Astronomy and Astrophysics – Astrophysics
Scientific paper
Oct 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011ascl.soft10006b&link_type=abstract
Astrophysics Source Code Library, record ascl:1110.006
Astronomy and Astrophysics
Astrophysics
Scientific paper
STIFF is a program that converts scientific FITS1 images to the more popular TIFF2 format for illustration purposes. Most FITS readers and converters do not do a proper job at converting FITS image data to 8 bits. 8-bit images stored in JPEG, PNG or TIFF files have the intensities implicitely stored in a non-linear way. Most current FITS image viewers and converters provide the user an incorrect translation of the FITS image content by simply rescaling linearly input pixel values. A first consequence is that the people working on astronomical images usually have to apply narrow intensity cuts or square-root or logarithmic intensity transformations to actually see something on their deep-sky images. A less obvious consequence is that colors obtained by combining images processed this way are not consistent across such a large range of surface brightnesses. Though with other software the user is generally afforded a choice of nonlinear transformations to apply in order to make the faint stuff stand out more clearly in the images, with the limited selection of choices provides, colors will not be accurately rendered, and some manual tweaking will be necessary. The purpose of STIFF is to produce beautiful pictures in an automatic and consistent way.
No associations
LandOfFree
STIFF: Converting Scientific FITS Images to TIFF does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with STIFF: Converting Scientific FITS Images to TIFF, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and STIFF: Converting Scientific FITS Images to TIFF will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1650048