Multi-font multi- letter size print form charater recognition method based on 'Yi' character set

Abstract

The invention relates to a multi-font multi-size printed character recognition method based on a Yi character set, which takes a single-page file of a Yi printed book or a magazine as a processing object, the page of the file is firstly scanned to be a picture file in a computer, after the Yi characters, and commonly used characters such as punctuation characters, English letters, numbers in the picture file are carried out foremost segmentation, mergence and re-segmentation, the high-dimensional characteristics based on the contribution degree on the peripheral direction of each single character obtained by segmentation are extracted and then compressed into low-dimensional characteristics by using a characteristic compression conversion matrix, the classification determination of the characters are completed by the dictionary three-level characteristic matching based on the low-dimensional characteristics, the characters are carried out the post-treatment by a file, combined and reduced to a computer text, and the characters which may be identified wrongly in the text are prompted.

Description

Multi-font and multi-size printing character recognition method based on Yi character set technical field The invention belongs to the field of character recognition, and in particular relates to a multi-font and multi-font-size printed character recognition method based on a Yi character set. Background technique An important way to save our ethnic languages ​​and characters is to realize the computer automatic identification and entry of ethnic documents and documents, and to inherit various documents and documents that record the essence of ethnic minority cultures through information processing. Since 1980, when Sichuan standardized Yi language was implemented in Liangshan Yi-inhabited areas, the standardized Yi language has been widely used and promoted in the northern dialect of Yi language mainly in Liangshan Yi-speaking area, and in small Liangshan Yi areas such as Ninglang in Yunnan Province. It has been well used in many fields such as school education, including...

AI Technical Summary

Problems solved by technology

This poses a challenge to character recognition using statistical methods

Images