搜索结果: 1-12 共查到“测绘科学技术 Large area”相关记录12条 . 查询时间(0.265 秒)
Practial Application of Multiple Pulse in Air (MPiA) LIDAR in Large Area Surveys
LIDAR Surveying Technology Acquisition Calibration Accuracy Project
2015/11/20
Multiple Pulses in Air Technology, or MPiA, is a new technology allowing airborne LIDAR systems to be used at higher pulse rates than previously possible. By allowing the airborne LIDAR system to fire...
OPERATIONAL APPLICATION OF THE LANDSAT TIMESERIES TO ADDRESS LARGE AREA LANDCOVER UNDERSTANDING
Landsat Timeseries Big data frameworks Big data processing Vegetation
2015/9/21
State Government agencies in northern and eastern Australia and the University of Queensland, Brisbane, have been collaborating through the Joint Remote Sensing Research Program (JRSRP). This has resu...
LARGE AREA QUICKBIRD IMAGERY FOR OBJECT-BASED IMAGE ANALYSIS IN WESTERN KENYA: PRE-PROCESSING DIFFICULTIES, WORKAROUNDS AND RESULTING BENEFITS AS WELL AS (FIRST) SEGMENTATION STRATEGIES
QuickBird satellite imagery large area coverage Kakamega Forest atmospheric/orographic correction mosaicing object-based segmentation and classification
2015/8/19
QuickBird imagery covering Kakamega Forest in Western Kenya and the surrounding farmland (i.e. a total area of 631 km2) has been acquired for the interdisciplinary BIOTA East Africa research project. ...
This paper presents a general architecture of the large-area terrain simulation system based on a single processor PC. It provides
methods of modeling, management and dynamic scheduling for large-are...
An automatic high precision registration method between large area aerial images and aerial light detection and ranging data
Aerial images aerial light detection and ranging data image matching point cloud aerotriangulation single image spatial resection registration
2015/7/27
The integration of digital aerial photogrammetry and Light Detetion And Ranging (LiDAR) is an inevitable trend in Surveying and Mapping field. We calculate the external orientation elements of images ...
Height information is a basic part of topographic mapping. Only in special areas frequent update of height models is required, usually the update cycle is quite lower as for horizontal map information...
CHARACTERISTICS AND ACCURACY OF LARGE AREA COVERING HEIGHT MODELS
DHM satellite imagery InSAR analysis
2014/4/24
Large area covering height models are dominantly based on optical and synthetic aperture radar (SAR) space imagery. The vertical accuracy of individual object points determined by automatic matching o...
LARGE AREA LAND COVER CLASSIFICATION WITH LANDSAT ETM+ IMAGES BASED ON DECISION TREE
land cover classification decision tree C5.0 MLC
2014/4/29
Traditional land classification techniques for large areas that use LANDSAT TM imagery are typically limited to the fixed spatial resolution of the sensors. For modeling habitat characteristics is oft...
A WORK-FLOW DESIGN FOR LARGE-AREA MULTILEVEL GEOBIA: INTEGRATING STATISTICAL MEASURES AND EXPERT KNOWLEDGE
expert knowledge trial-and-error statistical optimization approaches classification process classification stages and tasks
2014/6/12
In GEOBIA some researchers concentrate on statistical optimization procedures such as the optimization of segmentation parameters or the selection of features suitable for class descriptions while oth...
A GEOBIA APPROACH TO ESTIMATE LARGE AREA FOREST CANOPY HEIGHT USING LIDAR TRANSECTS AND QUICKBIRD IMAGERY
GEOBIA Canopy height Lidar transect Machine learning Forest
2014/6/12
Numerous applications of small footprint airborne lidar (light detection and ranging) have provided highly accurate results for estimating forest height. However, the associated ...
Sampling Methods for Validation of Large Area Land Cover Mapping
stratified random sampling simple random sampling training data error matrix
2009/3/19
Validation is an important step of land cover mapping. To find a better sampling method for validation, stratified random sampling, simple random sampling, and use of training data for validation were...
A Study of Vegetable Harvest Forecasting Information Provided by Satellite Observation Data in the Large-area Production District
cabbage field growing model SPOT NDVI profile forecasting harvest
2009/3/18
In order to grasp the balance between supply and demands of vegetables such as cabbage, lettuce and Chinese cabbage which are produced on a large scale, forecast of their harvest time and area is a pr...