搜索结果: 31-40 共查到“光电子技术 laser scanning”相关记录40条 . 查询时间(0.072 秒)
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
2012/9/3
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...
ACCURACY ASSESSMENT OF BUILDING MODELS CREATED FROM LASER SCANNING DATA
Architecture Modelling LIDAR TLS Accuracy Three-dimensional
2012/7/31
Recently, it can be observed a growing interest in 3D building or city models created from laser scanning data. These models are used in many areas of interest. In this work the accuracy assessment of...
RESEARCH ON THE THREE ANGULAR RESOLUTION OF TERRESTRIAL LASER SCANNING
Terrestrial Laser Scanning Angular Resolution AMTF Model, EIFOV Model Beamwidth Sampling Interval
2012/7/30
Terrestrial laser scanning technology has been applied more and more widely in the field of Surveying and mapping. Although requirements of the accuracy for different laser scanner survey may differ c...
CLASSIFICATION OF AIRBORNE LASER SCANNING DATA IN WADDEN SEA AREAS USING CONDITIONAL RANDOM FIELDS
LiDAR classification conditional random fields coast
2012/7/24
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...
PLANAR PROJECTION OF MOBILE LASER SCANNING DATA IN TUNNELS
Laser scanning point cloud automation adjustment rectification
2012/7/24
Laser scanning is now a common technology in the surveying and monitoring of large engineering infrastructures, such as tunnels, both in motorways and railways. Extended possibilities exist now with t...
KNOWLEDGE-BASED OBJECT DETECTION IN LASER SCANNING POINT CLOUDS
Point Cloud Ontology Modeling Understanding Processing Classification Algorithms
2012/7/24
Object identification and object processing in 3D point clouds have always posed challenges in terms of effectiveness and efficiency. In practice, this process is highly dependent on human interpretat...
A NOVEL APPROACH FOR SEGMENTATION OF AIRBORNE LASER SCANNING POINT CLOUD LOCATED ON ROOF STRUCTURE
3D building Segmentation laser scanning roof reconstruction
2012/7/24
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
2010/6/12
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...
Development of Human Joint Prosthesis by the Process of Metal Surface Using Laser Scanning
Laser scanning Human joint prosthesis Metal surface
2009/6/8
The bonding between a metal surface of a human joint prosthesis and a bone is not perfect. It makes the loosening of a metal component from a bone. Porous coating method is widely used to have a rough...
EXTRACTION OF SPATIAL OBJECTS FROM LASER-SCANNING DATA USING A CLUSTERING TECHNIQUE
DEM/DTM LIDAR Laser-scanning Algorithms Classification
2004/6/1
This paper explores a novel approach to the extraction of spatial objects from the laser-scanning data using an unsupervised
clustering technique. The technique, namely self-organizing maps (SOM), c...