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Image masking method, device, apparatus and system

A technology in images and images, applied in the field of image processing, can solve the problems of poor shading effect and inability to form effective shading, and achieve the effect of improving the shading effect

Pending Publication Date: 2019-03-05
HANGZHOU HIKVISION DIGITAL TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, the position of the occlusion picture in the video image is usually preset, and if the sensitive area does not fall at the position of the occlusion picture, effective occlusion cannot be formed.
It can be seen that applying the above scheme, the masking effect is poor

Method used

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  • Image masking method, device, apparatus and system
  • Image masking method, device, apparatus and system
  • Image masking method, device, apparatus and system

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Embodiment approach

[0076] As an implementation manner, S101 may include:

[0077] Input the image into the pre-learned detection model to obtain an output result; wherein, the detection model is obtained by learning a preset image sample using a deep learning algorithm, and the preset image sample contains the Masked image content; according to the output result, determine the target area to be masked in the image.

[0078] It should be noted that the above "image content to be masked" is consistent with the content in the target area to be masked in S101. For example, if the above-mentioned "image content to be covered" is a human face, then the content in the target area to be covered in S101 is also a human face; if the above-mentioned "image content to be covered" is a license plate, then the target to be covered in S101 The content in the area is also the license plate.

[0079] If it is necessary to cover the face area in the image, the face image sample is learned by using the deep lear...

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Abstract

The embodiment of the invention provides an image masking method, device, apparatus and system. The method comprises the following steps of detecting a target area to be masked in the image for each frame of the image; modifying the image data in the target region to preset masking data to obtain the masked image. In the first aspect, the scheme does not mask the sensitive region of the image based on the fixed position of the mask picture, but first detects the position of the sensitive region (target region) in the image, and then modifies the image data at the position, so that the sensitive region can be detected even if the sensitive region is moved, and the masking effect is improved. In the second aspect, if only the occluded picture is set in the image display process, the image inthe transmission process is still an unoccluded image, the privacy content in the image may be leaked, and the security is low. However, the scheme modifies the image data itself, and the image in the transmission process is an occluded image, so that the security of the data is improved.

Description

technical field [0001] The present invention relates to the technical field of image processing, in particular to an image masking method, device, equipment and system. Background technique [0002] During image display, it is usually necessary to mask sensitive areas in the image. The sensitive area is usually an image area that involves privacy or needs to be kept secret. For example, when playing a video, in order to protect the privacy of the parties, it is usually necessary to mosaic or blacken the face; or, for some information in the image that needs to be kept secret, such as the license plate, ID card, etc., it is usually also required to be mosaiced or blackened. [0003] Usually, the image masking scheme includes: the terminal obtains the video stream collected by the acquisition device; when the terminal displays the video image in the video stream, a masking picture is set in the area where a face or other confidential information may appear in the image, and t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T11/40G06T9/00
CPCG06T9/00G06T11/40
Inventor 陈益伟
Owner HANGZHOU HIKVISION DIGITAL TECH
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