POV-Ray : Newsgroups : povray.general : Antialiasing problem : Re: Antialiasing problem Server Time
31 Jul 2024 00:26:52 EDT (-0400)
  Re: Antialiasing problem  
From: Thorsten Froehlich
Date: 10 Feb 2008 15:26:43
Message: <47af5e03$1@news.povray.org>
John VanSickle wrote:
> Thorsten Froehlich wrote:
> 
>> Jan Dvorak wrote:
> 
>>> JPEG compression does the AA for me ;-)
>>
>> :-)  Actually, did you know that anti-aliased images slightly improve 
>> compression and quality when using JPEG?
> 
> More than slightly, depending on the specifics of the picture.  AA also 
> greatly increases the quality and compressibility of MPEGs, too.

Indeed, because AA "decreases" the frequencies the DCT (discrete cosine 
transformation) needs to represent.

	Thorsten


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