Method and apparatus for determining positional guidelines of ha

Details Method and apparatus for determining positional guidelines of ha Method and apparatus for determining positional guidelines of ha

1994-09-16

1997-05-27

Powell, Mark R.

Image analysis

Image transformation or preprocessing

Measuring image properties

382189, 382179, 382203, 382286, G06F 300

Patent

active

056339577

ABSTRACT:
The present invention provides a method and apparatus for determining a positional guideline, such as a baseline or ascender line, of handwritten data. This positional guideline allows for accurate positioning of the data on a computer display. It is calculated by counting the number of pixels per horizontal row in the block of data. These counts of pixels per row are then filtered using a wide moving average. The filtered rows of pixels are then analyzed per row to determine the positional guideline for the given block of handwritten data.

REFERENCES:
patent: 4727588 (1988-02-01), Fox et al.
patent: 4776024 (1988-10-01), Katoh et al.
patent: 5172422 (1992-12-01), Tan
patent: 5327342 (1994-07-01), Roy
patent: 5396566 (1995-03-01), Bruce et al.
patent: 5544259 (1996-08-01), McCubbrey
patent: 5544261 (1996-08-01), Bellegarda et al.
patent: 5557689 (1996-09-01), Huttenlocher et al.

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