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Special effect graph processing method and system for images with multiply pixel ratios

An image processing and image processing device technology, applied in the direction of image communication, TV system parts, color TV parts, etc., can solve the problems of not considering the pixel ratio and the user is not easy to observe, so as to improve the processing efficiency and reduce the The effect of the number of pixel ratio transformations

Inactive Publication Date: 2012-07-04
北京市文化科技融资租赁股份有限公司
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AI Technical Summary

Problems solved by technology

The existing domestic software generally does not consider the pixel ratio problem, and the result is that a perfect circle becomes an ellipse, and a square becomes a rectangle, but it is difficult for users to observe this situation when the pixel ratio difference is not large

Method used

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  • Special effect graph processing method and system for images with multiply pixel ratios
  • Special effect graph processing method and system for images with multiply pixel ratios
  • Special effect graph processing method and system for images with multiply pixel ratios

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Embodiment Construction

[0022] The present invention will be described in detail below in conjunction with specific embodiments and accompanying drawings.

[0023] figure 1 A structural block diagram of a special effect image processing system for a multi-pixel ratio image of the present invention is shown, and the system includes the following devices:

[0024] Image input device 11: used to input the image to be processed from the special effect graph node;

[0025] Image processing device 12: for converting the input image into a uniform pixel ratio;

[0026] Image output device 13: for outputting the input image after the pixel ratio is unified.

[0027] Wherein, the image processing device 12 includes a multi-pixel ratio image processing module for unifying the pixels of the multi-pixel ratio input image, and the method for unifying the pixel ratio of the multi-pixel ratio input image is specifically as follows:

[0028] First check whether the pixel ratios of all input images of the node are...

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Abstract

The invention discloses a special effect graph processing method and a special effect graph processing system for images with multiply pixel ratios. The method and the system are applied according to the following steps of: firstly, checking whether the pixel ratios of all input images of a node are the same and if yes, directly outputting the images; and if no, further providing different selection modes for the pixel ratios of the input and output images according to the number of the input images of the node. By the method and the system which are disclosed by the invention, a user can carry out mixed processing on the image with any pixel ratio in a special effect graph and the correct visual effect can be ensured. The times of carrying out pixel ratio conversion on the image in the special effect graph are effectively reduced. The processing efficiency is improved.

Description

technical field [0001] The invention belongs to the technical field of video processing and synthesis software, and in particular relates to a method and system for processing special effect images of multi-pixel ratio images. Background technique [0002] In video post-production special effects processing and synthesis software, video and images are often processed in the form of special effect graphs. The basic unit in the special effect graph is a node. A node often has multiple inputs and one output. The inputs and outputs of these nodes are interconnected. Constitute the entire special effects map. Since there are many kinds of pixel ratios in the current mainstream video and image formats, for example, for the color coding of the PAL (Phase Alternating Line, progressive phase inversion) standard, the video pixel ratio of the picture aspect ratio is 4:3 is 16:15, The pixel ratio of high-definition video is 1:1. Therefore, a node may process input images with differen...

Claims

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Application Information

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IPC IPC(8): H04N5/262
Inventor 见良郑鹏程刘铁华李磊
Owner 北京市文化科技融资租赁股份有限公司
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