30 03, 2012

Raster vs vector graphics images

March 30th, 2012|Categories: General|Tags: , , , , , |

Hi folks, Today we are going to explain the differences between raster graphics and vector graphics for our general public. Raster graphics images (or bitmaps) are based on the elementary concept of pixel. A pixel (picture element) is the smallest controllable "dot" or "point of [...]

24 03, 2012

Image enhancement : median filtering

March 24th, 2012|Categories: General, Tips & tricks|Tags: , , , , , , , |

Hi folks, We continue the series of explanations on image enhancement techniques meant for our general public and this week we are going to give you some additional info about median filtering. Images quite often contain artifacts known as "noise". "Noise" means, of course, un-wanted [...]

16 03, 2012

Deskew/Autodeskew : what’s that ?

March 16th, 2012|Categories: General, Tips & tricks|Tags: , , , , , , , , , , , , |

Hi folks, This week we thought about offering to our general public some explanations about deskew/autodeskew, mainly to answer two questions : what's that and why is it important to have ? Skew is an artifact that might appear during document scaning process and it [...]