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Method and apparatus for cutting character

A cutting device and character technology, applied in the field of pattern recognition, can solve problems such as loss, broken characters, etc.

Active Publication Date: 2008-08-27
NEW FOUNDER HLDG DEV LLC +2
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0018] The second is that the binarization operation on the grayscale text image often loses some useful information, which is easy to cause the character to be broken, and the Chinese characters composed of radicals are divided into multiple regions.

Method used

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  • Method and apparatus for cutting character

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Embodiment Construction

[0076] The embodiment of the present invention provides a character segmentation method and its device. Aiming at the problem of low character recognition rate caused by character segmentation errors caused by the character segmentation method provided by the prior art, the following technical solutions are proposed, which are now combined with the description Accompanying drawing and specific embodiment describe this technology in detail:

[0077] The first embodiment of the present invention provides a character segmentation method, as shown in Figure 5, the specific implementation process is as follows:

[0078] S100. Perform row segmentation and column segmentation on the text image to obtain several character unit image blocks. The specific process is described in detail in conjunction with Figure 6:

[0079] S101. Perform row segmentation on the binarized text image.

[0080] Obtain the binary text bitmap image to be segmented, the pixel width of the text area is nWidt...

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Abstract

The invention discloses a character segmentation method and a character segmentation device, which can recognize character unit image blocks containing touching characters and character unit image blocks containing components and radicals, and assure the correctness of the character segmentation result. In the technical proposal of the invention, a plurality of character unit image blocks are obtained by making line segmentation and column segmentation to a text image, character unit image blocks containing touching characters are recognized and continue to be segmented, Chinese character unit image block areas and English character unit image block areas are recognized, character unit image blocks occupied by components and radicals of Chinese characters are recognized in the Chinese character unit image block areas, and character unit image blocks occupied by components and radicals of adjacent Chinese characters are merged into a character unit image block. The invention ensures that the character segmentation result does not depend too much on a character recognition feedback mechanism and further improves the recognition rate of the characters.

Description

technical field [0001] The invention belongs to the field of pattern recognition, and in particular relates to the segmentation technology of optical characters. Background technique [0002] With the improvement of single-character recognition accuracy in OCR (Optical Character Recognition, optical character recognition), character segmentation has become a key issue in the field of OCR. Most of the current progress in the field of text recognition can also be attributed to text segmentation. score level increase. However, the current practicality of text recognition technology has been limited by the segmentation technology of text characters. The correct rate of text segmentation is directly related to the correct rate of text recognition. Errors in text segmentation will directly lead to errors in text recognition. [0003] The purpose of character segmentation is to segment a series of sub-images from a multi-character image, where each sub-image contains an independen...

Claims

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Application Information

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IPC IPC(8): G06K9/20G06K9/68G06K9/72
Inventor 亓文法程道放李晓龙卢书一
Owner NEW FOUNDER HLDG DEV LLC
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