نتایج جستجو برای: satellite image

تعداد نتایج: 446853  

2014
EZIL SAM LENI

Segmentation and classification of satellite imagery are a challenging problem due to the fact that it is not feasible to execute this task on a pixel-by-pixel basis.This paper proposes an efficient image classification technique for satellite images with the aid of KFCM and artificial neural network. The proposed classification technique is made of four phases namely, pre-processing, fragmenta...

2011
K Nagamani

Wavelets offer an elegant technique for representing the levels of details present in an image. When an image is decomposed using wavelets, the high pass component carry less information, and vice-versa. The possibility of elimination of the high pass components gives higher compression ratio in the case of wavelet based image compression. To achieve higher compression ratio, various coding sch...

2010
Matjaz Vidmar

Besides amateur-radio satellites, the most interesting satellites for radio amateurs are weather (imaging) satellites: radio amateurs have successfully built weather-satellite image reception equipment for all known weather satellites and all known image transmission standards. Radioamateurs also pioneered satellite TV reception using small antennas much earlier than this became a mass-produced...

2008
Paul Robertson Robert Laddaga

The role of meta-reasoning in a satellite image interpretation program is described. A brief description of the satellite image understanding program is given, as well as a description of the self-adaptive architecture GRAVA. Meta-knowledge and abstract knowledge are shown to enable self-adaptation which results in greater robustness and reliability in the program.

Journal: :CoRR 2013
Shweta Jain Urmila Shrawankar

Image Processing, Optimization and Prediction of an Image play a key role in Computer Science. Image processing provides a way to analyze and identify an image .Many areas like medical image processing, Satellite images, natural images and artificial images requires lots of analysis and research on optimization. In Image Optimization and Prediction we are combining the features of Query Optimiz...

2006
Yun Zhang Pingping Xie

This paper presents an automatic system for generating multi-scale colour 3D satellite images and dynamic visualization of 3D images through the Internet. Medium-resolution satellite images such as Landsat 7 and high-resolution satellite images such as Ikonos or QuickBird are the data sources for the multi-scale 3D images. New image fusion, colour enhancement and stereoscopy algorithms are deve...

Journal: :International Journal of Advanced Trends in Computer Science and Engineering 2020

Journal: Desert 2012
H. Ahmadi H. Azarnivand M. Tazeh M.R. Ekhtesasei

There have been different indices identified for desertification. Among these is technogenic desertification index which seems much more efficient. In this study, some of technogenic desertification indices were studied and evaluated. First land use maps of the region were taken from IRS-PAN satellite image and aerial photos analysis. After evaluating the area of different uses, lands that had ...

Journal: :desert 2013
h. ahmadi h. azarnivand m.r. ekhtesasei m. tazeh

there have been different indices identified for desertification. among these is technogenic desertification index which seems much more efficient. in this study, some of technogenic desertification indices were studied and evaluated. first land use maps of the region were taken from irs-pan satellite image and aerial photos analysis. after evaluating the area of different uses, lands that had ...

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