搜索结果: 1-12 共查到“遥感信息工程 Positioning”相关记录12条 . 查询时间(0.046 秒)
THE EFFECT OF SOUND WAVE BENDING ON UNDERWATER ACOUSTIC POSITIONING ACCURACY
Underwater Acoustic Positioning System Sound Speed Sound Wave Bending Positioning Accuracy
2016/3/17
Underwater acoustic positioning system solves the problem of how to position and navigate object underwater. Therefore, it can help people to locate the area of disaster to search and succor. But, bec...
SAMPLING METHODS USING REMOTE SENSING AND GLOBAL POSITIONING SYSTEM FOR CROP ACREAGE ESTIMATION AT-NATIONAL SCALE IN CHINA
Sampling Sampling unit Stratified sampling RS GPS Agricultural condition Acreage
2016/1/3
Sampling methods have to be applied in agricultural condition monitoring at national scale. When selecting sampling methods, more attention needs to be paid not only to objects monitored, but also to ...
SINGLE-TREE FOREST INVENTORY USING LIDAR AND AERIAL IMAGES FOR 3D TREETOP POSITIONING,SPECIES RECOGNITION,HEIGHT AND CROWN WIDTH ESTIMATION
Allometry Modeling Mapping Sampling Photo-plot Calibration Multi-Scale Matching Template
2015/11/10
An entire single-tree remote sensing (STRS) system was developed and tested in an inventory of timber resources of a 56.8-hectare forest. A semi-automatic approach with operator intervention is used i...
3D TREETOP POSITIONING BY MULTIPLE IMAGE MATCHING OF AERIAL IMAGES IN A 3D SEARCH VOLUME BOUNDED BY LIDAR SURFACE MODELS
Forest Inventory Remote Sensing Single Tree Mapping Height Estimation Allometric Modelling
2015/8/31
This paper presents a method for semi-automatic 3D positioning of tree tops that can be used for obtaining tree maps of the photovisible trees and tree heights. Such spatio-temporal, detailed informat...
3D TREETOP POSITIONING BY MULTIPLE IMAGE MATCHING OF AERIAL IMAGES IN A 3D SEARCH VOLUME BOUNDED BY LIDAR SURFACE MODELS
Forest Inventory Remote Sensing Single Tree Mapping Height Estimation Allometric Modelling
2015/8/28
This paper presents a method for semi-automatic 3D positioning of tree tops that can be used for obtaining tree maps of the photovisible trees and tree heights. Such spatio-temporal, detailed informat...
THE PRACTICE RESEARCH Of IKONOS-2 POSITIONING AND ITS ACCURACY IN TIBET OF P. R. CHINA
Research Ikonos-2 Satellite Imagery High Resolution Accuracy Analysis Spatial Information Sciences
2015/7/30
Tibet is located in the Qinghai-Tibet high plateau in the west of P. R China. In Tibet, the altitude is very high, the weather is
extremely bad and few people live there. Especially in the Himalayas...
SIMULATE APPROACH FOR SEVERAL REMOTE SENSING IMAGES’ POSITIONING WITH GPS DATA AND FEW GCPS
Photogrammetry Remote Sensing GPS Triangulation Orientation Accuracy
2015/5/27
With satellites’position, the main factors affecting image’s positioning accuracy are image’s attitudes. Supposing that satellites’position can be determined by GPS, images’positioning without GCP can...
A NEW UBIQUITOUS-BASED INDOOR POSITIONING SYSTEM WITH MINIMUM EXTRA HARDWARE USING SMART PHONES
Ubiquitous computing Indoor positioning system Smart phone Sensor Accelerometer Gyroscope
2014/12/1
Knowing the position has been an ambition in many areas such as science, military, business, etc. GPS was the realization of this wish in 1970s. Technological advances such as ubiquitous computing, as...
THE PERFORMANCE ANALYSIS OF AN AKF BASED TIGHTLY-COUPLED INS/GPS INTEGRATED POSITIONING AND ORIENTATION SCHEME WITH ODOMETER AND NON-HOLONOMIC CONSTRAINTS
INS GPS Tightly-coupled AKF non-holonomic constraints
2014/4/29
INS/GPS integration scheme can overcome the shortcoming of GPS or INS alone to provide superior performance, thus this study implements a tightly-coupled INS/GPS integration scheme using AKF as the co...
SPACEBORNE SAR IMAGERY STEREO POSITIONING BASED ON RANGE-COPLANARITY EQUATION
rigorous positioning side looking radar R-Cp equation exterior orientation elements SAR
2014/4/29
Stereo positioning is a important content for Spaceborne SAR imagery mapping, which is still lack of investigation depend on exterior orientation elements. In this paper, we firstly introduced the Ran...
THE METHOD TO OBTAIN POSITION USING GNSS AND RFID FOR REALIZATION OF INDOOR AND OUTDOOR SEAMLESS POSITIONING
Satellite Accuracy GIS Measurement Spatial Infrastructures
2014/4/28
To obtain indoor positioning by using GPS (GNSS) satellite is difficult now. Additionally it is difficult to obtain high accuracy
outdoor position when GPS receiver cannot find four or more GPS sate...
TESTING goGPS LOW-COST RTK POSITIONING WITH A WEB-BASED TRACK LOG MANAGEMENT SYSTEM
Web based Cooperation Software GPS/INS Accuracy,Real-time
2014/6/12
Location-based online collaborative platforms are proving to be an effective and widely adopted solution for geospatial data collection, update and sharing. Popular collaborative proje...