Metal Label Pressed Protuberant Characters Recognition Based on Hidden Markov Model

Wei Chen

doi:10.4028/www.scientific.net/AMR.187.667

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 187Metal Label Pressed Protuberant Characters...

Metal Label Pressed Protuberant Characters Recognition Based on Hidden Markov Model

Abstract:

A recognition method of pressed protuberant characters based on Hidden Markov models and Neural Network is applied, which the surface curvature properties and the relation of metal label characters are analyzed in detail. The shape index of the characters is extracted. A neural network is used to estimate probabilities for the characters depended on the surface curvature properties, then deriving the best word choice from a sequence of state transition. It is shown in test that the proposed method can be used to recognize the pressed protuberant on metal label.

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Periodical:

Advanced Materials Research (Volume 187)

Pages:

667-671

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.187.667

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Online since:

February 2011

Authors:

Wei Chen

Keywords:

Character Recognition, Hidden Markov Model (HMM), Neural Network (NN), Pressed Protuberant Character, Shape from Shading, Shape Index

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