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ACCURACY ASSESSMENT OF 3D MODELS GENERATED FROM GOOGLE STREET VIEW IMAGERY
Spherical Photogrammetry Equi-rectangular Panoramas Accuracy
2019/3/1
Google Street View is a technology implemented in several Google services/applications (e.g. Google Maps, Google Earth) which provides the user, interested in viewing a particular location on the map,...
COMPARISON OF POINT CLOUD REGISTRATION ALGORITHMS FOR BETTER RESULT ASSESSMENT – TOWARDS AN OPEN-SOURCE SOLUTION
Registration Point clouds Comparison Evaluation Open-source Laser scanning Quality criteria
2018/6/4
Terrestrial and airborne laser scanning, photogrammetry and more generally 3D recording techniques are used in a wide range of applications. After recording several individual 3D datasets known in loc...
POPULATING A LIBRARY OF REUSABLE H-BOMS: ASSESSMENT OF A FEASIBLE IMAGE BASED MODELING WORKFLOW
Laser scanning H-BIM digital cultural heritage SfM Level of Accuracy semantic modeling
2017/8/31
The paper shows the intermediate results of a research activity aimed at populating a library of reusable Historical Building Object Models (H-BOMs) by testing a full digital workflow that takes advan...
Digital Terrain Models (DTM) are frequently used to make important decisions. In order to judge these decisions DTM quality must
be known. The quality of a DTM consists of several components like pre...
SUITABILITY ASSESSMENT OF GROUND LEVEL IMAGERY FOR GEOSPATIAL VR MODELING
Ground-level Imagery VR Modeling Suitability Ranking
2015/8/7
Improvements in sensor technology and modeling capabilities have resulted in a trend towards generating large-scale VR models of
urban scenes, for use in geospatial applications. Selecting the appro...
Processing lidar waveform data for 3D visual assessment of forest environments
Forestry Full Waveform Lidar 3D modelling Visual representation
2014/7/30
The objective of this report is to present and discuss a work-flow for extracting, from full-waveform (FW) lidar data, formats which are compatible with common information systems (GIS) and statistica...
Experimental Assessment of the Accuracy of an Advanced Photonic-Bandgap-Fiber Model
Accuracy Advanced Photonic-Bandgap-Fiber Model
2015/8/7
From scanning-electron microscope images of the cross section of a photonic-bandgap fiber (NKT Photonics’HC-1550-02) we developed a realistic model for its permittivity profile that includ...
THE FUSION OF INDIVIDUAL TREE DETECTION AND VISUAL INTERPRETATION IN ASSESSMENT OF FOREST VARIABLES FROM LASER POINT CLOUDS
Forest inventory plot-wise measurements individual tree detection
2014/6/5
In this study we searched the obtainable accuracy of forest inventory based on the individual tree detection (ITD) by using fusion of automatic ITD (ITDauto) and visual interpretation of laser point c...
THE ASSESSMENT OF THE ABSOLUTE PLANIMETRIC ACCURACY OF AIRBORNE LASERSCANNING
LIDAR Point Cloud DEM/DTM Quality Accuracy Statistics Specifications
2014/6/5
In acquisition and processing of Digital Elevation Models (DEMs) derived from airborne laser scanning (ALS) blunders and systematic errors occur. An assessment of the geometric quality of DEMs is nece...
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 ...
ACCURACY ASSESSMENT OF BUILDING MODELS CREATED FROM LASER SCANNING DATA
Architecture Modelling LIDAR TLS Accuracy Three-dimensional
2014/4/28
Recently, it can be observed a growing interest in 3D building or city models created from laser scanning data. These models are used in many areas of interest. In this work the accuracy assessment of...
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...
Use of Atomic Absorption Spectrometry in Assessment of Biomonitor Plants for Lead, Cadmium and Copper Pollution
Atomic absorption Lead Cadmium Coper Biomonitor plants Pollution
2012/4/12
Eleven plant species were collected from the vicinity of lead-battery plant in the city of Gaziantep, Turkey. Lead, cadmium and copper concentrations in the soil and leaves of plants were determined b...
Assessment of Capacity Upgrade Using 40Gbps DPSK Transmission in 10Gbps DWDM ROADM Networks
Assessment of Capacity Upgrade Using 40Gbps DPSK Transmission in 10Gbps DWDM ROADM Networks
2015/5/18
We present a detailed study for capacity upgrade using 40Gbps DPSK transmission in 10Gbps optimized 50GHz spaced DWDM ROADM systems. It was found that further optimizing the chromatic dispersion pre-c...
Performance Assessment of an Optimized Optical Supercomputer Interconnect Architecture
Optimized Optical Performance upercomputer Assessment
2015/5/18
We investigate the performance of an optimized optical supercomputer interconnect architecture using a minimum number of on-off gates. A 64×64 optical interconnection is demonstrated using 10 Gb/s IM/...