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An unconstrained online handwritten Chinese text lines dataset, SCUT-COUCH Textline_NU, a subset of SCUT-COUCH [1] [2], is built to facilitate the research of unconstrained online Chinese text recognition. Texts for hand copying are sampled from China Daily corpus with a stratified random manner. The current vision of SCUT-COUCH Textline_NU has 8,809 text lines (4,813 lines are collected by touch...
Libraries and museums are digitizing their collections of historical culture objects to enable public access, such as historical Chinese calligraphy. These collections are only available in image format, lacking practical technology to offer the basic search service for public access. This paper proposes a quick search approach by a coarse-to-fine strategy. First, long list of calligraphy characters...
We show that the languages generated by a constrained form of Chomsky's transformational grammars characterize the languages recognized by Turing machines in deterministic exponential (2cn) time. The constraints on the transformational grammars are satisfied by many, though not all, known grammars in linguistic practice. We also give a simple algebraic characterization of the same class of languages...
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