Appeal No. 1998-1317
Application No. 08/522,112
high degree of correctness, see page 3 of the specification.
Further, as discussed on page 9 of the specification, a priori
information includes the average frequency of occurrence of
all letters and the average distribution of word size in
textual material in a given language.
The independent claim 8 is as follows:
8. A method for restoring a blurred printed document
text image comprising the steps:
providing data of parameters for different fonts
having varying point sizes;
providing a priori data regarding
(a) printed text structure including average
size of words, sentences, and paragraphs for a preselected
language;
(b) the average distribution of word size in
textural material written in the preselected language;
(c) the average frequency of occurrence of all
the letters in textual material written in the preselected
language;
establishing predetermined zone characteristics for
each letter of an alphabet of the language;
comparing each detected letter of printed text with
the zone characteristics for establishing possible letters of
words in the blurred text; and
determining the text on a word by word basis based
on the a priori data and the established possible letters.
2
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