Common Web image graphics formats.
JPEG - the most common lossy compression.
What is JPEG?
Why use JPEG?
When should I use JPEG, and when should I stick with GIF?
How well does JPEG compress images?
What are good "quality" settings for JPEG?
What is color quantization?
What are some rules of thumb for converting GIF images to JPEG?
What is progressive JPEG?
Which format is better for WWW image purposes, JPEG or GIF?
GIF89a - new animated graphics format.
GIF87a - specification
GIF89a - specification
GIF89a - cool examples
BTPC - new powerful way of encoding images.
Introduction
Design criteria for general-purpose still-image coding
Image pyramids and trees
Binary pyramid structure
Binary tree structure
BTPC 1 Predictor design
Shape-based predictor design
Quantizer design
Coder design
Implementation issues
Experimental results and discussion
Current and future work
References