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Investigation of Measuring Accuracy of Forest Area by Means of Airborne Laser Scanner
airborne laser scanner sinks global warming tree height measurement measuring accuracy
2015/3/10
It is an important subject to accurately measure forests that serve as sinks since the global warming is taken up as a serious problem in recent years. Tree height and so on have so far been measured ...
TERRAIN MODELLING AND ANALYSIS USING LASER SCANNER DATA
airborne laser scanning digital terrain model ground surface modelling single tree detection laser data classification terrain database qualitative methods resolution pyramid
2015/3/10
Very detailed high-resolution (3D) digital terrain models can be obtained using airborne laser scanner data. However, laser scanning usually entails huge data sets even for moderate areas, making data...
The paper reports the workflow of 3D modelling and photorealistic texture mapping based on close range imagery acquired through a terrestrial laser scan and a camera mounted on a mini Unmanned Aerial ...
ASSESSING PATHOLOGIES ON VILLAMAYOR STONE (SALAMANCA, SPAIN) BY TERRESTRIAL LASER SCANNER INTENSITY DATA
Pathologies Cultural Heritage Villamayor Stone Terrestrial laser scanner Photogrammetry Single-lens reflex camera Remote sensing Supervised classification
2015/3/3
This paper deals with the assessing of pathologies in façades using a variety of intensity data provided by different terrestrial laser scanner. In particular, a complex building built in the Vil...
COMPARISON OF DIGITAL STAND SURFACE MODELS OF HRSC-A (HIGH RESOLUTION STEREO CAMERA -AIRBORNE)AND LASER SCANNER FOR FOREST STAND CHARACTERISTICS
Surface Model Stand Roughness Forest Inventory Tree Height Semivariogram Laser HRSC-A Dendrometer
2015/2/3
This work aims to assess differences between HRSC-A (High Resolution Stereo Scanner – Airborne) and TopoSys
laser generated tree heights and digital stand surface models. Individual tree heights in s...
HYPERSPECTRAL MIVIS SCANNER DATA INTEGRATED INTO A GIS FOR AN INDUSTRIAL AREA
MIVIS hyperspectral scanner classification risk assessment industrial area
2015/2/3
ISPESL is the National Institute for the control and monitoring of risks connected with the presence of industrial plants and activities. A project between ISPESL Institute and CISIG (Consortium among...
CALIBRATION AND TESTING OF A TERRESTRIAL LASER SCANNER
Laser scanning calibration deformation monitoring target reduction
2015/1/6
Terrestrial laser imaging systems offer a new means for rapid precise mapping of objects up to ranges of up to a few hundred metres from the instrument location. The high sampling frequency (e.g., sev...
EVALUATION OF THE ACCURACY OF A LASER SCANNER-BASED ROLL MAPPING SYSTEM
Laser Scanning Surface Mapping Industrial Metrology
2015/1/6
In industries where material must pass over one or more machine rolls, determining the shape and orientation of the rolls is an important element in quality control and failure prevention. This paper ...
A CASE STUDY ON THE LANDSLIDE BY THE 3D LASER MIRROR SCANNER
Hazard Landslides Laser/ Lidar Scanner Measurement High-resolution data/images Mapping
2015/1/6
Th topography surveying with 3D laser mirror scanner can provide the quick and detail data for creating the topographical maps during the disaster when the prompt resplendence is important. It is poss...
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...
APPROACHES TO THE FILTERING OF LASER SCANNER DATA
Laser scanning filtering DEM/DTM generation surface modelling
2014/12/31
Recently several papers have been published on the precision of Digital Terrain Models (DTM) which were produced by airborne laser-scanning. This precision is influenced by several factors, like navig...
IMPROVEMENT OF AUTOMATIC DSM GENERATION OVER URBAN AREAS USING AIRBORNE LASER SCANNER DATA
Data fusion Laser Photogrammetry Surface Reconstruction
2014/12/31
Airborne laser scanning has provided an efficient and accurate method of data acquisition for the determination of visible surface topography. The laser data can be quickly processed to provide coordi...
THREE-DIMENSIONAL CITY MODELING FROM LASER SCANNER DATA BY EXTRACTING BUILDING POLYGONS USING REGION SEGMENTATION METHOD
Laser/Lidar Urban objects DTM/DEM/DSM Modeling Buildings GIS Data acquisition
2014/12/31
We have developed a method to automatically generate a 3-D city model only from laser scanner data by applying region segmentation to the grid type data of digital surface model (DSM) obtained by the ...
INITIAL TESTING OF A METHOD TO GEOGRAPHICALLY REGISTER AIRBORNE SCANNER IMAGERY THROUGH PARAMETRIC MODELING WITH IMAGE-TO-IMAGE MATCHING
whiskbroom georeference orthophoto DEM numerical simulation
2014/12/31
This paper presents the results from initial testing of a new method for georeferencing airborne multispectral scanner imagery. The method is called "parametric modeling with image-to-image matching" ...
STRAIGHT LINES IN LINEAR ARRAY SCANNER IMAGERY
Linear Features Linear Array Scanners Aerial Triangulation
2014/12/29
Increased use of digital imagery has facilitated the opportunity to use features, in addition to points, in photogrammetric applications. Straight lines are often present in object space, and prior re...