搜索结果: 1-15 共查到“测绘科学技术 An empirical”相关记录16条 . 查询时间(0.14 秒)
IMPROVING UNDERWATER ACCURACY BY EMPIRICAL WEIGHTING OF IMAGE OBSERVATIONS
underwater photogrammetry, image quality, bundle adjustment, image observation weighting
2018/6/4
An underwater imaging system with camera and lens behind a flat port does not behave as a standard pinhole camera with additional parameters. Indeed, whenever the entrance pupil of the lens is not in ...
An Empirical Model for Orientation of ALOS-PRISM Images of Level 1-B2
Three-Line scanner Sensor model Orientation Ground Control Accuracy
2016/1/25
The Japanese satellite ALOS incorporates the PRISM sensor, dedicated to high resolution stereo imaging. It has a potential to derive
elevation data compatible with medium scale topographic mapping sc...
3d physical vs empirical models for stereo-processing hr images: examples with ikonos and quickbird
Photogrammetry Ikonos QuickBird Stereoscopic DEM/DTM Accuracy
2015/9/1
Elevations for digital surface model (DSM) generation were extracted from different stereo high-resolution (HR) imag...
theoretical and empirical evaluation of geometric performance of multi-head large format photogrammetric sensors
Accuracy Calibration Camera Distortion Geometric Orientation Simulation
2015/9/1
The geometric performance of large format multi-head photogrammetric sensors, Intergraph DMC and Vexcel UltraCamD, was evaluated theoretically and empirically. Theoretical point determination accuracy...
A SEMI AUTOMATED EMPIRICAL MODEL FOR ESTIMATION OF CH4 EMISSION USING COARSE RESOLUTION THERMAL DATA
Land Surface Temperature NDVI
2015/8/28
Concentration of atmospheric methane is considered to have a significant effect on climate because of its GWP (Global Warming
Potential), which is 21 times of CO2. Methane is generated by the process...
A FRAMEWORK FOR MAINTAINING A MULTI-USER GEODATABASE: AN EMPIRICAL EXAMPLE
Database GIS Versioning Infrastructure Updating
2015/6/1
Utility companies often collect a vast amount of geospatial data to support ongoing operations. Storing the datasets within a corporate database management system and using GIS technology to manage ge...
AN EMPIRICAL EVALUATION OF HEDONIC REGRESSION MODELS
AN EMPIRICAL EVALUATION HEDONIC REGRESSION MODELS
2015/3/16
AN EMPIRICAL EVALUATION OF HEDONIC REGRESSION MODELS.
EMPIRICAL DISTRIBUTIONS OF LANDSCAPE PATTERN INDICES AS FUNCTIONS OF CLASSIFIED IMAGES COMPOSITION AND SPATIAL STRUCTURE
Autocorrelation class proportion confidence interval srochastic simulation
2015/3/13
EMPIRICAL DISTRIBUTIONS OF LANDSCAPE PATTERN INDICES AS FUNCTIONS OF CLASSIFIED IMAGES COMPOSITION AND SPATIAL STRUCTURE.
EMPIRICAL ESTIMATION OF VEGETATION PARAMETERS USING MULTISENSOR DATA FUSION
Agriculture Data fusion Multi-sensor Land use Land cover GIS
2015/2/3
To estimate parameters of large-scale vegetation heterogeneity for the determination of soil heterogeneity a method based
on fusion of multisensor image and pointwise ground-truth data is proposed. R...
A SEMI-EMPIRICAL APPROACH FOR ESTIMATING PLANT PARAMETERS WITHIN THE RESEDA-PROJECT
Multi-spectral data Multi-temporal Modelling Monitoring Agriculture
2015/2/3
Monitoring the growth of agricultural crops during the whole growing season is important for observing anomalies in growth and development in order to be able (1) to adjust the growth of the crops, an...
FEATURE EVALUATION FOR BUILDING FACADE IMAGES – AN EMPIRICAL STUDY
Feature evaluation random decision forest facade image
2014/4/28
The classification of building facade images is a challenging problem that receives a great deal of attention in the photogrammetry community. Image classification is critically dependent on the featu...
ATMOSPHERIC LIDAR NOISE REDUCTION BASED ON ENSEMBLE EMPIRICAL MODE DECOMPOSITION
LIDAR Analysis Algorithms Atmosphere Detection
2014/4/29
As an active remote sensing instrument, lidar provides a high spatial resolution vertical profile of aerosol optical properties. But the effective range and data reliability are often limited by vario...
EMPIRICAL ACCURACY ASSESSMENT OF MMS LASER POINT CLOUDS
Laser scanning Point Cloud Accuracy mobile Experiment
2014/4/28
This paper describes on the accuracy assessment for the Mobile Mapping System (MMS) point clouds and its practical experiments. In recent years 3D measurement technologies have advanced significantly....
An Empirical Investigation of Common Sense of Land Use from a Statistical Approach
Empirical Investigation Land Use Category Common Sense Ontology
2013/3/5
Recently, ontological study has been one of the key concerns of geographic information science, a number of studies have been conducted in both of philosophical and knowledge engineering approach. Som...
THE EUROSDR PROJECT “RADIOMETRIC ASPECTS OF DIGITAL PHOTOGRAMMETRIC IMAGES” – RESULTS OF THE EMPIRICAL PHASE
Atmospheric correction calibration radiometry resolution reflectance photogrammetry
2014/6/5
This article presents the empirical research carried out in the context of the multi-site EuroSDR project “Radiometric aspects of
digital photogrammetric images” and provides highlights of the resu...