A method for intelligent recognition of Dongba hieroglyphs

A pictograph, intelligent recognition technology, applied in the field of text recognition, can solve the problems of rare Dongba language recognition and classification research, and achieve the effect of being conducive to digital preservation, good expansion ability, and fast operation

Active Publication Date: 2017-11-17
BEIJING INFORMATION SCI & TECH UNIV
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Problems solved by technology

[0004] It can be seen from the existing research literature that the existing research on Dongba characters mainly focuses on the development of character input method systems, but there is little research on the recognition and classification of Dongba characters

Method used

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  • A method for intelligent recognition of Dongba hieroglyphs
  • A method for intelligent recognition of Dongba hieroglyphs
  • A method for intelligent recognition of Dongba hieroglyphs

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Embodiment

[0032] Such as image 3 As shown in the figure, taking the five genera of Dongba grapheme as an example to further introduce the intelligent recognition method of Dongba pictograph grapheme.

[0033] 1) Use a scanner to collect grapheme images of five genera. Use the Naxi pictograph intelligent recognition system to translate the classics, read the original image information, and store the image information of each grapheme in the classics. The structure and shape characteristic parameters of Dongba grapheme image that can represent the morphological structure information are extracted, and finally the structure and shape characteristics are used as the main characteristic parameters to distinguish the genus.

[0034] 2) According to the collected Dongba glyphs, they are divided into five categories according to their genus: astronomical phenomena, geography, plants, animals and people. Firstly, the Dongba grapheme structure and shape feature information is used as the discri...

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Abstract

The invention relates to a method for intelligent recognition of Dongba pictograph grapheme, which comprises the steps of: using a scanner to collect Dongba pictograph image grapheme from Dongba pictograph classics, involving 18 categories; collecting the Dongba pictograph After image preprocessing such as median filtering, fixed threshold segmentation, contour boundary extraction and morphological processing, the grapheme image of the hieroglyph is obtained to obtain the contour shape of the grapheme of the Dongba hieroglyph, and the grapheme representing a single Dongba hieroglyph is extracted from the image The geometric features represent the structural shape feature information of Dongba pictograph graphemes; realize the extraction of geometric features representing a single grapheme, the extracted geometric features include 7 Hu invariant moments and 120 zernike moments, and 7 Hu invariant moments Moments are low-order structural shape feature information, and 120 zernike moments are high-order structural shape feature information; establish a grapheme recognition model for Dongba pictographs; and intelligently recognize graphemes in Dongba classics. The present invention can be widely applied in the field of character recognition.

Description

technical field [0001] The invention relates to a character recognition method, in particular to a method for intelligent recognition of Dongba pictograph graphemes. Background technique [0002] The Naxi people in China are the only ethnic minority in my country who have written tens of thousands of volumes of classics in the oldest pictographic characters in the world. In 2003, Dongba classics were listed as "World Memory Heritage" by UNESCO. The Dongba classics of the Naxi nationality in China have been recognized by international authoritative organizations as occupying an important position in the history of world cultural development. Dongba priests are important inheritors of the traditional culture of the Naxi people. Dongba classics are written in hieroglyphs that help memory. Only a few old Dongba priests in Yunnan, Sichuan and Tibetan areas of China can translate Dongba classics. Therefore, it is necessary to copy and translate the overseas Dongba classics with ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/00G06K9/62
Inventor 陈晓王红军王海燕
Owner BEIJING INFORMATION SCI & TECH UNIV
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