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COMPARISON WITH ACCURACY OF TERRESTRIAL LASER SCANNER BY USING POINT CLOUD ALIGNED WITH SHAPE MATCHING AND BEST FITTING METHODS
laser scanning time of flight phase shift shape matching natural distributions Ostia
2019/3/4
Recently operation systems of laser scanning have been obviously improved; for instance shape matching has been equipped with software on a post processing stage so measurement without any targets is ...
AUTOMATIC MATCHING OF LARGE SCALE IMAGES AND TERRESTRIAL LIDAR BASED ON APP SYNERGY OF MOBILE PHONE
Mobile phone APP Images Laser Point Cloud Matching
2018/4/30
The digitalization of Cultural Heritage based on ground laser scanning technology has been widely applied. High-precision scanning and high-resolution photography of cultural relics are the main metho...
matching topographic surfaces by retrieving and modeling 3d discrepancies. application to lidar data and photogrammetric surfaces
Lidar 3D registration robust estimation matching data fusion DSM
2015/9/1
If photogrammetry has been used for a long time to describe the topography, airborne laser systems are nowadays well-known to provide an accurate representation of terrestrial landscapes through irreg...
HIGH QUALITY DEMS FOR GLACIER MONITORING –IMAGE MATCHING VERSUS LASER SCANNING
Glaciology Matching Laser Scanning DEM/DTM Comparison
2015/7/29
Glacier monitoring is of great importance since glaciers are influencing essential areas of life like water supply, energy production,
flood protection and tourism. Furthermore, the variation of gla...
APPLYING 3D AFFINE TRANSFORMATION AND LEAST SQUARES MATCHING FOR AIRBORNE LASER SCANNING STRIPS ADJUSTMENT WITHOUT GNSS/IMU TRAJECTORY DATA
Airborne Laser Scanning adjustment LIDAR georeferencing quality control
2012/9/3
In this article we extend our previous work on the topic of ALS strip adjustment without GNSS/IMU trajectory data. Between overlap- ping strip pairs the relative orientation as a 3D affine trans...
Tunable DWDM XFP with an External Cavity Laser Transmitter and Transmission Performance Matching 300-Pin Transponders
Diode lasers Fiber optics sources detectors
2010/6/8
A full C-Band tunable 10G DWDM XFP using external cavity laser (ECL)technology is presented. Using this approach, we demonstrate performance on par with traditional 300-pin transponders, enabling the ...
High-Efficiency Intracavity Continuous-Wave Green-Light Generation by Quasiphase Matching in a Bulk Periodically Poled MgO:LiNbO3 Crystal
Quasiphase Matching LiNbO3 Crystal
2008/10/31
908 mW of green light at 532 nm were generated by intracavity quasiphase matching in a bulk periodically poled MgO:LiNbO3 (PPMgLN) crystal. A maximum optical-to-optical conversion efficien...