搜索结果: 1-12 共查到“测绘科学技术 roughness”相关记录12条 . 查询时间(0.062 秒)
AN AUTOMATED ROAD ROUGHNESS DETECTION FROM MOBILE LASER SCANNING DATA
Mobile Laser Scanning Roughness Intensity Threshold Filtering
2017/7/12
Rough roads influence the safety of the road users as accident rate increases with increasing unevenness of the road surface. Road roughness regions are required to be efficiently detected and located...
USING MULTI-DIMENSIONAL MICROWAVE REMOTE SENSING INFORMATION FOR THE RETRIEVAL OF SOIL SURFACE ROUGHNESS
Radar SAR PolSAR Soil Surface Roughness airborne in-field measurements
2016/12/1
In this Paper the potential of multi parametric polarimetric SAR (PolSAR) data for soil surface roughness estimation is investigated and its potential for hydrological modeling is evaluated. The study...
ANALYSIS OF INFLUENCE OF TERRAIN RELIEF ROUGHNESS ON DEM ACCURACY GENERATED FROM LIDAR IN THE CZECH REPUBLIC TERRITORY
DEM LIDAR ALS Accuracy Micro-relief Terrain slope Terrain roughness
2016/11/8
Digital elevation models are today a common part of geographic information systems and derived applications. The way of their creation is varied. It depends on the extent of area, required accuracy, d...
EVALUATION OF WAVELET AND NON-LOCAL MEAN DENOISING OF TERRESTRIAL LASER SCANNING DATA FOR SMALL-SCALE JOINT ROUGHNESS ESTIMATION
terrestrial laser scanning range noise data resolution joint roughness wavelet transform non-local mean denoising performance
2016/7/27
Terrestrial Laser Scanning (TLS) is a well-known remote sensing tool that enables precise 3D acquisition of surface morphology from distances of a few meters to a few kilometres. The morphological rep...
EVALUATION OF BIOLOGICAL FILMS TO SEA SURFACE ROUGHNESS OBSERVED BY SAR
SAR Ocean color Surface wind Surface roughness Biological activity
2015/12/28
The images of the sea surface roughness observed by PALSAR on ALOS over the Philippine Archipelagos were studied with other opportunities of satellite observations including MODIS and other measuremen...
Floodplain roughness mapping synergy: lidar and spectral remote sensing
Roughness mapping data fusion multispectral data
2015/8/21
Floodplain roughness parameterization is one of the key elements of hydrodynamic modeling of river flow, which is directly linked
to safety level estimation of lowland fluvial areas. Necessary input ...
THE USE OF PHOTOGRAMMETRY AND LIDAR FOR LANDSCAPE ROUGHNESS ESTIMATION IN HYDRODYNAMIC STUDIES
Photogrammetry Remote Sensing Environment
2015/6/2
Flooding is a major problem for many countries causing damage to the environment and pressures on human activity. Engineers use
Manning’s coefficient of roughness to determine water flow over floodp...
DISCONTINUITY SURFACE ROUGHNESS MEASUREMENT TECHNIQUES AND THE EVALUATION OF DIGITAL PHOTOGRAMMETRIC METHOD
Joint surface roughness Roughness measurement techniques
2015/6/1
The development of the knowledge from classical photogrammetry to digital photogrammetry is provided simplicity on the works
carried out either on the field or on the laboratory. As a result of this...
ANALYSIS OF X-BAND POLARIMETRIC SAR DATA FOR THE DERIVATION OF THE SURFACE ROUGHNESS OVER BARE AGRICULTURAL FIELDS
Remote Sensing SAR Soil Land Cover Land Use Agriculture
2015/5/29
We investigated the potential of fully polarimetric data in X-band to discriminate the principal surface types present in a study site near Avignon in France: bare soils, agricultural fields, orchards...
MEASURING RIVER-BED AND FLUME MORPHOLOGY AND PARAMETERISING BED ROUGHNESS WITH A KODAK DCS460 DIGITAL CAMERA
DEM generation automation accuracy surface representation
2015/2/3
Hydraulic engineers and fluvial geomorphologists need to understand how moving water flows over stream beds, and results in sediment transport. One critical aspect that is becoming increasingly import...
MULTIDIMENSIONAL ROUGHNESS CHARACTERIZATION FOR MICROWAVE REMOTE SENSING APPLICATIONS USING A SIMPLE PHOTOGRAMMETRIC ACQUISITION SYSTEM
Soil Surface Roughness Photogrammetry SAR Directional Scattering Detrending Statistics
2014/4/28
Soil surface roughness, as investigated in this study, is a critical parameter in microwave remote sensing. As soil surface roughness is treated as a stationary single scale isotropic process in most ...
TOPOGRAPHIC LOCAL ROUGHNESS EXTRACTION AND CALIBRATION OVER MARTIAN SURFACE BY VERY HIGH RESOLUTION STEREO ANALYSIS AND MULTI SENSOR DATA FUSION
Stereoscopic planetary Extraterrestrial Surface Three dimensional Extraction
2014/5/8
The planetary topography has been the main focus of the in-orbital remote sensing. In spite of the recent development in active and
passive sensing technologies to reconstruct three dimensional plan...