[PDF] Top 20 isprsarchives XXXVIII 1 C22 143 2011

... The autonomous helicopter is based on a COTS RC helicopter (Vario Benzin Trainer). The main criteria for choosing the RC he- licopter have been: (1) proven reliability with a specified payload capacity of at least ... Lihat dokumen lengkap

... UAS and SERA have many common aspects which could lead to more universal instrumentation for both, which then could even be used in joint campaigns where in some regions of 4-d (small scale <1 km, night-time, ... Lihat dokumen lengkap

... Photomodeler Scan 2011 (Photomodeler, 2011) was the chosen software to photogrammetric processes. It is a low-cost multi- application software which can be used with both, convergent and parallel ... Lihat dokumen lengkap

... april 2011, General Cartwright explained the benefits of unmanned, armed UAS: “…their ability to get down lower, therefore to able to get better visibility on particularly targets now that have started to dig ... Lihat dokumen lengkap

... Wilson a a University of Alaska Fairbanks, 3352 College Rd, Fairbanks Alaska 99709 kwcunningham, gregory.walker, [email protected] b Tanana Chiefs Conference - Cadastral Surve[r] ... Lihat dokumen lengkap

... The cloud of points generated in the calibration step consists only of keypoints that were successfully matched and verified along multiple images. There are potentially many more matches which can be verified, producing ... Lihat dokumen lengkap

... 2.1 Hemispheric flight pattern for BRDF-Measurements In order to determine the anisotropy of a given surface a complex flight pattern for the UAV was developed. The hemispheric flight pattern is based on the idea, that ... Lihat dokumen lengkap

... The on-board computer has been installed with a customized Ubuntu Linux operating system. Furthermore, we have utilized a Robot Operating System (ROS, www.ros.org) running on top of Linux OS for the sake of performing ... Lihat dokumen lengkap

... 12 check points were used to assess the 3D positional accuracy of points estimated through the bundle adjustment. The points were spread throughout the image, as seen in Figure 6. The mapping coordinates of the points ... Lihat dokumen lengkap

... to 1 for each object’s feature values with regard to the object’s ...Table 1 tabulates all parameters used in the developed algorithm including the accuracy assessment results and some statistics of the ... Lihat dokumen lengkap

... ing placed a known distance apart and being triggered simul- taneously. The accuracy of stereo vision models is dependent upon the baseline-object distance ratio (Figure 1(a)). If the ob- ject distance is too ... Lihat dokumen lengkap

... In the Fire-Fly project two crisis management systems are involved, Eagle (Neuvel, 2009) from Geodan based on ArcGIS and CCS-M developed by Nieuwland (Nieuwland, 2011). Both systems were extended with a separate ... Lihat dokumen lengkap

... To increase the processing power and for an easier programming the ILR currently develops a new, autopilot system for unmanned aerial systems. The system consists of a Main Computing Unit (MCU) and the Main Sensor Unit ... Lihat dokumen lengkap

... The platform is characterized by a traditional configuration: fixed wing glider airplane, rear-mounted horizontal and vertical stabilizers but driven by a pusher, electric motor, placed on the top of the fuselage to ... Lihat dokumen lengkap

... There are many scale and rotation invariant feature extraction algorithms for image matching that have been proposed such as: Scale invariant Feature Transformation (SIFT) (Lowe, 2004), and Speeded up robust features ... Lihat dokumen lengkap

... 5 THREE-DIMENSIONAL BUILDING RECONSTRUCTION This section provides an overview over the processing chain used by this work to estimate a three-dimensional building model from previously [r] ... Lihat dokumen lengkap

... Helicopters used in the survey of ancient buildings can be automatically or semi-automatically navigated, that is, they only need to have automatic hovering functions. In addition, the requirements on flight attitude ... Lihat dokumen lengkap

... The most important of the UMAT Operational Capability Level is UMAT (OCL1). Modifying the UMAT Green Aircraft using the payload cassette concept shall facilitate an accelerated process to rapidly introduce any variable ... Lihat dokumen lengkap

... Several university studies in geodesy focus on the approach of high-accuracy positioning by means of single frequency receivers for static applications [e.g. GLABSCH et. al. 2009, SCHWIEGER and GLÄSER 2005, ALKAN 2010, ... Lihat dokumen lengkap

... Notice also from Figure 7 that the error using the WCC is 7.5 m while employing the NWCC this error is highly affected by cross- wind diverting almost 13 m from the path. In order to compare the performance of the two ... Lihat dokumen lengkap