License: Freeware
Downloads: 1
Op. System: Linux
Last updated: 2009-11-26
File size: 81 KB
Publisher: Thomas Baruchel

Publisher description for Jpeg2BW

Jpeg2BW program icon

Jpeg2BW is a program using the well known JPEG Library from the Independant JPEG Group and intended to convert JPEG color pictures to high-precision grayscale pictures. What makes the Jpeg2BW different from other projects is that it performs the whole computation in double precision rather than by rounding each value to some 8-bit integer at each step. The converted black & white pictures are finally encoded to a 16bpp grayscale bitmap file, with about 10 acurate bits for each pixel rather than 8 with current methods (read the following article about this issue). Thus the pictures produced by Jpeg2BW should give about 1,000 significant levels of gray (rather than 256).

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