نتایج جستجو برای: based photogrammetric system ocbps2
تعداد نتایج: 4501394 فیلتر نتایج به سال:
This work describes the use of genetic algorithms for automating the photogrammetric network design process. When planning a photogrammetric network, the cameras should be placed in order to satisfy a set of interrelated and competing constraints. Furthermore, when the object is three-dimensional a combinatorial problem occurs. Genetic algorithms are stochastic optimization techniques, which ha...
Consumer-grade digital cameras suffer from geometrical instability that may cause problems when used in photogrammetric applications. This paper provides a comprehensive review of this issue of interior orientation parameter variation over time, it explains the common ways used for coping with the issue, and describes the existing methods for performing stability analysis for a single camera. T...
a phase-locked loop (pll) based frequency synthesizer is an important circuit that is used in many applications, especially in communication systems such as ethernet receivers, disk drive read/write channels, digital mobile receivers, high-speed memory interfaces, system clock recovery and wireless communication system. other than requiring good signal purity such as low phase noise and low spu...
This work describes the use of genetic algorithms for automating the photogrammetric network design process. When planning a photogrammetric network, the cameras should be placed in order to satisfjr a set of interrelated and competing constraints. Furthermore, when the object is threedimensional, a combinatorial problem occurs. Genetic algorithms are stochastic optimization techniques, which h...
implicit and unobserved errors and vulnerabilities issues usually arise in cryptographic protocols and especially in authentication protocols. this may enable an attacker to make serious damages to the desired system, such as having the access to or changing secret documents, interfering in bank transactions, having access to users’ accounts, or may be having the control all over the syste...
One of the important stages in the implementation of a GIS is referred to preparation of data to be entered to the system. To produce spatial data for entering to GIS using photogrammetric techniques, common and current method is to utilize photogrammetric and GIS systems individually (off-line procedure). Preparing spatial data on the basis of the mentioned method has a lot of problems, such a...
The paper presents the current state of the ARPENTEUR project (ARchitectural PhotogrammEtry Network Tool for EdUcation and Research), and principally the new photogrammetric module, the 3D measuring and modelling module including an automatic DSM densification tool and the formalization of photogrammetric data in XML. This JAVA based package has been proposed as a WEB tool since 1998. It is now...
The transition from film imaging to digital imaging in photogrammetric data capture is opening interesting possibilities for photogrammetric processes. A great advantage of digital sensors is their radiometric potential. This article presents a state-of-the-art review on the radiometric aspects of digital photogrammetric images. The analysis is based on a literature research and a questionnaire...
Various versions of LIDAR scanners (satellite-borne, airborne, and terrestrial) are perceived as fast and reliable technologies for direct acquisition of spatial data about the objects of interest. Compared to other measurement methods (e.g., photogrammetric manipulation of imagery), the equipment used for such scanners is still multi-part, bulky, and expensive. Moreover, ground-based LIDAR sca...
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