Video live broadcast control method and device

A technology of video live broadcast and control method, which is applied in the direction of TV, color TV, color TV parts, etc., can solve the problems of inability to automate, high cost, low efficiency, etc., and achieve the effect of improving efficiency

Active Publication Date: 2017-04-26
IFLYTEK CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] It can be seen that in the existing multi-camera live broadcast technology, since each camera needs to be equipped with manual tracking and shooting, the director station also needs to be equipped with manual selection of suitable images for broadcasting, which requires a professional and complete camera director team, cost Higher, can not be automated, low efficiency

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  • Video live broadcast control method and device
  • Video live broadcast control method and device

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Embodiment Construction

[0050] The implementation of the present invention is described below through specific examples and in conjunction with the accompanying drawings, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific examples, and various modifications and changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention.

[0051] Before introducing the present invention, cooperate with figure 1 Some nouns used in the present invention are described as follows:

[0052] Shooting direction: Indicates which direction the camera shoots in the three-dimensional space;

[0053] Zoom: Indicates the zoom of the camera lens;

[0054] Proportion of interest points: Indicates the ratio of interest points (such as huma...

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Abstract

The invention discloses a video live broadcast control method and device. The method includes: obtaining a video image input signal of positioning cameras, and obtaining position information of a point of interest in an image according to the video image input signal; according to the obtained position information of the point of interest, calculating shooting parameters of the view-finding cameras and generating a control signal, and controlling the view-finding cameras to perform shooting according to the shooting parameters; obtaining shooting pictures of the plurality of view-finding cameras, and calculating the suitability degree of the pictures shot by the view-finding cameras; and outputting one or more paths of shot pictures in the plurality of view-finding cameras according to a switching control strategy. Through the video live broadcast control method provided by the invention, automatic control of multi-camera video live broadcasting can be realized.

Description

technical field [0001] The present invention relates to the technical field of video playback, in particular to a video live broadcast control method and device for multi-camera automatic switching. Background technique [0002] In the existing multi-camera video broadcasting system, multiple cameras are generally equipped to shoot stage images from multiple angles, and then the most suitable camera is selected for live broadcasting. In order to achieve the effect of shooting from multiple angles, it is necessary to arrange multiple cameras in different positions to shoot pictures separately. Each camera is equipped with a cameraman to track the actors on the stage to shoot, and the division of labor and cooperation. The whole picture, the pictures of multiple cameras are finally input to the director station, and the director station is equipped with a director, who watches the picture effect of each camera, and then outputs the most suitable camera picture for broadcasting...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/232H04N5/247H04N5/268G06K9/00G06K9/32
CPCH04N5/268G06V20/41G06V10/25H04N23/69H04N23/90
Inventor 卢明敬史峰
Owner IFLYTEK CO LTD
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