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black prince 10-12-2002 04:39 PM

DCTune - could this enhance Tmpgenc's matrix??
 
Hi All,

Here a program, DCTune, for jpeg's which is interesting. It's suppose
to take a jpeg image and give the best possible matrix to convert.
Here's the website and a trial program is available. I wonder if such
a program could be used to enhance Tmpgenc matrix for KVCD.

http://vision.arc.nasa.gov/dctune/

-black prince 8)

kwag 10-12-2002 10:50 PM

Re: DCTune..could this enhance Tmpgenc's matrix?????
 
Quote:

Originally Posted by black prince
Hi All,

Here a program, DCTune, for jpeg's which is interesting. It's suppose
to take a jpeg image and give the best possible matrix to convert.
Here's the website and a trial program is available. I wonder if such
a program could be used to enhance Tmpgenc matrix for KVCD.

http://vision.arc.nasa.gov/dctune/

-black prince 8)

JPEG != MPEG :wink:
Would be nice 8)

-kwag

black prince 10-13-2002 06:24 AM

Hi Kwag,

Here a website that does a better job explaining DCTune. This
may be apples and oranges comparision, but they do discuss
the the characteristics of what the human eye can see during
a video and how this translates to DCTune's Matrix. The enhance-
ments are small, but for low bitrates and low resolutions could
dramatically improve it. :)

http://ise.stanford.edu/class/psych221/98/dctune/yuke/

Some ideas may pop-up that could lead to enhancements
to KVCD matrix.

-black prince


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