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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 work, we address the problem of 3D object detection from point cloud data in real time. For autonomous vehicles to work, it is very important for the perception component to detect the real world objects with both high accuracy and…

计算机视觉与模式识别 · 计算机科学 2021-06-23 Abhinav Sagar

Siamese network based trackers develop rapidly in the field of visual object tracking in recent years. The majority of siamese network based trackers now in use treat each channel in the feature maps generated by the backbone network…

计算机视觉与模式识别 · 计算机科学 2023-03-23 Jiahao Bao , Kaiqiang Chen , Xian Sun , Liangjin Zhao , Wenhui Diao , Menglong Yan

Single object tracking (SOT) heavily relies on the representation of the target object as a bounding box. However, due to the potential deformation and rotation experienced by the tracked targets, the genuine bounding box fails to capture…

计算机视觉与模式识别 · 计算机科学 2023-09-26 Guotian Zeng , Bi Zeng , Hong Zhang , Jianqi Liu , Qingmao Wei

LiDAR-based 3D single object tracking (3D SOT) is a critical issue in robotics and autonomous driving. Existing 3D SOT methods typically adhere to a point-based processing pipeline, wherein the re-sampling operation invariably leads to…

计算机视觉与模式识别 · 计算机科学 2025-05-20 Weisheng Xu , Sifan Zhou , Jiaqi Xiong , Ziyu Zhao , Zhihang Yuan

3D single object tracking (SOT) methods based on appearance matching has long suffered from insufficient appearance information incurred by incomplete, textureless and semantically deficient LiDAR point clouds. While motion paradigm…

计算机视觉与模式识别 · 计算机科学 2025-04-24 Jiahao Nie , Fei Xie , Sifan Zhou , Xueyi Zhou , Dong-Kyu Chae , Zhiwei He

Accurate classification of objects in 3D point clouds is a significant problem in several applications, such as autonomous navigation and augmented/virtual reality scenarios, which has become a research hot spot. In this paper, we presented…

计算机视觉与模式识别 · 计算机科学 2024-03-29 Ramin Mousa , Mitra Khezli , Mohamadreza Azadi , Vahid Nikoofard , Saba Hesaraki

In this study, we present an analysis of model-based ensemble learning for 3D point-cloud object classification and detection. An ensemble of multiple model instances is known to outperform a single model instance, but there is little study…

计算机视觉与模式识别 · 计算机科学 2019-05-24 Daniel Koguciuk , Łukasz Chechliński , Tarek El-Gaaly

Tracking multiple objects in real time is essential for a variety of real-world applications, with self-driving industry being at the foremost. This work involves exploiting temporally varying appearance and motion information for tracking.…

计算机视觉与模式识别 · 计算机科学 2019-12-30 Kanchana Ranasinghe , Sahan Liyanaarachchi , Harsha Ranasinghe , Mayuka Jayawardhana

Monocular 3D scene understanding tasks, such as object size estimation, heading angle estimation and 3D localization, is challenging. Successful modern day methods for 3D scene understanding require the use of a 3D sensor. On the other…

计算机视觉与模式识别 · 计算机科学 2019-09-04 Xinshuo Weng , Kris Kitani

LiDAR-based 3D object detection pushes forward an immense influence on autonomous vehicles. Due to the limitation of the intrinsic properties of LiDAR, fewer points are collected at the objects farther away from the sensor. This imbalanced…

计算机视觉与模式识别 · 计算机科学 2021-04-02 Ziyu Li , Yuncong Yao , Zhibin Quan , Wankou Yang , Jin Xie

Current neural networks-based object detection approaches processing LiDAR point clouds are generally trained from one kind of LiDAR sensors. However, their performances decrease when they are tested with data coming from a different LiDAR…

计算机视觉与模式识别 · 计算机科学 2020-12-11 Ruddy Théodose , Dieumet Denis , Thierry Chateau , Vincent Frémont , Paul Checchin

We introduce RPM-Net, a deep learning-based approach which simultaneously infers movable parts and hallucinates their motions from a single, un-segmented, and possibly partial, 3D point cloud shape. RPM-Net is a novel Recurrent Neural…

计算机视觉与模式识别 · 计算机科学 2020-06-29 Zihao Yan , Ruizhen Hu , Xingguang Yan , Luanmin Chen , Oliver van Kaick , Hao Zhang , Hui Huang

Object tracking becomes critical especially when similar objects are present in the same area. Recent state-of-the-art (SOTA) approaches are proposed based on taking a matching network with a heavy structure to distinguish the target from…

计算机视觉与模式识别 · 计算机科学 2021-03-30 Faraz Lotfi , Hamid D. Taghirad

Tracking has traditionally been the art of following interest points through space and time. This changed with the rise of powerful deep networks. Nowadays, tracking is dominated by pipelines that perform object detection followed by…

计算机视觉与模式识别 · 计算机科学 2020-08-24 Xingyi Zhou , Vladlen Koltun , Philipp Krähenbühl

We present an improved approach for 3D object detection in point cloud data based on the Frustum PointNet (F-PointNet). Compared to the original F-PointNet, our newly proposed method considers the point neighborhood when computing point…

计算机视觉与模式识别 · 计算机科学 2023-01-12 Chengzhi Wu , Julius Pfrommer , Jürgen Beyerer , Kangning Li , Boris Neubert

3D object detection from raw and sparse point clouds has been far less treated to date, compared with its 2D counterpart. In this paper, we propose a novel framework called FVNet for 3D front-view proposal generation and object detection…

计算机视觉与模式识别 · 计算机科学 2019-11-27 Jie Zhou , Xin Tan , Zhiwei Shao , Lizhuang Ma

Recently, most siamese network based trackers locate targets via object classification and bounding-box regression. Generally, they select the bounding-box with maximum classification confidence as the final prediction. This strategy may…

计算机视觉与模式识别 · 计算机科学 2021-07-20 Jinlong Peng , Zhengkai Jiang , Yueyang Gu , Yang Wu , Yabiao Wang , Ying Tai , Chengjie Wang , Weiyao Lin

This paper tackles the challenging task of 3D visual grounding-locating a specific object in a 3D point cloud scene based on text descriptions. Existing methods fall into two categories: top-down and bottom-up methods. Top-down methods rely…

计算机视觉与模式识别 · 计算机科学 2024-10-22 Yang Liu , Daizong Liu , Wei Hu

Current 3D single object tracking methods primarily rely on the Siamese matching-based paradigm, which struggles with textureless and incomplete LiDAR point clouds. Conversely, the motion-centric paradigm avoids appearance matching, thus…

计算机视觉与模式识别 · 计算机科学 2024-09-10 Yuxiang Yang , Yingqi Deng , Jing Zhang , Hongjie Gu , Zhekang Dong