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POLE-LIKE OBJECT EXTRACTION FROM MOBILE LIDAR DATA
LiDAR Point Clouds Local Roughness Graph Cuts based segmentation Pole-like object detection DBSCAN based point clustering
2016/7/5
Object detection and recognition from LiDAR (Light Detection And Ranging) data has been a research topic in the fields of photogrammetry and computer vision. Unlike point clouds collected in well-cont...
GEOMETRIC QUALITY ASSESSMENT OF LIDAR DATA BASED ON SWATH OVERLAP
Lidar Quality Geometry Relative Accuracy
2016/7/4
This paper provides guidelines on quantifying the relative horizontal and vertical errors observed between conjugate features in the overlapping regions of lidar data. The quantification of these erro...
BUILDING A CONSISTENT GEOMETRIC FRAME OVER SPARSE ISLANDS USING SPOT 5 DATA
Mapping DEM orthoimage Reference3D SPOT geometric accuracy
2016/1/3
Operating in panchromatic mode onboard SPOT 5, the HRS instrument has two telescopes, one pointing forward and one aft of the satellite. HRS is thus able to cover an area of 600 km x 120 km in a singl...
PRE-PROCESSING OF DUAL-VIEW FIGOS DATA:TOWARDS OPERATIONAL BRDF RETRIEVAL
Spectral Database Metadata Spectral Processing BRDF
2015/12/30
The Bidirectional Reflectance Distribution Function (BRDF) is an inherent property of natural and manmade materials. Its effects depend on the illumination/observation geometry and wavelengths and are...
GLACIER SURFACE SEGMENTATION USING AIRBORNE LASER SCANNING POINT CLOUD AND INTENSITY DATA
Airborne Laser scanning Point cloud Segmentation Classification Intensity Glaciology
2015/11/10
As glaciers are good indicators for the regional climate, most of them presently undergo dramatic changes due to climate change. Remote sensing techniques have been widely used to identify glacier sur...
ADAPTIVE FILTERING OF AERIAL LASER SCANNING DATA
LIDAR Classification Algorithms DEM/DTM Automation
2015/11/10
Filtering non-terrain points from raw laser scanning data is the most important goal to improve productivity in DTM generation.Filtering algorithms are built on assumptions about what discriminates te...
AUTOMATIC SEGMENTATION OF BUILDING FACADES USING TERRESTRIAL LASER DATA
TLS Point Cloud Three-dimensional Segmentation Algorithm Accuracy
2015/11/10
There is an increasing interest of the scientific community in the generation of 3D facade models from terrestrial laser scanner (TLS) data. The segmentation of building facades is one of the essentia...
APPLICATION ANALYZE OF GEOMETRIC RECTIFICATION BASED ON VECTOR DATA
Precision Error Geometric Rectification Spatial data Vector data
2015/8/10
Geometric rectification aims at eliminating the difference of geometric shape or position between some data and its reference data. In the practical application, geometric rectification used to proces...
AUTOMATING THE CHECKING AND CORRECTING OF DEMs WITHOUT REFERENCE DATA.
Automation correction quality orthorectification DEM/DTM reference data algorithms geometric
2015/6/1
The need for Digital Elevation Model (DEM) checking has raised since the automated matching techniques emerged. The use of reference data is a luxury and therefore cannot be used in all cases. This ar...
UPDATION AND POSITIONAL ACCURACY IMPROVEMENT OF GEO SPATIAL DATA-INNOVATIONS AT KAMPSAX INDIA PRIVATE LIMITED
PAI New mapping Updation Transformations Geometric fidelity
2015/6/1
Kampsax India Private Limited (KIL) is engaged in the production of very large mapping projects from all over the world though mainly from Europe and Latin America with over 35 digital Photogrammetric...
GEOMETRIC REGISTRATION AND CLASSIFICATION OF HYPERSPECTRAL AIRBORNE PUSHBROOM DATA
Mathematical models Orientation Hyperspectral Image registration Remote sensing Multispectral Classificationa
2015/2/3
Innovative geometric modeling techniques involving stochastic constraints and linear feature exploitation have been demonstrated to yield good results in the rectification of hyperspectral airborne pu...
GEOMETRIC CORRECTION OF AIRBORNE WHISKBROOM SCANNER IMAGERY USING HYBRID AUXILIARY DATA
Airborne Scanner Geometry Geometric Correction Multispectral Orthoimage Rectification
2014/12/31
This paper proposes the main aspects that must be considered for the development of a general concept for the geometric correction of airborne whiskbroom scanner imagery making use of hybrid auxiliary...