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Method for transmitting multiple images hidden in one image

An image hiding and image-in-image technology, applied in the field of communications, can solve problems such as insolvency, lack, and failure of hiding methods, and achieve the effects of improved practicability, multiple image types, and guaranteed image restoration quality.

Active Publication Date: 2015-11-11
XIAN INSTITUE OF SPACE RADIO TECH
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Problems solved by technology

However, most of them hide small data volume data (information) in large data volume data (such as images) carriers. It can be said that the hidden capacity is less than 1 or far less than 1. In some occasions, more data information needs to be hidden. To small data (carriers), traditional hiding methods fail, or cannot solve this problem, or lack such methods

Method used

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  • Method for transmitting multiple images hidden in one image

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Embodiment Construction

[0033] Specific embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0034] 1. Basic technology

[0035] In order to better understand the present invention, the basic technologies involved in the present invention are first explained.

[0036] 1. Information hiding technology

[0037] Information hiding is generally regarded as a communication process, its input is the secret data to be transmitted, the public carrier data is transmitted in the channel, and the carrier data with hidden secret information is received.

[0038] The embedding algorithms for information hiding are divided into two categories: one is the spatial domain embedding algorithm, and the other is the transform domain embedding algorithm. The amount of hidden data is called the absolute hidden capacity or the absolute hidden capacity, and the ratio of the hidden data amount to the data amount of the carrier is called the relative...

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Abstract

The invention provides a method for transmitting multiple images hidden in one image. According to the method, based on information hiding and nonlinear transformation, the hiding of the images is realized via the building of a nonlinear network, multiple input is changed into one output for transmission, the information hiding of multiple images in one image is completed, the one output is changed into multiple output by a receiving terminal, and mapping restoration from one image to multiple images is accomplished. According to the method, without increasing the channel transmission resource of the single image, the transmission quantity of a system is increased by n times, or it is equivalent that the image is compressed for n times, and the transmission efficiency and the transmission security of the data transmission system are improved.

Description

technical field [0001] The invention relates to an image communication method, in particular to a method for embedding multiple images into one image for efficient transmission, and belongs to the field of communication (such as data communication technology, etc.). Background technique [0002] The current society is an information society. Information transmission and transmission security issues have become increasingly urgent issues. Information hiding (data hiding) is an important branch of information security. It uses human visual redundancy to embed secret information into the carrier. In order to achieve the purpose of secure transmission of secret information. [0003] With the development of science and technology, the efficient transmission of image data and the security of transmission are becoming more and more important. Through information hiding (also known as data hiding) technology, secret information can be embedded in the image without changing the size...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N1/32H04N1/413
CPCH04N1/32272H04N1/413
Inventor 周诠李晓博呼延烺崔涛
Owner XIAN INSTITUE OF SPACE RADIO TECH
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