Subgraph logic design method of flow chart in video special effects processing
A technology of video special effects and logic design, applied in color TV parts, TV system parts, TV and other directions, it can solve problems such as low efficiency and achieve a clear effect.
Inactive Publication Date: 2016-12-14
CHINA DIGITAL VIDEO BEIJING
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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 inefficient when adjusting
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[0013] The present invention will be described in detail below in conjunction with specific embodiments and accompanying drawings.
[0014] A flowchart is a logical structure topology diagram of a node. The basic unit of the flow chart is the node, including input node, output node, special effect node, etc. Each node forms a complete process of special effects processing and synthesis according to the connection mode designed by the user, and completes the processing and production of special effects. The flow chart nodes designed by the present invention are divided into two types: basic nodes and container nodes. They are all derived from a unified node interface, and there is a mapping table in the container node interface, which records the child nodes of the container node.
[0015] Basic nodes are simple nodes that perform a single function and cannot contain other nodes inside. The basic node corresponds to a certain special effect processing, or input, output and s...
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The invention relates to video image processing technology, in particular to a sub-graph logic design method of a flow chart in video special effect processing. The flow chart is a logical structure topology diagram with nodes as the basic unit, including input nodes, output nodes, and special effect nodes. Each node forms a complete process of special effect processing and synthesis according to the specific connection mode, and completes the processing and synthesis of special effects. production, the described nodes are divided into basic nodes and container nodes, and the described basic nodes complete a single function; the described container nodes are groups of several nodes to realize a complex function, and the container nodes are composed of a The form of logical subgraphs is nested in the current flowchart. The invention can facilitate the user's video special effect processing flow design, simplify related operations, and make the flow chart clear in layers.
Description
technical field [0001] The invention relates to video image processing technology, in particular to a sub-graph logic design method of a flow chart 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] The timeline is widely used in tradition...
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IPC IPC(8): H04N5/262
Inventor 李磊郑鹏程见良
Owner CHINA DIGITAL VIDEO BEIJING