Method for authenticating primitiveness of picture photographed by intelligent mobile terminal

A technology of smart mobile terminals and authentication methods, which is applied in the field of verifiable originality of photos taken by smart mobile terminals, can solve problems such as incapable photos and original authentication, and achieve the effect of easy promotion and high security

Active Publication Date: 2014-03-19
SHANGHAI JIAO TONG UNIV
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  • Description
  • Claims
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Problems solved by technology

[0004] The positioning of the above patent documents is the detection of image tampering, and the originality of photos cannot be authenticated. Therefore, i

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  • Method for authenticating primitiveness of picture photographed by intelligent mobile terminal
  • Method for authenticating primitiveness of picture photographed by intelligent mobile terminal
  • Method for authenticating primitiveness of picture photographed by intelligent mobile terminal

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[0034] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be pointed out that for those of ordinary skill in the art, a number of modifications and improvements can be made without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0035] The method for authenticating the originality of photos taken by the smart mobile terminal provided by the present invention uses the smart mobile terminal camera program (APP), which can be combined with the PKI digital certificate authentication technology and imported into the camera program (APP) User certificate or device certificate, and generate the embedding of the authentication information of the taken photo to obtain a verifiable photo. Photographs can be...

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Abstract

The invention provides a method for authenticating primitiveness of a picture photographed by an intelligent mobile terminal. The method is based on a PKI digital certificate authentication system. When a user photographs, photographing behavior relevant information (individual or device attribute information) and the related original information like a picture image and so on are signatured via a user certificate or a device certificate led into a photographing program (APP). Steganography embedding of signature information in the picture image is realized on the basis of an image steganography algorithm so that objectives of picture integrity, primitiveness authentication, non-repudiation and photographing behavior authentication are achieved. Special examination program authentication can be used via the authenticable picture acquired by the aforementioned photographing program (APP). A corresponding certificate public key is used for verifying the signature via reversely extracting the embedded information so that examination of the picture is completed.

Description

technical field [0001] The invention relates to photo authentication, in particular to a photo originality certifiable method based on image steganography and a PKI digital certificate system, and in particular to a photo originality certifiable method for taking photos by an intelligent mobile terminal. Background technique [0002] With the increasing number of smart phone users, it is more convenient and popular to use the built-in camera function of the mobile phone to take pictures. For some specific demand occasions, it is hoped that the photo behavior can be authenticated, including the author or device terminal of the photo, as well as related attribute information such as the time and geographical location of the photo. Most of the photos that met the requirements of forensics were taken on the basis of special shooting equipment, which is not only expensive, but also difficult to meet the needs of ordinary users. [0003] After searching the prior art, it was foun...

Claims

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Application Information

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IPC IPC(8): G06T1/00
Inventor 蒋兴浩曹晋其陈晟焦恩伟施行健
Owner SHANGHAI JIAO TONG UNIV
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