A trademark similarity comparison method based on interval extraction

A technology of similarity and trademark, applied in the fields of instruments, computing, electrical digital data processing, etc., can solve the problems of cumbersome trademark retrieval steps, low accuracy and efficiency, and achieve easy visual distinction, improve work efficiency, and reduce complexity. Effect

Active Publication Date: 2019-04-23
广州企图腾科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of the above technical problems, the purpose of the present invention is to provide a trademark similarity comparison method based on interval extraction, which solves the problems of cumbersome trademark retrieval steps, low accuracy and efficiency

Method used

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  • A trademark similarity comparison method based on interval extraction
  • A trademark similarity comparison method based on interval extraction
  • A trademark similarity comparison method based on interval extraction

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Example 1: Please refer to figure 1 As shown, a trademark similarity comparison method based on interval extraction includes the following steps:

[0034] Step S100: Obtain the user's trademark image to be retrieved; the trademark image to be retrieved is sequentially scaled, matrix stored and binarized to obtain the original matrix of the user image;

[0035] The methods for proportional scaling, matrix storage and binarization of the image specifically include:

[0036] Scale the image to a preset fixed size pixel ratio and store it on the MxN grid matrix (the MxN grid matrix means that the number of rows of the matrix is ​​M and the number of columns is N), where one pixel is stored in one grid , and then perform binarization processing to obtain the original matrix of the image.

[0037] The binarization method specifically includes: when the gray value of the grid matrix pixel is less than or equal to the threshold, the grid is defined as 0; when the gray value o...

Embodiment 2

[0051] Embodiment 2: Different from Embodiment 1, please refer to figure 2 As shown, the trademark similarity comparison method based on interval extraction of the present invention also includes the following steps after step S400:

[0052] If the original matrix of the trademark library image that is completely consistent with the original matrix of the user image is not retrieved, perform the following steps:

[0053] Step S500: the original matrix of all trademark library images is reduced successively by increasing levels to obtain the reduced matrix of each level of the trademark library of all trademark library images;

[0054] Step S600: The original matrix of the user image is successively reduced by increasing levels to obtain the reduced matrix of each level of the trademark to be retrieved;

[0055] The step-by-step reduction processing method includes the following steps: combining the logo values ​​extracted from the original matrix of the trademark library ima...

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Abstract

The invention discloses a trademark similarity comparison method based on interval extraction. The trademark similarity comparison method comprises the following steps of obtaining a to-be-retrieved trademark image of a user; obtaining the static images of all trademarks in the trademark library; sequentially carrying out equal-proportion zooming, matrix storage and binarization processing on theto-be-retrieved trademark image and all trademark static images of the trademark library to obtain a user image original matrix and all trademark library image original matrixes, and sequentially carrying out comparative analysis on the user image original matrix and all trademark library image original matrixes; and if yes, sending the trademark information corresponding to the trademark libraryimage original matrix to a user. According to the present invention, the trademark library image original matrix is compared with the user image original matrix, the overall characteristics of the trademark are reserved, the visual distinguishing is easy, and the retrieval result is more accurate, and the operation steps of trademark retrieval are simplified.

Description

technical field [0001] The invention relates to the field of trademark retrieval, in particular to a method for comparing trademark similarities based on interval extraction. Background technique [0002] A trademark is a mark used to distinguish one operator from other operators' goods or services, and is an intangible asset of an enterprise. According to the "Trademark Law", the trademark registrant enjoys the exclusive right to use the trademark or licenses a third party to use it in the form of remuneration, both of which are protected by law. With the full implementation of my country's trademark strategy, the Trademark Office receives millions of applications for registered trademarks every year, and the determination and ruling of similar trademarks is a major difficulty and requires a lot of manpower and material resources. [0003] In view of the above situation, trademark search has become a necessary condition for trademark identification and adjudication. Tradi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/583G06F16/53
Inventor 邓立邦
Owner 广州企图腾科技有限公司
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