Zobrazeno 1 - 9
of 9
pro vyhledávání: '"G. J. Grenzdörffer"'
Autor:
M. Arbeiter, G. J. Grenzdörffer
Publikováno v:
ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol V-2-2020, Pp 329-334 (2020)
In order to get accurate information about the volume of a partly filled bin of packaging waste a dedicated smartphone app was developed. The main functions of the app are to collect sets of images, which are sent to an external server (cloud) for au
Externí odkaz:
https://doaj.org/article/332040c4826041a389cf25c025ca3203
Autor:
G. J. Grenzdörffer
Publikováno v:
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XLII-2-W13, Pp 329-335 (2019)
Multitemporal drone surveys are a perfect tool to determine various geometric and spectral crop parameters for rapid phenotyping in field trials. Depending on the geometric resolution and the size of the crop, information at leaf level or canopy leve
Externí odkaz:
https://doaj.org/article/c684f6f6dfcf4e0ea8b8094fe9787189
Autor:
G. J. Grenzdörffer, M. Naumann
Publikováno v:
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XLI-B1, Pp 843-850 (2016)
UAS become a very valuable tool for coastal morphology. Not only for mapping but also for change detection and a better understanding of processes along and across the shore. This contribution investigates the possibilities of UAS to determine the wa
Externí odkaz:
https://doaj.org/article/8cac8de839d8496aa2647b2d68e89ffd
Autor:
S. Mader, G. J. Grenzdörffer
Publikováno v:
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XLI-B7, Pp 299-303 (2016)
Great efforts are presently taken in the scientific community to develop computerized and (fully) automated image processing methods allowing for an efficient and automatic monitoring of sea birds and marine mammals in ever-growing amounts of aerial
Externí odkaz:
https://doaj.org/article/d901c6d7058443f499f49f1dae2d301a
Publikováno v:
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XL-1-W4, Pp 91-96 (2015)
In this contribution the possibility to combine terrestrial laser scanner (TLS) measurements and UAS photogrammetry for the detailed description and high quality surveying of a cultural monument will be illustrated by the example of the Cathedral of
Externí odkaz:
https://doaj.org/article/448e0e6596404bb1bb27c49f4cbb23e2
Autor:
G. J. Grenzdörffer
Publikováno v:
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XL-1, Pp 135-140 (2014)
The accurate determination of the height of agricultural crops helps to predict yield, biomass etc. These relationships are of great importance not only for crop production but also in grassland management, because the available biomass and food qual
Externí odkaz:
https://doaj.org/article/47fdc8fadcf04fa699f2e0bbda678589
Autor:
G. J. Grenzdörffer
Publikováno v:
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XL-1-W2, Pp 169-174 (2013)
The standard procedure to count birds is a manual one. However a manual bird count is a time consuming and cumbersome process, requiring several people going from nest to nest counting the birds and the clutches. High resolution imagery, generated w
Externí odkaz:
https://doaj.org/article/a14b7195be444d09a7e2c12f8d4b69f3
Autor:
G. J. Grenzdörffer, F. Niemeyer
Publikováno v:
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XXXVIII-1/C22, Pp 229-234 (2012)
BRDF is a common problem in remote sensing and also in oblique photogrammetry. Common approaches of BRDF-measurement with a field goniometer are costly and rather cumbersome. UAVs may offer an interesting alternative by using a special flight pattern
Externí odkaz:
https://doaj.org/article/4931b306772847cc98a51ca02bc15def