Multispectral enhancements for astronomical images

Details Multispectral enhancements for astronomical images Multispectral enhancements for astronomical images

Apr 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981jbis...34..139l&link_type=abstract

British Interplanetary Society, Journal (Image Processing, Space Technology), vol. 34, Apr. 1981, p. 139-144.

Astronomy and Astrophysics

Astronomy

Astronomical Photography, Image Enhancement, Image Processing, Multispectral Photography, Image Reconstruction

Scientific paper

Multispectral astronomical images are typically characterized by significant correlations between the intensities in different spectral bands on a global scale. Thus, simple colour enhancements based upon individual images are often ineffective in revealing subtle colour variations. In this paper several powerful transformations are discussed which make use of the correlations among the various spectral bands to distinguish more effectively differences between bands. These transformations are the Log Intensity Transformation, the Principal Component Transformation and the Hue, Saturation and Intensity Transformation. Examples are presented using plates of M82.

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