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Machine vision for plant phenotyping is an emerging research area for producing high throughput in agriculture and crop science applications. Since 2D based approaches have their inherent limitations, 3D plant analysis is becoming state of…

Computer Vision and Pattern Recognition · Computer Science 2017-05-02 Ayan Chaudhury , Christopher Ward , Ali Talasaz , Alexander G. Ivanov , Mark Brophy , Bernard Grodzinski , Norman P. A. Huner , Rajni V. Patel , John L. Barron

Field robotic harvesting is a promising technique in recent development of agricultural industry. It is vital for robots to recognise and localise fruits before the harvesting in natural orchards. However, the workspace of harvesting robots…

Robotics · Computer Science 2022-01-24 Hanwen Kang , Xing Wang , Chao Chen

A rooted phylogenetic network is a directed acyclic graph with a single root, whose sinks correspond to a set of species. As such networks are useful for representing the evolution of species that have undergone reticulate evolution, there…

Populations and Evolution · Quantitative Biology 2022-06-28 Vincent Moulton , Taoyang Wu

In light of growing challenges in agriculture with ever growing food demand across the world, efficient crop management techniques are necessary to increase crop yield. Precision agriculture techniques allow the stakeholders to make…

Computer Vision and Pattern Recognition · Computer Science 2020-06-23 Akshay L Chandra , Sai Vikas Desai , Wei Guo , Vineeth N Balasubramanian

In this paper, we present a solution for arbitrary 3D character deformation by investigating rotation angle of decomposition and preserving the mesh topology structure. In computer graphics, skeleton extraction and skeleton-driven animation…

Computer Vision and Pattern Recognition · Computer Science 2016-08-18 Hugo Martin , Raphael Fernandez , Yong Khoo

Automated segmentation of individual leaves of a plant in an image is a prerequisite to measure more complex phenotypic traits in high-throughput phenotyping. Applying state-of-the-art machine learning approaches to tackle leaf instance…

Computer Vision and Pattern Recognition · Computer Science 2019-03-25 Daniel Ward , Peyman Moghadam , Nicolas Hudson

This article presents a novel 3D planar patch extraction method using a probabilistic region growing algorithm. Our method works by simultaneously initiating multiple planar patches from seed points, the latter determined by an…

Computer Vision and Pattern Recognition · Computer Science 2014-06-30 Vasileios Zografos

Point clouds are a set of data points in space to represent the 3D geometry of objects. A fundamental step in the processing is to identify a subset of points to represent the shape. While traditional sampling methods often ignore to…

Computer Vision and Pattern Recognition · Computer Science 2026-02-05 Pierre Onghena , Santiago Velasco-Forero , Beatriz Marcotegui

Smart farming is a growing field as technology advances. Plant characteristics are crucial indicators for monitoring plant growth. Research has been done to estimate characteristics like leaf area index, leaf disease, and plant height.…

Computer Vision and Pattern Recognition · Computer Science 2023-04-10 Yuning Xing , Dexter Pham , Henry Williams , David Smith , Ho Seok Ahn , JongYoon Lim , Bruce A. MacDonald , Mahla Nejati

Plant phenotyping is a central task in agriculture, as it describes plants' growth stage, development, and other relevant quantities. Robots can help automate this process by accurately estimating plant traits such as the number of leaves,…

Computer Vision and Pattern Recognition · Computer Science 2023-06-16 Gianmarco Roggiolani , Matteo Sodano , Tiziano Guadagnino , Federico Magistri , Jens Behley , Cyrill Stachniss

We present techniques to measure crop heights using a 3D Light Detection and Ranging (LiDAR) sensor mounted on an Unmanned Aerial Vehicle (UAV). Knowing the height of plants is crucial to monitor their overall health and growth cycles,…

Robotics · Computer Science 2023-06-02 Harnaik Dhami , Kevin Yu , Tianshu Xu , Qian Zhu , Kshitiz Dhakal , James Friel , Song Li , Pratap Tokekar

The usual methods for root finding of polynomials are based on the iteration of a numerical formula for improvement of successive estimations. The unpredictable nature of the iterations prevents to search roots inside a pre-specified region…

Numerical Analysis · Mathematics 2013-08-21 Juan Luis García Zapata , Juan Carlos Díaz Martín

We model an artificial root which grows in the soil for underground prospecting. Its evolution is described by a controlled system of two integro-partial differential equations: one for the growth of the body and the other for the…

Analysis of PDEs · Mathematics 2020-05-14 Fabio Ancona , Alberto Bressan , Maria Teresa Chiri

Recent years have seen substantial improvements in the ability to generate synthetic 3D objects using AI. However, generating complex 3D objects, such as plants, remains a considerable challenge. Current generative 3D models struggle with…

Computer Vision and Pattern Recognition · Computer Science 2025-05-22 Zane K J Hartley , Lewis A G Stuart , Andrew P French , Michael P Pound

Foundation segmentation models achieve reasonable leaf instance extraction from top-view crop images without training (i.e., zero-shot). However, segmenting entire plant individuals with each consisting of multiple overlapping leaves…

Computer Vision and Pattern Recognition · Computer Science 2025-12-22 Junhao Xing , Ryohei Miyakawa , Yang Yang , Xinpeng Liu , Risa Shinoda , Hiroaki Santo , Yosuke Toda , Fumio Okura

Deep learning-based networks are among the most prominent methods to learn linear patterns and extract this type of information from diverse imagery conditions. Here, we propose a deep learning approach based on graphs to detect plantation…

Tooth segmentation in Cone-Beam Computed Tomography (CBCT) remains challenging, especially for fine structures like root apices, which is critical for assessing root resorption in orthodontics. We introduce GEPAR3D, a novel approach that…

Creating accurate 3D models of tree topology is an important task for tree pruning. The 3D model is used to decide which branches to prune and then to execute the pruning cuts. Previous methods for creating 3D tree models have typically…

Robotics · Computer Science 2024-06-19 Alexander You , Aarushi Mehta , Luke Strohbehn , Jochen Hemming , Cindy Grimm , Joseph R. Davidson

In this paper, multiple instance learning (MIL) algorithms to automatically perform root detection and segmentation in minirhizotron imagery using only image-level labels are proposed. Root and soil characteristics vary from location to…

Computer Vision and Pattern Recognition · Computer Science 2020-05-26 Guohao Yu , Alina Zare , Hudanyun Sheng , Roser Matamala , Joel Reyes-Cabrera , Felix B. Fritschi , Thomas E. Juenger

This paper analyzes the robustness of recent 3D shape descriptors to SO(3) rotations, something that is fundamental to shape modeling. Specifically, we formulate the task of rotated 3D object instance detection. To do so, we consider a…

Computer Vision and Pattern Recognition · Computer Science 2023-05-31 Supriya Gadi Patil , Angel X. Chang , Manolis Savva
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