Unformatted text preview: used to display the picture. The GIF format can compress images by about 4:1. JPEG (Joint Photographic Experts Group) JPEG format compresses a file by tossing out subtle color differences in the image that human eyes are less likely to recognize. Depending on the level of image quality you require, JPEG can accomplish compression ratios between 10:1 and 100:1. PNG (Portable Network Graphics)—PNG typically has a 9:1 compression ratio. It was created to replace the GIF format with an image file that does not require a patent license to use. This format can have an 8 bit alpha channel, which allows the images to be semi transparent, providing a more professional look....
View Full Document
- Spring '10
- Computer Graphics, File format, Joint Photographic Experts Group, GIF format