space attracts much interest from academia and industry since it is an essential task in AI-driven applications such as robotics, autonomous driving, and augmented reality. As the basic format of…

计算机视觉与模式识别 · 计算机科学 2021-10-15 Shi Qiu , Yunfan Wu , Saeed Anwar , Chongyi Li

In this paper, we present an end-to-end unsupervised anomaly detection framework for 3D point clouds. To the best of our knowledge, this is the first work to tackle the anomaly detection task on a general object represented by a 3D point…

计算机视觉与模式识别 · 计算机科学 2023-04-10 Mana Masuda , Ryo Hachiuma , Ryo Fujii , Hideo Saito , Yusuke Sekikawa

Object detection generally requires sliding-window classifiers in tradition or anchor box based predictions in modern deep learning approaches. However, either of these approaches requires tedious configurations in boxes. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2021-11-09 Wei Liu , Irtiza Hasan , Shengcai Liao

3D object detection often involves complicated training and testing pipelines, which require substantial domain knowledge about individual datasets. Inspired by recent non-maximum suppression-free 2D object detection models, we propose a 3D…

计算机视觉与模式识别 · 计算机科学 2021-10-14 Yue Wang , Justin Solomon