Conspicuous Character Patterns

LanguageEnglish
TypeProceedings of International Conferences
AuthorsSeiichi Uchida, Ryoji Hattori, Masakazu Iwamura, Shinichiro Omachi, Koichi Kise
TitleConspicuous Character Patterns
JournalProceedings of the 10th International Conference on Document Analysis and Recognition (ICDAR2009)
Pagespp.16-20
LocationBarcelona, Spain
ReviewedReviewed
DateJuly 2009
Research fieldsPattern recognition
DOI10.1109/ICDAR.2009.196
KeyUchida2009_ICDAR (id=1112)

Abstract

Detection of characters in scenery images is often a very difficult problem. Although many researchers have tackled this difficult problem and achieved a good performance, it is still difficult to suppress many false alarms andalthough missings. This paper investigates a conspicuous character pattern, which is a special pattern designed for easier detection. In order to have an example of the conspicuous character pattern, we select a character font with a larger distance from a non-character pattern distribution and, simultaneously, with a smaller distance from a character pattern distribution. Experimental results showed that the character font selected by this method is actually more conspicuous (i.e., detected more easily) than other fonts.

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