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Image depth-of-field processing method and system based on mobile game platform

A processing method and image technology, which is applied in the field of image processing, can solve the problems of complex technology, low efficiency of mobile game platforms, and inability to use large-scale mobile platforms, so as to achieve the effect of improving efficiency and simplifying the process of image depth of field

Active Publication Date: 2021-06-11
FUJIAN TQ DIGITAL
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the technical complexity of the implementation of depth of field, the existing technology is very inefficient on the mobile game platform and cannot be used on a large scale on the mobile platform.

Method used

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  • Image depth-of-field processing method and system based on mobile game platform

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Embodiment Construction

[0059] The present invention will be further described below in conjunction with the accompanying drawings.

[0060] The invention provides a method for processing image depth of field based on a mobile game platform, said method comprising the following steps:

[0061] Step S1, performing multiple progressive sampling on the source image of the mobile game platform, realizing image blurring processing, and generating a blurred picture;

[0062] The multiple progressive sampling in the step S1 is specifically:

[0063] In the image vertex shader rendering stage, record the texture coordinate value of each pixel of the image offset by 2 pixels. The texture coordinate calculation formula is as follows: the first texture coordinate value is (-uv.x*2.0,0.0); the second The first texture coordinate value is (-uv.x, uv.y); the third texture coordinate value is (0.0, uv.y*2.0); the fourth texture coordinate value is (uv.x, uv.y); The fifth texture coordinate value is (uv.x*2.0,0.0)...

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Abstract

The invention provides an image depth-of-field processing method based on a mobile game platform. The method comprises the steps: S1, carrying out the gradual sampling of a source image of the mobile game platform for multiple times, achieving the fuzzy processing of the image, and generating a fuzzy image; s2, a foreground image and a background image are distinguished according to the depth value of the focus position, a foreground image synthesis coefficient and a background image synthesis coefficient are calculated, and finally, the current screen position and the focus position screen depth value are compared to generate an image synthesis coefficient graph; and S3, combining the blurred image and the original image by using the image synthesis coefficient image, and generating a target image. According to the method, the image depth-of-field process can be simplified, and the working efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of image processing, in particular to an image depth-of-field processing method and system based on a mobile game platform. Background technique [0002] Depth of Field (DOF) refers to the front and back distance range of the subject measured by imaging that can obtain clear images at the front of the camera lens or other imagers. The aperture, lens, and distance of the subject are important factors affecting the depth of field. Depth of field is a technical term in photography: After focusing, a clear image can be formed in the range before and after the focus. . The sharpness of the scene image is not completely consistent within the depth of field, and the sharpness at the focal point is the highest, and the sharpness of the rest of the image decreases in direct proportion to the distance between it and the focal point. [0003] With the vigorous development of the game industry and the continuous impr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/55G06T5/50
CPCG06T7/55G06T5/50
Inventor 刘德建胡铭王兆安董良昌陈宏展
Owner FUJIAN TQ DIGITAL