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Continuous Nonlinearity in Character Recognition

Hiromitsu YAMADA

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Summary :

Continuous nonlinearity" is stressed as a fundamental principle in pattern recognition including handprinted Kanji character recognition. Continuity" in template matching and spatial nonlinearity" in structural analysis should be unified toward deriving a higher level of recognition algorithm. At the same time, continuous nonlinearity in the temporal axis is important, as is the case of simultaneous processing of segmentation and recognition for touching characters. The above viewpoint is discussed in the following examples: nonlinear normalization, directional pattern matching, locally maximized similarity, relaxation matching, dynamic programming matching, segmentation of character string using dynamic programming, and exhaustive matching for character extraction on complex background.

Publication
IEICE TRANSACTIONS on Information Vol.E79-D No.5 pp.423-428
Publication Date
1996/05/25
Publicized
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DOI
Type of Manuscript
Special Section INVITED PAPER (Special Issue on Character Recognition and Document Understanding)
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