搜索结果: 1-15 共查到“测绘科学技术 Reduction”相关记录32条 . 查询时间(0.218 秒)
RAPID EXPOSURE ASSESSMENT OF NATIONWIDE RIVER FLOOD FOR DISASTER RISK REDUCTION
Nationwide flood MODIS MLSWI Affected people Risk reduction
2016/12/1
considerably increased. For flood disaster risk reduction, it is important to identify and characterize flood area, locations (particularly lowland along rivers), and durations. For this purpose, floo...
AN ATTEMPT TO DEVELOP AN ENVIRONMENTAL INFORMATION SYSTEM OF ECOLOGICAL INFRASTRUCTURE FOR EVALUATING FUNCTIONS OF ECOSYSTEM-BASED SOLUTIONS FOR DISASTER RISK REDUCTION (ECO-DRR)
Ecological infrastructure Eco-DRR Environmental Information System Ecological disaster reduction Web-GIS
2016/11/30
“Ecological Infrastructure (EI)” are defined as naturally functioning ecosystems that deliver valuable services to people, such as healthy mountain catchments, rivers, wetlands, coastal dunes, and nod...
OPERATIONAL REMOTE SENSING SERVICES IN NORTH EASTERN REGION OF INDIA FOR NATURAL RESOURCES MANAGEMENT, EARLY WARNING FOR DISASTER RISK REDUCTION AND DISSEMINATION OF INFORMATION AND SERVICES
Operational Remote Sensing natural resources disaster risk reduction knowledge dissemination
2016/11/8
North Eastern Region (NER) of India comprising of eight states considered to be most unique and one of the most challenging regions to govern due to its unique physiographic condition, rich biodiversi...
REDUCTION OF STRIPING NOISE IN OVERLAPPING LIDAR INTENSITY DATA BY RADIOMETRIC NORMALIZATION
LiDAR Intensity Noise Reduction Radiometric Correction Radiometric Normalization Land Cover Classification
2016/7/4
To serve seamless mapping, airborne LiDAR data are usually collected with multiple parallel strips with one or two cross strip(s). Nevertheless, the overlapping regions of LiDAR data strips are usuall...
3D-GIS FOR BARRIER LAKE DISASTER REDUCTION AND RISK MANAGEMENT
Barrier lake 3D GIS emergency management disaster reduction
2016/3/17
On May 12, 2008 a large earthquake occurred in Wenchuan, resulting in significant casualties and enormous property loss, and shocked the world. Then the Tangjiashan barrier lake caused byearthquake, m...
IN SUPPORT OF THE MILLENNIUM DEVELOPMENT GOALS:GIS USE FOR POVERTY REDUCTION TASKS
Geographic Information System Poverty Management Spatial analysis Visualization Overlay analysis Digital mapping
2016/1/3
To achieve the goal of poverty reduction, as encapsulated within the Millennium Development Goals, the collection, analysis, and use of geographic information as it relates to the multidimensionality ...
A METHOD FOR SAR SPECKLE REDUCTION BASED ON PARTIAL DIFFERENTIAL EQUATION
Image processing Filtering Digital photogrammetry Feature detection Geography
2015/12/31
Synthetic Aperture Radar (SAR) has been get broad recognition and application in many domains such as surveying and mapping.But the SAR speckles influence the interpretation of the image badly. In thi...
USING A LABORATORIAL HYPERSPECTRAL IMAGE FOR THE EVALUATION OF FEATURE REDUCTION METHODS FOR THE CLASSIFICATION OF HIGH DIMENSIONAL DATA
Hyperspectral Sensing Feature Selection Feature Extraction Classification
2015/12/31
Thee rapid advances in hyperspectral sensing technology have made it possible to collect remote sensing data in hundreds of bands. However, the data analysis methods which have been successfully appli...
DIMENSIONAL REDUCTION IN HYPERSPECTRAL IMAGES BY DANGER THEORY BASED ARTIFICIAL IMMUNE SYSTEM
Agriculture Hyper spectral Extraction Classification Artificial_Intelligence Algorithms
2015/12/31
A new dynamical dimensional reduction model (HDRM) for hyperspectral images is proposed based on clone selection algorithm which is inspired from nature immune system in this paper. In existing dimens...
A DIMENSIONALITY REDUCTION ALGORITHM OF HYPER SPECTRAL IMAGE BASED ON FRACT ANALYSIS
Hyper spectral dimensionality reduction spectral domain fractal analysis feature image
2015/12/30
A dimensionality reduction algorithm based on feature extraction of the spectral curve using fractal analysis which considering both the spatial characteristic and spectral characteristic of hyper spe...
THE EFFECT OF SPECKLE REDUCTION ON COHERENCE ESTIMATION AND INTERFEROMETRIC PHASE OF INSAR
SPECKLE REDUCTION COHERENCE ESTIMATION INTERFEROMETRIC PHASE OF INSAR
2015/12/30
Synthetic aperture radar (SAR) images always suffer from strongly speckle noise, which is a great obstacle to coherence (or correlation coefficient) estimation and interferometric phase, furthermore h...
REDUCTION OF ATMOSPHERIC WATER VAPOUR EFFECTS ON ENVISAT ASAR INTERFEROGRAMS USING MERIS NEAR IR MEASUREMENTS
SAR Change Detection Radar Integration Monitoring Mapping Surface Geodesy
2015/12/30
Atmospheric water vapour effects represent a major limitation of repeat-pass Interferometric SAR (InSAR) techniques including InSAR time series approaches (e.g. permanent scatterers (PS) and small bas...
STUDY ON METHODS OF NOISE REDUCTION IN A STRIPPED IMAGE
Stripped Noise Image Processing Frequency Spectrum MSE PSNR
2015/12/23
Noise is an important factor that influences image quality， which is mainly produced in the processes of image acquirement and transmission. Noise reduction is necessary for us to do image processing ...
Automated Noise Reduction in HRSC Mars DTMs
Extra-terrestrial Mapping DTM Surface Matching Geology Noise Detection
2015/12/17
Since the European Space Agency Mars Express spacecraft entered an orbit around Mars, the High Resolution Stereo Camera (HRSC) placed onboard has been imaging the Martian surface. Due to the character...
Multipath Reduction on Repetition in Time Series from the Permanent GPS Phase Residuals
Spatial Information Sciences Geodesy Navigation Prediction GPS
2015/12/17
In this research, the newly developed Hilbert Huang Transformation method is applied to decompose the time-shifted post-fit GPS phase signal residuals into a range of fluctuating components from high-...