搜索结果: 1-15 共查到“工程测量技术 model”相关记录15条 . 查询时间(0.58 秒)
A Distributed Flood Inundation Model Integrating with Rainfall-Runoff Processes Using GIS and Remote Sensing Data
Flood Inundation Flood Modelling Finite Difference Diffusion Wave SRTM
2015/12/18
Flood hazard is one of the most harmful disasters in the world, and it is significant to obtain information on flood characteristics for disaster mitigation as well as vulnerability assessment. This p...
Estimation of Unknown Height with Artificial Neural Network on Digital Terrain Model
Artifcial Neural Network DEM/DTM Modelling Prediction Accuracy
2015/12/8
In Digital Terrain Models (DTM) interpolation is actually a surface fitting problem. For the estimation of heights of points with known X-Y coordinates there are many interpolation methods. Besides, t...
Extraction of Main and Secondary Roads in VHR Images Using A Higher-Order Phase Field Model
Road Urban Satellite Segmentation Modelling Variational methods
2015/12/4
This paper addresses the issue of extracting main and secondary road networks in dense urban areas from very high resolution (VHR, ~0.61m) satellite images. The difficulty with secondary roads lies in...
Automatic Model-Based Building Detection from Single Panchromatic High Resolution Images
Computer Vision Pattern Recognition Variational Methods Homography
2015/12/4
Model-free image segmentation approaches for automatic building detection, usually fail to detect accurately building boundaries dueto shadows, occlusions and other low level misleading information. I...
A Three-dimensional Error Model of DEM Based on the Reconstruct Contours
DEM contour line precision analysis three-dimensional model error mean square error
2015/12/3
In this paper, a three-dimensional error model of grid digital elevation model (DEM) is proposed based on the reconstructed contours. Though analyzing the construction of three-dimensional error model...
Simulation and Model Validation of Positional Uncertainty of Line Feature on Manual Digitizing a Map
Simulation Digital Distributed Model Quality Error Accuracy
2015/12/3
The line feature is divided into two endpoints and line entity in this paper. The error model of independent point has been studied thoroughly, but study on positional uncertainty of endpoint based on...
A Hybrid Approach to Model Nonstationary Space-Time Series
Space-Time Series Forecasting Stationarity Autocorrelations Artificial Neural Network STARMA
2015/12/2
In recent years the Space-Time Autoregressive Moving-Average (STARMA) model family has been proven a useful tool in modelling multiple time series data that correspond to different spatial locations (...
Light Aberration Effect in HR Geometric Model
Light Aberration Modelling Geometric Accuracy Pleiades
2015/11/23
The advent of commercial observation satellites with an increasingly fine resolution requires the definition of whenever more accurate geometrical models to correct most of the main image distortions....
An Improved Pushbroom Scanner Model for Precise Georeferencing of ALOS Prism Imagery
ALOS PRISM pushbroom high-resolution satellite orientation
2015/11/23
One of the instruments on board of the ALOS satellite, launched by the Japanese Aerospace Exploration Agency (JAXA) in 2006, is the Panchromatic Remote-sensing Instrument for Stereo Mapping (PRISM). P...
Fast Reconstruction of Three Dimensional City Model Based on Airborne LIDAR
Airborne LIDAR Three Dimensional City Model (3DCM)
2015/11/20
Three Dimensional City Model (3DCM) research becomes a hot area in GIS field in recent years. The 3DCM research also has great significance in traffic, land, mine, surveying and mapping, and other fie...
3D building model as an interface for a web information system, case study of the Pontonniers high school in Strasbourg
Architecture modeling cultural heritage building decision support Web based 3D model
2015/8/25
The paper presents the results of a test study based on 3D modelling of the “Pontonniers International high school in Strasbourg” where the Alsace Region Institution asked for building documentation i...
Research on bathymetry estimation by Worldview-2 based with the semi-analytical model
Bathymetry Estimation Semi-analytical Model
2015/5/7
South Sea Islands of China are far away from the mainland, the reefs takes more than 95% of south sea, and most reefs scatter over interested dispute sensitive area. Thus, the methods of obtaining t...
FUNDAMENTAL PRINCIPLES OF IMAGE ORIENTATION USING ORTHOGONAL PROJECTION MODEL
orthogonal projection orientation model
2015/3/24
The central perspective model is generally used in photogrammetry because of the high reliability, but it has a weak point
that the initial values of orientation parameters are necessary due to the n...
A mathematic model for event detection in spatiotemporal city environment
Mathematic model event spatiotemporal multi-scale storage visualization analysis
2016/4/11
All entities in an urban environment such as buildings, parks, roads etc. are changing more or less over time. A seamless documentation of these changes in a spatiotemporal city model may require extr...
organizetion multi-scale 3d model data to meet network transmission
3D Model Point-indexed Data Structure Multi-Scales Quadtree-based Tile Network Transmission
2016/4/11
Existing research mainly fucus on organization and visualization of 3D building models in circumstances which are the main spatial objects, yet multi-scale representation of geometry and texture infor...