Search Results - "KAASALAINEN, Mikko"
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Fast Automatic Precision Tree Models from Terrestrial Laser Scanner Data
Published in Remote sensing (Basel, Switzerland) (01-02-2013)“…This paper presents a new method for constructing quickly and automatically precision tree models from point clouds of the trunk and branches obtained by…”
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Analysis of Incidence Angle and Distance Effects on Terrestrial Laser Scanner Intensity: Search for Correction Methods
Published in Remote sensing (Basel, Switzerland) (01-10-2011)“…The intensity information from terrestrial laser scanners (TLS) has become an important object of study in recent years, and there are an increasing number of…”
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3
Nondestructive estimates of above‐ground biomass using terrestrial laser scanning
Published in Methods in ecology and evolution (01-02-2015)“…Summary Allometric equations are currently used to estimate above‐ground biomass (AGB) based on the indirect relationship with tree parameters. Terrestrial…”
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Analysis of Geometric Primitives in Quantitative Structure Models of Tree Stems
Published in Remote sensing (Basel, Switzerland) (01-04-2015)“…One way to model a tree is to use a collection of geometric primitives to represent the surface and topology of the stem and branches of a tree. The circular…”
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Change Detection of Tree Biomass with Terrestrial Laser Scanning and Quantitative Structure Modelling
Published in Remote sensing (Basel, Switzerland) (2014)“…We present a new application of terrestrial laser scanning and mathematical modelling for the quantitative change detection of tree biomass, volume, and…”
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6
Non-intersecting leaf insertion algorithm for tree structure models
Published in Interface focus (06-04-2018)“…We present an algorithm and an implementation to insert broadleaves or needleleaves into a quantitative structure model according to an arbitrary distribution,…”
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7
Acceleration of the rotation of asteroid 1862 Apollo by radiation torques
Published in Nature (22-03-2007)“…The anisotropic reflection and thermal re-emission of sunlight from an asteroid's surface acts as a propulsion engine. The net propulsion force (Yarkovsky…”
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The violent collisional history of aqueously evolved (2) Pallas
Published in Nature astronomy (01-06-2020)“…Asteroid (2) Pallas is the largest main-belt object not yet visited by a spacecraft, making its surface geology largely unknown and limiting our understanding…”
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Predicting tree structure from tree height using terrestrial laser scanning and quantitative structure models
Published in Silva fennica (Helsinki, Finland : 1967) (2014)“…We apply quantitative structure modelling to produce detailed information on branch-level metrics in trees. Particularly we are interested in the branch size…”
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A Portrait of the Nucleus of Comet 67P/Churyumov-Gerasimenko
Published in Space science reviews (01-02-2007)“…In 2003, comet 67P/Churyumov–Gerasimenko was selected as the new target of the Rosetta mission as the most suitable alternative to the original target, comet…”
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11
Absolute radiometric calibration of Als intensity data: effects on accuracy and target classification
Published in Sensors (Basel, Switzerland) (01-11-2011)“…Radiometric calibration of airborne laser scanning (ALS) intensity data aims at retrieving a value related to the target scattering properties, which is…”
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12
The shape and rotation of asteroid 2008 TC3
Published in Meteoritics & planetary science (01-10-2010)“…– On October 6, 2008, a small F‐class asteroid 2008 TC3 was discovered by Catalina Sky Survey telescope, and exploded 20 hr later in the Earth’s atmosphere at…”
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13
Tree Root System Characterization and Volume Estimation by Terrestrial Laser Scanning and Quantitative Structure Modeling
Published in Forests (01-12-2014)“…The accurate characterization of three-dimensional (3D) root architecture, volume, and biomass is important for a wide variety of applications in forest…”
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14
Shapes and rotational properties of thirty asteroids from photometric data
Published in Icarus (New York, N.Y. 1962) (01-08-2003)“…We have analyzed photometric lightcurves of 30 asteroids, and present here the obtained shapes, rotational periods and pole directions. We also present new…”
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Orbiter-to-orbiter tomography: a potential approach for small solar system bodies
Published in IEEE transactions on aerospace and electronic systems (01-12-2016)“…The goal of this paper is to advance mathematical and computational methodology for orbiter-to-orbiter radio tomography of small solar system bodies. In this…”
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Radar observations of asteroid 25143 Itokawa (1998 SF36)
Published in Meteoritics & planetary science (01-03-2004)“…— We observed 25143 Itokawa, the target of Japan's Hayabusa (MUSES‐C) sample‐return mission, during its 2001 close approach at Arecibo on twelve dates during…”
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Automatic tree species recognition with quantitative structure models
Published in Remote sensing of environment (15-03-2017)“…We present three robust methods to accurately and automatically recognize tree species from terrestrial laser scanner data. The recognition is based on the use…”
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18
Poincaré inverse problem and torus construction in phase space
Published in Physica. D (01-02-2016)“…The phase space of an integrable Hamiltonian system is foliated by invariant tori. For an arbitrary Hamiltonian H such a foliation may not exist, but we can…”
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Radar observations of Itokawa in 2004 and improved shape estimation
Published in Meteoritics & planetary science (01-11-2005)“…— We present June 2004 radar images of asteroid 25143 Itokawa (1998 SF36) that improve upon the longitude‐latitude coverage of images obtained in 2001 by Ostro…”
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Do trees have constant branch divergence angles?
Published in Journal of theoretical biology (07-03-2021)“…•Many plant species display constant rotational angles between leaves along the stem.•This has led a number of tree models to assume constant angles between…”
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