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A frame rate adjustment method and electronic equipment

A technology of electronic equipment and adjustment method, which is applied in the field of computer and can solve the problems of too fast moving target and inaccurate detection results.

Active Publication Date: 2018-07-03
LENOVO (BEIJING) LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] Embodiments of the present invention provide a frame rate adjustment method and electronic equipment, which are used to solve the inaccurate detection result caused by the speed of the moving target being too fast or too slow when the moving target is detected by the symmetrical difference method in the prior art question

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  • A frame rate adjustment method and electronic equipment
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Embodiment Construction

[0052] The frame rate adjustment method in the embodiment of the present invention may include: when performing foreground detection on a multimedia file, sequentially obtaining the first frame image, the second frame image, and the second frame image obtained by sampling the multimedia file at a first frame rate Three frames of images; determine the first area where the moving target in the video file is located according to the first frame image, the second frame image and the third frame image; determine whether the first area satisfies a preset Condition: if the first region does not satisfy the preset condition, adjust the sampling frame rate from the first frame rate to a second frame rate.

[0053] In the embodiment of the present invention, the first area is determined according to the first frame image, the second frame image and the third frame image, and it is judged whether the first area satisfies the preset condition, if the If the first region satisfies the pres...

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Abstract

The invention discloses a frame rate adjustment method for improving the accuracy of foreground detection. The method includes: when performing foreground detection on a multimedia file, sequentially obtaining a first frame image, a second frame image and a third frame image obtained by sampling the multimedia file at a first frame rate; One frame image, the second frame image and the third frame image determine the first area where the moving target in the video file is located; determine whether the first area satisfies a preset condition; if the first area If the preset condition is not satisfied, the sampling frame rate is adjusted from the first frame rate to a second frame rate. The invention also discloses the corresponding electronic equipment.

Description

technical field [0001] The invention relates to the technical field of computers, in particular to a frame rate adjustment method and electronic equipment. Background technique [0002] In many cases, we need to find a target of interest, that is, a moving target, from a video or a series of pictures. For example, to set an alarm when a person enters a closed supermarket, the premise is that someone is detected. In order to achieve this goal, the technology of foreground detection is produced, or it can also be called moving object detection technology. [0003] At present, foreground detection probably includes several different methods such as inter-frame difference method, background difference method and symmetrical difference method. [0004] The inter-frame difference method is to find the target area where the moving target is located by making the difference between two adjacent frames. The method has the advantages of high real-time performance, simple algorithm, ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/14
Inventor 蔡明祥
Owner LENOVO (BEIJING) LTD