Image defect correction system using directional detection
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United States of America Patent
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Issued Date -
Apr 9, 2009
app pub date -
Oct 3, 2007
filing date -
Oct 3, 2007
priority date (Note) -
Abandoned
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Abstract
An image defect correction system using directional detection. An image data memory stores a two-dimensional image data output from an image capturing device. A decision means decides whether a target pix cell is a defective pix cell by deciding whether an image data of the target pix cell is a prominent spot using a plurality of image data of the target pix cell and 8 adjacent pix cells arranged in 4 directions of upper-lower, left-right, lower-right and upper-right, counting direction number having the prominent spot, and deciding whether the target pix cell is the defective pix cell according to the counted direction number. A replacement means replaces the image data of the target pix cell with a predetermined image data when the target pix cell is determined to be the defective pix cell.
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