搜索结果: 106-120 共查到“知识库 雷达工程 LiDAR”相关记录152条 . 查询时间(0.212 秒)
AUTOMATIC 3D BUILDING MODEL GENERATION FROM LIDAR AND IMAGE DATA USING SEQUENTIAL MINIMUM BOUNDING RECTANGLE
LiDAR Photogrammetry Building Modeling Automation
2012/7/31
Digital Building Model is an important component in many applications such as city modelling, natural disaster planning, and aftermath evaluation. The importance of accurate and up-to-date building mo...
EDGE-BASED REGISTRATION FOR AIRBORNE IMAGERY AND LIDAR DATA
Aerial Imagery Building, Detection, LIDAR, Model, Registration
2012/7/31
Aerial imagery and LIDAR points are two important data sources for building reconstruction in a geospatial area. Aerial imagery implies building contours with planimetric features; LIDAR data explicit...
ADVANCES OF FLASH LIDAR DEVELOPMENT ONBOARD UAV
UAV LiDAR flash data acquisition 3D imagery
2012/7/30
A small cost-low civilian UAV (Unmanned Aerial Vehicle - UAV) platform usually requests that all carried components should be light in weight, small in volume, and efficient in energy. This paper pres...
ASSESSMENT OF THREE-DIMENSIONAL MODELS DERIVED FROM LIDAR AND TLS DATA
Accuracy precision assessment three-dimensional quality TLS LIDAR
2012/7/27
This paper suggests the use of specific methods for assessing the geometry of 3D building models, by considering models extracted automatically from terrestrial laser scanning (TLS) data and aerial la...
A COMPARISON OF TWO DIFFERENT APPROACHES OF POINT CLOUD CLASSIFICATION BASED ON FULL-WAVEFORM LIDAR DATA
full-waveform LiDAR Decomposition Unsupervised classification point cloud, space transform EM algorithm
2012/7/24
In this paper, two different point cloud classification approaches were applied based on the full-waveform LiDAR data. At the beginning, based on the full-waveform LiDAR data, we decomposed the backsc...
MIN-CUT BASED SEGMENTATION OF AIRBORNE LIDAR POINT CLOUDS
LIDAR point clouds segmentation eigenvalue analysis graph-cuts min-cut
2012/7/24
Introducing an organization to the unstructured point cloud before extracting information from airborne lidar data is common in many applications. Aggregating the points with similar features into seg...
QUALITY MONITORING OF LARGE STEEL BUILDINGS USING TERRESTRIAL LIDAR TECHNIQUE
Terrestrial LIDAR Point cloud Extraction of feature points Construction Quality Monitoring
2012/7/24
Terrestrial LIDAR Technology is used for quality monitoring in construction of large-scale steel buildings to solve the problem of quick and precise inspecting for large steel structure. Point Cloud i...
PROGRESSIVE DENSIFICATION AND REGION GROWING METHODS FOR LIDAR DATA CLASSIFICATION
LiDAR DEM/DTM Classification Algorithms
2012/7/24
At present, airborne laser scanner systems are one of the most frequent methods used to obtain digital terrain elevation models. While having the advantage of direct measurement on the object, the poi...
ALTERNATIVE METHODOLOGIES FOR THE ESTIMATION OF LOCAL POINT DENSITY INDEX: MOVING TOWARDS ADAPTIVE LIDAR DATA PROCESSING
LIDAR Point cloud Processing Estimation Quality Analysis
2012/7/24
Over the past few years, LiDAR systems have been established as a leading technology for the acquisition of high density point clouds over physical surfaces. These point clouds will be processed for t...
RECONSTRUCTION OF BUILDING OUTLINES IN DENSE URBAN AREAS BASED ON LIDAR DATA AND ADDRESS POINTS
LIDAR Point Cloud Algorithms Building Reconstruction
2012/7/24
The paper presents a comprehensive method for automated extraction and delineation of building outlines in densely built-up areas. A novel approach to outline reconstruction is the use of geocoded bui...
AUTOMATED RECONSTRUCTION OF WALLS FROM AIRBORNE LIDAR DATA FOR COMPLETE 3D BUILDING MODELLING
LIDAR Three-dimensional Principle Component Analysis Segmentation Feature extraction Vertical wall
2012/7/24
Automated 3D building model generation continues to attract research interests in photogrammetry and computer vision. Airborne Light Detection and Ranging (LIDAR) data with increasing point density an...
CALIBRATION OF LOW COST DIGITAL CAMERA USING DATA FROM SIMULTANEOUS LIDAR AND PHOTOGRAMMETRIC SURVEYS
Lidar Camera Calibration Bundle Adjustment Direct Georeferencing Photogrammetry IOP On-the-job calibration
2012/7/20
Digital photogrammetric products from the integration of imagery and lidar datasets are a reality nowadays. When the imagery and lidar surveys are performed together and the camera is connected to the...
A NEW EFFECTIVE WAY ON VEGETATION MORNITORING USING MULTI-SPECTRAL CANOPY LIDAR
Remote Sensing Vegetation Monitoring Global-Environmental LIDAR Spectral
2012/7/20
Airborne Laser Scanning (ALS) has been a well-established tool for the measurement of surface topography as well as for the estimation of biophysical canopy variables, such as tree height and vegetati...
SURFACE COMPLEXITY COMPONENT OF LIDAR POINT CLOUD ERROR CHARACTERIZATION
Airborne LiDAR DEM Point cloud Surface complexity Accuracy/Error Assessment
2012/7/20
There are several data product characterization methods to describe LiDAR data quality. Typically based on guidelines developed by government or professional societies, these techniques require the st...
Variability of Urban Aerosols over Santiago, Chile: Comparison of Surface PM10 Concentrations and Remote Sensing with Ceilometer and Lidar
Aerosols Lidar Ceilometer PM10 Santiago Chile
2012/2/28
Lidar instruments have proven useful for characterizing the structure and dynamics of aerosol layers. We compare here
the diurnal, seasonal and vertical variability of urban aerosols as described by ...