Adaptive scaling for decoding spatially periodic self-clocking g

Details Adaptive scaling for decoding spatially periodic self-clocking g Adaptive scaling for decoding spatially periodic self-clocking g

1990-07-31

1992-02-25

Razavi, Michael

Image analysis

Histogram processing

For setting a threshold

382 23, 382 20, 235494, 235470, G06K 946

Patent

active

050919660

ABSTRACT:
Weighted and unweighted convolution filtering processes are provided for decoding bitmap image space representations of self-clocking glyph shape codes and for tracking the number and locations of the ambiquities or "errors" that are encountered during the decoding. This error detection may be linked to or compared against the error statistics from an alternative decoding process, such as the binary image processing techniques that are described herein to increase the reliability of the decoding that is obtained.

REFERENCES:
patent: 4468808 (1984-08-01), Mori et al.
patent: 4728783 (1988-03-01), Brass et al.

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