Information processing apparatus and control method of information processing apparatus
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United States of America Patent
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Aug 11, 2015
Grant Date -
Feb 10, 2011
app pub date -
Jul 23, 2010
filing date -
Aug 6, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
An information processing apparatus comprises: a calculation unit configured to calculate differences between the display coordinates of the plurality of target touch marks and the coordinates converted by the conversion unit; a correction unit configured to calculate an average value with reference to the center of the display range from the differences calculated by the calculation unit, and to correct, using the average value, the coordinates converted by the conversion unit so that distances between the reference coordinates and the coordinates converted by the conversion unit become equal to each other; and an update unit configured to calculate new conversion coefficients required to correct displacements between the coordinates corrected by the correction unit and the display coordinates of the plurality of target touch marks, and to update the new conversion coefficients as conversion coefficients used in subsequent touch position detection of the touch panel.
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