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Digital segmentation method and system

A digital, segmentation point technology, applied in character and pattern recognition, instruments, computer parts, etc., to achieve the effect of improving accuracy and good segmentation effect

Inactive Publication Date: 2015-05-20
方正国际软件(北京)有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of the defects existing in the prior art, the object of the present invention is to provide a digital segmentation method and system to solve the problem of digital sticking when the number of sticking numbers is unknown, and to improve the accuracy of digital debonding

Method used

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  • Digital segmentation method and system

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Experimental program
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Embodiment

[0108] image 3 is the digital image to be segmented in this embodiment, and the image is a binary image. The specific steps for segmenting the image are as follows:

[0109] Step one, right image 3 Connected domain analysis is performed on the binary image in , and the initial connected domain is obtained, such as Figure 4 shown, and according to the positional relationship to Figure 4 The initial connected domain shown in is merged, and the schematic diagram of the merged connected domain is shown in Figure 5 shown.

[0110] In this step, by Figure 4 From the initial connected domains shown in , it can be seen that there are containment relationships (the first "882" initial connected domain on the left and the connected domain in the lower half of "2") and intersection relations (the middle adjacent "8" connected domains and "9" connected domains), the connected domains with intersecting and containing relationships are removed by merging connected domains.

[0...

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Abstract

The invention discloses a digital segmentation method and system. The method includes: subjecting an image to be segmented, to connected domain analysis, merging connected domains according to a positional relation, calculating height of each character in the image to be segmented, determining a touching connected domain to be segmented, in the merged connected domains according to the heights of the characters, building a segmentation path according to background feature points of the touching connected domain, and performing primary segmentation of the touching connected domain according to the segmentation path. If the image subjected to primary segmentation still has touching connected domains, secondary segmentation is performed according to the widths of the characters; whether or not an abnormal segmented area exists in segmentation results or not is judged; if yes, the abnormal segmented area is subjected to combination and re-segmentation. The digital segmentation method and system has the advantages that segmentation is effective and the quantity of touching characters to be segmented is not limited.

Description

technical field [0001] The invention relates to the technical field of character processing in images, in particular to a digital segmentation method and system in images. Background technique [0002] When recognizing the text in the area to be recognized in the image, due to the influence of many factors such as the quality of the image acquisition equipment, the thickness of the text ink, and the binarization effect, the final binary image of the area to be recognized will appear sticking, fracture, etc. This will greatly affect the recognition accuracy of OCR. In order to obtain more accurate recognition results, characters need to be segmented before being sent to OCR. The connection between characters is very complicated. Firstly, the situation of character adhesion is very different. Secondly, characters may be broken. In addition, the number of character adhesion is not fixed. [0003] In order to solve the above problems, most of the traditional methods treat adhe...

Claims

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Application Information

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IPC IPC(8): G06K9/34
Inventor 史培培胡希驰
Owner 方正国际软件(北京)有限公司
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