電気学会論文誌D(産業応用部門誌)
Online ISSN : 1348-8163
Print ISSN : 0913-6339
論文
段階的な枝刈りによるアフィン不変な文字認識
岩村 雅一堀松 晃丹羽 亮黄瀬 浩一内田 誠一大町 真一郎
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2011 年 131 巻 7 号 p. 873-879

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Recognizing characters in scene images suffering from perspective distortion is a challenge. Although there are some methods to overcome this difficulty, they are time-consuming. In this paper, we propose a set of affine invariant features and a new recognition scheme called “progressive removing” that can help reduce the processing time. Progressive removing gradually removes less feasible categories and skew angles by using multiple classifiers. We observed that progressive removing and the use of the affine invariant features reduced the processing time by about 60% in comparison to a trivial one without decreasing the recognition rate.

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© 電気学会 2011
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