Compression of multispectral images by spectral classification and transform coding

1999 ◽  
Vol 8 (4) ◽  
pp. 476-489 ◽  
Author(s):  
G. Gelli ◽  
G. Poggi
Keyword(s):  
Transform Coding ◽  
Multispectral Images ◽  
Spectral Classification

Low-complexity compression of multispectral images based on classified transform coding

2006 ◽  
Vol 21 (10) ◽  
pp. 850-861 ◽  
Author(s):  
Marco Cagnazzo ◽  
Luca Cicala ◽  
Giovanni Poggi ◽  
Luisa Verdoliva
Keyword(s):  
Low Complexity ◽  
Transform Coding ◽  
Multispectral Images

scholarly journals Region-Based Transform Coding of Multispectral Images

2007 ◽  
Vol 16 (12) ◽  
pp. 2916-2926 ◽  
Author(s):  
M. Cagnazzo ◽  
G. Poggi ◽  
L. Verdoliva
Keyword(s):  
Transform Coding ◽  
Multispectral Images

Note on the spectral classification of carbon stars in the photographic infrared region

1966 ◽  
Vol 24 ◽  
pp. 21-23
Author(s):  
Y. Fujita
Keyword(s):  
Infrared Region ◽  
Spectral Classification ◽  
Carbon Stars

We have investigated the spectrograms (dispersion: 8Å/mm) in the photographic infrared region fromλ7500 toλ9000 of some carbon stars obtained by the coudé spectrograph of the 74-inch reflector attached to the Okayama Astrophysical Observatory. The names of the stars investigated are listed in Table 1.

Introductory paper

1966 ◽  
Vol 24 ◽  
pp. 3-5
Author(s):  
W. W. Morgan
Keyword(s):  
Line Intensity ◽  
Classification Scheme ◽  
Two Dimensional ◽  
Spectral Classification ◽  
Dimensional Array ◽  
Rr Lyrae ◽  
Metallic Line ◽  
Introductory Paper ◽  
Parameter Varying ◽  
Definition Of

1. The definition of “normal” stars in spectral classification changes with time; at the time of the publication of theYerkes Spectral Atlasthe term “normal” was applied to stars whose spectra could be fitted smoothly into a two-dimensional array. Thus, at that time, weak-lined spectra (RR Lyrae and HD 140283) would have been considered peculiar. At the present time we would tend to classify such spectra as “normal”—in a more complicated classification scheme which would have a parameter varying with metallic-line intensity within a specific spectral subdivision.

Pyramid transform coding

1992 ◽  
Vol 139 (3) ◽  
pp. 364
Author(s):  
L. Wang ◽  
M. Goldberg
Keyword(s):  
Transform Coding
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