搜索结果: 1-15 共查到“摄影测量与遥感技术 altitude”相关记录21条 . 查询时间(0.25 秒)
RESEARCH ON THE KEY TECHNOLOGY OF LARGE SCALE MAPPING FROM LOW ALTITUDE PHOTOGRAMMETRY
Large-scale Photogrammetry Wide-angle Camera Elevation Accuracy Low Altitude Photogrammetry Production Process Low Altitude Photogrammetric DLG Production Multi-center Image Projection Reconstruction
2016/7/5
Based on the theoretic analysis of the accuracy in large scale photogrammetric mapping, some defects in traditional procedure were discussed. A set of key technologies dedicate to accuracy improvement...
NOVEL APPROACH FOR ESTIMATING NITROGEN CONTENT IN PADDY FIELDS USING LOW ALTITUDE REMOTE SENSING SYSTEM
Low altitude remote sensing Unmanned aerial vehicle Rice Vegetation index Nitrogen
2016/7/5
Concerns over the use of nitrogen have been increasing due to the high cost of fertilizers and environmental pollutions caused by excess nitrogen application in agricultural fields. Several methods ar...
LOW-ALTITUDE UNMANNED AIRSHIP PHOTOGRAMMETRY SYSTEM
Unmanned airship Combined wide-angle low attitude camera low-altitude photogrammetry
2016/3/17
Constrained by the satellites orbits, Satellite Remote Sensing is difficult to achieve timeliness requirements. General aerial manned aircraft Remote Sensing is always delayed by the bad weather.Compa...
Photogrammetric Processing of Low Altitude Image Sequences by Unmanned Airship
Image Sequence Close Range Photogrammetry Matching,
2015/12/17
Low altitude aerial image sequences have the advantages of high overlap, multi viewing and very high ground resolution. These
kinds of images can be used in various applications that need high precis...
A Contrast among Experiments in Three Low-altitude Unmanned Aerial Vehicles Photography: Security, Quality & Efficiency
Low altitude Aerial photography Photogrammetry Unmanned helicopter
2015/11/24
At present, the vast majority of photographic measurement units are in a state of "measuring" instead of "photographing". In order to combine "photographing" with "measuring" more closely, an engineer...
Actualize of Low Altitude Large Scale Aerophotography and Geodesic base on Fixed-Wing Unmanned Aerial Vehicle Platform
System Integration Aerial Photogrammetry Digital Orthophoto Orthophoto Mapping Aerial Triangulation
2015/11/23
This paper introduces the key technologies and methods of establishing the aerial photogrammetric system using Unmanned Aerial Vehicles (UVA) photogrammetry technique for satisfying the increasing nee...
Design and Actualization of the Aerial Photogrammetric System of the Low Altitude Unmanned Biplane
Autonomous Navigation Aerial Photography Non-Metric Digital Camera Calibration
2015/11/23
This paper designs and actualizes independently a set of the aerial photogrammetric system by the low altitude unmanned biplane for satisfying with the request of three-dimensional stereoplotting and ...
ASSESSMENT OF LIDAR-DERIVED TREE HEIGHTS ESTIMATED FROM DIFFERENT FLIGHT ALTITUDE DATA IN MOUNTAINOUS FORESTS WITH POOR LASER PENETRATION RATES
Forestry Remote Sensing LIDAR Laser scanning DEM/DTM
2015/11/10
In this study, the effects of different flight altitudes on tree height estimates with a small-footprint scanning lidar were investigated and assessed in mountainous forests with poor laser penetratio...
SPATIAL VARIABILITY AND ALTITUDE EFFECTS OF PASSIVE CHLOROPHYLL FLUORESCENCE MEASUREMENTS OVER LA MANCHA (SPAIN) FIELDS
Spatial Variability Altitude effects
2015/9/9
AIRFLEX is an optical sensor based on the Fraunhofer Line Discriminator principle applied
in the atmospheric oxygen absorption bands, that measures simultaneously fluorescence at
687 nm and 760 nm. ...
Strategic research agenda for high-altitude aircraft and airship remote sensing applications
high-altitude aircraft high-altitude airships remote sensing
2015/9/2
This contribution addresses the remote sensing chapter of the USE HAAS Study, a Specific Support Action of the European Union
Sixth Framework Program, aiming at producing a Strategic Research Agenda ...
Regional monitoring of tropospheric NO2 and CO using Remote Sensing from High Altitude Platforms - preliminary concepts
Atmosphere Tropospheric Pollution Monitoring Carbon Monoxide
2015/9/2
The study of human emissions in the atmosphere and their influence on air quality and climate change is a major scientific issue in
today’s atmospheric research. Unmanned Aerial Vehicles (UAV) can be...
SEMI-ORTHOPHOTOMAPS BY LANDSAT RBV CAMERA IMAGERY AND HIGH ALTITUDE PHOTOGRAPHS
SEMI-ORTHOPHOTO MAPS LANDSAT RBV CAMERA IMAGERY HIGH ALTITUDE PHOTOGRAPHS
2015/1/4
SEMI-ORTHOPHOTOMAPS BY LANDSAT RBV CAMERA IMAGERY AND HIGH ALTITUDE PHOTOGRAPHS.
FUNDAMENTAL STUDY ON REAL TIME MEASUREMENT OF ALTITUDE DATA WITH ACCELEROMETER AND VEHICLE SPEED SENSOR
Inertial navigation system Accelerometer Vehicle speed sensor Altitude Platform Mobile
2014/12/29
The background of this research is in the easy measurement of the difference of elevation of the surface of the earth in the developing countries. The leveling is being measured by generally using the...
Lidar Studies on The Optical Characteristics of High Altitude Cirrus Clouds at A Low Latitiude Station, Gadanki (13.5°N , 79.2°E ) India
Lidar Cirrus Clouds Optical Depth Lidar ratio Depolarization
2014/12/15
Light Detection and Ranging (LIDAR) which is analogous to Radio Detection And Ranging (RADAR), has become an important and unique technology for atmospheric research and applications. The technology i...
AUTOMATIC DETECTION OF STORM DAMAGES USING HIGH-ALTITUDE PHOTOGRAMMETRIC IMAGING
Change Detection Hazards DSM Image Matching Forestry Photogrammetry
2014/4/24
The risks of storms that cause damage in forests are increasing due to climate change. Quickly detecting fallen trees, assessing the amount of fallen trees and efficiently collecting them are of great...