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revision 1.93 by tjl, Mon Mar 31 14:25:57 2003 UTC revision 1.94 by tjl, Mon Mar 31 14:28:24 2003 UTC
# Line 1237  the current system is quite satisfactory Line 1237  the current system is quite satisfactory
1237    
1238  \subsection{Text readability}  \subsection{Text readability}
1239    
1240    JVK: laita viitteet
1241    
1242  XXX: http://www.opticsexpress.org/abstract.cfm?URI=OPEX-6-4-81  XXX: http://www.opticsexpress.org/abstract.cfm?URI=OPEX-6-4-81
1243  % "Background variation effects were only seen when the text contrast was low"  % "Background variation effects were only seen when the text contrast was low"
1244  % "[...] several studies have indicated that there is a low correlation between  % "[...] several studies have indicated that there is a low correlation between
1245  %  subjective preference for text displays and empirical measures of their  %  subjective preference for text displays and empirical measures of their
1246  %  readability."  %  readability."
1247    
 TJL  
   
1248  The most common criticism against this work concerns  The most common criticism against this work concerns
1249  text readability.  text readability.
1250  Indeed, one of the most difficult aspects of this work {\em was} tuning the random  Indeed, one of the most difficult aspects of this work {\em was} tuning the random
1251  color selection to produce acceptable results.  color selection to produce acceptable results.
1252  However, in the current version, even relatively small text is quite legible on the backgrounds.  However, in the current version, even relatively small text is quite legible on the backgrounds.
1253    
1254  Text readability on the generated backgrounds depends  Additionally,
1255    text readability on the generated backgrounds depends
1256  strongly on the text scale; making it easy for the user to zoom  strongly on the text scale; making it easy for the user to zoom
1257  fluidly in and out helps.  fluidly in and out helps.
1258    
1259  It is also possible to enhance the text readability explicitly.  It is also possible to enhance the text readability explicitly,
1260    by lightening (``bleaching'') the background slightly around the area where the text
1261    is drawn.
1262  We have bee  The bleaching can be made almost unnoticeable on a computer screen
1263    and works well because we start from a fairly light background.
 Related to framing the text with light colors, ...  
   
 The bleaching is unnoticeable and works well because  
 we start from a fairly light background (>80 XXX).  
 On a darker background, this approach would probably look silly.  
1264    
1265    
1266    

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