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Popular Hough Transform-based object detection approaches usually construct an appearance codebook by clustering local image features. However, how to choose appropriate values for the parameters used in the clustering step remains an open…

计算机视觉与模式识别 · 计算机科学 2016-03-29 Jianyu Tang , Hanzi Wang , Yan Yan

Point clouds acquired from 3D sensors are usually sparse and noisy. Point cloud upsampling is an approach to increase the density of the point cloud so that detailed geometric information can be restored. In this paper, we propose a Dual…

计算机视觉与模式识别 · 计算机科学 2023-07-19 Zhi-Song Liu , Zijia Wang , Zhen Jia

The paper presents a simple and effective learning-based method for computing a discriminative 3D point cloud descriptor for place recognition purposes. Recent state-of-the-art methods have relatively complex architectures such as…

计算机视觉与模式识别 · 计算机科学 2022-04-11 Jacek Komorowski

Recent progress on 2D object detection has featured Cascade RCNN, which capitalizes on a sequence of cascade detectors to progressively improve proposal quality, towards high-quality object detection. However, there has not been evidence in…

计算机视觉与模式识别 · 计算机科学 2022-11-16 Qi Cai , Yingwei Pan , Ting Yao , Tao Mei

We present a simple and effective framework, named Point2Seq, for 3D object detection from point clouds. In contrast to previous methods that normally {predict attributes of 3D objects all at once}, we expressively model the…

计算机视觉与模式识别 · 计算机科学 2022-03-28 Yujing Xue , Jiageng Mao , Minzhe Niu , Hang Xu , Michael Bi Mi , Wei Zhang , Xiaogang Wang , Xinchao Wang

2D object proposals, quickly detected regions in an image that likely contain an object of interest, are an effective approach for improving the computational efficiency and accuracy of object detection in color images. In this work, we…

计算机视觉与模式识别 · 计算机科学 2018-06-27 Ramanpreet Singh Pahwa , Jiangbo Lu , Nianjuan Jiang , Tian Tsong Ng , Minh N. Do

We introduce a novel framework for Continual Learning in 3D object classification. Our approach, CL3D, is based on the selection of prototypes from each class using spectral clustering. For non-Euclidean data such as point clouds, spectral…

计算机视觉与模式识别 · 计算机科学 2025-03-07 Hossein Resani , Behrooz Nasihatkon , Mohammadreza Alimoradi Jazi

Detecting 3D objects from point clouds is a practical yet challenging task that has attracted increasing attention recently. In this paper, we propose a Label-Guided auxiliary training method for 3D object detection (LG3D), which serves as…

计算机视觉与模式识别 · 计算机科学 2022-07-26 Yaomin Huang , Xinmei Liu , Yichen Zhu , Zhiyuan Xu , Chaomin Shen , Zhengping Che , Guixu Zhang , Yaxin Peng , Feifei Feng , Jian Tang

Deep learning with 3D data such as reconstructed point clouds and CAD models has received great research interests recently. However, the capability of using point clouds with convolutional neural network has been so far not fully explored.…

计算机视觉与模式识别 · 计算机科学 2018-03-30 Binh-Son Hua , Minh-Khoi Tran , Sai-Kit Yeung

The encoding of the target in object tracking moves from the coarse bounding-box to fine-grained segmentation map recently. Revisiting de facto real-time approaches that are capable of predicting mask during tracking, we observed that they…

计算机视觉与模式识别 · 计算机科学 2021-11-03 Zhipeng Zhang , Bing Li , Weiming Hu , Houwen Peng

Three-dimensional (3D) shape recognition has drawn much research attention in the field of computer vision. The advances of deep learning encourage various deep models for 3D feature representation. For point cloud and multi-view data, two…

计算机视觉与模式识别 · 计算机科学 2018-12-04 Haoxuan You , Yifan Feng , Xibin Zhao , Changqing Zou , Rongrong Ji , Yue Gao

In this paper, we propose a novel approach to 3D deformable object manipulation leveraging a deep neural network called DeformerNet. Controlling the shape of a 3D object requires an effective state representation that can capture the full…

机器人学 · 计算机科学 2021-07-20 Bao Thach , Alan Kuntz , Tucker Hermans

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

Following considerable development in 3D scanning technologies, many studies have recently been proposed with various approaches for 3D vision tasks, including some methods that utilize 2D convolutional neural networks (CNNs). However, even…

计算机视觉与模式识别 · 计算机科学 2020-11-03 JuYoung Yang , Chanho Lee , Pyunghwan Ahn , Haeil Lee , Eojindl Yi , Junmo Kim

Towards 3D object tracking in point clouds, a novel point-to-box network termed P2B is proposed in an end-to-end learning manner. Our main idea is to first localize potential target centers in 3D search area embedded with target…

计算机视觉与模式识别 · 计算机科学 2020-05-29 Haozhe Qi , Chen Feng , Zhiguo Cao , Feng Zhao , Yang Xiao

With the increased availability of 3D scanning technology, point clouds are moving into the focus of computer vision as a rich representation of everyday scenes. However, they are hard to handle for machine learning algorithms due to their…

计算机视觉与模式识别 · 计算机科学 2019-08-27 Sergey Prokudin , Christoph Lassner , Javier Romero

Bird's eye view (BEV) is widely adopted by most of the current point cloud detectors due to the applicability of well-explored 2D detection techniques. However, existing methods obtain BEV features by simply collapsing voxel or point…

计算机视觉与模式识别 · 计算机科学 2023-01-30 Dihe Huang , Ying Chen , Yikang Ding , Jinli Liao , Jianlin Liu , Kai Wu , Qiang Nie , Yong Liu , Chengjie Wang , Zhiheng Li

Point cloud is an important type of geometric data structure. Due to its irregular format, most researchers transform such data to regular 3D voxel grids or collections of images. This, however, renders data unnecessarily voluminous and…

计算机视觉与模式识别 · 计算机科学 2017-04-12 Charles R. Qi , Hao Su , Kaichun Mo , Leonidas J. Guibas

We present a novel 3D object detection framework, named IPOD, based on raw point cloud. It seeds object proposal for each point, which is the basic element. This paradigm provides us with high recall and high fidelity of information,…

计算机视觉与模式识别 · 计算机科学 2018-12-14 Zetong Yang , Yanan Sun , Shu Liu , Xiaoyong Shen , Jiaya Jia

We present a novel and high-performance 3D object detection framework, named PointVoxel-RCNN (PV-RCNN), for accurate 3D object detection from point clouds. Our proposed method deeply integrates both 3D voxel Convolutional Neural Network…

计算机视觉与模式识别 · 计算机科学 2021-04-12 Shaoshuai Shi , Chaoxu Guo , Li Jiang , Zhe Wang , Jianping Shi , Xiaogang Wang , Hongsheng Li