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Seal identification method and device

A seal and seal text technology, applied in the field of seal identification methods and devices, can solve the problems of low efficiency and insufficient accuracy of the seal identification method, and achieve the effect of solving time-consuming and laborious, improving efficiency and high accuracy.

Active Publication Date: 2021-11-26
INDUSTRIAL AND COMMERCIAL BANK OF CHINA
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Problems solved by technology

[0004] The main purpose of the present invention is to provide a seal identification method and device to solve the technical problems of low efficiency and insufficient accuracy of the seal identification method in the prior art

Method used

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  • Seal identification method and device
  • Seal identification method and device

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Embodiment Construction

[0075] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0076] Those skilled in the art should understand that the embodiments of the present invention may be provided as methods, systems, or computer program products. Accordingly, the present invention can take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware ...

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Abstract

The embodiment of the present invention discloses a seal identification method and device. The method includes: acquiring a seal image to be identified and a template seal image corresponding to the seal image to be identified; The identification seal image and the template seal image are divided into a plurality of areas with the same area; the ratio of the seal pixel number in each area of ​​the seal image to be identified to the total print pixel number and the ratio of the template print image to be calculated are calculated. The ratio of the number of pixels of the printed text in each area of ​​the text image to the total number of pixels of the printed text; calculate the inner product of the geometric mean distance between the printed text image to be identified and the printed text image of the template; according to the inner product of the geometric mean distance And the preset geometric mean distance inner product threshold value is used to judge the authenticity of the first seal, so as to identify the authenticity of the image of the to-be-identified seal. The invention solves the technical problems of low efficiency and insufficient accuracy of the seal identification method in the prior art.

Description

technical field [0001] The invention relates to the field of seal identification, in particular to a seal identification method and device. Background technique [0002] Units or enterprises need to show unit seals when conducting account transactions through bank settlement accounts. At present, the bank's identification method for seals is often to be manually folded by the handling staff for many times and checked by human eyes. susceptible to human subjective influence. Another way is to automatically identify through the seal identification system. By collecting the image of the seal to be identified, the system automatically extracts, registers, and recognizes the seal. However, the current recognition accuracy of this type of computer recognition system is generally not high. With the rapid increase of banking business, the workload of identification and verification of various bills is huge. The traditional seal comparison method can no longer meet the actual busine...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/34G06K9/62
CPCG06V10/267G06V10/751
Inventor 曲建方钟华李晓萍张瀚文
Owner INDUSTRIAL AND COMMERCIAL BANK OF CHINA
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