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Line draft type graph similarity judgment method, electronic equipment and storage medium

A graphic similarity and line draft type technology, applied in the field of image processing, can solve the problems of unsatisfactory and inaccurate similarity judgment of vector line draft images, and achieve accurate line draft graphic similarity judgment results, convenient The effect of image similarity comparison

Active Publication Date: 2019-07-09
GUANGDONG INTELL VISION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of judgment method is not ideal for the similarity judgment of vector line draft images
Its image similarity calculation based on feature points judges whether two images are consistent by finding the number of matching points. The similarity judgment of different expression techniques such as lines and inflection points of various vector graphics is not accurate

Method used

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  • Line draft type graph similarity judgment method, electronic equipment and storage medium
  • Line draft type graph similarity judgment method, electronic equipment and storage medium
  • Line draft type graph similarity judgment method, electronic equipment and storage medium

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Embodiment 1 discloses a method for judging the similarity of line draft graphics, such as figure 1 shown, including:

[0028] S1 image library building steps, obtain a large number of vector line draft images, carry out grayscale processing and binary polarization processing on the vector line draft images one by one, so that each vector line draft image is in a black and white gray state; each vector line draft image Adaptively zoom to the standard size and divide it into n*n grid areas to generate a grid matrix corresponding to each vector line draft image; project the row and column directions of the grid matrix one by one to obtain the row and column directions The distribution of pixels distributed in a straight line above, and count the number of pixels of each grid matrix row by row in the row direction, and the number of pixels by column in the column direction, corresponding to vector line draft image storage, complete the image library Establish;

[0029] S...

Embodiment 2

[0052] Embodiment 2 discloses an electronic device, which includes a processor, a memory, and a program, wherein one or more processors and memories can be used, and the program is stored in the memory and configured to be executed by the processor, When the processor executes the program, the method for judging the similarity of line draft graphics in Embodiment 1 is implemented. The electronic device may be a series of electronic devices such as a mobile phone and a tablet computer.

Embodiment 3

[0054] Embodiment 3 discloses a readable computer storage medium, which is used to store a program, and when the program is executed by a processor, the method for judging the similarity of line draft graphics in Embodiment 1 is realized. If the method of the present invention is realized in the form of a software function unit and sold or used as an independent product, it can be stored in the computer storage medium. Based on this understanding, the present invention realizes all or part of the processes in the methods of the above embodiments, and can also be completed by instructing related hardware through a computer program. The computer program can be stored in a computer storage medium, and the computer program is in When executed by the processor, the steps in the above-mentioned various method embodiments can be realized. Wherein, the computer program includes computer program code, and the computer program code may be in the form of source code, object code, executa...

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Abstract

The invention discloses a line draft type graph similarity judgment method which comprises the following steps: a preprocessing step: obtaining a vector line draft image to be judged, carrying out graying processing and dual polarization processing on the vector line draft image to be judged, enabling the vector line draft image to be judged to present a black-white-gray state, and adaptively scaling the vector line draft image to be judged to a standard size; a comparison step: dividing the vector line draft image to be judged into n*n square areas to obtain a square matrix corresponding to the vector line draft image to be judged; and projecting the square matrix in the row direction and the column direction to obtain pixel point distribution conditions which are linearly distributed inthe row direction and the column direction, comparing the pixel point distribution conditions with vector line draft images of each standard size stored in an image library, and judging the similarityof the vector line draft images. The invention further discloses electronic equipment and a storage medium. The line draft graph similarity judgment method and device can obtain an ideal and accurateline draft graph similarity judgment result.

Description

technical field [0001] The invention relates to the field of image processing, in particular to a method for judging the similarity of line draft graphics, electronic equipment and storage media. Background technique [0002] The similarity comparison of images is mainly realized by calculating the similarity of two images. The calculation of image similarity is mainly by scoring the similarity of content between two images, and judging the similarity of image content according to the score. During trademark registration and application monitoring, it is usually necessary to judge the similarity of graphic trademarks, that is, it is necessary to compare the similarity between the graphics of the trademark to be monitored and all the trademarks in the trademark image database, and analyze whether there are very similar trademarks in it, so as to facilitate the brand Management or brand protection decisions. However, when performing similarity judgment and matching on vector...

Claims

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Application Information

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IPC IPC(8): G06K9/62G06K9/48
CPCG06V10/469G06F18/22Y02D10/00
Inventor 邓立邦
Owner GUANGDONG INTELL VISION TECH CO LTD
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