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 on the GIF file format. GIF format was introduced by CompuServe in 1987 and soon became widely adopted because it supported colours (unlike its CompuServe predecessor, RLE) and it was small-sized (thanks to [...]

19 04, 2013

LZW and 3 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 3 widespread graphics file formats: TIFF, GIF and PNG. The story begins in 1977 and 1978 when israeli computer scientists Abraham Lempel and Jacob Ziv [...]