System and method for visually calibrating a display based on just-noticeable-difference of human perception response
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United States of America Patent
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Issued Date -
Feb 6, 2003
app pub date -
Jun 6, 2001
filing date -
Jun 6, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method for allowing a layman user to visually calibrate a user display is provided. First, a standard display model is predefined with (i) a standard display colorimetric transformation matrix, (ii) a standard display luminance response function, and (iii) three standard display human perception response (HPR) curves in dim, average, and bright environments, respectively. Second, a user display model is created, also including (i) a user display colorimetric transformation matrix, which is not fully defined, (ii) a user display luminance response function, which is also not fully defined, and (iii) a user display human perception response (HPR) curve in dim, average, or bright surrounding environment, as specified by the user. Third, the user display luminance response function is estimated. Fourth, the user display colorimetric transformation matrix is estimated. Finally, based on the above estimation, a lookup-table (LUT) is created for converting standard display signals to user display signals.
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