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Video image processing method, device and system

A technology of video image and processing method, which is applied in the field of video image processing, can solve problems such as large differences in video experience and different proportions of framing images, and achieve the effect of unity, coordination, and good viewing experience

Inactive Publication Date: 2019-01-15
BEIJING CENTURY TAL EDUCATION TECH CO LTD
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0003] Regardless of the above-mentioned recording and broadcasting method or live broadcasting method, since the viewfinder size used when recording a teacher’s multimedia teaching video file is generally fixed, the height or weight of the teacher’s own is different, causing them to be different in the entire viewfinder image. The proportions in the content are different, so that the video files corresponding to different teachers present to the students have a large difference in video experience

Method used

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  • Video image processing method, device and system
  • Video image processing method, device and system
  • Video image processing method, device and system

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Embodiment Construction

[0015] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0016] Teachers record their own teaching content into videos, and send the recorded videos to students to watch. Video teaching methods are becoming more and more common in the current education system. When recording teachers’ lecture videos, because the teacher’s height, fat and thin are different , Resulting in different proportions in the video framing screen, resulting in a large difference in visual perception when watching videos ...

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Abstract

The embodiment of the invention provides a video image processing method, which comprises the following steps: acquiring a person in a video image to be processed and a size of the person; calculatingan initial proportion of a person to a video image to be processed according to the size of the person; If the absolute value of the difference between the initial scale and the preset scale exceedsthe preset range, the size of the person or the background size in the video image to be processed is adjusted to obtain a video image in which the absolute value of the difference between the proportion of the person in the video image and the preset scale is within the preset range. The embodiment of the invention adjusts the size of the person or the size of the background when the proportion of the person in the video image is out of harmony, so as to improve the coordination and unity of the recorded video, improve the video quality and also improve the visual experience of the video viewer.

Description

Technical field [0001] The present invention relates to the field of computer image processing, in particular to a method, device and system for processing video images in video teaching. Background technique [0002] The current video teaching can be realized through recording and broadcasting and live broadcasting. Among them, recording means to record the multimedia teaching video files of the teachers in advance, and to play the recorded video files when the students need to be taught; live broadcasting refers to It is to push the multimedia teaching video information of the teacher being recorded to the student terminal for playback in real time. [0003] Regardless of the above-mentioned recording and broadcasting method or the live broadcasting method, since the current viewfinder size used when recording the multimedia teaching video files of the teacher is generally fixed, the teacher’s own height or weight is different, resulting in the entire viewfinder image The differ...

Claims

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Application Information

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IPC IPC(8): G06T5/50
CPCG06T5/50G06T7/13G06T7/194G06T7/60G06T2207/10016G06T2207/20221
Inventor 丁国齐
Owner BEIJING CENTURY TAL EDUCATION TECH CO LTD
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