Designing Conspicious Character Patterns

LanguageJapanese
TypeProceedings of Japanese Conferences
AuthorsSeiichi Uchida, Ryoji Hattori, Masakazu Iwamura, Shinichiro Omachi, Koichi Kise
TitleDesigning Conspicious Character Patterns
JournalProceedings of MIRU 2009
Presentation numberOS6-3
Pagespp.182-189
ReviewedNot reviewed
DateJuly 2009
Research fieldsPattern recognition
KeyUchida2009_MIRU (id=1115)

Abstract

Detection of characters in scenery images is often a very hard problem. Although many researchers have tackled this difficult problem and achieved a good performance, it is still difficult to suppress many false alarms and/or 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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