Image change area detection threshold setting method and system and electronic device thereof

A technology of image change and setting method, which is applied in the field of intelligent visual recognition to achieve the effect of improving accuracy, fast and precise recognition

Active Publication Date: 2019-06-18
创新奇智(南京)科技有限公司
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  • Abstract
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Problems solved by technology

[0004] In order to solve the technical problems existing in the threshold setting in the detection of the existing image change area, the present invention provides a method, system and electronic device for setting the threshold value of the image change area detection

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  • Image change area detection threshold setting method and system and electronic device thereof
  • Image change area detection threshold setting method and system and electronic device thereof
  • Image change area detection threshold setting method and system and electronic device thereof

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[0037] In order to make the object, technical solution and advantages of the present invention clearer, the invention will be further described in detail below in conjunction with the accompanying drawings and implementation examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0038] The first embodiment of the present invention provides a method for setting an image change area detection threshold to improve the accuracy of image change detection in the field of intelligent visual recognition and meet the usage requirements in different scenarios.

[0039] In order to better illustrate the information provided by the present invention, the process of using the smart container is taken as an example for illustration. In the field of unmanned vending, by taking real-time photos of the goods for sale in the container and analyzing the images of the goods for sale, the ...

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Abstract

The invention relates to the field of intelligent visual recognition, in particular to an image change area detection threshold setting method and system and an electronic device thereof. The method comprises the steps of obtaining a first image before and after scene change and a second image corresponding to the first image, and performing fuzzification processing on the first image and the second image to obtain a processed first blurred image and a processed second blurred image; Calculating a difference value between corresponding pixel points of the first blurred image and the second blurred image to obtain a first difference image; And further optimizing the first difference image to obtain a second difference image, and processing the second difference image by using an Otsu algorithm to obtain a threshold value detected based on a change area between the first image and the second image. According to the method, the image change area can be accurately and efficiently detectedby obtaining the threshold value, environmental interference is prevented from influencing the image change detection precision, and the use requirements of the field of contemporary intelligent containers are met. The image change area detection threshold setting system and the electronic device thereof have the same beneficial effects as the method.

Description

【Technical field】 [0001] The invention relates to the field of intelligent visual recognition, in particular to a method, system and electronic device for setting an image change area detection threshold. 【Background technique】 [0002] Now the new retail industry is gradually emerging, and unmanned containers have also been widely promoted. The unmanned containers currently on the market can identify the products for sale displayed on the container by obtaining real-time image information of the products for sale in the container, for example, by detecting the changes between the images of the products for sale taken at different times, knowing The sales status of the item for sale. Currently, the commonly used method for detecting image change regions is to set a threshold, and distinguish the pixel level of the image through the threshold, so as to realize the separation of the changing target product from the background. However, if the threshold is set too high, it wi...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/00G06T5/00
Inventor 张发恩柯政远
Owner 创新奇智(南京)科技有限公司
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