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Within the last two decades, object-based image analysis (OBIA) considering objects (i.e. groups of pixels) instead of pixels has gained popularity and attracted increasing interest. The most importan...
During the past data fusion has become an important issue in remote sensing image analysis. Image analysts benefit very much from fusion products, e.g. merged optical and radar imagery, which provide ...
Integration of image analysis and GIS for 3D city modeling.
The aim of this study is to use different image analysis and processing methods in order to extract information content needed to update large scale maps. Recently available high resolution satellite ...
High-resolution remote sensing images accelerate the development of information extraction and 3D city reconstruction. This paper concentrates on object-oriented methods to solve building extraction p...
Local context objects have significant impact on object extraction from real aerial or satellite images, since occlusions or shadows can substantially hinder a successful extraction of a particular la...
As an emerging discipline, we propose a formal definition of OBIA, describe how OBIA came into existence, and as a road map to future research propose a fundamental objective. In order to provide pote...
Principal component analysis (PCA) is usually used for compressing information in multivariate data sets by computing orthogonal projections that maximize the amount of data variance. PCA is effective...
For Bucharest, the capital of Romania, a town with 2 million inhabitants and an area of 230 square kilometers, the problem of improving the ecological conditions is very actual and that is why it is...
A study was carried out to assess the relation between the observed environmental damages in Iran during and after 1991, and the environmental contamination caused by the Persian Gulf War in Kuwait....
Photogrammetry and remote sensing have proven their efficiency for spatial data collection in many ways. Interactive mapping at digital workstations is performed by skilled operators, which guarantees...
This paper presents an overview of three approaches developed in Matlab for geospatial analysis of images. GeoEtrim has two subpackages, GeoSpot and GeoFigcon. GeoSpot aims to perform bundle adjustmen...
Hemispherical photography has received renewed interest to describe plant canopies and measure canopy gap fraction from which important biophysical variables such as leaf area index (LAI) can be deriv...

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