Method and apparatus for contextual data enhancement
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United States of America Patent
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Feb 16, 1993
Issued Date -
N/A
app pub date -
Oct 4, 1989
filing date -
Jan 7, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to contextual enhancement of data comprising a matrix of data elements wherein each matrix data location has contained therein data representative of certain characteristics, for example, in the case of image data, the intensity of the image within a range of intensities, or the direction of image contour flow lines at each particular data element within the matrix. A preferred embodiment of the invention described in the present application relates to the field of the enhancement of image data obtained from the scanning of a fingerprint image by a digital black and white camera. This results in a matrix of data elements each of which data elements in the matrix contains data representative of the intensity of the image at the particular matrix point, from a 0 black value to a maximum intensity white value. The variations in intensity therebetween are represented by shades of gray between black and white.
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