Apparatus and method for vectorization of incoming scanned image data
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United States of America Patent
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-
Mar 28, 1989
Grant Date -
N/A
app pub date -
Feb 19, 1987
filing date -
Feb 19, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Serial data obtained by scanning an object including a plurality of connected shapes is encoded into 'slices' consisting of colinear connected black pixels and is processed and assembled into 'records' that contain compact slice data or corner points of trapezoidal shapes. For each shape, a record is fetched and recognized as to whether it is to be represented by a horizontal, vertical or diagonal vector, an arc vector, or a filled shape. The vector is entered into a table or merged with a vector already in the table, or corresponding 'filled shape' data is generated and entered in the table. Merging is accomplished by determining if the input vector has an intersection number equal to that of any vector stored in the table, and merging the input vector with the stored vector if their respective end points and orientations are sufficiently close.
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