Discrete Cosine Transformation (DCT)

Computer Graphics & Vision Topics

Discrete Cosine Transformation (DCT)

Postby Max » Tue Sep 29, 2009 9:05 pm

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DCT.jpg
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Re: Discrete Cosine Transformation (DCT)

Postby Downrange » Thu Oct 15, 2009 11:59 am

I believe the above representation of the DCT is incorrect.  At a minimum, it does not produce the values given in the example under 'DCT basis functions'.

Lambda(i) should be Lambda(u) in the 1-D form.
Image  

The 2-D form is also affected.

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Re: Discrete Cosine Transformation (DCT)

Postby Max » Thu Oct 15, 2009 12:48 pm

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