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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
  • Application Information

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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, it is necessary to design a technical solution that can authenticate the original data (such as time, place, etc.) of photo images and photo-taking behaviors.

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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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Embodiment Construction

[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 noted that those skilled in the art can make several modifications and improvements 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 an intelligent mobile terminal provided by the present invention utilizes a photographing program (APP) of an intelligent mobile terminal. The photographing program (APP) can combine PKI digital certificate authentication technology and import User credentials or device credentials, and generate an embedding of the photo-taking authentication information to obtain a certifiable photo. Photos can be extracted and authenticated ...

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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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