Estimation of baseline, line spacing and character height for ha

Details Estimation of baseline, line spacing and character height for ha Estimation of baseline, line spacing and character height for ha

1993-03-04

1995-03-07

Couso, Yon J.

Image analysis

Histogram processing

For setting a threshold

382 13, G06K 932

Patent

active

053965663

ABSTRACT:
A line space baseline adjuster in a handwriting recognition system achieves improved recognition accuracy by normalizing the Cartesian coordinates of the writings captured by a digitizer to coincide with prototype character space. The normalization techniques include weighted average estimation, prototype extraction estimation, extreme point clustering estimation and a combination of prototype extraction estimation and extreme point clustering estimation.

REFERENCES:
patent: 4024500 (1977-05-01), Herbst et al.
patent: 4845768 (1989-07-01), Kochert et al.
patent: 4972496 (1990-11-01), Sklarew
patent: 5001765 (1991-03-01), Jeantry
patent: 5111514 (1992-05-01), Ohta
patent: 5138668 (1992-08-01), Abe
IBM Technical Disclosure Bulletin, vol. 25, #10, Mar. 1983 J. Kim "Baseline Drift Correction of Handwritten Text".

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