Messages 9-8 deleted by topic administrator between 02-02-2010 05:25 AM and 02-02-2010 02:07 AM
7
trocdelc
08-16-2008
07:54 AM ET (US)
sitacacel
6
newshep
08-03-2007
03:49 AM ET (US)
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Messages 5-4 deleted by topic administrator 07-21-2006 09:03 AM
3
Alyosha Efros
04-21-2006
01:32 AM ET (US)
Analogy to matrices: A sparse matrix is a matrix with many elements set to 0.
filter coding: if you look at a single filter response channel, it will be mostly 0 with a few places that are non-zero (edges basically). The idea that the filter only fires at very few places in an image is captured by the work spareness.
2
David Lee
04-20-2006
11:41 PM ET (US)
A question about terminology: we use the word "sparse" in many context, and in this case, it means that the value of a random variable is close to zero. I don't really understand why such concept can be associated with the word "sparse".
Edited 04-20-2006 11:44 PM
1
Dave Bradley
04-03-2006
08:51 AM ET (US)
please post your thoughts about the "Deriving Intrinsic Images from image sequences" paper here