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METHODS FROM INFORMATION EXTRACTION FROM LIDAR INTENSITY DATA AND MULTISPECTRAL LIDAR TECHNOLOGY
Classification Information Extraction LiDAR Intensity Multispectral LiDAR
2018/5/15
LiDAR is a consolidated technology for topographic mapping and 3D reconstruction, which is implemented in several platforms On the other hand, the exploitation of the geometric information has been co...
OPTIMAL INFORMATION EXTRACTION OF LASER SCANNING DATASET BY SCALE-ADAPTIVE REDUCTION
Multi-scale Surface variation Radial basis function Just-Noticeable-Difference Degradation
2018/5/16
3D laser technology is widely used to collocate the surface information of object. For various applications, we need to extract a good perceptual quality point cloud from the scanned points. To solve ...
2D-3D feature extraction and registration of real world scenes
Cultural Heritage Photogrammetry Laser Scanner Segmentation Registration Texture Mapping
2015/8/24
In this paper we present an efficient edge detection algorithm for the extraction of linear features in both range and intensity image data. The purpose is to simplify the dense datasets and to provid...
Automated Extraction of 3D Trees from Mobile LiDAR Point Clouds
Mobile LiDAR Tree Extraction Shape Context Segmentation Point Cloud
2014/7/30
This paper presents an automated algorithm for extracting 3D trees directly from 3D mobile light detection and ranging (LiDAR) data. To reduce both computational and spatial complexities, ground point...
Indoor Modelling Benchmark for 3D Geometry Extraction
Indoor 3D Modelling Benchmark Terrestrial Laser Scanning Segmentation Reconstruction
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...
Interactive Trunk Extraction from Forest Point Cloud
Terrestrial Laser Scanning Forest, User-Interaction
2014/7/30
For forest management or monitoring, it is required to constantly measure several parameters of each tree, such as height, diameter at breast height, and trunk volume. Terrestrial laser scanner has be...
Semi-automatic extraction of sectional view from point clouds – The case of Ottmarsheim's abbey-church
Cultural heritage terrestrial laser scanning automation extraction reconstruction assessment
2014/7/30
Today, elevations or sectional views of buildings are often produced from terrestrial laser scanning. However, due to the amount of data to process and because usually 2D maps are required by customer...
Enhancing far-field thermal emission with thermal extraction
Enhancing thermal emission thermal extraction
2015/8/7
The control of thermal radiation is of great current importance for applications such as energy conversions and radiative cooling. Here we show theoretically that the thermal emission of a finit...
Enhancement in Light Extraction Efficiency of GaN-Based Light-Emitting Diodes Using Double Dielectric Surface Passivation
GaN Light-Emitting Diode (LED) Al2O3 PEALD Passivation Double Dielectric Stack Layer
2013/1/30
SiO2Al2O3 double dielectric stack layer was deposited on the surface of the GaN-based light-emitting diode (LED). The double dielectric stack layer enhances both the electrical characteristics and the...
AUTOMATIC EXTRACTION OF ROCK JOINTS FROM LASER SCANNED DATA BY MOVING LEAST SQUARES METHOD AND FUZZY K-MEANS CLUSTERING
terrestrial laser scanning rock joint orientation moving least squares fuzzy K-means clustering
2014/6/5
Recent development of laser scanning device increased the capability of representing rock outcrop in a very high resolution. Accurate 3D point cloud model with rock joint information can help geologis...
TOPOLOGY EXTRACTION USING DEPTH FIRST SEARCH ON VOXEL REPRESENTATIONS OF TREE POINT CLOUDS
Forestry Terrestrial Laser Scanning Point Cloud Forest Inventory Topology Extraction
2014/6/5
The three-dimensional reconstruction of the vegetation structure is a requirement for the analysis of interaction between biosphere and atmosphere. Information about the 3D structure of plants enables...
Modeling of light extraction efficiency of scattering thin film using Mie scattering
organic light emitting diode light outcoupling Mie scattering
2011/5/5
Significant amount of emitted light from an organic light emitting diode (OLED) is trapped as
a result of total internal reflection (TIR) on a glass–air interface. One of the strategies to increase
...
Further enhancement of light extraction efficiency of light-emitting diode with Ag film grown on photonic crystals
photonic crystal photonic bandgap light-emitting diode surface plasmon transmission
2011/5/5
Photonic bandgap of photonic crystals (PCs) and the effect of grating diffraction can be used to
improve the extraction efficiency of the light from a light-emitting diode (LED). The transmission
of...
Optical Arbitrary Waveform Generation Based Optical-Label Switching Transmitter with All-Optical Label Extraction
Fiber communications All-optical networks
2015/6/8
This paper introduces a modulation-format transparent optical-label switching transmitter based on optical arbitrary waveform generation. Packets consisting of 100 Gb/s payloads with 40 Gb/s labels an...
Power Penalty Measurement and Frequency Chirp Extraction in Silicon Microdisk Resonator Modulators
Integrated Optical Devices Modulators Resonators
2015/6/5
We demonstrate 5Gbs and10Gbs error free operation of silicon photonic microdisk resonant modulators to a distance of 70km, measure dispersion power penalties and compare the experimental results with ...