搜索结果: 1-15 共查到“理学 Laser scanning”相关记录26条 . 查询时间(0.08 秒)
CHARACTERISATION OF INTENSITY VALUES ON TERRESTRIAL LASER SCANNING FOR RECORDING ENHANCEMENT
Terrestrial Laser Scanning (TLS) Calibration Colour CIE colour spaces Documentation Archaeology Rock Art
2017/8/30
Mapping surveys based on terrestrial laser scanning (TLS) are common nowadays for different purposes such as documentation of cultural heritage assets. The chance to extract relevant information from ...
Laser Scanning 2017 is the latest of a series of ten ISPRS workshops covering various aspects of space-borne, airborne, mobile and terrestrial laser scanning in both indoor and outdoor environments. T...
A STUDY ABOUT TERRESTRIAL LASER SCANNING FOR RECONSTRUCTION OF PRECAST CONCRETE TO SUPPORT QLASSIC ASSESSMENT
Terrestrial Laser Scanning QLASSIC Accuracy 3D Modelling
2016/10/14
Nowadays, terrestrial laser scanning shows the potential to improve construction productivity by measuring the objects changes using real-time applications. This paper presents the process of implemen...
ORIENTATION AND PROCESSING OF AIRBORNE LASER SCANNING DATA (OPALS) - CONCEPT AND FIRST RESULTS OF A COMPREHENSIVE ALS SOFTWARE
LIDAR ALS processing software automatic workfl ow data administration
2016/2/29
Since the mid-1990s, the Institute of Photogrammetry and Remote Sensing (I.P.F.) is engaged in Airborne Laser Scanning (ALS) in
research and development. Scientific contributions have been made...
Effects of surface irregularities on intensity data from laser scanning: an experimental approach
Terrestrial Laser Scanner Intensity Incidence Angle
2015/9/1
The results of an experiment carried out with the aim to investigate the role of surface irregularities on the intensity data provided by a terrestrial laser scanner (TLS) survey are reported here. De...
Surface roughness of pyroclastic deposits at Mt. Etna by 3D laser scanning
surface roughness pyroclastic deposits Laser 3D
2015/9/1
The terrestrial 3D Laser Scanning technique has been applied to analyse the surface roughness of pyroclastic deposits on volcanic surfaces at Mt. Etna. This technique allowed the construction of high ...
Value Added Benefits of High Definition Surveying (Laser Scanning) in Contrast to In-Situ Surveying for Erosion of Hydrological Waterways
Laser Scanning waterway surveying
2015/8/14
The purpose of this paper is to depict and illustrate the benefits of High DefinitionSurveying (HDS) also known as 3-dimensional laser scanning, in contrast to traditional surveying methods, such as R...
A MORPHOLOGICAL RECONSTRUCTION ALGORITHM FOR SEPARATING OFF-TERRAIN POINTS FROM TERRAIN POINTS IN LASER SCANNING DATA
LIDAR morphological reconstruction terrain points off-terrain points DTM
2015/8/13
During the last decade various techniques have been proposed to extract the ground surface from airborne LIDAR data. The basic
problem is the separation of terrain points from off-terrain points whi...
MAINTAINING MOMENTUM IN TERRESTRIAL LASER SCANNING: A UK CASE STUDY
Archiving Cultural Heritage Management
2015/8/13
Terrestrial laser scanning has been rapidly adopted around the world as a tool for capturing three-dimensional survey data in
a variety of applications. This rapid take up continues, but clients, and...
ON THE USE OF AIRBORNE LASER SCANNING DATA TO VERIFY AND ENRICH ROAD NETWORK FEATURES
LIDAR Surface Parameter Extraction Detection
2015/8/13
High-resolution digital terrain models (DTM) provide accurate descriptions of our surrounding with respect to its 2.5D shape.
Besides that existing cartographic databases provide detailed 2D represe...
THE POTENTIAL OF DISCRETE RETURN, SMALL FOOTPRINT AIRBORNE LASER SCANNING DATA FOR VEGETATION DENSITY ESTIMATION
laser scanning correlation point cloud forestry land cover
2015/8/13
We evaluate the potential of deriving a vegetation leaf area index (LAI) from small footprint airborne laser scanning
data. Based on findings from large area histograms of discrete laser return...
MEASURING THE GROWTH OF INDIVIDUAL TREES USING MULTI-TEMPORAL AIRBORNE LASER SCANNING POINT CLOUDS
Height growth laser scanning multi-temporal change detection
2015/8/13
It is well known that characteristics of individual trees, such as tree height, biomass and crown area, can be derived from airborne
laser scanning (ALS) and that heights for individual trees can be ...
QUANTITATIVE MAPPING OF HYDRODYNAMIC VEGETATION DENSITY OF FLOODPLAIN FORESTS USING AIRBORNE LASER SCANNING
airborne laser scanning floodplains hydrodynamic vegetation density forest simulation
2015/8/13
The determination of hydrodynamic vegetation density of floodplain forests in the Netherlands is currently based on manually
delineated vegetation types and a lookup table to convert these into vege...
OPTIMIZATION OF THE SCANNING ANGLE FOR COUNTRYWIDE LASER SCANNING
Digital Terrain Model DTM airborne laser scanning ALS countrywide quality
2015/8/13
Countrywide collection of laser scanning, mainly due to DTM derivation, is becoming increasingly attractive. Since Finland is a
large country, optimization of scanning parameters is important from th...
MAPPING LAND COVER IN THE TAITA HILLS, SE KENYA, USING AIRBORNE LASER SCANNING AND IMAGING SPECTROSCOPY DATA FUSION
GEOBIA LCCS Hyperspectral data
2015/5/7
The Taita Hills, located in south-eastern Kenya, is one of the world’s biodiversity hotspots. Despite the recognized ecological importance of this region, the landscape has been heavily fragmented d...