Zobrazeno 1 - 10
of 44
pro vyhledávání: '"H. Hastedt"'
Publikováno v:
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XLIII-B2-2021, Pp 17-24 (2021)
For optical 3D measurements in close-range and UAV applications, the modelling of interior orientation is of superior importance in order to subsequently allow for high precision and accuracy in geometric 3D reconstruction. Nowadays, modern camera sy
Externí odkaz:
https://doaj.org/article/b81c0317eb164d818edf48fe447ef1d5
Publikováno v:
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XLIII-B1-2020, Pp 485-492 (2020)
Unmanned Aerial Vehicles (UAV) are enjoying increasing popularity in the photogrammetric community. The Chinese supplier DJI is the market leader with about 70% of the global consumer UAV market. The Phantom model has been available for more than 10
Externí odkaz:
https://doaj.org/article/5d74d9c72ed94a078944256ba9921711
Publikováno v:
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XLIII-B2-2020, Pp 791-796 (2020)
In the last few years, photogrammetric methods for 3D surface reconstruction at close range have increased significantly in importance. On the one hand, this is due to the increased performance of the systems and on the other hand to the improved qua
Externí odkaz:
https://doaj.org/article/5373a7a68b3949b1a085cbebf08942e4
Publikováno v:
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XLII-2-W11, Pp 753-761 (2019)
In September 2018, photogrammetric images and terrestrial laser scans were carried out as part of a measurement campaign for the three-dimensional recording of several historic churches in Tbilisi (Georgia). The aim was the complete spatial reconstru
Externí odkaz:
https://doaj.org/article/9244c5452d294b3687c4512ceb64d142
Publikováno v:
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XLII-2, Pp 267-274 (2018)
In dense stereo matching applications surface reflections may lead to incorrect measurements and blunders in the resulting point cloud. To overcome the problem of disturbing reflexions polarising filters can be mounted on the camera lens and light s
Externí odkaz:
https://doaj.org/article/a8b1680089d1473f961e514e5478bd07
Publikováno v:
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XLII-2, Pp 441-448 (2018)
Engineering applications require high-precision 3D measurement techniques for object sizes that vary between small volumes (2–3 m in each direction) and large volumes (around 20 x 20 x 1–10 m). The requested precision in object space
Externí odkaz:
https://doaj.org/article/f2b7a50bb93041659056d2e6fb1c17a5
Publikováno v:
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XLI-B1, Pp 851-859 (2016)
The application of light-weight cameras in UAV photogrammetry is required due to restrictions in payload. In general, consumer cameras with normal lens type are applied to a UAV system. The availability of action cameras, like the GoPro Hero4 Black,
Externí odkaz:
https://doaj.org/article/7700a0988fca4ca49938d9f66bb90c05
Autor:
H. Hastedt, T. Luhmann
Publikováno v:
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XL-1-W4, Pp 321-328 (2015)
With respect to the usual processing chain in UAV photogrammetry the consideration of the camera’s influencing factors on the accessible accuracy level is of high interest. In most applications consumer cameras are used due to their light weight. T
Externí odkaz:
https://doaj.org/article/85de8ff6bb8943fb9a42b6887a564a00
Publikováno v:
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XL-5/W5, Pp 117-122 (2015)
This paper deals with the development of a measuring procedure and an experimental set-up (stereo camera system in combination with a projecting line laser and a positioning unit) which are intended to detect the surface topography, particularly of w
Externí odkaz:
https://doaj.org/article/08dd10869e374d16be355729c01d9b4b
Publikováno v:
ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol II-5-W2, Pp 79-84 (2013)
This research project focuses on the development of an optical 3D measuring system that enables high accurate surface measurements of welding seams in order to detect impurities. The systems concept is based on a stereo camera system in conjunction
Externí odkaz:
https://doaj.org/article/808b78f7b9c9449ea79c9090e500e4d4