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Modern orchards are planted in structured rows with distinct panel divisions to improve management. Accurate and efficient joint segmentation of point cloud from Panel to Tree and Branch (P2TB) is essential for robotic operations. However,…

Robotics · Computer Science 2025-03-10 Tian Qiu , Ruiming Du , Nikolai Spine , Lailiang Cheng , Yu Jiang

Tree ring widths are an important source of climatic and historical data, but measuring these widths typically requires extensive manual work. Computer vision techniques provide promising directions towards the automation of tree ring…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Kayla Makela , Tim Ophelders , Michelle Quigley , Elizabeth Munch , Daniel Chitwood , Asia Dowtin

This work presents novel algorithms for learning Bayesian network structures with bounded treewidth. Both exact and approximate methods are developed. The exact method combines mixed-integer linear programming formulations for structure…

Artificial Intelligence · Computer Science 2014-06-09 Siqi Nie , Denis Deratani Maua , Cassio Polpo de Campos , Qiang Ji

We propose a new approach for 3D instance segmentation based on sparse convolution and point affinity prediction, which indicates the likelihood of two points belonging to the same instance. The proposed network, built upon submanifold…

Computer Vision and Pattern Recognition · Computer Science 2019-02-13 Chen Liu , Yasutaka Furukawa

Explainability is an important factor to drive user trust in the use of neural networks for tasks with material impact. However, most of the work done in this area focuses on image analysis and does not take into account 3D data. We extend…

Computer Vision and Pattern Recognition · Computer Science 2020-06-11 Ananya Gupta , Simon Watson , Hujun Yin

In this paper, we investigate adaptive nonlinear regression and introduce tree based piecewise linear regression algorithms that are highly efficient and provide significantly improved performance with guaranteed upper bounds in an…

Machine Learning · Computer Science 2013-12-30 N. Denizcan Vanli , Suleyman S. Kozat

We represent the further development of S-tree technique of the study the structure of clusters of galaxies. The S-tree technique developed by Gurzadyan et al enables one to analyse the substructures of clusters via self-consistent use of…

Astrophysics · Physics 2007-05-23 K. M. Bekarian , A. A. Melkonian

We propose a novel 3D segmentation method for RBGD stream data to deal with 3D object segmentation task in a generic scenario with frequent object interactions. It mainly contributes in two aspects, while being generic and not requiring…

Computer Vision and Pattern Recognition · Computer Science 2019-04-19 Xiao Lin , Josep R. Casas , Montse Pardàs

This paper presents a distributed approach that scales up to segment tree crowns within a LiDAR point cloud representing an arbitrarily large forested area. The approach uses a single-processor tree segmentation algorithm as a building…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-03-21 Hamid Hamraz , Marco A. Contreras , Jun Zhang

We propose a deep neural network for supervised learning on neuroanatomical shapes. The network directly operates on raw point clouds without the need for mesh processing or the identification of point correspondences, as spatial…

Computer Vision and Pattern Recognition · Computer Science 2018-06-05 Benjamin Gutierrez-Becker , Christian Wachinger

Accurate 3D object detection from point clouds has become a crucial component in autonomous driving. However, the volumetric representations and the projection methods in previous works fail to establish the relationships between the local…

Computer Vision and Pattern Recognition · Computer Science 2021-12-24 Qingdong He , Zhengning Wang , Hao Zeng , Yi Zeng , Yijun Liu

Recent advances in Neural Machine Translation (NMT) show that adding syntactic information to NMT systems can improve the quality of their translations. Most existing work utilizes some specific types of linguistically-inspired tree…

Computation and Language · Computer Science 2018-08-29 Xinyi Wang , Hieu Pham , Pengcheng Yin , Graham Neubig

Despite the success of deep learning for text and image data, tree-based ensemble models are still state-of-the-art for machine learning with heterogeneous tabular data. However, there is a significant need for tabular-specific…

Machine Learning · Computer Science 2024-03-13 Sascha Marton , Stefan Lüdtke , Christian Bartelt , Heiner Stuckenschmidt

This paper introduces a fast and efficient segmentation technique for 2D images and 3D point clouds of building facades. Facades of buildings are highly structured and consequently most methods that have been proposed for this problem aim…

Computer Vision and Pattern Recognition · Computer Science 2016-06-22 Raghudeep Gadde , Varun Jampani , Renaud Marlet , Peter V. Gehler

Understanding 3D point cloud models for learning purposes has become an imperative challenge for real-world identification such as autonomous driving systems. A wide variety of solutions using deep learning have been proposed for point…

Computer Vision and Pattern Recognition · Computer Science 2022-06-01 Farid Ghareh Mohammadi , Cheng Chen , Farzan Shenavarmasouleh , M. Hadi Amini , Beshoy Morkos , Hamid R. Arabnia

Tree-based machine learning techniques, such as Decision Trees and Random Forests, are top performers in several domains as they do well with limited training datasets and offer improved interpretability compared to Deep Neural Networks…

Emerging Technologies · Computer Science 2021-10-27 Giacomo Pedretti , Catherine E. Graves , Can Li , Sergey Serebryakov , Xia Sheng , Martin Foltin , Ruibin Mao , John Paul Strachan

Despite achieving remarkable performance on various vision-language tasks, Transformer-based Vision-Language Models (VLMs) suffer from redundancy in inputs and parameters, significantly hampering their efficiency in real-world applications.…

Computation and Language · Computer Science 2024-02-27 Zekun Wang , Jingchang Chen , Wangchunshu Zhou , Haichao Zhu , Jiafeng Liang , Liping Shan , Ming Liu , Dongliang Xu , Qing Yang , Bing Qin

Reconstructing Portal Vein and Hepatic Vein trees from contrast enhanced abdominal CT scans is a prerequisite for preoperative liver surgery simulation. Existing deep learning based methods treat vascular tree reconstruction as a semantic…

Computer Vision and Pattern Recognition · Computer Science 2020-09-21 Deepak Keshwani , Yoshiro Kitamura , Satoshi Ihara , Satoshi Iizuka , Edgar Simo-Serra

In this paper, we present a simple yet effective formulation called Coverage Axis for 3D shape skeletonization. Inspired by the set cover problem, our key idea is to cover all the surface points using as few inside medial balls as possible.…

Graphics · Computer Science 2022-01-27 Zhiyang Dou , Cheng Lin , Rui Xu , Lei Yang , Shiqing Xin , Taku Komura , Wenping Wang

Understanding and analyzing the spatial semantics and structure of forests is essential for accurate forest resource monitoring and ecosystem research. However, the lack of large-scale and annotated datasets has limited the widespread use…

Computer Vision and Pattern Recognition · Computer Science 2025-01-08 Jing Liu , Duanchu Wang , Haoran Gong , Chongyu Wang , Jihua Zhu , Di Wang
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