Target pattern searching method and computer-readable storage medium

A target pattern and image technology, applied in the field of image recognition, can solve the problem of poor matching effect due to size difference

Active Publication Date: 2020-05-12
GUANGDONG VTRON TECH CO LTD
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Problems solved by technology

[0004] The application provides a method for searching a target pattern and a computer-readable storage medium, which solves the technical problem that if the size of the target pattern in the original image differs greatly from the size of the template pattern used by the template matching algorithm, the matching effect will be poor

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  • Target pattern searching method and computer-readable storage medium

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[0035] In order to enable those skilled in the art to better understand the solution of the application, the technical solution in the application will be clearly and completely described below in conjunction with the accompanying drawings in the application. Obviously, the described embodiment is only a part of the application Examples, not all examples. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0036] The applicant found that the size of the target pattern applicable to the existing template matching algorithm is very limited, and often only the target pattern with a fixed size can be applied. When the shooting distance of the image is longer, the size of the target pattern in the original image is smaller, and when the shooting distance of the image is shorter, the size of the target pattern in the original image...

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Abstract

The invention discloses a target pattern searching method and a computer-readable storage medium, wherein the method comprises the steps of according to a preset zooming algorithm, zooming an originalimage to each preset resolution for obtaining a zoomed image of the original image in each preset resolution; according to a preset matching algorithm, performing target pattern template matching oneach zoomed image for obtaining a matching score of each original image in each preset resolution; and selecting the template matching result with highest matching score as an output result, wherein the matching result comprises positioning data of the target pattern. The method according to the invention settles a technical problem of low matching effect when a difference between the dimension ofthe target pattern in the original image and the dimension of the template pattern used in the template matching algorithm is relatively large.

Description

technical field [0001] The present application relates to the technical field of image recognition, and in particular to a method for finding a target pattern and a computer-readable storage medium. Background technique [0002] Currently, there are mainly two methods for finding target patterns in images. One is a method based on machine learning or deep learning. This method requires a large sample library for training. It needs to be retrained every time the target pattern is updated, and the time for each training is relatively long, ranging from a day to a long time. For four or five days, the development efficiency is not high. [0003] The other is a method based on image feature analysis, in which, for images with fixed target patterns, a template matching method is generally used. The template matching method is a method based on image feature analysis, and it works well when searching for specific target patterns in images. However, the current template matching...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/532G06K9/62
CPCG06F16/532G06V10/751Y02D10/00
Inventor 甄海华
Owner GUANGDONG VTRON TECH CO LTD
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