[Mp4-tech] help w dct

[Venkat Subbiah]

Chapter 3 of this book explains DCT very well at a conceptual level.
http://www.vcodex.com/h264mpeg4/index.html
This in a extract from the book, but from a later chapter. This extract
might help but what you are looking for is really in Chapter 3 of the book,
http://www.vcodex.com/files/h264_transform.pdf
-Venkat
-----Original Message-----
From: mp4-tech-bounces lists.mpegif.org
[mailto:mp4-tech-bounces lists.mpegif.org] On Behalf Of M R
Sent: Monday, March 31, 2024 2:27 PM
To: mp4-tech lists.mpegif.org
Subject: [Mp4-tech] help w dct
I'm looking for a document or someone who can help me
understand the basics of what the DCT does. All I can
find is the mathamatical explinations. I need to see a
picture in my mind of what it is doing to the data
before I can deal with the math. Could anyone point me
in the right direction please? BTW I'm decent with
math and electronics and I understand waves and
signals but i'm not sure what this transfrom is doing.
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