搜索结果: 1-15 共查到“光学工程 performance”相关记录104条 . 查询时间(0.125 秒)
A COMPARATIVE STUDY AMONG THREE REGISTRATION ALGORITHMS: PERFORMANCE, QUALITY ASSURANCE AND ACCURACY
Accuracy Automation Least Squares Registration'Terrestrial Laser Scanning
2019/3/4
A critical task in every terrestrial laser scanning project is the transformation (addressed to as registration or alignment) of multiple point clouds into a common reference system. Even though this ...
COMPARING THE PERFORMANCE OF POINT CLOUD REGISTRATION METHODS FOR LANDSLIDE MONITORING USING MOBILE LASER SCANNING DATA
point clouds, registration methods landslide monitoring mobile laser scanning deviation maps
2018/11/8
The aim of the research is to evaluate the performance of the point cloud registration methods using mobile laser scanning data. The point cloud registration methods involved in this research are matc...
INVESTIGATION OF GEOMETRIC PERFORMANCE OF AN INDOOR MOBILE MAPPING SYSTEM
Mobile Laser Scanning Evaluation Viametris iMS3D Point Cloud Indoor Modeling
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...
2017SPIE光学建模与性能预测专题会议（Optical Modeling and Performance Predictions IX）
2017 SPIE 光学建模与性能预测 专题会议
2017/4/25
2017SPIE光学建模与性能预测专题会议（Optical Modeling and Performance Predictions IX）。
performance analysis of altm3100ea system:instrument specifications and accuracy of lidar data
LiDAR laser scanning DEM/DTM accuracy performance
2015/9/1
Over the last decade the number of airborne lidar systems currently deployed and operating in the field has grown impressively.This growth has intensified the level of competition among lidar equipmen...
Performance of parameter-domain and spatial-domain pole-like feature segmentation using single and multiple terrestrial laser scans
Terrestrial Laser Scanning Segmentation Registration Parameter-domain Spatial-domain
2014/7/30
Terrestrial laser scanning (TLS) systems have been established as a leading tool for the acquisition of high density three-dimensional point clouds from physical objects. The collected point clouds by...
Ultrabroadband Photonic Structures To Achieve High-Performance Daytime Radiative Cooling
Radiative cooling thermal radiation broadband solar mirror phonon-polariton selective emission
2015/8/7
If properly designed, terrestrial structures can passively cool themselves through radiative emission of heat to outer space. For the first time, we present a metal-dielectric photonic structure...
Uniform Self-Forming Metallic Network as a High-Performance Transparent Conductive Electrode
crack template patterning touch-screen displays transparent conductive electrode
2016/12/2
Materials with simultaneous high electrical conductivity and optical transmittance are essential for various optoelectronic devices, such as touch-screen displays,[1–4] solar cells,[2,5–7] and organic...
PERFORMANCE ANALYSIS OF A POLE AND TREE TRUNK DETECTION METHOD FOR MOBILE LASER SCANNING DATA
mobile laser scanning feature extraction pole tree
2014/6/5
Dense point clouds can be collected efficiently from large areas using mobile laser scanning (MLS) technology. Accurate MLS data can be used for detailed 3D modelling of the road surface and objects a...
PERFORMANCE ASSESSMENT OF FULLY AUTOMATIC THREE-DIMENSIONAL CITY MODEL RECONSTRUCTION METHODS
Building Modelling City DSM/DTM
2014/4/28
Three-dimensional urban region representations can be used for detailed urban monitoring, change and damage detection purposes. In order to obtain three-dimensional representation, one of the easiest ...
Comparative Assessment on the Performance of Open-Loop and Closed-Loop IFOGs
Feedback Erbium-Doped Fiber Amplifier FOG (FE-FOG) Erbium-Doped Fiber Amplifier (EFDA) Digital Signal Processing PSCAD FIR Digital Filters Interferometric Fiber Optic Gyro (IFOG) Sagnac Shift
2013/1/30
In this paper, we evaluated comprehensively the structure and operation of open-loop interferometric optical fiber gyroscopes (IFOG). To complete the previous works, a digital approach to derive the r...
A volumetric optical disk that has multiple transparent films with optical switching layers is used as a recording medium to increase the number of recording layers. In the disk the optical switching ...
Nanostructured photon management for high performance solar cells
Solar cell Light trapping Nanocone Nanowire
2015/8/10
Advanced photon management, involving both absorption enhancement and reflection reduction, is critical to all photovoltaic devices. Here we discuss a novel solar cell structure with an efᤙ...
High Performance Ge/Si Avalanche Photodiodes Development in Intel
Photodetectors Optical communications
2015/5/26
Ge/Si avalanche photodiodes with record high gain-bandwidth and sensitivity for communication wavelength and high data rate, 10Gbps and 40Gbps, is demonstrated. These devices can be monolithically int...
Performance of Optical Fast-OFDM in MMF-Based Links
Fiber optics communications Modulation
2015/5/26
19.375Gb/s optical Fast-OFDM signals can be transmitted over 500m worst-case MMF DML-based links having 3-dB effective bandwidths of 150MHz.km. This performance is similar to that corresponding to a c...