搜索结果: 1-15 共查到“摄影测量与遥感技术 filtering”相关记录26条 . 查询时间(0.101 秒)
MUTUAL COMPARATIVE FILTERING FOR CHANGE DETECTION IN VIDEOS WITH UNSTABLE ILLUMINATION CONDITIONS
Change detection moving object detection illumination changes mutual comparative filters
2016/7/27
In this paper we propose a new approach for change detection and moving objects detection in videos with unstable, abrupt illumination changes. This approach is based on mutual comparative filters and...
UNDERWATER 3D MODELING: IMAGE ENHANCEMENT AND POINT CLOUD FILTERING
Underwater Photogrammetry 3D Modeling Image Enhancement
2016/7/8
This paper examines the results of image enhancement and point cloud filtering on the visual and geometric quality of 3D models for the representation of underwater features. Specifically it evaluates...
CROWDSOURCING BIG TRACE DATA FILTERING: A PARTITION-AND-FILTER MODEL
Crowdsourcing traces Trace partitioning GPS trace filtering
2016/7/8
GPS traces collected via crowdsourcing way are low-cost and informative and being as a kind of new big data source for urban geographic information extraction. However, the precision of crowdsourcing ...
PERFORMANCE EVALUATION OF DIFFERENT GROUND FILTERING ALGORITHMS FOR UAV-BASED POINT CLOUDS
Point Cloud Ground Filtering Unmanned Aerial Vehicle Aerial Photo Digital Elevation Model Adaptive TIN
2016/7/4
Digital Elevation Model (DEM) generation is one of the leading application areas in geomatics. Since a DEM represents the bare earth surface, the very first step of generating a DEM is to separate the...
Inverse Calibration of LiDAR Filtering Parameters: UCODE_2005/GRASS Integration
LiDAR Filtering Calibration Accuracy GRASS UCODE
2016/1/25
The paper presents a procedure developed to calibrate the value of parameters used in algorithms that perform LiDAR’s data
filtering.
DETECTION AND INTERPRETATION OF GEOLOGICAL LINEAR FEATURES ON THE SATELLITE IMAGES BY USING GRADIENT FILTERING AND PRINCIPAL COMPONENT ANALYSIS
Geological Linear Feature Edge Detections Filtering Remote Sensing Landsat
2015/12/29
Digital image processing has the ability to detect geological linear features on the image by using some algorithms. The most common algorithm which is used for this purpose is edge filtering. Gradien...
LIDAR Filtering: Testing of an Automatic Procedure Developed in the Free Open Source GIS GRASS
Aerial Survey Feature Extraction Filtering LiDAR Spatial Planning
2015/12/16
The goal of this study was to analyze the filtering performance of LiDAR data of an algorithm implemented by our group of research. The algorithm is completely automatic and needs only the raw data cl...
Filtering LIDAR Points by Fusion of Intensity Measures and Aerial Images
LIDAR point data laser returns intensity aerial images returns filtering
2015/12/8
Laser return intensity, delivering the surface reflectivity information in the laser wavelength, is function of many variables and ignored in most application projects. However, by a process of SILC (...
HYPERSPECTRAL IMAGE FILTERING AND IMPLICATIONS FOR ENVIRONMENTAL SPECTRA RELATED TO MINING CONTAMINATION: EXAMPLE FROM S.DOMINGOS MINE, SE PORTUGAL
atmospheric components physical models
2015/9/8
The removal of atmospheric components, a key factor that controls all subsequent image processing, is
usually dealt through statistical or physical models. However, noise components may not be comple...
Enhanced filtering of modis time series data for the analysis of desertification processes in northeast brazil
land cover change detection algorithms
2015/8/20
Long time series of satellite data provide key input for geographically explicit monitoring and modelling of the environmental
condition in the context of land use and land cover change (LUCC) analys...
CLASSIFICAION ACCURACY OF WAVELET-BASED FUSION IMAGE WITH TEXTURE FILTERING USING HIGH RESOLUTION SATELLITE IMAGES
wavelet-based texture fusion imagery classification accuracy
2015/8/19
Second-order statistical texture image is regarded as one of useful images which can be produced from original data images, and wavelet scheme is also multi-resolution image analysis, as one of curren...
A KIND OF FILTERING ALGORITHMS FOR LIDAR INTENSITY IMAGE BASED ON FLATNESS TERRAIN
Lidar image fusion mean filter noise suppressing edges keeping
2015/8/10
To improve the effect of Lidar data, and utilize the intensity information of Lidar data, according to the character of Lidar data, a new fusion mean filtering algorithm based on the flatness degree o...
LANDSLIDE MONITORING THROUGH KALMAN FILTERING: A CASE STUDY IN GüRPINAR
Landslide monitoring deformation analysis Kalman Filtering GPS
2015/7/29
Many regions in Turkey are located on earthquake zones. The latest major earthquakes that hit eastern Marmara on August 17th and
November 12th 1999 left tens of thousands of deaths. Another natural ...
A FFT BASED METHOD OF FILTERING AIRBORNE LASER SCANNER DATA
DEM/DTM Laser scanning Extraction
2015/6/1
Airborne laser altimetry is a relatively new method for the acquisition of information of terrain surface. A laser scanning system
generates a 3-dimensional cloud of points with irregular spacing. T...
THE FILTERING AND PHASE UNWRAPPING OF INTERFEROGRAM
Remote Sensing SAR Image DEM/DTM Data mining
2015/6/1
INSAR(Interferometric Synthetic Aperture Radar) has been studied and used widely in the field of generating high accuracy DEM(Digital Elevation Model). The processing of INSAR includes many key techno...