搜索结果: 1-15 共查到“测绘科学技术 IMPROVEMENT”相关记录49条 . 查询时间(0.14 秒)
IMPROVEMENT ON TIMING ACCURACY OF LIDAR FOR REMOTE SENSING
Laser rangefinding Leading-edge timing discrimination Walk error MATLAB Lidar data quality
2018/5/17
The traditional timing discrimination technique for laser rangefinding in remote sensing, which is lower in measurement performance and also has a larger error, has been unable to meet the high precis...
IMPROVEMENT EVALUATION ON CERAMIC ROOF EXTRACTION USING WORLDVIEW-2 IMAGERY AND GEOGRAPHIC DATA MINING APPROACH
Geographical Data Mining GEOBIA WorldView-2 Ceramic roof C4.5 Decision Tree Classification accuracy
2016/11/24
Advances in geotechnologies and in remote sensing have improved analysis of urban environments. The new sensors are increasingly suited to urban studies, due to the enhancement in spatial, spectral an...
STUDY ON IMPROVEMENT OF ACCURACY IN INERTIAL PHOTOGRAMMETRY BY COMBINING IMAGES WITH INERTIAL MEASUREMENT UNIT
IMU(Inertial Measurement Unit) Inertial photogrammetry Photogrammetry Terrestrial photogrammetry SfM(Structure from Motion)
2016/11/11
Inertial photogrammetry is defined as photogrammetry that involves using a camera on which an inertial measurement unit (IMU) is mounted. In inertial photogrammetry, the position and inclination of a ...
IMPROVEMENT AND EXTENSION OF SHAPE EVALUATION CRITERIA IN MULTI-SCALE IMAGE SEGMENTATION
Multi-scale Segmentation Shape Criterion Aspect Ratio Automatic Parameterization F-measure Object-based Image Analysis
2016/7/28
From the last decade, the multi-scale image segmentation is getting a particular interest and practically being used for object-based image analysis. In this study, we have addressed the issues on mul...
Improvement of the automatic MOMS-2P DTM generation
MOMS02-P Mir Space Station High Resolution Satellite Imagery
2016/5/20
Using high resolution optical satellite imagery for automatic DTM generation the validation of the digital terrain model becomes an issue. This problem is easily to overcome if a DTM already exists, a...
BUILDING FOOTPRINT DATABASE IMPROVEMENT FOR 3D RECONSTRUCTION: A DIRECTION AWARE SPLIT AND MERGE APPROACH
Photogrammetry 3D reconstruction building footprint split and merge segmentation
2016/3/1
In the context of 3D reconstruction of wide urban areas, the use of building footprints has shown to be of great help to achieve both
robustness and precision. These footprints however often present ...
IMPROVEMENT OF AEROSOL RETRIEVAL THROUGH CLOUD IDENTIFICATION
CALIPSO CloudSat aerosol cloud lidar radar aerosol optical depth
2016/1/3
The stable aerosol retrieval algorithm needs a prior assumption of lidar ratio (the extinction-to-backscatter ratio), and the known aerosol type that is the prerequisite of the assumption, so how to i...
IMPROVEMENT OF RAINFALL-RUNOFF MODELS USING OPTICAL AND RADAR REMOTE SENSING DATA
ERS Data Soil Moisture Rainfall Land Cover Rainfall-run off Modeling GIS
2015/12/28
GIS are used for the rainfall-runoff model development and determining its parameters. GIS data comprise soil layer, topography including three dimensional data, and land cover data. Rainfall estimati...
THE PROBLEM OF THE IHS METHOD WHICH EXISTS IN THE QUICK-BIRD IMAGE FUSION AND THE IMPROVEMENT OF IT
Quick-Bird Image Fusion Ihs Transform Visual-Pan Band Method Linear Weighted Matching
2015/12/26
Against the Spectrum distortion problem of the IHS method which exists in the Quick-Bird data fusion, the paper proposes visualpan band method and Linear weighted matching two methods to improve it, p...
An Improvement of 3D OO-Solid Model
3D GIS Data Model Data Structure Spatial Modeling Geology
2015/12/16
The key issue of 3D geology modeling is the 3D data model. Because of discontinuity, complexity and uncertainty of distribution of 3D geo-objects, some models only are suitable for regular, continuous...
Radiometric Block-Adjustment of Satellite Images Reference3d® Production Line Improvement
SPOT Radiometry Mosaic Block Multitemporal Orthoimage
2015/12/16
One layer of global geographic database Reference3D® is an image mosaic (5m resolution) made exclusively from panchromatic SPOT5-HRS images. In order to improve Reference3D® production line,...
Application of Mathematical Morphology Operations for Simplification and Improvement of Correlation of Images in Close-Range Photogrammetry
Close Range Photogrammetry 2-D Feature Extraction Feature Detection
2015/12/14
Mathematical morphology is a set theory approach, developed by J.Serra and G. Matheron. It provides an approach to digital image
processing based on geometrical shape. Depending on the type of the op...
IMPROVEMENT OF DEM GENERATION FROM ASTER IMAGES USING SATELLITE JITTER ESTIMATION AND OPEN SOURCE IMPLEMENTATION
ASTER Jitter Orbit Attitude correction DEM generation RPC
2016/1/15
The Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) system embarked on the Terra (EOS AM-1) satellite has been a source of stereoscopic images covering the whole globe at a 15m ...
PSINSAR IMPROVEMENT USING AMPLITUDE DISPERSION INDEX OPTIMIZATION OF DUAL POLARIMETRY DATA
Polarimetric Optimization Persistent Scatterer Candidate PSInSAR Amplitude Dispersion Index
2016/1/15
Persistent Scatterer Interferometry for SAR data (PSInSAR) improves the ability of conventional InSAR time-series methods by detecting and analysing pixels where the portion of spatiotemporal decorrel...
ACCURACY IMPROVEMENT BY THE LEAST SQUARES IMAGE MATCHING EVALUATED ON THE CARTOSAT-1
DEM Accuracy Improvement LSM Parallel Projection Geometry
2016/1/15
Generating accurate elevation data from satellite images is a prerequisite step for applications that involve disaster forecasting and management using GIS platforms. In this respect, the high resolut...