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Video recognition method, system and device based on pattern mutation frame and feature calculation

A video recognition and feature calculation technology, applied in the field of image processing, can solve problems such as high complexity, large amount of video feature value information, and low recognition accuracy, so as to avoid missed and misjudgment, improve recognition accuracy, and complex low degree of effect

Active Publication Date: 2019-03-29
MAYWIDE TECH
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Problems solved by technology

[0008] The key to the above method lies in the calculation method of the feature value of the sample video. There are two problems in this calculation method: 1) The video to be checked has few own features, which is prone to missed and misjudged, and the recognition accuracy is low; 2) , In order to improve the accuracy of video recognition, the video feature value obtained by the existing calculation method has a large amount of information, which increases the difficulty of sample library retrieval and high complexity

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  • Video recognition method, system and device based on pattern mutation frame and feature calculation
  • Video recognition method, system and device based on pattern mutation frame and feature calculation

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Embodiment Construction

[0052] The present invention will be further explained and described below in conjunction with the accompanying drawings and specific embodiments of the description. For the step numbers in the embodiment of the present invention, it is only set for the convenience of explanation and description, and there is no limitation on the order of the steps. The execution order of each step in the embodiment can be carried out according to the understanding of those skilled in the art Adaptive adjustment.

[0053] refer to figure 1 , the present invention is based on the video recognition method of pattern mutation frame and feature calculation, comprises the following steps:

[0054] Calculate the pattern data of each frame of picture in the video;

[0055] Calculate the pattern similarity between two adjacent frames of pictures according to the pattern data of the picture;

[0056] Threshold comparison is performed on the pattern similarity between two adjacent frames of pictures ...

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Abstract

The invention discloses a video identification method, system and device based on pattern mutation frame and feature calculation. The method comprises the following steps of: calculating the pattern data of each picture frame in the video; according to the pattern data of the picture, calculating the pattern similarity between two adjacent pictures; comparing the similarities of image patterns between two adjacent frames to obtain abrupt frames; obtaining a characteristic code to be identified according to the abrupt change frame; according to the pre-stored video characteristic code, searching and matching the characteristic code to be identified, and obtaining the video recognition result; Wherein the to-be-identified signature and the video signature are both in a text format. The invention can avoid missed judgment and misjudgment, improve the identification accuracy, greatly reduce the difficulty of sample library retrieval, has low complexity, and can be widely applied in the field of image processing technology.

Description

technical field [0001] The invention relates to the technical field of image processing, in particular to a video recognition method, system and device based on sudden pattern frame and feature calculation. Background technique [0002] Glossary: [0003] Pattern is the abbreviation of picture fingerprint. Image fingerprint, also known as image hash (Image Hash), specifically maps the high-dimensional content features of the image into the binary space to generate a low-dimensional hash sequence that can represent the image. [0004] The abrupt frame refers to a frame in which the content of the picture is quite different from that of the previous frame in the continuous multiple frames of the video stream, and the difference can be measured by the pattern difference. [0005] The abrupt frame interval refers to the frame number difference between two consecutive abrupt frames in the video stream. [0006] In the field of TV advertisement broadcast monitoring, it is neces...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06K9/62G06Q30/02
CPCG06Q30/0272G06V20/41G06F18/22
Inventor 邵山魏延峰唐昊
Owner MAYWIDE TECH
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