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Method and system for measuring flicker sensitivity distribution, and computer-readable recording medium storing flicker sensitivity distribution measuring program
 
   
Document Number
US Patent 6606577
Issued Date
August 12, 2003
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Abstract
A flicker sensitivity distribution measuring method is provided to maintain a subject in a fixation state and to accurately measure flicker sensitivity distribution. The sensitivity distribution measuring method includes the steps of displaying a target on a screen of a display while changing high and low luminances of a flickering target stepwise so that the average of the high luminance and the low luminance in each cycle of flickering of the target is always equal to the luminance of the screen serving as a background for the target, and determining a flicker sensitivity on the basis of the high luminance and the low luminance in one cycle of flickering of the target at a moment when the target is perceived.
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Number of Claims:
5
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Published
August 12, 2003
Application Number
09/319,899
Filed
June 14, 1999
US Classification
702/127   351/243 702/183
Int'l Classification
A61B   5/16   (20060101)  
Examiner
Priority Data
Oct 16, 1997 [JP] 9-303739
USPTO Field of Search
702/127   702/75   702/79   702/19   702/108   702/150   702/182   702/183   702/189   702/FOR   170/   702/FOR   171/   702/FOR   103/   702/FOR   104/   702/FOR   107/   351/200   351/239   351/243   351/246   351/224   351/201   351/205   351/211   600/558   600/300  
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