/[gzz]/manuscripts/Paper/paper.tex
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revision 1.23 by jvk, Fri Mar 14 11:57:03 2003 UTC revision 1.24 by jvk, Fri Mar 14 13:16:21 2003 UTC
# Line 1079  JVK Line 1079  JVK
1079    
1080  - we need also memorization; therefore, careful evaluation is needed  - we need also memorization; therefore, careful evaluation is needed
1081    
1082    - our textures are on a higher level, more like complete pictures
1083    
1084  - experiments on black-and-white (faces,) ink blots, and snow crystals  - experiments on black-and-white (faces,) ink blots, and snow crystals
1085    \cite{goldstein71visualrecognition} show that    \cite{goldstein71visualrecognition} show that
1086    complex pictures can be remembered and recognized and that recognition    complex pictures can be remembered and recognized and that recognition
# Line 1086  JVK Line 1088  JVK
1088    
1089  - pilot test: 15 textures or pure colors shown sequentially, 5 seconds each.  - pilot test: 15 textures or pure colors shown sequentially, 5 seconds each.
1090    recognition tested by showing the 15 seen textures mixed with 15 new    recognition tested by showing the 15 seen textures mixed with 15 new
1091    textures in a random order. subjects answers old/new.    textures in a random order, subject answers old/new.
1092    
1093  - results: for textures, 80 percent correct (12/15 correctly recognized  - results: for textures, 80 percent correct (12/15 correctly recognized
1094    as seen and 12/15 correctly identified as not seen).    as seen and 12/15 correctly identified as not seen).
1095    for pure colors, 53 percent correct (13/15 correctly recognized    for pure colors, 53 percent correct (13/15 correctly recognized
1096    as seen and 3/15 correctly identified as not seen).    as seen and 3/15 correctly identified as not seen).
1097    
1098    - the experiment only measured the ability to dicriminate previosly seen
1099      textures from unseen textures. However, our experience shows that
1100      at least the most recurring textures can easily be associated to the
1101      document content.
1102    
1103    - as per Zipf's law [XXXref], it suffices to learn the textures
1104      of the most recurring documents.
1105    
1106    XXX: refs?
1107    
1108  \section{Software availability}  \section{Software availability}
1109    
1110  JVK  JVK

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