Roof type determination from a sparse laser scanning point cloud

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11310%2F12%3A10130195" target="_blank" >RIV/00216208:11310/12:10130195 - isvavai.cz</a>

Result on the web

<a href="http://web.natur.cuni.cz/gis/aucg/index.php?option=com_phocadownload&view=category&download=96:petr-hofman-marketa-potkova-roof-type-determination-from-a-sparse-laser-scanning-point-cloud-&id=14:issue-12012&Itemid=98" target="_blank" >http://web.natur.cuni.cz/gis/aucg/index.php?option=com_phocadownload&view=category&download=96:petr-hofman-marketa-potkova-roof-type-determination-from-a-sparse-laser-scanning-point-cloud-&id=14:issue-12012&Itemid=98</a>

DOI - Digital Object Identifier

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Result language

angličtina

Original language name

Roof type determination from a sparse laser scanning point cloud

Original language description

A method for determining a roof coverage type and a building height from a sparse laser scanning point cloud was introduced in Hofman (2008). This model driven approach utilizes 2D building outlines from the Digital Cadastral Map (DCM) and orthoimages inaddition to an airborne laser scanning point cloud. Its results were unsatisfactory, since the determination of roof types was not reliable. Thus, a practical application of this method was not possible. While searching possibilities for its improvement, it was discovered that derivation of roof edges from orthoimages was the weakest point in the workflow. A new model driven method is presented, which is suitable for buildings with a rectangular plot. Based on four predefined roof types, a subset of apoint cloud is divided into several groups corresponding to roof planes. The best fitting planes are found by means of least squares adjustment with an iterative exclusion of outliers. The most probable roof type is selected by an evaluat

Czech name

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Czech description

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Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

DE - Earth magnetism, geodesy, geography

OECD FORD branch

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Project

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Continuities

S - Specificky vyzkum na vysokych skolach

Publication year

2012

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Acta Universitatis Carolinae. Geographica

ISSN

0300-5402

e-ISSN

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Volume of the periodical

47

Issue of the periodical within the volume

1

Country of publishing house

CZ - CZECH REPUBLIC

Number of pages

5

Pages from-to

35-39

UT code for WoS article

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EID of the result in the Scopus database

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