Method and system for image comparison
An image and target image technology, applied in the computer field, can solve problems such as inaccurate comparison results, save manpower and material resources, improve accuracy, and reduce comparison features.
Active Publication Date: 2021-05-11
湖北微视艺展文化科技有限公司
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Furthermore, in the prior art, the feature quantity of the image to be authenticated is usually compared with the feature quantity of the image in the database during the comparison process. If the comparison results are consistent, the authentication is passed. However, this comparison method requires a one-time There are too many features to be compared, and many times of comparison are required, which may cause inaccurate comparison results between the image to be authenticated and the standard image
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[0025] The technical solutions in the embodiments of the present application are clearly and completely described below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of them. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making creative efforts belong to the scope of protection of this application.
[0026] The present application relates to an image comparison method and system. According to the application, the target image is compared with the standard image in different regions, which reduces the comparison features in each comparison process and improves the accuracy of the comparison. At the same time, the automatic and accurate inspection saves manpower and material resources, greatly reducing the error rate.
[0027] Such as figure 1 Shown is the image comparison metho...
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The present application discloses an image comparison method and system, wherein the image comparison method specifically includes the following steps: acquiring a first target image; judging whether the first target image is blurred; Perform preliminary processing; otherwise, initially compare the first target image with the standard image to obtain a difference image; perform difference analysis on the first target image according to the difference image, and determine the position information of the difference image; perform the second step according to the position information of the difference image A second comparison between the target image and the standard image; according to the result of the second comparison between the first target image and the standard image, match the first target image with the standard image, and output the result. This application can compare the target image with the standard image in different regions, which reduces the comparison features in each comparison process and improves the accuracy of the comparison. At the same time, the automatic and accurate inspection saves manpower and material resources, greatly reducing the Error occurrence rate.
Description
technical field [0001] The present application relates to the computer field, and in particular, relates to an image comparison method and system. Background technique [0002] In the prior art, usually a plurality of images are pre-stored in a database, and the image to be authenticated is compared with the images in the database, so as to complete the image comparison. Furthermore, in the prior art, the feature quantity of the image to be authenticated is usually compared with the feature quantity of the image in the database during the comparison process. If the comparison results are consistent, the authentication is passed. However, this comparison method requires a one-time If there are too many features to be compared and multiple comparisons are required, it is likely to cause inaccurate comparison results between the image to be authenticated and the standard image. [0003] Therefore, how to quickly and accurately complete the comparison between images is an urgen...
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IPC IPC(8): G06K9/62
CPCG06V10/751G06F18/22
Inventor 徐小君李慧
Owner 湖北微视艺展文化科技有限公司