Title :
Multispectral images error correction
Author_Institution :
Dipt. di Ingegneria Elettronica, Florence Univ., Italy
Abstract :
The present work mainly deals with the error correction in multispectral remote sensed images transmitted from satellite to ground by digital channels. Images can be corrected on the basis of the average value in the neighborhood but, sometimes, this destroys some useful information about small areas where conditions could be very different from the surroundings, for examples, little fires or lakes. The basic idea is to use the knowledge of the other bands to correct the errors present in one of them. It is possible to find out a relationship between pixels close one each other in such a way it is possible to say there is a certain degree of correlation within pixels belonging to the same band in a close neighbourhood. The coefficients of this relationship are, in turn, quite probably, similar to the ones calculated in one of the other bands, when the bands are in spectral windows close one each other
Keywords :
error compensation; error correction; error correction codes; geophysical signal processing; geophysical techniques; image enhancement; oceanographic techniques; remote sensing; cross band correlation; cross band method; error correction; geophysical measurement technique; land surface; multispectral imaging; multispectral remote sensing; ocean; optical imaging; satellite remote sensing; sea surface; terrain mapping; Earth; Error correction; Extraterrestrial measurements; Multispectral imaging; Ocean temperature; Radiometry; Remote sensing; Satellite broadcasting; Sea measurements; Sea surface;
Conference_Titel :
OCEANS '97. MTS/IEEE Conference Proceedings
Conference_Location :
Halifax, NS
Print_ISBN :
0-7803-4108-2
DOI :
10.1109/OCEANS.1997.634325
