搜索结果: 1-14 共查到“测绘科学技术 Mechanism”相关记录14条 . 查询时间(0.04 秒)
VISA: AN AUTOMATIC AWARE AND VISUAL AIDS MECHANISM FOR IMPROVING THE CORRECT USE OF GEOSPATIAL DATA
Interface design Visualization Metadata
2016/7/8
With the fast growth of internet-based sharing mechanism and OpenGIS technology, users nowadays enjoy the luxury to quickly locate and access a variety of geospatial data for the tasks at hands. While...
CHANGE MECHANISM ANALYSIS AND INTEGRATION CHANGE DETECTION METHOD ON SAR IMAGES
SAR Image Change Mechanism Integration Change Detection Method Change Type Grey Difference Method Correlation Coefficient Method Texture Feature Difference Method
2016/1/3
Synthetic aperture radar (SAR) image change detection is a very complex problem like SAR imaging mechanism. Every change detection method has its advantage and disadvantage, and there are no optimal c...
Remote Sensing Investigation and Mechanism Research of Tiantai Landslide in Sichuan Province
Remote Sensing Engineering Landslides Application
2015/12/18
The large rainstorm happened on Sep. 3, 2004 at Tiantai village of Xuanhan County, Sichuan province, which lead to a oversize landslide. The foreside of landslide slid into the Qian river and formed a...
Construction of Grid-Based Monitoring Mechanism for Slopeland
Geographical Information Science Data Management Image Understanding
2015/12/18
Owing to the rapid developments in the filed of Geographic Information Systems and Remote Sensing techniques, it has been widely available from various images sources to identify ground changes inform...
A Study on Ontology-Driven Geo-Information Retrieval Mechanism in the Semantic Web
Semantic Web Geo-Ontolog Intelligent Search Engine Semantic Web Services
2015/12/2
Firstly, this paper expounded that the traditional searching based on keywords has a severe deficiency on Recall and Precision because the computer can’t understand what information mean efficiently. ...
Monitoring Mechanism in Preservation of Monuments in Hot and Wet Climate Area
Preservation monitoring impact factors of environment preservation objects
2015/9/11
Historic monuments and buildings are critical cultural assets which cannot be presented by again by human beings. Longer affected
by natural climate, environment and biological behavior (including hu...
A Research of Construction Mechanism of Vassal State’s City Group during Spring and Autumn Period Based on the Analyzation of Geographic Image – Take south region of Shandong as example
Urban History of China City group Construction mechanism
2015/9/11
Spring and Autumn period, the vassal states began to carry out country defense construction actively, brought changes to building
the ideological. At that time, the south region of Shandong, as an in...
SPATIOTEMPORAL INDEXING MECHANISM BASED ON SNAPSHOT-INCREMENT
Version Increment Index Mechanism Spatio-Temporal Model
2015/8/10
Spatio-temporal index is one of the key technologies applied to spatio-temporal database engines. Methods for spatio-temporal indexes which consider efficiency of both temporal queries and spatial que...
MECHANISM AND METHODS OF FUZZY GEOGRAPHICAL OBJECT MODELING
Fuzzy Logic Modeling Geometry Databases Design GIS
2015/8/10
Fuzziness is an important aspect of the uncertainties of spatial data. In this paper, the mechanism and methods of spatial modeling for fuzzy geographical objects are focused and the following two iss...
Based on asynchronous communication protocol of geographic space information service access mechanism research
Geographic spatial information services Asynchronous transmission mechanism Location service
2014/7/23
At present, the traditional way of accessing to classified network in geographic spatial information services is using network gatekeeper and firewall etc. to ensure public and classified network comm...
A PRELIMINARY STUDY ON MECHANISM OF LAI INVERSION SATURATION
Leaf area index saturation vegetation index PROSAIL MIMICS
2014/4/25
Many parameters, such as albedo, vegetation index and leaf area index (LAI) inversed from satellite images, often get saturated when the surface vegetation cover reaches a certain high level. In order...
A BOTTOM-UP GEOSPTIAL DATA UPDATE MECHANISM FOR SPATIAL DATA INFRASTRUCTURE UPDATING
: Geography Vector Integration Matching
2014/4/28
Currently, the top-down spatial data update mechanism has made a big progress and it is wildly applied in many SDI (spatial data
infrastructure). However, this mechanism still has some issues. For e...
SECOND GENERATION MOSAIC:A NOVEL MECHANISM BASED ON REFERENCE DATABASE FOR MAP UPDATING
Map Updating Mosaic Parallel Processing Orthoimage Mosaic
2014/5/8
A totally new automatic workflow mechanism, named Second generation Mosaic module, based on the well-known Pixel Factory
system, will be introduced here, which enables existing digital orthoimages a...
A Mechanism of Initiative Transmission to Send Message on WEBGIS
WEBGIS message lnitiative transmission
2013/3/5
The paper researched and realized the initiative message transmission mechanism of WEBGIS server based on the N layer architecture of Internet. According to WEBGIS application long business operation ...