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Simulate forest trees by integrating L-system and 3D CAD files [article]

M. Hassan Tanveer, Antony Thomas, Xiaowei Wu, Hongxiao Zhu
2020 arXiv   pre-print
Specifically, we adopt the Lindenmayer process to simulate the branching pattern of trees and modify the available measurements and dimensions of 3D CAD developed object files to create natural looking  ...  This approach combines the theory of biological development, mathematical models, and computer graphics, producing simulated trees and forest with full geometry.  ...  ACKNOWLEDGMENT This research is supported in part by National Science Foundation (NSF) grant #1762577.  ... 
arXiv:2001.04530v1 fatcat:6szabcodebff3d6b7k3bhkfevm

A simulation framework for bio-inspired sonar sensing with Unmanned Aerial Vehicles

M. Hassan Tanveer, Xiaowei Wu, Antony Thomas, Chen Ming, Rolf Müller, Pratap Tokekar, Hongxiao Zhu, Fankang Li
2020 PLoS ONE  
To simulate a single tree, we adopt the Lindenmayer system to generate the initial branching pattern and integrate that with the available measurements of the 3D computer-aided design object files to create  ...  A forest is formed by simulating trees at random locations generated by using an inhomogeneous Poisson process.  ...  By integrating L-systems with 3D CAD developed object files, our approach can be used to simulate random, natural-looking trees that contain full geometry about the branches and leaves.  ... 
doi:10.1371/journal.pone.0241443 pmid:33141848 fatcat:ifmg6aowkjdnhhqad7bj6bnizi

Recreating Bat Behavior on Quad-rotor UAVs-A Simulation Approach [article]

M. Hassan Tanveer, Antony Thomas, Xiaowei Wu, Rolf Muller, Pratap Tokekar, Hongxiao Zhu
2020 arXiv   pre-print
a reference tree in a CAD object file.  ...  First, in order to create natural looking trees, the branching structures of trees are modeled by L-systems, whereas the detailed geometry of branches, sub-branches and leaves is created by randomizing  ...  We simulate the topology of each individual tree by combining Lindenmayer systems (L-systems) with modified CAD implemented object files.  ... 
arXiv:2002.05060v1 fatcat:gln6k5gdt5dnda2c7xogces3ta

Workbench for 3D target detection and recognition from airborne motion stereo and ladar imagery

Simon Roy, Stephen Se, Vinay Kotamraju, Jean Maheux, Christian Nadeau, Vincent Larochelle, Jonathan Fournier, Firooz A. Sadjadi, Abhijit Mahalanobis, Steven L. Chodos, William E. Thompson, David P. Casasent (+1 others)
2010 Automatic Target Recognition XX; Acquisition, Tracking, Pointing, and Laser Systems Technologies XXIV; and Optical Pattern Recognition XXI  
Despite advancements in both 3D sensing and 3D data exploitation, 3D imagery has yet to demonstrate a true operational gain, partly due to the processing burden of the massive dataloads generated by modern  ...  3D imagery has a well-known potential for improving situational awareness and battlespace visualization by providing enhanced knowledge of uncooperative targets.  ...  ACKNOWLEDGMENTS The authors would like to thank the military personnel from the 12 e Régiment blindé du Canada, the 5 e Bataillon des services du Canada and the 430 e Escadron tactique d'hélicoptères,  ... 
doi:10.1117/12.849567 fatcat:cw7adnoxxbex7pldfpq27kdqsi

A Survey of Algorithmic Shapes

Ulrich Krispel, Christoph Schinko, Torsten Ullrich
2015 Remote Sensing  
Using these construction rules, a shape is described by a sequence of processing steps, rather than just by the result of all applied operations: shape design becomes rule design.  ...  The aim of this survey is to give an overview of the concepts and techniques of procedural and generative modeling, as well as their applications with a special focus on archeology and architecture.  ...  Author Contributions This survey has been conducted by the stated authors, with Ulrich Krispel and Christoph Schinko contributing mainly to sections 2-5, and Torsten Ullrich mainly contributing to sections  ... 
doi:10.3390/rs71012763 fatcat:h6ztm7lcdnh4dmbefurvh6y5fm

Integrating computer-aided engineering and computer-aided design for DNA assemblies [article]

Chao-Min Huang, Anjelica Kucinic, Joshua A. Johnson, Hai-Jun Su, Carlos E. Castro
2020 bioRxiv   pre-print
The foundation of this design process is an integration of computer aided design (CAD) tools that allow rapid geometric modifications with robust simulation tools to guide design iterations (i.e. computer-aided  ...  We present an iterative design pipeline for DNA assemblies that integrates CAE based on coarse-grained molecular dynamics with a versatile CAD approach that combines top-down automation with bottom-up  ...  14, 15, 39, 40 We automated the generation of oxDNA simulation input files and integrated tools that calculate the average shape and fluctuations (Fig. 1e ) or track key parameters (e.g. angles), which  ... 
doi:10.1101/2020.05.28.119701 fatcat:plakftwp7zbaln5wdrmfib2r7a

Combining Spectral, Spatial-Contextual, and Structural Information in Multispectral UAV Data for Spruce Crown Delineation

Aravind Harikumar, Petra D'Odorico, Ingo Ensminger
2022 Remote Sensing  
Precise delineation of individual tree crowns is critical for accurate forest biophysical parameter estimation, species classification, and ecosystem modelling.  ...  Here, we propose the spectral, spatial-contextual, and structural information-based individual tree crown delineation (S3-ITD) method, which accurately delineates individual spruce crowns by minimizing  ...  Acknowledgments: We are grateful for field support and access to the field site provided by the Forest and Environmental Genomics group of the Canadian Forest Service, Quebec, in particular to Nathalie  ... 
doi:10.3390/rs14092044 fatcat:dyvr7brwwfaifln6yolsaievo4

Application of Computer 3D Modeling Technology in Modern Garden Ecological Landscape Simulation Design

Ping Gong, Jiangxiao Li, Muhammad Arif
2022 Security and Communication Networks  
spatial combination guided by data analysis.  ...  The promotion of DT improves the science and accuracy of UL planning and designs and promotes sustainable development.  ...  Visualization software and forest service systems in the United States are still in use today [20] .  ... 
doi:10.1155/2022/7646452 fatcat:zfouskcl3vcenbvzn3fcqktiu4

RFID-plants in the smart city: Applications and outlook for urban green management

Andrea Luvisi, Giacomo Lorenzini
2014 Urban Forestry & Urban Greening  
A complex relational network in which data can be collected thanks to geospatial methods can be integrated by an IoT approach in which RFID-plants can play a significant role.  ...  Interesting applications may be derived by implementing RFID tags in biomonitoring systems in order to guarantee a real-time data communication in which tags may act as antennas for multifunctional green  ...  Acknowledgement This work was supported by MIUR, Rome, project PRIN 2010-2011 "TreeCity".  ... 
doi:10.1016/j.ufug.2014.07.003 fatcat:vpelraotjvfvllffda5rexboja

Semi-automated DIRSIG scene modeling from 3D LIDAR and passive imaging sources

S. R. Lach, S. D. Brown, J. P. Kerekes, Gary W. Kamerman, Monte D. Turner
2006 Laser Radar Technology and Applications XI  
To date, scene generation has been a laborious, time-intensive process, as the terrain model, CAD objects and background maps have to be created and attributed manually.  ...  The Digital Imaging and Remote Sensing Image Generation (DIRSIG) model is an established, first-principles based scene simulation tool that produces synthetic multispectral and hyperspectral images from  ...  ACKNOWLEDGEMENTS This work has been supported in part by the NGA under University Research Initiative HM1582-05-1-2005, "Automated Imagery Analysis and Scene Modeling."  ... 
doi:10.1117/12.666096 fatcat:dlezdxysjnfovfptxv2tzxfj3m

3-D Reconstruction of an Urban Landscape to Assess the Influence of Vegetation in the Radiative Budget

Maria Angela Dissegna, Tiangang Yin, Shanshan Wei, Dan Richards, Adrienne Grêt-Regamey
2019 Forests  
The presence of trees in the scene accounted for a significant reduction of the absorbed radiation by buildings and ground.  ...  For example, in the case of a residential low-building neighborhood, although having low tree cover, the reduction of the absorbed radiation by buildings and ground was up to 15.5% for a LAD =1.  ...  Acknowledgments: The authors would like to thank Jean-Philippe Gastellu and the DART team of CESBIO (CNES, CNRS, IRD, University of Toulouse) for the consistent support with DART model and Erik Velasco  ... 
doi:10.3390/f10080700 fatcat:fobvqy6lwzafhjsga6hwim5dxm

Application of integrated spatial approaches for studying the vegetation alternation's effect on the reclaimed land of contaminated zinc mine

K Somprasong
2019 IOP Conference Series: Earth and Environment  
In this study, the integrated approaches between MINESITE 3D, Geographic Information System (GIS) application and remote sensing techniques, were assigned to simulate the repetition of the vegetation over  ...  According to the reports from both government and private sectors, the zinc mine in the middle of the basin were determined to be one of the cadmium contributors in the area.  ...  The Digital Elevation Map of the mining production area was remodeled, using the integration between the MINESITE 3D and Computer Aided Design and Drafting (CAD) application.  ... 
doi:10.1088/1755-1315/307/1/012013 fatcat:gr37bhvkvvheflpxpgoex53v4u

ARtwin: Map pivot format specification

Nam Duong Duong, Jérôme Royan, Michal Polic, Nischita Sudharsan
2020 Zenodo  
ARtwin project: A report specifying the pivot format of the map that will be used to develop the services provided by the ARtwin platform.  ...  This project has received funding from the European Union's Horizon 2020 Framework Programme for research and Innovation under Grant Agreement no 856994.  ...  Random forest: -Tree architecture. A forest consists of N trees. Each tree is built by internal nodes and leaf nodes. -Tree parameters.  ... 
doi:10.5281/zenodo.4381408 fatcat:pn2ioshymfcrrkbuhxg72kr7zy

Modeling of Residential Environment Artistic Design Based on Multisensor Data Fusion

Yang Yu, Alireza Souri
2022 Wireless Communications and Mobile Computing  
From the aspects of 3D city location data collection technology, 3D city model technology, 3D exhibition, etc., the advanced technology in 3D city model, 3DGIS software system, and other issues are discussed  ...  The development of a 3D city model is accompanied by the continuous progress of technical knowledge, the continuous increase of public interest in it, and the rapid progress of national knowledge.  ...  The original data is still controlled by the two-dimensional GIS, in which the geometric data is controlled by the file system, and the quality data is controlled by the business-related database system  ... 
doi:10.1155/2022/4961698 fatcat:huxoqyv6ojeclpvvns3h7zbh7q

A Practical Approach for Extracting Tree Models in Forest Environments Based on Equirectangular Projections of Terrestrial Laser Scans

Lothar Eysn, Norbert Pfeifer, Camillo Ressl, Markus Hollaus, Andreas Grafl, Felix Morsdorf
2013 Remote Sensing  
However, in dense forests a fully automatic reconstruction of trees is often limited by occlusion, wind influences and co-registration issues.  ...  Extracting 3D tree models based on terrestrial laser scanning (TLS) point clouds is a challenging task as trees are complex objects.  ...  Acknowledgments This study is partly financed by the ESA funded 3D-VegetationLab project and the project NEWFOR financed by the European Territorial Cooperation "Alpine Space".  ... 
doi:10.3390/rs5115424 fatcat:p2ugtu36ybbfflfdciaybh2x3q
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