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Information hiding system, method and extraction method based on webpage text and image

A technology of information hiding and plaintext information, which is applied in image data processing, image data processing, semi-structured data mapping/conversion, etc. It can solve the problems of small amount of hidden information in HTML tags and is easy to be discovered, so as to improve the amount of information hiding , the effect of improving safety

Active Publication Date: 2020-04-07
SICHUAN CHANGHONG ELECTRIC CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] The technical problem to be solved by the present invention is: to propose an information hiding system, method and extraction method based on web page text and images, and solve the problem that the amount of hidden information in HTML tags is small and easy to be discovered in the traditional technology

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  • Information hiding system, method and extraction method based on webpage text and image
  • Information hiding system, method and extraction method based on webpage text and image

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Embodiment Construction

[0032] The present invention aims to propose an information hiding system, method and extraction method based on web page text and images, so as to solve the problem of small amount of hidden information in HTML tags and easy discovery in the traditional technology. In the present invention, the characteristics of HTML tags and images are fully utilized to jointly hide information:

[0033] The characteristics of the HTML tag: the size of the letters in the tag does not affect the webpage, and whether there is a space before and after the attribute quotation mark and before the end of the label does not affect the webpage, so the present invention uses the first letter case in the HTML tag, whether there is a space and the label in the attribute quotation mark Whether there is a space before the terminator to hide information, which greatly improves the amount of information hiding in HTML text.

[0034] Image characteristics: An image is composed of many image elements, and e...

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Abstract

The invention relates to an information hiding and information extracting technology, and discloses an information hiding system, method and extracting method based on webpage text and images. The problems that the hiding information of HTML labels is little in amount and easy to find are solved. The information hiding method includes the steps that 1, plaintext needing to be hidden is converted into the binary system; 2, a digit number after conversion is counted, and the digit number is hidden in a image module; 3, the plaintext after conversion is hidden in a HTML text module. The information hiding system, method and extracting method based on webpage text and images are suitable for information hiding and extracting.

Description

technical field [0001] The invention relates to information hiding and information extraction technology, in particular to an information hiding system, method and information extraction method based on web page text and images. Background technique [0002] Information hiding is divided into information hiding technologies such as text, image, audio and video for different carriers. With the rapid development of websites, HTML is widely used, and information can be hidden through HTML tags, but the redundancy of HTML is very small. , so there is very little information that can be hidden, and the single text information hiding is easy to be found. Contents of the invention [0003] The technical problem to be solved by the present invention is to propose an information hiding system, method and extraction method based on web page text and images, so as to solve the problem that the amount of hidden information in HTML tags is small and easy to be discovered in the traditi...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F16/84G06T1/00
CPCG06F16/88G06T1/0021
Inventor 王益常清雪
Owner SICHUAN CHANGHONG ELECTRIC CO LTD