Image addition processing method and device

A superimposition processing and image technology, applied in the multimedia field, can solve the problems of large amount of calculation, increase of resources and calculation time, difficulty in real-time display, etc., and achieve the effect of improving efficiency

Inactive Publication Date: 2012-07-11
GUANGDONG VTRON TECH CO LTD
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Problems solved by technology

For multi-layer image overlay, it takes multiple 2-layer image overlay processing to complete the overlay of all layers; a large amount of storage space is required to store images, and at the same time,

Method used

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  • Image addition processing method and device
  • Image addition processing method and device
  • Image addition processing method and device

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[0024] In order to facilitate the understanding of the present invention, the following description will be made with reference to the accompanying drawings.

[0025] The present invention proposes an image overlay processing method, please refer to figure 1 , including steps:

[0026] 101. Set the transparency value of each layer;

[0027] Set the transparency value of each layer, where the sum of the transparency of each layer is less than or equal to 1.

[0028] 102. Obtain the pixel value, effective value and transparent value of the pixel point at the same position of each layer;

[0029] 103. Calculate the sum of the product of the pixel value, the effective value and the transparent value of the pixel at the same position of each layer;

[0030] 104. Overlay data according to the product and the output layer.

[0031] Displays the sum of the products of all layers at the same location.

[0032] In the method of the present invention, a transparent value is set for ...

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Abstract

The invention provides an image addition processing method which comprise the following steps of: setting the transparency of each image layer, wherein the sum of transparency of all image layers is less than or equal to 1; obtaining pixel values, effective values and transparency of pixels of all image layers at the same position; calculating the product sum of the pixel values, effective values and transparency of pixels of all image layers at the same position; and displaying the product sum of all image layers at the same position. The invention provides an image addition processing device which can simultaneously add a plurality of image layers, improve addition processing efficiency of the plurality of image layers and can display the image layers in real time.

Description

technical field [0001] The present invention relates to the field of multimedia technology, in particular to an image superposition processing method and device. Background technique [0002] Image overlay technology has been widely used in video equipment. The existing image translucent overlay technology is generally limited to two layers of image overlay for each overlay process, that is, one image layer to be overlaid and one background layer. For multi-layer image overlay, it takes multiple 2-layer image overlay processing to complete the overlay of all layers; a large amount of storage space is required to store images, and at the same time, the amount of calculation is large, the calculation time is long, and it is difficult to display in real time. When the number of layers increases, The resources and computing time consumed are multiplied. Contents of the invention [0003] The purpose of the present invention is to propose a multi-layer image superimposition pr...

Claims

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Application Information

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IPC IPC(8): H04N5/262
Inventor 曹捷景博兰进城陈浩利鲜燚
Owner GUANGDONG VTRON TECH CO LTD
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