Hi-fidelity multi-scale local processing for visually optimized far-infrared Herschel images
Date Issued
2016
Author(s)
Abstract
In the context of the "Hi-Gal" multi-band full-plane mapping program for the Galactic Plane, as imaged by the Herschel far-infrared satellite, we have developed a semi-automatic tool which produces high definition, high quality color maps optimized for visual perception of extended features, like bubbles and filaments, against the high background variations. We project the map tiles of three selected bands onto a 3-channel panorama, which spans the central 130 degrees of galactic longitude times 2.8 degrees of galactic latitude, at the pixel scale of 3.2", in cartesian galactic coordinates. Then we process this image piecewise, applying a custom multi-scale local stretching algorithm, enforced by a local multi-scale color balance. Finally, we apply an edge-preserving contrast enhancement to perform an artifact-free details sharpening. Thanks to this tool, we have thus produced a stunning giga-pixel color image of the far-infrared Galactic Plane that we made publicly available with the recent release of the Hi-Gal mosaics and compact source catalog.
Coverage
Space Telescopes and Instrumentation 2016: Optical, Infrared, and Millimeter Wave
All editors
MacEwen, Howard A.; Fazio, Giovanni G.; Lystrup, Makenzie; Batalha, Natalie; Siegler, Nicholas; Tong, Edward C.
Series
Volume
9904
Start page
99045V
Conferenece
Space Telescopes and Instrumentation 2016: Optical, Infrared, and Millimeter Wave
Conferenece place
Edinburgh, UK
Conferenece date
26 June-1 July, 2016
Issn Identifier
0277-786X
Ads BibCode
2016SPIE.9904E..5VL
Rights
open.access
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2016-07 - Li Causi et al. - SPIE 9904 - Hi-fi multi-scale local processing for visually optimized FIR Herschel images.pdf
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1.74 MB
Format
Adobe PDF
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