MrSID

File Format
Name	MrSID
Ontology	Electronic File Formats Geospatial MrSID
Extension(s)	.sid
MIME Type(s)	image/x-mrsid
LoCFDD	fdd000031, fdd000184
PRONOM	fmt/392

MrSID stands for Multi-resolution Seamless Image Database. MrSID uses a wavelet-based compression scheme and file format developed and patented by LizardTech designed to enable portability of massive bit-mapped (raster) images. As of November 2012, the current generation of MrSID is Generation 4 (MG4).

Software

• Konvertor
• LizardTech MG4 Decode SDK Permits reading of MrSID files.

Sample files

• dexvert samples — image/mrSIDImage

References

• MrSID : Wikipedia
• MrSID Image Format, Generation 2, from Library of Congress resource on Sustainability of Digital Formats
• LizardTech’s MrSID Technology 2010 primer from LizardTech. Includes discussion of differences between MrSID generations.
• MrSID Technology Primer 2004 primer from LizardTech. Explanation of multi-resolution architecture.