ImgStar

IMG*, or ImgStar, is an image processing toolkit developed by Simon A. J. Winder.

It uses the Netpbm formats, supplemented by its own custom formats that support higher precision and floating-point samples.

Identification
ImgStar's custom file formats begin with one of the following ASCII signatures: ILibLong ILibRawLong ILibFloat ILibRawFloat ILibDouble ILibRawDouble ILibComplex ILibRawComplex ILibPolar ILibRawPolar

Software

 * ImgStar
 * http://ftp.funet.fi/index/graphics/packages/imgstar/
 * Simon A. J. Winder's ImgStar Toolset