搜索结果: 1-15 共查到“光学工程 Airborne”相关记录16条 . 查询时间(0.119 秒)
WATER MAPPING USING MULTISPECTRAL AIRBORNE LIDAR DATA
Land Cover Classification Multispectral LiDAR Optech Titan Point Cloud Processing SLIER
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2018/5/16
This study investigates the use of the world’s first multispectral airborne LiDAR sensor, Optech Titan, manufactured by Teledyne Optech to serve the purpose of automatic land-water classification with...
3D BUILDING MODEL GENERATION FROM AIRBORNE LASER SCANNER DATA USING 2D GIS DATA AND ORTHOGONAL POINT CLOUD PROJECTIONS
LIDAR point cloud segmentation building model reconstruction automation
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2015/8/13
Human operators use an intuitive procedure of rotating laser scanner point clouds into specific projections when trying to understand
the structure of buildings contained in the data. This procedure ...
FILTERING OF AIRBORNE LASER SCANNER DATA BASED ON SEGMENTED POINT CLOUDS
Segmentation Filtering Laser scanning LiDAR
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2015/8/13
The extraction of points on the bare Earth from point clouds acquired by airborne laser scanning is the most time consuming and
expensive part in the production of digital elevation models with laser...
Airborne Laser Scanning and Image Processing Techniques for Archaeological Prospection
Digital terrain model non-invasive archaeology DTM shaded relief LiDAR
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2014/7/30
Aerial photography was, for decades, an invaluable tool for archaeological prospection, in spite of the limitation of this method to deforested areas. The airborne laser scanning (ALS) method can be n...
NEW LIGHT-WEIGHT STEREOSOPIC SPECTROMETRIC AIRBORNE IMAGING TECHNOLOGY FOR HIGH-RESOLUTION ENVIRONMENTAL REMOTE SENSING – CASE STUDIES IN WATER QUALITY MAPPING
Photogrammetry Geometry Radiometry Hyper spectral Environment Classification High-resolution
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2014/4/24
A new Fabry-Perot interferometer (FPI) based light-weight spectrometric camera provides new possibilities for environmental remote sensing applications. The sensor collects spectral data cubes with ad...
DETECTION OF COLLAPSED BUILDINGS BY CLASSIFYING SEGMENTED AIRBORNE LASER SCANNER DATA
Supervised classification maximum entropy modelling rule based classification airborne laser scanner data segmentation object-based point cloud analysis
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2014/6/5
Rapid mapping of damaged regions and individual buildings is essential for efficient crisis management. Airborne laser scanner (ALS) data is potentially able to deliver accurate information on the 3D ...
THE EFFECTS OF LASER REFLECTION ANGLE ON RADIOMETRIC CORRECTION OF THE AIRBORNE LIDAR INTENSITY DATA
Radiometric Correction LiDAR Intensity Data Reflection Angle Surface Normal Land Cover Classification
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2014/6/5
Radiometric correction (RC) of the airborne Light Detection And Ranging (LiDAR) intensity data has been studied in the last few years. The physical model of the RC relies on the use of the laser range...
VOXEL-BASED ESTIMATION OF PLANT AREA DENSITY FROM AIRBORNE LASER SCANNER DATA
Canopy structure Three-dimensional (3-D) Flight line Lidar Plant area index Crown volume
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2014/6/5
Three-dimensional distribution of plant area density (PAD) was retrieved using airborne laser scanning (ALS) data. The calculation of PAD requires the number of laser-pulses intercepted by plant mater...
GEO-REFERENCED MAPPING USING AN AIRBORNE 3D TIME-OF-FLIGHT CAMERA
Range Imaging UAV real time 3D geometric mapping elevation model
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2014/6/5
This paper presents the first experience of a close range bird's eye view photogrammetry with range imaging (RIM) sensors for the real time generation of high resolution geo-referenced 3D surface mode...
THE ASSESSMENT OF THE ABSOLUTE PLANIMETRIC ACCURACY OF AIRBORNE LASERSCANNING
LIDAR Point Cloud DEM/DTM Quality Accuracy Statistics Specifications
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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...
APPLYING 3D AFFINE TRANSFORMATION AND LEAST SQUARES MATCHING FOR AIRBORNE LASER SCANNING STRIPS ADJUSTMENT WITHOUT GNSS/IMU TRAJECTORY DATA
Airborne Laser Scanning adjustment LIDAR georeferencing quality control
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2014/6/5
In this article we extend our previous work on the topic of ALS strip adjustment without GNSS/IMU trajectory data. Between overlap- ping strip pairs the relative orientation as a 3D affine trans...
CLASSIFICATION OF AIRBORNE LASER SCANNING DATA IN WADDEN SEA AREAS USING CONDITIONAL RANDOM FIELDS
LiDAR classification conditional random fields coast
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2014/4/28
In this paper we investigate the influence of contextual knowledge for the classification of airborne laser scanning data in Wadden Sea areas. For this propose we use Conditional Random Fields (CRF) f...
A NOVEL APPROACH FOR SEGMENTATION OF AIRBORNE LASER SCANNING POINT CLOUD LOCATED ON ROOF STRUCTURE
3D building Segmentation laser scanning roof reconstruction
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2014/4/28
This paper is addressed to an approach for segmenting airborne laser scanning point cloud. It aims to detect and cluster point cloud of an input roof into several segments that are corresponding to pl...
Airborne Laser Scanning Data for Tree Characteristics Detection
Airborne Laser Scanning Canopy Height Model Tree Detection
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2014/6/12
Airborne laser scanning (ALS) technology provides a distinctive, innovative, accurate and cost effective approach to forest inventory. ALS data is used for information extraction with respect to the d...
A QUALITY ASSESSMENT OF REPEATED AIRBORNE LASER SCANNER OBSERVATIONS
Comparison LIDAR DTM accuracy
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2015/6/1
This paper describes the height and planimetric errors of repeated ALS (airborne laser scanning) strips with a deeper focus on
building extraction. Measurements with Toposys Falcon airborne laser sc...