搜索结果: 46-60 共查到“测绘科学技术 features”相关记录137条 . 查询时间(0.275 秒)
SEGMENTATION OF POLARIMETRIC SAR IMAGES USIG WAVELET TRANSFORMATION AND TEXTURE FEATURES
Segmentation Polarimetric Synthetic Aperture Radar (PolSAR) Wavelet Speckle Multiresolution Texture Feature
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2016/1/18
Polarimetric Synthetic Aperture Radar (PolSAR) sensors can collect useful observations from earth’s surfaces and phenomena for various remote sensing applications, such as land cover mapping, change a...
ASSESSMENT OF COMPLETENESS AND POSITIONAL ACCURACY OF LINEAR FEATURES IN VOLUNTEERED GEOGRAPHIC INFORMATION (VGI)
Volunteered Geographical Information Data Quality Quality Assessment Positional Accuracy completeness
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2016/1/15
Recent advances in spatial data collection technologies and online services dramatically increase the contribution of ordinary people to produce, share, and use geographic information. Collecting spat...
TOWARD SEMANTIC WEB INFRASTRUCTURE FOR SPATIAL FEATURES' INFORMATION
Semantic Web solution Dynamic Schema OSM storage and retrieval GeoSPARQL
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2016/1/15
The Web and its capabilities can be employed as a tool for data and information integration if comprehensive datasets and appropriate technologies and standards enable the web with interpretation and ...
Architectural Scene Rapid Reconstruction Based on Features
3D reconstruction feature matching differential evolution visualization robust estimation
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2015/12/9
Retrieve the structure of model and the motion of camera is a classical and hot topic in computer vision and photogrammetry. A lot of automatic or semiautomatic techniques have been developed to optim...
Selecting Appropriate Features for Detecting Buildings and Building Parts
Building Detection Classifi cation Feature Selection Stable Regions Adaboost
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2015/12/8
The paper addresses the problem of feature selection during classification of image regions within the context of interpreting images showing highly structured objects such as buildings. We pres...
An Algorithm of Straight Line Features Matching on Aerial Imagery
Photogrammetry Aerial Imagery Algorithms Feature Extraction Matching Straight Line Extracting
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2015/12/8
The paper presents a method of straight line feature matching on aerial imagery. In this method, many features such as geometrical features, physical features, as well as geometrical structure informa...
A WFS Based Geographical Features Service Approach for Internet GIS
Web GIS Online Map Web Service Web Feature Service GML
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2015/12/2
While Web Service based Web GIS architecture has undergone the significant development in recently decade years, most of them, for instance, Google Maps, Yahoo Maps and other online maps or web-based ...
DEM-based Investigation on Stream Network Nodes and Their Features
DEM Feature Distributed Hydrology Geomorphology
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2015/12/2
Surface runoff is one of dominant factors in hydrological environment, whose spatial pattern and hydrological feature represent the composite factors of its corresponding drainage. And the stream netw...
A Concept for Integrating Time-dependent Features in 3D Building Models
3D City Model Spatiotemporal Modelling CityGML Query Visualization
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2015/12/1
The 3D buildings change over the time not only geometrically, but also semantically. However, the current existing 3D city models are not able to represent the change information, because they are rec...
Aerial Triangulation of Digital Aerial Imagery Using Hybrid Features
Aerial photogrammetry Orientation Digital Bundle Adjustment Collinearity Feature
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2015/11/23
Exterior Orientation Parameters (EOPs) of imaging sensors are demanded in different mapping tasks such as orthophoto and DEM generation, 3D extraction and object reconstruction. Bundle adjustment is o...
Alternative Procedures for the Incorporation of LIDAR-Derived Linear and Areal Features for Photogrammetrec Geo-Referencing
Digital Photogrammetry Digital Orthophoto Aerial Photogrammetry Adjustment Land Use Mapping
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2015/11/20
The positional and spectral information in LiDAR and photogrammetric data are optimal for providing a complete description of 3D environments. However, the synergistic attributes of the LiDAR and phot...
Quickbird Imagery Processing For The Extraction Of Archaeological Features: Performance From Data Fusion Algorithms
Remote Sensing Archaeology QuickBird Satellite High resolution Multispectral
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2015/11/13
The application of data fusion techniques to very high resolution (VHR) satellite data can fruitfully improve the enhancement of archaeological marks and facilitate their detection. Nevertheless, the ...
Improving Satellite Quickbird-Based Identification Of Landscape Archaeological Features Through Principal Component Analysis And Tasseled Cap Transformation
Remote Sensing Archaeology QuickBird Satellite High resolution
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2015/11/12
In this paper, the Tasseled Cap Transformation (TCT) was applied to QuickBird multispectral images for extracting archaeological features linked to ancient human transformations of the landscape. The ...
WAVEFORM FEATURES FOR TREE IDENTIFICATION
Laser scanning Waveform Tree identification Close-range photogrammetry Trunk detection
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2015/11/10
Interest in full-waveform airborne laser scanning (ALS) data has significantly increased with the release of waveform digitizers by commercial vendors. Despite the recent widespread availability of fu...
REGISTRATION OF TERRESTRIAL LASER SCANS VIA IMAGE BASED FEATURES
Registration Feature Extraction Terrestrial Laser Scanner Point Cloud Algorithms
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2015/11/10
The complexity of natural scenes and the amount of information acquired by terrestrial laser scanners turns the registration among scans into a complex problem. This problem becomes even more complex ...