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A dynamic video editing method and system thereof
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A video editing and dynamic technology, applied in the field of video synthesis, can solve problems such as adjusting other video elements
Active Publication Date: 2022-06-21
新华智云科技有限公司 +1
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[0005] The present invention provides a dynamic video editing method, which solves the problem that when dealing with video duration variable elements (such as data visualization elements, etc.) when editing video in the form of a time axis, each time the duration of the variable duration element changes, other elements need to be adjusted. Issues with the temporal position of video elements
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Embodiment 1
[0044] A dynamic video editing method, comprising the following steps:
[0045] Step 1, input element nodes and logic nodes, connect the element nodes and logic nodes, and generate directed graph data;
[0046] Step 2, obtain the video element, combine the described directed graph data, generate the video element directed graph data with the video element showing logical relationship;
[0047] Step 3, according to the video element directed graph data and the video element, calculate the node duration, and generate the video element weighted directed graph data containing the node presentation duration;
[0048] Step 4, according to the weighted directed graph data of the video elements, calculate the time position information of each element node and the total video duration, and generate video timeline data;
[0049] Step 5, synthesizing the final video according to the video timeline data.
[0050] The element node includes presentation elements in the video, such as text...
Embodiment 2
[0078] A dynamic video editing system includes a node editor and a video editor, wherein the node editor is used to edit element nodes and logical nodes to generate directed graph data;
[0079] The video editor is used to call the directed graph data and video elements, generate the directed graph data of the video elements, that is, the weighted directed graph data of the video elements, calculate the display duration to generate the timeline data, and generate the video according to the timeline data.
[0080] Based on the above system, the present embodiment also discloses a dynamic video editing system method, which specifically includes:
[0081] 1. Template design stage: Add the required element nodes and logic nodes in the editing interface of the node editor, construct the required video element presentation logic by connecting the nodes, and generate and save the video node connection directed graph data. , the data will be used as a video template. The data of the c...
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Abstract
The present invention relates to the technical field of video synthesis, and specifically discloses a dynamic video editing method and system thereof, including inputting element nodes and logic nodes, connecting the element nodes and logic nodes to generate directed graph data; obtaining video elements, Combining the directed graph data to generate video element directed graph data with video element presentation logic relationships; according to the video element directed graph data and video elements, calculate node duration, and generate video elements with display duration data Weighted directed graph data; according to the weighted directed graph data of video elements, calculate the start time and display duration of each element node, as well as the total duration of the video, and generate video timeline data; synthesize the final video based on the video timeline data. The present invention solves the problem that the time position of other video elements needs to be adjusted every time the duration of the variable duration element changes when the existing video edited in the time axis mode is dealing with the variable duration element of the video.
Description
technical field [0001] The invention relates to a video synthesis technology, in particular to a video synthesis technology with dynamically variable element duration. Background technique [0002] With the advent of the 5G era, video has increasingly become an important information dissemination medium, and people are more inclined to watch videos to obtain information more simply, intuitively and conveniently. Data visualization video is a combination of data and visualization technology, the data is displayed in the form of visualization and animation, and the data is vividly displayed in the form of charts and other forms. The data visualization content is usually dynamic, and the content duration is usually determined according to the data. [0003] Currently commonly used video editors such as Adobe After Effect, etc., the editing method of time is usually based on the timeline, and the time information of all video elements is relatively the time of the entire timelin...
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