tagged: algorithm

Dummies guide to image compression algorithms

posted June 22nd, 2008 by

Dummies guide to compression algorithms

In order to compress your images to best effect it helps to understand the compression technologies (algorithms), used by the popular file formats for web graphics. This helps you understand why one image will achieve better clarity or smaller file size, compared to another image using the same compression settings. You can then optimise your settings to suit the image. more…

Dummies guide to image formats

posted May 3rd, 2008 by

Dummies guide to image formats

Choosing the right format depends on the task in hand, while some basic understanding of the underlying technologies will go a long way in getting the most from your image manipulation software.

The four most important file formats used on the web are the GIF (Graphics Interchange Format), JPEG (Joint Photographic Experts Group) and the 8-bit or 24-bit PNG (Portable Network Graphics). Each of these formats has its own benefits, giving it a role in the creation of web graphics. more…