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[Gzz-commits] gzz/Documentation/Manuscripts/Paper paper.tex
From: |
Tuomas J. Lukka |
Subject: |
[Gzz-commits] gzz/Documentation/Manuscripts/Paper paper.tex |
Date: |
Sun, 01 Dec 2002 07:07:17 -0500 |
CVSROOT: /cvsroot/gzz
Module name: gzz
Changes by: Tuomas J. Lukka <address@hidden> 02/12/01 07:07:17
Modified files:
Documentation/Manuscripts/Paper: paper.tex
Log message:
twid
CVSWeb URLs:
http://savannah.gnu.org/cgi-bin/viewcvs/gzz/gzz/Documentation/Manuscripts/Paper/paper.tex.diff?tr1=1.170&tr2=1.171&r1=text&r2=text
Patches:
Index: gzz/Documentation/Manuscripts/Paper/paper.tex
diff -u gzz/Documentation/Manuscripts/Paper/paper.tex:1.170
gzz/Documentation/Manuscripts/Paper/paper.tex:1.171
--- gzz/Documentation/Manuscripts/Paper/paper.tex:1.170 Sun Dec 1 07:04:33 2002
+++ gzz/Documentation/Manuscripts/Paper/paper.tex Sun Dec 1 07:07:17 2002
@@ -376,6 +376,14 @@
fashion\cite{rosenblatt62neurodynamics,widrow60adaptive}.
This configuration is sometimes used in neural computation.
+The model explains readily why uniformly random texels (white noise)
+would not make easily distinguishable patterns: different instances
+of noise would all yield almost
+exactly the same feature vector in brain:
+Noise has no global shape because there is no correlation between
+the random local features; it is simply perceived as the distribution
+of the local features, i.e., color and overall frequency
+(the density of texels).
From this
rough, qualitative model
@@ -434,22 +442,13 @@
In a sense, the model of perception should be {\em inverted}
in order to produce a unique background from
-a random vector seeded by the identity.
+a random vector.
This type of approach has been used
by Ware and Knight\cite{ware95texture}, for inverting
the earliest stage of the visual system,
the spatial frequency detectors, in order to place
a particular vector or scalar field of data
in the texture ``channel''.
-
-The model explains readily why uniformly random texels (white noise)
-would not make easily distinguishable patterns: different instances
-of noise would all yield almost
-exactly the same feature vector in brain:
-Noise has no global shape because there is no correlation between
-the random local features; it is simply perceived as the distribution
-of the local features, i.e., color and overall frequency
-(the density of texels).
% To understand why it is possible to learn to discriminate particular
% backgrounds easily, consider the task of learning {\em one} background
texture.
- [Gzz-commits] gzz/Documentation/Manuscripts/Paper paper.tex, (continued)
- [Gzz-commits] gzz/Documentation/Manuscripts/Paper paper.tex, Tuomas J. Lukka, 2002/12/01
- [Gzz-commits] gzz/Documentation/Manuscripts/Paper paper.tex, Tuomas J. Lukka, 2002/12/01
- [Gzz-commits] gzz/Documentation/Manuscripts/Paper paper.tex, Tuomas J. Lukka, 2002/12/01
- [Gzz-commits] gzz/Documentation/Manuscripts/Paper paper.tex, Janne V. Kujala, 2002/12/01
- [Gzz-commits] gzz/Documentation/Manuscripts/Paper paper.tex, Tuomas J. Lukka, 2002/12/01
- [Gzz-commits] gzz/Documentation/Manuscripts/Paper paper.tex, Tuomas J. Lukka, 2002/12/01
- [Gzz-commits] gzz/Documentation/Manuscripts/Paper paper.tex, Tuomas J. Lukka, 2002/12/01
- [Gzz-commits] gzz/Documentation/Manuscripts/Paper paper.tex, Tuomas J. Lukka, 2002/12/01
- [Gzz-commits] gzz/Documentation/Manuscripts/Paper paper.tex, Tuomas J. Lukka, 2002/12/01
- [Gzz-commits] gzz/Documentation/Manuscripts/Paper paper.tex, Tuomas J. Lukka, 2002/12/01
- [Gzz-commits] gzz/Documentation/Manuscripts/Paper paper.tex,
Tuomas J. Lukka <=
- [Gzz-commits] gzz/Documentation/Manuscripts/Paper paper.tex, Tuomas J. Lukka, 2002/12/01
- [Gzz-commits] gzz/Documentation/Manuscripts/Paper paper.tex, Tuomas J. Lukka, 2002/12/01
- [Gzz-commits] gzz/Documentation/Manuscripts/Paper paper.tex, Tuomas J. Lukka, 2002/12/01
- [Gzz-commits] gzz/Documentation/Manuscripts/Paper paper.tex, Tuomas J. Lukka, 2002/12/01
- [Gzz-commits] gzz/Documentation/Manuscripts/Paper paper.tex, Tuomas J. Lukka, 2002/12/01
- [Gzz-commits] gzz/Documentation/Manuscripts/Paper paper.tex, Tuomas J. Lukka, 2002/12/01
- [Gzz-commits] gzz/Documentation/Manuscripts/Paper paper.tex, Tuomas J. Lukka, 2002/12/01
- [Gzz-commits] gzz/Documentation/Manuscripts/Paper paper.tex, Tuomas J. Lukka, 2002/12/01
- [Gzz-commits] gzz/Documentation/Manuscripts/Paper paper.tex, Tuomas J. Lukka, 2002/12/01
- [Gzz-commits] gzz/Documentation/Manuscripts/Paper paper.tex, Tuomas J. Lukka, 2002/12/01