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http://www.adass.org/adass/proceedings/adass99/P1-09/.
http://www.adass.org/adass/proceedings/adass99/P1-09/.
1. Astronomical Image Compression Using the Pyramidal Median Transform
... We describe image compression based on the pyramidal median transform, introduced as an alternative to the use of a wavelet transform. The use of a multiresolution support allows ``protection'' of astronomical objects in the image. ... We describe an approach to astronomical image compression through noise removal. ... We begin by explaining why transforms other than the wavelet transform are important for astronomical image compression. ... Negative Values. ... The image dimensions were . ...
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Ссылки http://www.adass.org/adass/proceedings/adass94/starckjl2.html -- 11.4 Кб -- 03.11.2000
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