نتایج جستجو برای: based photogrammetric system ocbps2

تعداد نتایج: 4501394  

2012
Bertrand Cannelle Nicolas Paparoditis Marc Pierrot-Deseilligny Jean-Pierre Papelard

This paper presents two methods to calibrate a photogrammetric-based mobile mapping system. The paper is organised as follow. The first part presents the problem we are trying to solve, i.e. the calibration of multi-camera head on a mobile mapping system equipped with an Inertial Navigation System (INS). We want to estimate on the one hand the relative pose of images within the head and on the ...

2012
K. N. Tahar

This paper looks into the latest achievement in the low-cost Unmanned Aerial Vehicle (UAV) technology in their capacity to map the semi-development areas. The objectives of this study are to establish a new methodology or a new algorithm in image registration during interior orientation process and to determine the accuracy of the photogrammetric products by using UAV images. Recently, UAV tech...

2008
Yongjun Zhang

Low altitude aerial image sequences have the advantages of high overlap, multi viewing and very high ground resolution. These kinds of images can be used in various applications that need high precision or fine texture. This paper mainly focuses on the photogrammetric processing of low altitude image sequences acquired by unmanned airship, which automatically flies according to the predefined f...

2002
Farhad Samadzadegan Ali Azizi

Standard digital stereo photogrammetric systems are mainly designed to accomplish specific tasks and hence they may be regarded as problem oriented systems. However, for the solution of variety of conventional and non-conventional problems in computer vision and photogrammetry a vision based tool box may offer a great flexibility and adaptability for handling different tasks. In this paper the ...

2003
Jon P. Mills Simon J. Buckley

Digital elevation models (DEMs) produced from photogrammetric data sources have long relied on the use of ground control points to give them scale and orientation. However, in areas such as coastlines, landslides, or glaciers, where identification of suitable natural features and pre-marking is difficult, the use of conventional ground control may be unfeasible. This paper reports on research t...

2004
M. Cramer

Dealing with digital airborne photogrammetric data acquisition today’s main focus is quite often exclusively laid on the large format digital sensor systems like ADS40 (Leica Geosystems), DMC (ZI-Imaging) and UltracamD (Vexcel Austria) which are already used in practice now. Their advantages are well known, nonetheless, for smaller area projects the use of such large format systems might be ine...

2001
G. Tucci G. Guidi D. Ostuni F. Costantino M. Pieraccini

The deployment of 3D optical scanning technologies for measuring three-dimensional shapes of sculptures of high morphological complexity, have seen recently a development so noticeable that it emerges as one of the most promising methods for the analysis and preservation of the Cultural Heritage. In spite of an undoubted richness of information produced with this technique, the method for gener...

2010
Ayman F. Habib Chang-Jae Kim

Photogrammetric mapping has moved from its classical objective, which is the process of reconstructing objects from analog frame cameras to more contemporary objectives such as automatic generation of spatial and descriptive information from digital imagery. The advent of Very High Resolution (VHR) imaging satellites opens new challenges and potentialities to geo-spatial mapping community, espe...

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