搜索结果: 16-30 共查到“测绘科学技术 Height”相关记录71条 . 查询时间(0.062 秒)
TEMPERATE FOREST HEIGHT ESTIMATION PERFORMANCE USING ICESAT GLAS DATA FROM DIFFERENT OBSERVATION PERIODS
Temperate Forest Height Large Footprint Lidar waveform ICEsat GLAS Observation Period
2015/12/31
To investigate the forest height estimation potential and performance of different observation periods GLAS data in temperate region, this study uses the Northeast of China as test site. USFS FIA styl...
Application and Precision Analysis of Tree height Measurement with LiDAR
Image Processing Accuracy Analysis Forestry Laser Scanning Point Cloud Digital Surface Models(DSM) Digital Terrain Models(DEM)
2015/12/29
Light Detection And Ranging (LiDAR), is a system of laser detection and distance measurement installed on aircraft or satellites. Because of its high angular resolution, high range resolution and anti...
ESTIMATING CANOPY HEIGHT OF MONTANE COOL TEMPERATE FOREST USING LARGE-FOOTPRINT SPACEBORNE LIDAR
LiDAR Forest Canopy height Estimation Model
2015/12/28
Estimation of forest carbon storage is a critical challenge for understanding the global carbon cycle because it dominates the dynamics of the terrestrial carbon cycle. Light Detection and Ranging (Li...
Close Photogrammetry and Laser Scanning Using a Mobile Mapping System for the High Detailed Survey of a Height Density Urban Area
Mobile Mapping System GPS/INS LIDAR
2015/12/17
The realization of an urban underground is a key issue for the development of any city, and it has to regard all problems linked to the
project phase and the connections with many other works like ra...
Generation of True Orthoimages from Airborne Scanner Data Without the Need of Height Information
Orthoimage True Orthophoto Rectification Matching Three-Line Aerial
2015/12/16
This paper presents a new technique for the efficient production of true orthoimages. The approach is based on airborne scanner data, and takes advantage of the particular geometric properties of such...
ASSESSMENT OF REFERENCE HEIGHT MODELS ON QUALITY OF TANDEM-X DEM
DEM Assessment TanDEM-X InSAR Reference Height Model
2016/1/15
The aim of this study is to investigate the effect of various Global Digital Elevation Models (GDEMs) in producing high-resolution topography model using TanDEM-X (TDX) Coregistered Single Look Slant ...
Study on the Height Measurement of Cultural Feature Based on the Single Aerial Photo
Photogrammetry Projection Error Radicalization Distance Monoposition
2015/12/11
As an important property information，the height information of buildings possesses quite high utilizing value in the civil fields. The traditional method to get the heights of artificial buildings is ...
INVISTIGATION ON CANOPY HEIGHT AND DENSITY DIFFERENTIATIONS IN THE MANAGED AND UNMANAGED FOREST STANDS USING LIDAR DATA (CASE STUDY: SHASTKALATEH FOREST, GORGAN)
Canopy height Canopy density Lidar Managed forest Unmanaged forest Dr. Bahramnia forest plan of Gorgan
2016/1/18
Forest management plans are interesting to keep the forest stand natural composite and structure after silvicultural and management treatments. In order to investigate on stand differences made by man...
A HYBRID METHOD IN VEGETATION HEIGHT ESTIMATION USING POLINSAR IMAGES OF CAMPAIGN BIOSAR
PolInSAR Forest height estimation model-based decomposition Campaign BioSAR
2016/1/15
Recently, there have been plenty of researches on the retrieval of forest height by PolInSAR data. This paper aims at the evaluation of a hybrid method in vegetation height estimation based on L-band ...
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...
Analysis of Rational Function Dependency to the Height Distribution of Ground Control Points in Geometric Correction of Aerial and Satellite Images
Analysis Rational Function Dependency Height Distribution Ground Control Points Geometric Correction Aerial Satellite Images
2015/11/23
One of the existence mathematical models is Direct Linear Transformation (DLT). These equations are being regarded because of their simplicity as they are direct. When the height distribution of groun...
Monitoring of Height Changes in Urban Areas from Multi-Temporal, Multi-Scale and Multi-Platform Remotely Sensed Data
Developing Countries Human Settlement Estimation DEM/DTM IKONOS Aerial Multitemporal Multisensor
2015/11/23
This study aims to automatically determine changes in urban areas from multi-temporal, multi-scale, and multi-platform remotely sensed data as a base for estimating changes in population. The data set...
The Research and Design of the Base-height Ratio for the Three Linear Array Camera of Satellite Photogrammetry
Three linear Array CCD camera Satellite photogrammetry Space intersection angle
2015/11/23
In the satellite photogrammetry, the base-height ratio greatly impacts the elevation accuracy of the targets for the plotting map, and the greater base-height ratio, the higher elevation precision. Th...
Forest Height Estimation from INDREX-II L-Band Polarimetric InSAR Data
Forestry SAR Mapping Vegetation Estimation DEM
2015/11/20
This paper presents some results of forest canopy height estimation from L-Band polarimetric InSAR data. Three approaches have been tested using a set of PolSARproSim simulated data as well as real da...
3D Height Accuracy Survey and Modelling of one of Aosta's Anthropomorphic Stelae
Cultural Heritage Archaeology Archiving Recording Close Range High resolution Increased Reality
2015/11/12
The Aosta Valley still preserves important traces of prehistoric and protohistoric settlements in the aeneolithic necropolises of Champrotard (Villeneuve), Montjovet and Vollein (Quart), partly associ...