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Extracting method of strokes of separate character in calligraphy work

An extraction method and technology of strokes, applied in character and pattern recognition, instruments, computer components, etc., can solve the problem of complex and changeable strokes

Inactive Publication Date: 2015-09-30
SHANGHAI MARITIME UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Calligraphy, especially historical calligraphy characters, has complex and changeable strokes, and there are many gaps in the acquisition and expression of historical calligraphy strokes

Method used

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  • Extracting method of strokes of separate character in calligraphy work
  • Extracting method of strokes of separate character in calligraphy work
  • Extracting method of strokes of separate character in calligraphy work

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Experimental program
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Embodiment Construction

[0086] The present invention will be further elaborated below by describing a preferred specific embodiment in detail in conjunction with the accompanying drawings.

[0087] like figure 1 Shown, a method for extracting single-character strokes in a calligraphy work, the extraction method includes:

[0088] S1, using the skeleton crawler unit to obtain the skeleton strokes of individual characters in calligraphy works. The step S1 includes:

[0089] S1.1, if Figure 2a As shown in the figure, the image of the calligraphy works scanned is processed, and the skeleton and contour extraction of the individual characters in the calligraphy works are performed.

[0090] In the present invention, step S1.1 includes:

[0091] Perform denoising and background color removal processing on the calligraphy works image, and extract the binary image of the individual characters in the calligraphy works.

[0092] Perform binarization processing on the binarized image of the above-mentione...

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Abstract

The invention discloses an extracting method of strokes of a separate character in a calligraphy work. Skeleton strokes of the separate character in the calligraphy work are acquired through a skeleton crawler unit, the stroke width of each stroke of an original separate character in the calligraphy work is calculated, the minimum surrounded area of a skeleton stroke outline is acquired, relations of different types of skeleton cross points and the minimum surrounded area of the stroke outline are analyzed, shared areas are positioned, types of the shared areas are determined, and the strokes are extracted according to the types of the shared areas and the minimum surrounded area of the skeleton stroke outline. With the adoption of the method, a foundation can be laid for calligraphy character recognition, calligraphy style comparison and calligraphy work authentication based on strokes. With the adoption of the method, the strokes of the separate character in the calligraphy work can be completely extracted, and a stroke extracting method is provided for related research on and applications of stroke-based calligraphy character classification, recognition, reconstruction, animated simulation and the like.

Description

technical field [0001] The invention relates to a character image processing method, in particular to a method for extracting single-character strokes in calligraphy works. Background technique [0002] Strokes are the basic elements that compose and characterize characters, and are the basis of character classification, recognition and retrieval. Chinese characters are composed of strokes and radicals, written from top to bottom, left to right, and arranged in a two-dimensional manner. Classification and recognition of text is generally based on stroke elements. Calligraphy is a kind of handwriting. Western calligraphy is written with a flat pen, and Chinese calligraphy is usually written with a brush. Both are still in teaching practice. The biggest feature of Chinese calligraphy is that the strokes of calligraphy are not like those of printed characters: they are horizontal and vertical, and each stroke or letter has a fixed template. In the brush calligraphy of Chines...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/46
CPCG06V10/422G06V10/44
Inventor 章夏芬刘佳岩
Owner SHANGHAI MARITIME UNIVERSITY
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