http://www.cnr.it/ontology/cnr/individuo/prodotto/ID228575
Digital Techniques for Noise Reduction in APT NOAA Satellite Images (Contributo in atti di convegno)
- Type
- Label
- Digital Techniques for Noise Reduction in APT NOAA Satellite Images (Contributo in atti di convegno) (literal)
- Anno
- 1986-01-01T00:00:00+01:00 (literal)
- Alternative label
R. Carla', S. Baronti, V. M. Sacco (1986)
Digital Techniques for Noise Reduction in APT NOAA Satellite Images
in Geoscience and Remote Sensing Symposium (IGARSS '86), Zurich, 1986
(literal)
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- R. Carla', S. Baronti, V. M. Sacco (literal)
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- Pubblicazione ESA non fornita di ISBN contrariamente ai volumi di annate successive. Sono presenti gli identificativi ESA e IEEE come specificato:
ESA-SP 254
IEEE Catalog NO. 86CH2268-1
Library of Congress No. 86-80109 (literal)
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- ESA Proceedings of the 1986 International Geoscience and Remote Sensing Symposium (IGARSS '86) on Remote Sensing: Today's Solutions for Tomorrow's Information Needs (literal)
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- Titolo
- Digital Techniques for Noise Reduction in APT NOAA Satellite Images (literal)
- Abstract
- Noise reduction filters were tested using NOAA satellite images. The best results, in terms of noise suppression and blur attenuation are obtained by two kinds of digital filtering techniques: weighted median filter with central pixel weight = 3 and decision threshold =12; and extremal filter with maximum number of extremal pixels =3. The other kinds of techniques show a nonuniform behavior, mainly in terms of noise pixel leaving. Both the filters were used in iterative mode: the weighted median filter needs fewer iterations to reach a stable condition than the extremal filter. However the mean computing time per iteration of the extremal filter is 30% less than the weighted filter time. (literal)
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