搜索结果: 1-15 共查到“航空、航天科学技术 images”相关记录17条 . 查询时间(0.153 秒)
IMAGE QUALITY ASSESSMENT OF HIGH-RESOLUTION SATELLITE IMAGES WITH MTF-BASED FUZZY COMPREHENSIVE EVALUATION METHOD
Image Quality Assessment High-resolution Satellite Images MTF Fuzzy Comprehensive Evaluation
font style='font-size:12px;'>
2018/5/15
A Modulation Transfer Function (MTF)-based fuzzy comprehensive evaluation method was proposed in this paper for the purpose of evaluating high-resolution satellite image quality. To establish the fact...
DISCUSSION ON HEIGHT SYSTEMS IN STEREOSCOPIC MAPPING USING THE ZY-3 SATELLITE IMAGES
ZY-3 Stereoscopic Satellite Mapping Geoid Ellipsoidal height Orthometric height Accuracy
font style='font-size:12px;'>
2018/5/16
The ZY-3 is the civil high-resolution optical stereoscopic mapping satellite independently developed by China. It is mainly used for 1 : 50,000 scale topographic mapping. One of the distin...
COMPARISON AND ANALYSIS OF ACCURACY OF ELEVATION EXTRACTION BASED ON THE ZY-3 01 AND 02 SATELLITES STEREOSCOPIC IMAGES
ZY-3 Stereoscopic Satellite GSD DEM differential DEM, Accuracy
font style='font-size:12px;'>
2018/5/16
The ZY-3 is the civil high-resolution optical stereoscopic mapping satellite independently developed by China. The ZY-3 constellation of the twin satellites operates in a sun-synchronous, near-polar, ...
AN IMPROVED DEM CONSTRUCTION METHOD FOR MUDFLATS BASED ON BJ-1 SMALL SATELLITE IMAGES: A CASE STUDY ON BOHAI BAY
Mudflats BJ-1 image Waterline detection method Tidal grid model DEM
font style='font-size:12px;'>
2018/5/15
The topographic measurement of muddy tidal flat is restricted by the difficulty of access to the complex, wide-range and dynamic tidal conditions. Then the waterline detection method (WDM) has the pot...
COMPARISON OF THE LINEAR AND THE NON-LINEAR BLOCK ADJUSTMENT ON SATELLITE IMAGES RESEARCH
Linear Least square method Non-Linear Least square method error equation Block adjustment Rational Function Model High-resolution Satellite images
font style='font-size:12px;'>
2018/5/14
The Rational Function Model （RFM） is a non-linear model. Usually, the RFM-based satellite image block adjustment uses the Taylor series to expand error equations, and then solves the linear model. The...
STRUCTURAL INFORMATION DETECTION BASED FILTER FOR GF-3 SAR IMAGES
GF-3 SAR images despeckling filter adaptive windowing structural information
font style='font-size:12px;'>
2018/5/15
GF-3 satellite with high resolution, large swath, multi-imaging mode, long service life and other characteristics, can achieve allweather and all day monitoring for global land and ocean. It has becom...
BUILT-UP AREA DETECTION FROM HIGH-RESOLUTION SATELLITE IMAGES USING MULTI-SCALE WAVELET TRANSFORM AND LOCAL SPATIAL STATISTICS
Built-up Area Detection High-resolution Satellite Image Wavelet Transform Local Spatial Statistics
font style='font-size:12px;'>
2018/5/11
Recently, built-up area detection from high-resolution satellite images (HRSI) has attracted increasing attention because HRSI can provide more detailed object information. In this paper, multi-resolu...
POLARIMETRIC CALIBRATION AND ASSESSMENT OF GF-3 IMAGES IN STEPPE
Polarimetric calibration PolSAR GF- image quality reflection symmetry
font style='font-size:12px;'>
2018/5/11
The GaoFen-3 (GF-3) satellite is the first fully polarimetric synthetic aperture radar (PolSAR) satellite in China. It has three fully polarimetric imaging modes and is available for many applications...
AIRCRAFT SEGMENTATION IN SAR IMAGES BASED ON IMPROVED ACTIVE SHAPE MODEL
SAR target segmentation aircraft ISOMAP
font style='font-size:12px;'>
2018/5/16
In SAR image interpretation, aircrafts are the important targets arousing much attention. However, it is far from easy to segment an aircraft from the background completely and precisely in SAR images...
3D MODEL GENERATION USING OBLIQUE IMAGES ACQUIRED BY UAV
UAV oblique images flight plan SfM cultural heritage open source
font style='font-size:12px;'>
2017/8/10
In recent years, many studies revealed the advantages of using airborne oblique images for obtaining improved 3D city models (including façades and building footprints). Here the acquisition and ...
SATELLITE IMAGES OF AIR POLLUTANTS AND LAND COVER FOR ENVIRONMENTAL EDUCATION AND DISASTER PREVENTION
Atmosphere Pollution Vegetation Volcanoes
font style='font-size:12px;'>
2015/8/24
We studied the behavior of air pollutants such as volcanic gas and Asian dust by using satellite remote sensing data and ground
observations. In addition, we studied some natural disasters occurred ...
ANALYSIS OF OBJECT-ORIENTED CLASSIFICATION RESULTS DERIVED FROM PAN-SHARPENED LANDSAT 7 ETM+ AND ASTER IMAGES
object-oriented classification eCognition
font style='font-size:12px;'>
2015/8/17
In this study, performance of object-oriented classification approach has been tested using medium resolution satellite dataset of
Zonguldak testfield. For this purpose, Landsat 7 ETM+ and ASTER ima...
3D Spatial Information Extraction from Stereo Combination of Two Different Satellite Images
IRS-1D SPOT-4 Orbital Parameters Model Rational Function Model
font style='font-size:12px;'>
2015/8/17
This paper describes the geometric accuracy testing of the IRS-1D and SPOT-4 images when combining together
as stereo, over a test field in Zanjan province in the west part of Iran. For reconstructi...
DETERMINATION OF BOUNDARIES, GEOLOGICAL OUTCROPS AND STRUCTURAL FEATURES OF THE SIVAS TERTIARY BASIN/TURKEY USING LANDSAT TM/ETM+ AND SPOT XS IMAGES
Classification DEM/DTM Fusion Geology Imagery Landsat
font style='font-size:12px;'>
2015/7/29
The Sivas Basin is one of the most well known major Tertiary basins of the Anatolia connected
with the evolution of the Neotethyan Ocean. Central Anatolian Thrust Belt contains realms of this
ocea...
A STUDY ON PRODUCTIVITY OF SATELLITE IMAGES IN THE PLANNING PHASE OF LAND CONSOLIDATION PROJECTS
Land Agriculture Planning Satellite Image
font style='font-size:12px;'>
2015/7/29
Engineers in geomatics are now using high tech technologies which are based on satellite systems. GPS and remote sensing technologies
offer great advantages for surveyors. One of the areas where the...