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Ring graph processing method of flow chart nodes in video effect processing

A technology for flow chart nodes and video special effects, which is applied to the components of color TVs, TV system components, TVs, etc. It can solve problems such as flow chart nodes and loops, and achieve the effect of avoiding infinite loops.

Inactive Publication Date: 2012-09-26
CHINA DIGITAL VIDEO BEIJING
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Problems solved by technology

[0006] The purpose of the present invention is to provide a ring graph processing method for flowchart nodes in order to solve the above problem by judging the connection mode of the basic nodes in view of the problem that the loop graph may appear in the flowchart node in the post-video special effect processing and synthesis software

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  • Ring graph processing method of flow chart nodes in video effect processing
  • Ring graph processing method of flow chart nodes in video effect processing
  • Ring graph processing method of flow chart nodes in video effect processing

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Embodiment Construction

[0016] The present invention will be described in detail below in conjunction with specific embodiments and accompanying drawings.

[0017] In the logic of the flowchart, each node is in a container, and the container can be used as a node in another container, nested layer by layer, and non-container nodes are called basic nodes.

[0018] Such as figure 1 As shown, the ring graph processing method of the flowchart node in the video special effect processing provided by the present invention includes the following two aspects of processing:

[0019] (1) Connection processing of basic nodes

[0020] Basic nodes are non-container nodes, and the connection relationship between them is a simple connection relationship. The present invention does not allow the appearance of a ring graph in the connection of basic nodes, that is, the output of a node cannot return to the input of the node after a series of connections, otherwise it will cause an infinite loop and seriously affect ...

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Abstract

The invention relates to the technology of video image processing, specifically to a ring graph processing method of flow chart nodes in video effect processing. In establishing the connection relations of a flow chart, the method comprises: first searching for the upstream nodes of basic nodes through recursion, to avoid the appearance of ring graphs in the connection of flow chart basic nodes and lay a foundation for the processing of flow chart node ring graphs; and in generating node ring graphs, directly through decomposing container nodes, replacing the container nodes with the basic nodes from decomposition, thereby solving the problem of closed connection loops in the flow chart and avoiding the appearance of endless loops in the flow chart processing.

Description

technical field [0001] The invention relates to a video image processing technology, in particular to a ring graph processing method of flow chart nodes in video special effect processing. Background technique [0002] Video post-production special effects processing and compositing software will provide users with a large number of video special effects so that users can perform various processing on videos, such as color correction, blurring, motion, deformation, sweeping and so on. In the field of video post-production special effects processing and synthesis, in addition to requiring these special effects to provide as many functions as possible, it is also necessary for these special effects to be processed as fast as possible, because whether it is for the purpose of compositing or editing Add a lot of special effects, if the speed of these special effects is very slow, it will make the user very inefficient when adjusting. [0003] In special effect processing and co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/262
Inventor 李磊郑鹏程刘铁华
Owner CHINA DIGITAL VIDEO BEIJING
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