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- W2001135963 abstract "This paper presents an approach for recognition of Ethiopic braille documents. We have used direction field tensor for noise removal and isolation of braille dots from their background. A new skewness correction technique, which exploits the horizontal direction nature of braille dots, is designed. A half character derection method, which differentiates braille dots from noise, is applied. Having recognized the half characters through analysis of their dot positions, the braille cells are formulated by way of examining horizontal distances between the half characters. The system is also designed to determine braille dot sizes automatically so that it works for different braille documents with different braille dot sizes. We have finally used a table lookup for translating each braille cell into its corresponding Ethiopic print character." @default.
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- W2001135963 date "2012-10-28" @default.
- W2001135963 modified "2023-09-27" @default.
- W2001135963 title "Recognition of Ethiopic braille characters" @default.
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- W2001135963 doi "https://doi.org/10.1145/2457276.2457304" @default.
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