Video foreground deletion tampering detection method

A detection method and video technology, applied in the Internet and multimedia fields, can solve problems such as gaps in practical application requirements, strong limitations, and low detection accuracy, and achieve the effects of short detection time, strong robustness, and high detection accuracy

Active Publication Date: 2019-04-19
FUZHOU UNIV
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  • Abstract
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Problems solved by technology

[0004] However, the massive, high-dimensional, and non-linear characteristics of digital video data have brought great challenges to the research of video tampering detection methods.
Although many scholars at home and abroad have carried out related research and proposed a variety of different tamper detection methods, these methods still have problems such as low detection accuracy, high complexity, and strong limitations, which are not consistent with practical application requirements. There is still a big gap

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  • Video foreground deletion tampering detection method
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  • Video foreground deletion tampering detection method

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Embodiment Construction

[0055] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0056] It should be pointed out that the following detailed description is exemplary and is intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0057] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combina...

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Abstract

The invention relates to a video foreground deletion tampering detection method. The method comprises the steps of computing energy factors of a to-be-detected video and constructing an energy factorcurve, and accurately detecting start and stop positions of a tampered video sequence on a time domain; extracting a tampered trace of each frame in the tampered video sequence through adoption of anadaptive parameter-based visual background extractor improved algorithm; and combining detection results in a time domain and a space domain and obtaining a final detection result. According to the method, a foreground deletion tampering mode existing in the video is effectively detected. The method is characterized by short detection time, a high detection accuracy rate, high robustness and the like. Influence of disturbance of leafs, grass, trees and ripples in the video can be effectively resisted. Evidences are obtained for video area tampering. An effective detection method is provided.

Description

technical field [0001] The invention relates to the technical fields of the Internet and multimedia, in particular to a method for detecting deletion and tampering of a video foreground. Background technique [0002] With the vigorous development of the Internet and multimedia technology and the wide application of digital video, the authenticity of digital video content is becoming more and more serious. Many powerful video processing software are emerging, making it easy for non-professionals to use tools to process video content. Modify to achieve the effect of real ones. The content and meaning of tampered videos usually change. If these videos are used illegally, it may undermine judicial justice and even affect social stability. Therefore, it is increasingly urgent to determine the authenticity of the source and content of digital video, and digital video forensics has become one of the most important research topics in the field of information security. [0003] Del...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/89
CPCH04N19/89
Inventor 苏立超王石平罗欢
Owner FUZHOU UNIV
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