METHOD AND APPARATUS TO LOCATE FIELD LABELS ON FORMS
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United States of America Patent
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Issued Date -
Jan 4, 2024
app pub date -
Jul 1, 2022
filing date -
Jul 1, 2022
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Abstract
Method and apparatus to identify field labels from filled forms using image processing to compare two or a few copies of the same kind of form, possibly filled out differently. Filled forms are processed to provide text strings, one for each line of text on each filled form. The text strings are converted to vectors. Vectors from different filled forms are compared to identify common words which are indicative of field labels. In an embodiment, a histogram may be generated to show frequency of occurrence of characters and words, the histogram values also being indicative of field labels.
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