JPEG compression has been available since 1992. And while few innovations in the digital world have such a long lifespan, JPEG has proved to be an exception. Why is it so successful?
This video answers this question and shows how loosy compression works. Although it is more complex, you may need to watch it a few times to understand it all.
How does JPEG compression work?
Table of contents
00:00 - Introduction to JPEG
01:24 - What does JPEG do?
02:35 - What are the JPEG steps?
04:06 - Colour space conversion
06:06 - Discrete cosine transformation
09:32 - Quantification
11:02 - Run length and Huffman coding
12:04 - H.264 video compression
13:25 - Image restoration
15:01 - Notes and warnings on JPEG
Resources
How are Images Compressed?
How does JPEG work?
JPEG 101 - How does JPEG work?
Loosy Compression
