given the critical role played by urban green spaces and the emergence of remote sensing as avaluable natural resource management tool, this study sought to identify trends in green spaces within thecontext of south africa’s transition period (1990 - 2000). using the city of port elizabeth as a case study, threesets of landsat - 5 thematic mapper images (1990, 1995 and 2000) were geo-processed,...

OF DOCTORAL DISSERTATION HELSINKI UNIVERSITY OF TECHNOLOGY P.O. BOX 1000, FI-02015 TKK http://www.tkk.fi Author Andreas Colliander Name of the dissertation Develpoment, Calibration and Applications of Polarimetric Radiometers for Remote Sensing Manuscript submitted 5.2.2007 Manuscript revised 22.7.2007 Date of the defence 26.10.2007 Monograph Article dissertation (summary + original articles) D...

the objective of this study is to develop a novel methodology integrating remote sensing, geographic information system technology and local spatial autocorrelation geo-computation for quick drought assessment. one group of drought indices, based on the condition of the vegetation, includes the normalized difference vegetation index (ndvi), anomaly of normalized difference vegetation index (ndv...

the reflectance spectrum of green leaves is considerably affected by their biochemical and biophysical properties. it is possible to extract biochemical information from a continuous vegetation spectrum produced using hyperspectral sensors. the numerous absorption features present in the vegetation spectrum carry a considerable amount of information related to the content and the structure of t...

the objective of this research was to determine the best model and compare performances in terms of producing landuse maps from six supervised classification algorithms. as a result, different algorithms such as the minimum distance ofmean (mdm), mahalanobis distance (md), maximum likelihood (ml), artificial neural network (ann), spectral anglemapper (sam), and support vector machine (svm) were...

the drought caused a series of effects on many sectors of economy, especially natural resources. during two last decades, iran has suffered from several severe to extreme agricultural droughts which caused significant decreases in rangeland and agriculture yields. this paper discusses the detection of agricultural drought severity over the rangelands of markazi province between 2000 and 2014 us...

Soil moisture-runoff relation at the catchment scale as observed with coarse resolution microwave remote sensing K. Scipal, C. Scheffler, and W. Wagner Vienna University of Technology Institute of Photogrammetry and Remote Sensing, Vienna, Austria University of Jena, Institute of Geography, Jena, Germany Christian Doppler Laboratory “Spatial Data from Laser Scanning and Remote Sensing”, Vienna,...

Wavelet analysis based on image enhancement technique is only applicable to black-and-white image, and pseudo-color image processing technology cannot adequately deal with some of the details information of the image. In this paper, an enhanced approach of remote sensing image based on orthogonal wavelet analysis and pseudo-color image processing is presented. Enhanced remote sensing image has ...

Image Segmentation is a fundamental technology implemented on Object-Based Image analysis in Remote Sensing images. It is also a major key role for pattern recognition. In this paper we propose a Region based Segmentation Algorithm for Remote Sensing Image based on Heterogeneity of Objects. This algorithm reduces the over-segmentation that is difficult to reduce any segmentation algorithm. The ...

In this paper, the remote sensing monitoring of natural and technological objects is represented as a concept of integrated modelling and simulation of the processes of the complex technical–organizational system (CTOS). The main goal of the study is to use in practice predetermined modelling. The paper considers the technology of remote sensing monitoring of the natural and technological objec...