26 04, 2013

Bitmaps : some explanations

April 26th, 2013|Categories: General, Tips & tricks, Uncategorized|Tags: , , |

Hi folks, As shown in a previous article, all raster (bitmap) files hold information on each and every pixel in the grid that makes an image. Today we are going to describe some consequences of this storage principle and, hopefully, we will shed some light [...]

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 [...]

12 04, 2013

What’s WIA

April 12th, 2013|Categories: General, PaperScan, Tips & tricks, Uncategorized|Tags: , , , , |

Hi folks, After having presented previously the basic idea about scanner drivers as well as the bottom line on TWAIN, today we will try to shed some light on WIA. Wikipedia definition reads: "Windows Image Acquisition (WIA; sometimes also called Windows Imaging Architecture) is a [...]