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Modern agricultural applications rely more and more on deep learning solutions. However, training well-performing deep networks requires a large amount of annotated data that may not be available and in the case of 3D annotation may not…

Computer Vision and Pattern Recognition · Computer Science 2024-04-19 George Retsinas , Niki Efthymiou , Petros Maragos

Practical object pose estimation demands robustness against occlusions to the target object. State-of-the-art (SOTA) object pose estimators take a two-stage approach, where the first stage predicts 2D landmarks using a deep network and the…

Computer Vision and Pattern Recognition · Computer Science 2021-10-25 Bo Chen , Tat-Jun Chin , Marius Klimavicius

Place recognition is an important task for robots and autonomous cars to localize themselves and close loops in pre-built maps. While single-modal sensor-based methods have shown satisfactory performance, cross-modal place recognition that…

Computer Vision and Pattern Recognition · Computer Science 2024-03-28 Weidong Xie , Lun Luo , Nanfei Ye , Yi Ren , Shaoyi Du , Minhang Wang , Jintao Xu , Rui Ai , Weihao Gu , Xieyuanli Chen

Tracking the position and orientation of objects in space (i.e., in 6-DoF) in real time is a fundamental problem in robotics for environment interaction. It becomes more challenging when objects move at high-speed due to frame rate…

Computer Vision and Pattern Recognition · Computer Science 2025-08-21 Zhichao Li , Arren Glover , Chiara Bartolozzi , Lorenzo Natale

Digital fringe projection (DFP) enables micrometer-level 3D reconstruction, yet extending it to large-scale mapping remains challenging because six-degree-of-freedom pose estimation often cannot match the reconstruction's precision.…

Computer Vision and Pattern Recognition · Computer Science 2026-03-13 Sehoon Tak , Keunhee Cho , Sangpil Kim , Jae-Sang Hyun

In this paper, we introduce a novel single shot approach for 6D object pose estimation of rigid objects based on depth images. For this purpose, a fully convolutional neural network is employed, where the 3D input data is spatially…

Computer Vision and Pattern Recognition · Computer Science 2020-04-28 Kilian Kleeberger , Marco F. Huber

In this paper, we focus on estimating the 6D pose of objects in point clouds. Although the topic has been widely studied, pose estimation in point clouds remains a challenging problem due to the noise and occlusion. To address the problem,…

Computer Vision and Pattern Recognition · Computer Science 2020-09-16 Yuanpeng Liu , Jun Zhou , Yuqi Zhang , Chao Ding , Jun Wang

In a point cloud sequence, 3D object tracking aims to predict the location and orientation of an object in the current search point cloud given a template point cloud. Motivated by the success of transformers, we propose Point Tracking…

Computer Vision and Pattern Recognition · Computer Science 2022-03-31 Changqing Zhou , Zhipeng Luo , Yueru Luo , Tianrui Liu , Liang Pan , Zhongang Cai , Haiyu Zhao , Shijian Lu

We propose DLTPose, a novel method for 6DoF object pose estimation from RGBD images that combines the accuracy of sparse keypoint methods with the robustness of dense pixel-wise predictions. DLTPose predicts per-pixel radial distances to a…

Computer Vision and Pattern Recognition · Computer Science 2025-08-19 Akash Jadhav , Michael Greenspan

In the realm of robotic grasping, achieving accurate and reliable interactions with the environment is a pivotal challenge. Traditional methods of grasp planning methods utilizing partial point clouds derived from depth image often suffer…

Computer Vision and Pattern Recognition · Computer Science 2024-04-05 Lei Zhou , Haozhe Wang , Zhengshen Zhang , Zhiyang Liu , Francis EH Tay , adn Marcelo H. Ang.

Existing object pose estimation datasets are related to generic object types and there is so far no dataset for fine-grained object categories. In this work, we introduce a new large dataset to benchmark pose estimation for fine-grained…

Computer Vision and Pattern Recognition · Computer Science 2018-11-09 Yaming Wang , Xiao Tan , Yi Yang , Xiao Liu , Errui Ding , Feng Zhou , Larry S. Davis

This paper looks into the problem of grasping unknown objects in a cluttered environment using 3D point cloud data obtained from a range or an RGBD sensor. The objective is to identify graspable regions and detect suitable grasp poses from…

Robotics · Computer Science 2018-07-30 Olyvia Kundu , Swagat Kumar

Given point cloud input, the problem of 6-DoF grasp pose detection is to identify a set of hand poses in SE(3) from which an object can be successfully grasped. This important problem has many practical applications. Here we propose a novel…

Robotics · Computer Science 2022-11-02 Haojie Huang , Dian Wang , Xupeng Zhu , Robin Walters , Robert Platt

6-DoF object pose estimation from a monocular image is challenging, and a post-refinement procedure is generally needed for high-precision estimation. In this paper, we propose a framework based on a recurrent neural network (RNN) for…

Computer Vision and Pattern Recognition · Computer Science 2022-04-12 Yan Xu , Kwan-Yee Lin , Guofeng Zhang , Xiaogang Wang , Hongsheng Li

Three dimensional (3D) object recognition is becoming a key desired capability for many computer vision systems such as autonomous vehicles, service robots and surveillance drones to operate more effectively in unstructured environments.…

Computer Vision and Pattern Recognition · Computer Science 2021-08-25 Chenxi Xiao , Juan Wachs

Object grasping in cluttered scenes is a widely investigated field of robot manipulation. Most of the current works focus on estimating grasp pose from point clouds based on an efficient single-shot grasp detection network. However, due to…

Robotics · Computer Science 2021-05-19 Wei Wei , Yongkang Luo , Fuyu Li , Guangyun Xu , Jun Zhong , Wanyi Li , Peng Wang

We present a novel appearance-based approach for pose estimation of a human hand using the point clouds provided by the low-cost Microsoft Kinect sensor. Both the free-hand case, in which the hand is isolated from the surrounding…

Computer Vision and Pattern Recognition · Computer Science 2016-04-08 Pasquale Coscia , Francesco A. N. Palmieri , Francesco Castaldo , Alberto Cavallo

In this paper, we propose a novel effective light-weight framework, called LightTrack, for online human pose tracking. The proposed framework is designed to be generic for top-down pose tracking and is faster than existing online and…

Computer Vision and Pattern Recognition · Computer Science 2019-05-09 Guanghan Ning , Heng Huang

This paper is about extremely robust and lightweight localisation using LiDAR point clouds based on instance segmentation and graph matching. We model 3D point clouds as fully-connected graphs of semantically identified components where…

Computer Vision and Pattern Recognition · Computer Science 2022-07-01 Georgi Pramatarov , Daniele De Martini , Matthew Gadd , Paul Newman

Point cloud compression has garnered significant interest in computer vision. However, existing algorithms primarily cater to human vision, while most point cloud data is utilized for machine vision tasks. To address this, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Lei Liu , Zhihao Hu , Zhenghao Chen