Ograniczanie wyników
Czasopisma help
Lata help
Autorzy help
Preferencje help
Widoczny [Schowaj] Abstrakt
Liczba wyników
Znaleziono wyników: 238
first rewind previous Strona / 12 next fast forward last
Wyszukiwano:
w słowach kluczowych:  laser scanning
help Sortuj według:

help Ogranicz wyniki do:
1
100%
Reports on Geodesy
2011 z. 1/90 447--460
EN Control points are inseparable components of the laser scanning measurement process. They are mainly applied to connect point clouds from various standpoints. These points also ensure control in transformations of individual scanning positions and thus significantly affect the accuracy of the whole [...]
2
100%
Geodezja / Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie
PL Od kilku już lat rynek sprzętu geodezyjnego zdominowały bezlustrowe przyrządy laserowe - dalmierze wbudowane w tachimetry i skanery, stanowiące podstawową bazę instrumentalną wielu liczących się producentów sprzętu geodezyjnego na świecie. W artykule przedstawiono wyniki testów wybranych instrumentó[...]
EN For several years the market of surveying equipment has been dominated by reflectorless laser instruments - telemeters built into tachometers and scanners. They make the instrumental base for many important producers of surveying equipment in the world. In this article, the results of the tests on s[...]
3
100%
Applied Computer Science
2007 Vol. 3, no 1 95--107
4
80%
Reports on Geodesy
2010 z. 1/88 37-43
EN The paper presents the results of performed accuracy analysis for the spatial models obtained during the laser scanning process. The scan of the different elements beginning from the regular geometric surfaces to built up architectonical forms made at The Main Building of the Warsaw University of Te[...]
5
80%
Technical Sciences / University of Warmia and Mazury in Olsztyn
2013 nr 16(1) 73--80
EN This paper is devoted to a practical verification of applying the Phong model, conducted based on available survey data obtained in field conditions. This model has already been described in previous articles, in which authors, using surveys performed in laboratory conditions, showed how to change t[...]
6
80%
Optica Applicata
2013 Vol. 43, nr 3 421--433
EN Maintenance works are crucial to reduce the risk of accidents. Road signs appear to be one of the most important elements for safety purposes so their inspection is commonly included in the most extended road management systems. The geometric state of the sign is of great importance, especially inte[...]
7
80%
Optica Applicata
2013 Vol. 43, nr 3 435--440
EN Length measurement is very common in many industrial applications and there is a number of instrumentation involved, mainly dependent on the range and accuracy requirements. In this work, a contactless optical measurement unit is developed. It is based on a mouse sensor and an external laser source.[...]
8
80%
Wiadomości Konserwatorskie
2009 Nr 26 727-737
PL W ciągu ostatnich kilku lat wielu naukowców próbowało wykorzystać skanowanie laserowe, używając tej techniki w szerokim zakresie zastosowań i stale rzucając wyzwanie jej możliwościom. Zwłaszcza w dziedzinie dziedzictwa kulturowego skanowanie laserowe stało się ważnym narzędziem dla tworzenia rzeczyw[...]
EN Over the last few years many researchers have tried to exploit the benefits of laser scanning by using the technique in a broad range of applications and constantly challenging its possibilities. Especially in the field of cultural heritage, laser scanning has become an important tool for the crea[...]
9
80%
Zeszyty Naukowo-Techniczne Stowarzyszenia Inżynierów i Techników Komunikacji w Krakowie. Seria: Materiały Konferencyjne
2010 Nr 95, z. 154 395--408
PL W artykule przybliżono zagadnienia związane z jednym z najnowszych osiągnięć technologii pomiarowych jakim jest skaning laserowy, a w szczególności naziemny skaning laserowy – TLS (Terrestrial Laser Scanning). Zaprezentowano również wyniki pomiarów na odcinku doświadczalnym obejmującym pomiar skrajn[...]
EN The problem related to one of the brand-new achievements of measurement technology like laser scanning and in particular terrestrial laser scanning (TLS) have been introduced in the paper. The results of measurements at experimental section including structure gauge in railway station measurement ha[...]
10
80%
Reports on Geodesy
2009 z. 2/87 231-238
EN In recent years terrestrial laser scanning is rapidly evolving as a surveying technique for the monitoring of engineering objects like roof constructions, mines, dams, viaducts and tunnels. The advantage of laser scanning above traditional surveying methods is that it allows for the rapid acquisitio[...]
11
80%
Geodeta : magazyn geoinformacyjny
2012 nr 5 20-24
12
80%
Geodeta : magazyn geoinformacyjny
2007 nr 1 14-19
13
80%
Acta Geophysica
2012 Vol. 60, no. 6 1589-1606
EN The vertical structure of river beds varies temporally and spatially in response to hydraulic regime, sediment mobility, grain size distribution and faunal interaction. Implicit are changes to the active layer depth and bed porosity, both critical in describing processes such as armour layer develop[...]
14
80%
Reports on Geodesy
2011 z. 1/90 537--544
EN Periodical surveys of concrete structures, performed within geodetic monitoring, may be implemented using laser scanners. Similarly to a tacheometer, the scanner determines spatial co-ordinates (X, Y, Z) of surveyed points, specifying the distance and angles. Besides the speed of operations, the par[...]
15
80%
Reports on Geodesy
2011 z. 1/90 545--551
EN Surveying measurements, together with accuracy of elevation determinations, which may be currently achieved, remain the more reliable source of information concerning displacements of soils and foundations of buildings located close to newly constructed structures. A numerical model, which is used t[...]
16
80%
Opto - Electronics Review
EN A single junction amorphous silicon photovoltaic module has been examined using a laser scanning system under different bias conditions. Laser scanning can be used as a tool to investigate non-dstructively cell-to-cell performance and reveal possible material defects undetectable by other methods. I[...]
17
80%
Optica Applicata
2012 Vol. 42, nr 4 773--781
EN Terrestrial laser scanners are important instruments in architecture, civil engineering, cultural heritage, mining and industry. The accuracy of the system is determined from several parameters of influence (type of laser, quality of encoders, stability of the tripod, measurement range and changes i[...]
18
80%
Geodeta : magazyn geoinformacyjny
2011 nr 6 50-53
19
80%
Geodeta : magazyn geoinformacyjny
2008 nr 1 39-43
20
80%
Archiwum Instytutu Inżynierii Lądowej / Politechnika Poznańska
2009 Nr 6 63-72
PL W artykule przedstawiono wyniki badania, którego celem była analiza porównawcza liczby drzew wyznaczonych automatycznie na podstawie danych lotniczego skanowania laserowego oraz rzeczywistej liczby drzew obliczonej na powierzchniach próbnych. Dane LIDAR pozyskano z użyciem skanera Optech ALTM 3100. [...]
EN Purpose of this investigation was a comparative analysis of tree number automatic delineated from LIDAR data with tree number obtained from terrestrial sample plot. Data were collected by Optech ALTM 3100 device. Different resolution canopy height models were examined, in range 0,3 to 1,0 m. In this[...]
first rewind previous Strona / 12 next fast forward last