31 05, 2013

Briefly about GIF

May 31st, 2013|Categories: General, PaperScan, Tips & tricks|Tags: , , , |

Hi folks, Today we will try to give you a quick overview of the GIF file format. GIF format was introduced by CompuServe in 1987. Soon, it became widely adopted because it supported colors (unlike its CompuServe predecessor, RLE) and it was small-sized (thanks to [...]

19 04, 2013

LZW and Three Graphics File Formats

April 19th, 2013|Categories: General, Tips & tricks|Tags: , , , |

Hi folks, This week we are going to tell you a short story about LZW compression and how it influenced three widespread graphics file formats: TIFF, GIF, and PNG. The story began in 1977 and 1978 when Israeli computer scientists Abraham Lempel and Jacob Ziv [...]