IMAGE ENHANCEMENT SYSTEM AND METHOD
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United States of America Patent
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Issued Date -
Jan 30, 2014
app pub date -
Jul 26, 2012
filing date -
Jul 26, 2012
priority date (Note) -
Abandoned
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Abstract
An image enhancement system and method include a high-pass filter (HPF) configured to pass high-frequency spatial components of an input image to generate a high-pass image; an adder configured to add the high-pass image to the input image, thereby resulting in an enhanced image; and an over-enhancement detection unit configured to detect tendency of the input image towards overshoot or undershoot. An output of the over-enhancement detection unit is used to prevent overshoot or undershoot in the enhanced image.
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