搜索结果: 1-15 共查到“测绘科学技术 Methods”相关记录183条 . 查询时间(0.359 秒)
DEFINING GEOSPATIAL DATA FUSION METHODS BASED ON TOPOLOGICAL RELATIONSHIPS
Geospatial Data Fusion Topological Data Model 3D GIS Anchor Node IndoorGML
2018/11/9
Currently, geospatial datasets are produced in various models and formats in accordance with the spatial scale of the real world such as ground/ surface/underground or indoor/outdoor. The location-bas...
NOVEL HYPERSPECTRAL ANOMALY DETECTION METHODS BASED ON UNSUPERVISED NEAREST REGULARIZED SUBSPACE
Anomaly detection Hyperspectral imagery Unsupervised nearest regularized subspace Outlier Removal Local summation Dual-window sliding
2018/5/14
Anomaly detection has been of great interest in hyperspectral imagery analysis. Most conventional anomaly detectors merely take advantage of spectral and spatial information within neighboring pixels....
SYNERGISTIC EXPLOITATION OF GEOINFORMATION METHODS FOR POST-EARTHQUAKE 3D MAPPING OF VRISA TRADITIONAL SETTLEMENT, LESVOS ISLAND, GREECE
Post-earthquake 3D mapping Lesvos earthquake UAV Laser Scanning SfM method
2018/4/18
The aim of this paper is to present the methodology followed and the results obtained by the synergistic exploitation of geo-information methods towards 3D mapping of the impact of the catastrophic ea...
SYNERGISTIC EXPLOITATION OF GEOINFORMATION METHODS FOR POST-EARTHQUAKE 3D MAPPING OF VRISA TRADITIONAL SETTLEMENT, LESVOS ISLAND, GREECE
Post-earthquake 3D mapping Lesvos earthquake UAV, Laser Scanning SfM method
2018/5/8
The aim of this paper is to present the methodology followed and the results obtained by the synergistic exploitation of geo-information methods towards 3D mapping of the impact of the catastrophic ea...
2017大数据时代的SAR：模型，方法和应用研讨会（SAR in Big Data Era: Models, Methods and Applications）
2017 大数据时代 SAR 模型 方法 应用 研讨会
2017/9/22
During the last decade a series of SAR satellites has been launched, including Chinese Gaofen-3, providing great amount of SAR data with varied modes to meet the varieties of applications. It becomes ...
2017 Workshop on SAR in Big Data Era:Models,Methods and Applications
2017 Workshop SAR in Big Data Era Models,Methods and Applications
2017/8/31
During the last decade a series of SAR satellites has been launched, including Chinese Gaofen-3, providing great amount of SAR data with varied modes to meet the varieties of applications. It becomes ...
THE EFFECT OF IMAGE ENHANCEMENT METHODS DURING FEATURE DETECTION AND MATCHING OF THERMAL IMAGES
Feature Detection Feature Extraction Thermal Image Matching Photogrammetry Image Processing
2017/7/13
A successful image matching is essential to provide an automatic photogrammetric process accurately. Feature detection, extraction and matching algorithms have performed on the high resolution images ...
BEYOND POINT CLOUDS AND VIRTUAL REALITY. INNOVATIVE METHODS AND TECHNOLOGIES FOR THE PROTECTION AND PROMOTION OF CULTURAL HERITAGE
Laser scanner reverse modelling advanced 3D BIM
2017/6/20
The morphometric and photogrammetric knowledge, combined with the historical research, are the indispensable prerequisites for the protection and enhancement of historical, architectural and cultural ...
SHAPE AND CONSTRUCTION OF BRICK VAULTS. CRITERIA, METHODS AND TOOLS FOR A POSSIBLE CATALOGUE
Built heritage cloister vaults laser scanning photogrammetry thermographic investigations
2017/6/20
The use of cloister vaults in the construction of noble buildings, as covering elements for square or rectangular rooms, is widespread and well-known. The geometric continuity at the intrados makes ge...
CLASSIFICATION OF LISS IV IMAGERY USING DECISION TREE METHODS
Crop Vegetation Indices Texture Decision Tree Classification LISS IV
2016/12/1
Image classification is a compulsory step in any remote sensing research. Classification uses the spectral information represented by the digital numbers in one or more spectral bands and attempts to ...
ACCURACY ASSESSMENT OF CROWN DELINEATION METHODS FOR THE INDIVIDUAL TREES USING LIDAR DATA
Forest Canopy LiDAR Pit-free Stand-level
2016/11/30
Forest canopy density and height are used as variables in a number of environmental applications, including the estimation of biomass, forest extent and condition, and biodiversity. The airborne Light...
UPDATING NATIONAL TOPOGRAPHIC DATA BASE USING CHANGE DETECTION METHODS
NTDB (National topographic data base) Segmentation Classification DSM DTM
2016/11/23
The traditional method for updating a topographic database on a national scale is a complex process that requires human resources, time and the development of specialized procedures. In many National ...
COMPARISON OF PIXEL-BASED AND OBJECT-ORIENTED LAND COVER CHANGE DETECTION METHODS
Land Cover Change Detection Pixel-based Segmentation scale Object-oriented 30m resolution
2016/11/23
Change detection method is an efficient way in the aim of land cover product updating on the basis of the existing products, and at the same time saving lots of cost and time. Considering the object-o...
BENCHMARK OF MACHINE LEARNING METHODS FOR CLASSIFICATION OF A SENTINEL-2 IMAGE
Machine learning Sentinel-2 Remote sensing Neural nets Agriculture Land cover Classification
2016/11/23
Thanks to mainly ESA and USGS, a large bulk of free images of the Earth is readily available nowadays. One of the main goals of remote sensing is to label images according to a set of semantic categor...
EVALUATING THE INITIALIZATION METHODS OF WAVELET NETWORKS FOR HYPERSPECTRAL IMAGE CLASSIFICATION
Hyperspectral Classification Wavelet Neural Networks Wavelet Networks Initialization
2016/11/23
The idea of using artificial neural network has been proven useful for hyperspectral image classification. However, the high dimensionality of hyperspectral images usually leads to the failure of cons...