James Patrick Underwood

Publication Activity (10 Years)

Years Active: 2006-2021
Publications (10 Years): 28

Top Topics

Hyperspectral Imaging

Ground Vehicles

Unstructured Environments

Top Venues

Comput. Electron. Agric.

J. Field Robotics

Publications

Fred Westling, James Patrick Underwood, Mitch Bryson
Graph-based methods for analyzing orchard tree structure using noisy point cloud data. Comput. Electron. Agric. 187 (2021)
Fredrik Westling, James Patrick Underwood, Mitch Bryson
A procedure for automated tree pruning suggestion using LiDAR scans of fruit trees. CoRR (2021)
Fred Westling, Mitch Bryson, James Patrick Underwood
SimTreeLS: Simulating aerial and terrestrial laser scans of trees. Comput. Electron. Agric. 187 (2021)
Fred Westling, James Patrick Underwood, Mitch Bryson
A procedure for automated tree pruning suggestion using LiDAR scans of fruit trees. Comput. Electron. Agric. 187 (2021)
Fredrik Westling, Mitch Bryson, James Patrick Underwood
SimTreeLS: Simulating aerial and terrestrial laser scans of trees. CoRR (2020)
Mikkel Kragh Hansen, James Patrick Underwood
Multimodal obstacle detection in unstructured environments with conditional random fields. J. Field Robotics 37 (1) (2020)
Fred Westling, Kare Mahmud, James Patrick Underwood, Ian Bally
Replacing traditional light measurement with LiDAR based methods in orchards. Comput. Electron. Agric. 179 (2020)
Fredrik Westling, James Patrick Underwood, Mitch Bryson
Graph-based methods for analyzing orchard tree structure using noisy point cloud data. CoRR (2020)
Salvador Gutiérrez, Alexander Wendel, James Patrick Underwood
Spectral filter design based on in-field hyperspectral imaging and machine learning for mango ripeness estimation. Comput. Electron. Agric. 164 (2019)
Salvador Gutiérrez, Alexander Wendel, James Patrick Underwood
Ground based hyperspectral imaging for extensive mango yield estimation. Comput. Electron. Agric. 157 (2019)
Xu Liu, Steven W. Chen, Chenhao Liu, Shreyas S. Shivakumar, Jnaneshwar Das, Camillo J. Taylor, James Patrick Underwood, Vijay Kumar
Monocular Camera Based Fruit Counting and Mapping With Semantic Data Association. IEEE Robotics Autom. Lett. 4 (3) (2019)
Xu Liu, Steven W. Chen, Chenhao Liu, Shreyas S. Shivakumar, Jnaneshwar Das, Camillo J. Taylor, James Patrick Underwood, Vijay Kumar
Monocular Camera Based Fruit Counting and Mapping with Semantic Data Association. CoRR (2018)
Alexander Wendel, James Patrick Underwood, Kerry B. Walsh
Maturity estimation of mangoes using hyperspectral imaging from a ground based mobile platform. Comput. Electron. Agric. 155 (2018)
Zhenglin Wang, James Patrick Underwood, Kerry B. Walsh
Machine vision assessment of mango orchard flowering. Comput. Electron. Agric. 151 (2018)
John Gardenier, James Patrick Underwood, Cameron Clark
Object Detection for Cattle Gait Tracking. ICRA (2018)
Fred Westling, James Patrick Underwood, Samuel Örn
Light interception modelling using unstructured LiDAR data in avocado orchards. Comput. Electron. Agric. 153 (2018)
James Patrick Underwood, Alexander Wendel, Brooke Schofield, Larn McMurray, Rohan Kimber
Efficient in-field plant phenomics for row-crops with an autonomous ground vehicle. J. Field Robotics 34 (6) (2017)
Alexander Wendel, James Patrick Underwood
Extrinsic Parameter Calibration for Line Scanning Cameras on Ground Vehicles with Navigation Systems Using a Calibration Pattern. Sensors 17 (11) (2017)
Alexander Wendel, James Patrick Underwood
Extrinsic Parameter Calibration for Line Scanning Cameras on Ground Vehicles. CoRR (2017)
Mikkel Kragh Hansen, James Patrick Underwood
Multi-Modal Obstacle Detection in Unstructured Environments with Conditional Random Fields. CoRR (2017)
Suchet Bargoti, James Patrick Underwood
Deep fruit detection in orchards. ICRA (2017)
Suchet Bargoti, James Patrick Underwood
Image Segmentation for Fruit Detection and Yield Estimation in Apple Orchards. J. Field Robotics 34 (6) (2017)
Alexander Wendel, James Patrick Underwood
Self-supervised weed detection in vegetable crops using ground based hyperspectral imaging. ICRA (2016)
Suchet Bargoti, James Patrick Underwood
Image Segmentation for Fruit Detection and Yield Estimation in Apple Orchards. CoRR (2016)
Madeleine Stein, Suchet Bargoti, James Patrick Underwood
Image Based Mango Fruit Detection, Localisation and Yield Estimation Using Multiple View Geometry. Sensors 16 (11) (2016)
Suchet Bargoti, James Patrick Underwood
Image classification with orchard metadata. ICRA (2016)
James Patrick Underwood, Calvin Hung, Brett Whelan, Salah Sukkarieh
Mapping almond orchard canopy volume, flowers, fruit and yield using lidar and vision sensors. Comput. Electron. Agric. 130 (2016)
Suchet Bargoti, James Patrick Underwood
Deep Fruit Detection in Orchards. CoRR (2016)
Annalisa Milella, Giulio Reina, James Patrick Underwood
A Self-learning Framework for Statistical Ground Classification using Radar and Monocular Vision. J. Field Robotics 32 (1) (2015)
Suchet Bargoti, James Patrick Underwood, Juan I. Nieto, Salah Sukkarieh
A Pipeline for Trunk Detection in Trellis Structured Apple Orchards. J. Field Robotics 32 (8) (2015)
Graham M. Brooker, David Johnson, James Patrick Underwood, Javier Martinez, Lu Xuan
Using the Polarization of Millimeter-wave Radar as a Navigation Aid. J. Field Robotics 32 (1) (2015)
Giulio Reina, David Johnson, James Patrick Underwood
Radar Sensing for Intelligent Vehicles in Urban Environments. Sensors 15 (6) (2015)
James Patrick Underwood, Gustav Jagbrant, Juan I. Nieto, Salah Sukkarieh
Lidar-Based Tree Recognition and Platform Localization in Orchards. J. Field Robotics 32 (8) (2015)
Annalisa Milella, Giulio Reina, James Patrick Underwood, Bertrand Douillard
Visual ground segmentation by radar supervision. Robotics Auton. Syst. 62 (5) (2014)
Christopher Joseph Brunner, Thierry Peynot, Teresa A. Vidal-Calleja, James Patrick Underwood
Selective Combination of Visual and Thermal Imaging for Resilient Localization in Adverse Conditions: Day and Night, Smoke and Fire. J. Field Robotics 30 (4) (2013)
James Patrick Underwood, D. Gillsjo, Tim Bailey, Vsevolod Vlaskine
Explicit 3D change detection using ray-tracing in spherical coordinates. ICRA (2013)
Suchet Bargoti, James Patrick Underwood, Juan I. Nieto, Salah Sukkarieh
A Pipeline for Trunk Localisation Using LiDAR in Trellis Structured Orchards. FSR (2013)
Gustav Jagbrant, James Patrick Underwood, Juan I. Nieto, Salah Sukkarieh
LiDAR Based Tree and Platform Localisation in Almond Orchards. FSR (2013)
Peter Morton, Bertrand Douillard, James Patrick Underwood
Multi-sensor identity tracking with event graphs. ICRA (2013)
Calvin Hung, James Patrick Underwood, Juan I. Nieto, Salah Sukkarieh
A Feature Learning Based Approach for Automated Fruit Yield Estimation. FSR (2013)
Zhe Xu, Robert Fitch, James Patrick Underwood, Salah Sukkarieh
Decentralized Coordinated Tracking with Mixed Discrete-Continuous Decisions. J. Field Robotics 30 (5) (2013)
Calvin Hung, Juan I. Nieto, Zachary Taylor, James Patrick Underwood, Salah Sukkarieh
Orchard fruit segmentation using multi-spectral feature learning. IROS (2013)
Giulio Reina, Annalisa Milella, James Patrick Underwood
A Self-Learning Ground Classifier Using Radar Features. FSR (2012)
Bertrand Douillard, Alastair James Quadros, Peter Morton, James Patrick Underwood, Mark De Deuge, S. Hugosson, M. Hallstrom, Tim Bailey
Scan segments matching for pairwise 3D alignment. ICRA (2012)
Alastair James Quadros, James Patrick Underwood, Bertrand Douillard
An occlusion-aware feature for range images. ICRA (2012)
Bertrand Douillard, Alastair James Quadros, Peter Morton, James Patrick Underwood, Mark De Deuge
A 3D classifier trained without field samples. ICARCV (2012)
Giulio Reina, Annalisa Milella, James Patrick Underwood
Self-learning classification of radar features for scene understanding. Robotics Auton. Syst. 60 (11) (2012)
Giulio Reina, James Patrick Underwood, Graham M. Brooker, Hugh F. Durrant-Whyte
Radar-based perception for autonomous outdoor vehicles. J. Field Robotics 28 (6) (2011)
Annalisa Milella, Giulio Reina, James Patrick Underwood, Bertrand Douillard
Combining radar and vision for self-supervised ground segmentation in outdoor environments. IROS (2011)
Giulio Reina, James Patrick Underwood, Graham M. Brooker
Short-Range Radar Perception in Outdoor Environments. TAROS (2011)
Bertrand Douillard, James Patrick Underwood, Noah Kuntz, Vsevolod Vlaskine, Alastair James Quadros, Peter Morton, Alon Frenkel
On the segmentation of 3D LIDAR point clouds. ICRA (2011)
James Patrick Underwood, Andrew John Hill, Thierry Peynot, Steve Scheding
Error modeling and calibration of exteroceptive sensors for accurate mapping applications. J. Field Robotics 27 (1) (2010)
Bertrand Douillard, James Patrick Underwood, Narek Melkumyan, Surya P. N. Singh, Shrihari Vasudevan, Christopher Joseph Brunner, Alastair James Quadros
Hybrid elevation maps: 3D surface models for segmentation. IROS (2010)
Bertrand Douillard, James Patrick Underwood, Vsevolod Vlaskine, Alastair James Quadros, Surya P. N. Singh
A Pipeline for the Segmentation and Classification of 3D Point Clouds. ISER (2010)
Thomas Allen, Andrew John Hill, James Patrick Underwood, Steve Scheding
Dynamic path planning with multi-agent data fusion - The Parallel Hierarchical Replanner. ICRA (2009)
Thierry Peynot, James Patrick Underwood, Steve Scheding
Towards reliable perception for Unmanned Ground Vehicles in challenging conditions. IROS (2009)
James Patrick Underwood, Andrew John Hill, Steve Scheding
Calibration of range sensor pose on mobile platforms. IROS (2007)
Alen Alempijevic, Sarath Kodagoda, James Patrick Underwood, Suresh Kumar, Gamini Dissanayake
Mutual Information based Sensor Registration and Calibration. IROS (2006)
K. R. S. Kodagoda, Alen Alempijevic, James Patrick Underwood, Suresh Kumar, Gamini Dissanayake
Sensor Registration and Calibration using Moving Targets. ICARCV (2006)