搜索结果: 61-75 共查到“摄影测量与遥感技术 Change detection”相关记录159条 . 查询时间(0.093 秒)
UNSUPERVISED CHANGE DETECTION IN SAR IMAGES USING GAUSSIAN MIXTURE MODELS
Gaussian Mixture model Change Detection SAR images Difference image Multi-temporal Images
2016/1/15
In this paper, we propose a method for unsupervised change detection in Remote Sensing Synthetic Aperture Radar (SAR) images. This method is based on the mixture modelling of the histogram of differen...
LAND COVER CHANGE DETECTION BASED ON GENETICALLY FEATURE AELECTION AND IMAGE ALGEBRA USING HYPERION HYPERSPECTRAL IMAGERY
Hyperspectral change detection feature selection genetic algorithm Land Cover
2016/1/18
The Earth has always been under the influence of population growth and human activities. This process causes the changes in land use. Thus, for optimal management of the use of resources, it is necess...
A Method for Urban Buildings Change Detection Based on Vertical Edges Extraction
Vertical Edge Change Detection Vanishing Point Photogrammetry Edge Extracting Line Detection
2015/12/9
This paper proposes a method for buildings change detection. Vertical edges of buildings are extracted in pairs of aerial images respectively, taking advantage of the character that vertical edges int...
CHANGE DETECTION VIA TERRESTRIAL LASER SCANNING
Terrestrial laser scanning change detection point clouds morphology
2015/11/10
We present in this paper an algorithm for the detection of changes based on terrestrial laser scanning data. Detection of changes has been a subject for research for many years, seeing applications su...
Change Detection Based on Spatial Data Mining
Photogrammetry Land Cover Change Detection Data Mining Photography
2015/10/12
Spatial data mining (SDM) and change detection (CD) are hot issues in the field of geospatial information processing. Considering
the feasibility of discovering knowledge from spatial database and t...
Change Detection of Wetland in Hongze Lake Using a Time Series of Remotely Sensed Imagery
A Time Series Hongze Lake Wetland Change Detection Rule-based Inferring Core cluster
2015/10/9
The main aim of the study was to assess the potential of a time series of remotely sensed data for the change detection of wetland in
Hongze Lake in the Northern Jiangsu Province. The raw data compr...
Research on Key Points of 3D Change Detection of Geospatial Database
Change Detection Geospatial Database DEM Aerial Imagery SDM
2015/10/9
Geospatial data is a dynamic representative form of spatial information on surface of the earth. Facts and reasons on terrain changes
are analyzed at first. Changes on the surface of the earth are m...
Change Detection for Updates of Vector Database through Region-based Classification of VHR Satellite Data
Change Detection Database Updating Very High Spatial Resolution Satellite Images
2015/10/9
Until now, interpretation of aerial photographs is a standard tool for monitoring land cover change where fine spatial resolutions are
required and this task is expensive and time-consuming. Though,...
THE AUTOMATION OF THE PROCESS OF LAND AREA CHANGE DETECTION IN PERMANENT MONITORING SYSTEMS
Land area Difference image Space imagery Change detection
2015/9/21
A new automation process for change detection of land area is proposed. The method is based on the use of multitemporal satellite images and their histograms. The proposed discrete representation of l...
CHANGE DETECTION AND LAND USE/LAND COVER DATABASE UPDATING USING IMAGE SEGMENTATION,GIS ANALYSIS AND VISUAL INTERPRETATION
Land cover database Updating Uncertainty Image segmentation Visual interpretation
2015/9/21
This article presents a hybrid method that combines image segmentation, GIS analysis, and visual interpretation in order to detect discrepancies between an existing land use/cover map and satellite im...
CHANGE DETECTION BASED ON PERSISTENT SCATTERER INTERFEROMETRY–CASE STUDY OF MONITORING AN URBAN AREA
Persistent Scatterer Interferometry (PSI) Change Detection Urban Monitoring
2015/9/21
Persistent Scatterer Interferometry (PSI) is a technique to extract subtle surface deformation from sets of scatterers identified in time-series of SAR images which feature temporally stable and stron...
AN ALGORITHM FOR VERICATION AND CHANGE DETECTION BETWEEN 3D GEOSPATIAL DATABASES AND AERIAL IMAGES
building detection change detection TOP10DK unsupervised segmentation covariance matrices
2015/9/17
An algorithm for building detection in aerial images is presented. The algorithm is based on a combination of unsupervised segmentation and selection of a training set based on existing building regis...
THE ROLE OF IMAGE PROPERTIES IN DETERMINING CHANGE DETECTION ACCURACY
Quantitative land change analysis
2015/9/9
There have been a large number of studies comparing land use/cover change detection methods. The
results of these studies tend to be contradictory, and consequently no clear consensus on the optimal
...
CHANGE DETECTION IN MIRE ECOSYSTEMS: ASSESSING CHANGES OF FOREST AREA USING AIRBORNE REMOTE SENSING DATA
Swiss Mire Protection Program fractional tree/shrub cover LIDAR
2015/9/8
The objective of this paper is to present an approach for assessing tree growth and shrub encroachment between 1997 and 2002 in
open mire land using CIR-aerial images, DSMs and LiDAR data. The study ...
APPLICATION OF BINARY DIVISION ALGORITHM FOR IMAGE ANALYSIS AND CHANGE DETECTION TO IDENTIFY THE HOTSPOTS IN MODIS IMAGES
Binary Division Algorithm Change Detection Hotspot
2015/8/28
In this paper, an approach based on Binary Division Algorithm, to detect the Hotspots using
Multi-resolution fusion of band 1, band 2, band 31 and band 32 of Moderate Resolution Imaging
Spectroradio...