JKanji is an interactive character completion system that providesstroke-order-independent recognition of complex handwritten glyphs suchas Japanese kanji or Chinese hanzi. As the user enters each stroke,JKanji offers a menu of likely completions, generated from a robustmultiscale matching algorithm augmented with a statistical languagemodel. Unlike many existing systems, JKanji can incrementallyincorporate new training examples, either to adapt to the idiosyncrasiesof a particular user, or to increase its vocabulary. On a kanji inputtask with a vocabulary of 6369 kanji and English characters, JKanji hasdemonstrated 93%-96% recognition accuracy and up to 80% reduction in thenumber of input strokes. JKanji is computationally efficient, processingimages at 5-10 Hz on an inexpensive portable computer and is well-suitedfor integration into personal digital assistants as an input method.JKanji's recognition system also processes low-quality digital cameraimages
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