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Image superposition method and device, and electronic equipment

A superposition method and image technology, applied in the field of image processing, can solve problems such as consumption, complex processing process, and multiple CPU computing resources.

Pending Publication Date: 2020-07-07
SHENZHEN HONGHE INNOVATION INFORMATION TECH CO LTD
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  • Claims
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Problems solved by technology

At present, the superposition of the station logo image and the video image is realized through CPU processing. The processing process is generally to first convert the video image in the NV12 format to the video image in the YUV format, and convert the station logo image in the BMP format to the AYUV format. Station logo image, the video image of converted YUV format and the station logo image of AYUV format are synthesized into a superimposed image in YUV format, and finally the superimposed image in YUV format is converted into a superimposed video image in NV12 format; the above-mentioned processing process is relatively complicated and requires Consumes more CPU computing resources

Method used

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  • Image superposition method and device, and electronic equipment
  • Image superposition method and device, and electronic equipment

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Embodiment Construction

[0034] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0035] It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are to distinguish two entities with the same name but different parameters or parameters that are not the same, see "first" and "second" It is only for the convenience of expression, and should not be construed as a limitation on the embodiments of the present invention, which will not be described one by one in the subsequent embodiments.

[0036] figure 1 It is a schematic flow chart of the method of the embodiment of the present invention. As shown in the figure, the image overlay method provided by the embodiment of the present invention is used to overlay the first image and the second image, wherei...

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Abstract

The invention discloses an image superposition method, an image superposition device, and electronic equipment. The image superposition method comprises the steps of: converting a first image in a first format into a third image and a fourth image, wherein the third image is a color component image in a second format, and the fourth image is a transparent component image in the second format; andsuperposing the color component image, the transparent component image and a second image in a second format to generate a superposed target image. According to the image superposition method and theimage superposition device, the superposition of images can be realized by using fewer computing resources, and the computing resources are saved.

Description

technical field [0001] The present invention relates to the technical field of image processing, in particular to an image superimposition method and device, and electronic equipment. Background technique [0002] In order to identify video content, adding a logo to video images has been widely used in industries such as broadcasting and television. At present, the superposition of the station logo image and the video image is realized through CPU processing. The processing process is generally to first convert the video image in the NV12 format to the video image in the YUV format, and convert the station logo image in the BMP format to the AYUV format. Station logo image, the video image of converted YUV format and the station logo image of AYUV format are synthesized into a superimposed image in YUV format, and finally the superimposed image in YUV format is converted into a superimposed video image in NV12 format; the above-mentioned processing process is relatively comp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/265
CPCH04N5/265
Inventor 姚旭
Owner SHENZHEN HONGHE INNOVATION INFORMATION TECH CO LTD
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