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Image interception method and device, equipment and medium

An image and image technology, applied in the field of image processing, can solve the problems of unable to automatically detect the target area, insufficient removal of irrelevant information, troublesome operation, etc.

Pending Publication Date: 2020-11-27
成都市精卫鸟科技有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional image capture method has two disadvantages: on the one hand, it cannot automatically detect the target area, and the operation is troublesome; on the other hand, the traditional method of removing irrelevant information based on a rectangular area is prone to insufficient removal of irrelevant information
[0005] At present, there are already some relatively mature curve detection methods. These detected curves can be the edge lines of objects in the image, or curves drawn in the image, which makes it possible to perform image interception based on the curves in the image.

Method used

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  • Image interception method and device, equipment and medium
  • Image interception method and device, equipment and medium
  • Image interception method and device, equipment and medium

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Embodiment Construction

[0051] In order to facilitate the understanding of those skilled in the art, the present invention will be further described below in conjunction with the embodiments and accompanying drawings, and the contents mentioned in the embodiments are not intended to limit the present invention.

[0052] figure 1 It is a schematic flow chart of an image interception method provided in the embodiment of the present application, the method includes:

[0053] S101: Acquire an image to be detected including an image of a target area. For example, see figure 2 as shown, figure 2 It is a schematic diagram of the image to be detected provided by the embodiment of the present application.

[0054] The image of the target area is the image of the area of ​​interest, which is the part of the image that needs to be acquired. In the embodiment of the present application, the image to be detected can be obtained through various image acquisition devices such as a camera, a mobile phone, and ...

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Abstract

The invention discloses an image interception method and device, equipment and a medium. The method comprises the steps of: obtaining a to-be-detected image containing a target area image; detecting acurve in the to-be-detected image to obtain two segmentation curves; and obtaining the target area image based on the two segmentation curves. The method further comprises the following steps: in thetarget area image, obtaining a closed area defined by the two segmentation curves; and setting an area outside the closed area in the target area image as a background color or a transparent color orother pure colors.

Description

technical field [0001] The present invention relates to the field of image processing, in particular to an image interception method, device, equipment and medium. Background technique [0002] In images acquired by devices such as cameras and mobile phones, only a part of the region images may be of interest to the user, while the rest of the region images are not of interest to the user. In order to better use and process the image, it is necessary to intercept the image of the region of interest. [0003] For example, use a mobile phone to take pictures of test questions to obtain the content of the target test questions, and perform test question retrieval based on the content of the target test questions. In practical applications, the captured pictures often contain not only the images of the target test questions, but also images of other test questions. Intercepting the target test question image and clearing other non-target test question images can perform subsequ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/12G06T7/13G06T7/187
CPCG06T7/12G06T7/13G06T7/187G06T2207/10004
Inventor 杜乐强
Owner 成都市精卫鸟科技有限责任公司