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Edge Analysis in Digitized Grey Level Patterns. November 1982 Disclosure Number: IPCOM000050474D
Original Publication Date: 1982-Nov-01
Included in the Prior Art Database: 2005-Feb-10

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Baier, H Pfeffer, E Roesch, H Schneiderhan, M [+details]


Grey values of picture elements (pixels) obtained by step scans perpendicular to the edge are summed, and adjacent sum values are subtracted to detect edge irregularities.