Method for producing a restored binary shape signal based on an

Details Method for producing a restored binary shape signal based on an Method for producing a restored binary shape signal based on an

1997-08-29

2000-11-07

Britton, Howard

Television

Bandwidth reduction system

Format type

348699, 382243, H04N 712

Patent

active

06144409&

ABSTRACT:
A method restores a binary shape signal which has been downsized through the use of a sub-sampling or a down-sampling technique. The downsized binary shape signal contains a plurality of reference lines, wherein each reference line includes one or more segments having successive object pixels therein, and the binary shape signal is restored based on the downsized binary shape signal. Once interpolation lines corresponding to the reference lines are produced based on the number of segments on each of the reference lines, positions of the segments, and the number of object pixels on each of the segments, and then the restored binary shape signal is provided by alternately combining each of the interpolation lines and each of the reference lines.

REFERENCES:
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patent: 5481319 (1996-01-01), Kershaw et al.
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patent: 5635986 (1997-06-01), Kim
patent: 5691769 (1997-11-01), Kim
patent: 5822460 (1998-10-01), Kim
patent: 5883678 (1999-03-01), Yamaguchi et al.

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