搜索结果: 1-11 共查到“光学工程 Indoor”相关记录11条 . 查询时间(0.156 秒)
FROM POINT CLOUDS TO 3D ISOVISTS IN INDOOR ENVIRONMENTS
Visibility graphs Path complexity Spatial analysis
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2018/11/9
Visibility is a common measure to describe the spatial properties of an environment related to the spatial behaviour. Isovists represent the space that can be seen from one observation point, and they...
INDOOR SPATIAL DATA CONSTRUCTION FROM TRIANGLE MESH
TriangleMesh Mesh Simplification Solid Indoor Space Indoor Data IndoorGML
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2018/11/8
The 3D triangle mesh is widely used to represent indoor space. One of widely used methods of generating 3D triangle mesh data of indoor space is the construction from the point cloud collected using L...
INVESTIGATION OF GEOMETRIC PERFORMANCE OF AN INDOOR MOBILE MAPPING SYSTEM
Mobile Laser Scanning Evaluation Viametris iMS3D Point Cloud Indoor Modeling
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2018/6/4
Up-to-date and reliable 3D information of indoor environments is a prerequisite for many location- based services. One possibility to capture the necessary 3D data is to make use of Mobile Mapping Sys...
FIRST EXPERIENCES WITH A MOBILE PLATFORM FOR FLEXIBLE 3D MODEL ACQUISITION IN INDOOR AND OUTDOOR ENVIRONMENTS – THE WAGELE
3D modeling registration omnidirectional vision laser range scanner
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2015/8/7
Efficient and comfortable acquisition of large 3D scenes is an important topic for many current and future applications
like cultural heritage, web applications and 3DTV and therefore it is a h...
Indoor Modelling Benchmark for 3D Geometry Extraction
Indoor 3D Modelling Benchmark Terrestrial Laser Scanning Segmentation Reconstruction
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2014/7/30
A combination of faster, cheaper and more accurate hardware, more sophisticated software, and greater industry acceptance have all laid the foundations for an increased desire for accurate 3D parametr...
3D Modelling of Interior Spaces: Learning the Language of Indoor Architecture
Indoor modelling Point cloud Shape grammar Automation Semantics Building Information Model (BIM)
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2014/7/30
3D models of indoor environments are important in many applications, but they usually exist only for newly constructed buildings. Automated approaches to modelling indoor environments from imagery and...
High Speed 4×12.5Gbps WDM Optical Wireless Communication Systems for Indoor Applications
WDM Optical Wireless Communication Systems Indoor Applications
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2015/5/18
A novel high-speed optical wireless communication system incorporating WDM technology for indoor personal area networking applications is proposed and demonstrated. A 4×12.5Gbps mobile communication l...
A High-Speed Visible Light Indoor Network Employing a Short Pulse Modulation and a QPM-LN Module
High-Speed Visible Light Indoor Network Short Pulse Modulation QPM-LN Module
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2015/5/18
We propose the concept of over-gigabit visible light indoor networks using λ-conversion achieved by combining a short pulse modulator with a QPM-LN module. Error free operation at 1.25 Gb/s is confirm...
Friction Property and Mechanism of Indoor Optical Fiber Cable and Optimization for Access Network to MDUs
Equipment techniques Fiber materials
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2015/6/5
We studied the cable friction and found that it depends on polymer sheath stiffness and lubricants. Optimization should prevent stick-slip motion and reduce the friction by controlling the polymer sti...
Simultaneous Transmission of 256-QAM WIMAX at 5.7GHz and Optically Generated Impulse Radio UWB over Fiber for Indoor Wireless Multi-Services
Radio frequency photonics Optical communications
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2015/6/4
Fiber transmission of simultaneous optically generated FCC compliant 625Mbps impulse radio UWB and 80Mbps 256-QAM IEEE 802.16 WIMAX signals is experimentally demonstrated by using a single directly mo...
Feasibility Study of Integrated Optical Phased Arrays for Indoor Gb/s Wireless Optical Links
Integrated Optical Phased Arrays Indoor Gb/s Wireless Optical Links
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2015/7/17
Link budget calculations are performed to study the potential of integrated optical phased arrays for Gb/s wireless links. A link with two integrated OPAs is feasible with a beam steering range of a f...