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Method for transmitting and receiving image series digital content as well as transmitter and receiver

A technology of digital content and sending method, which is applied in the field of extracting watermark information, embedding in image digital content, sending and receiving image digital content, and can solve the problem of low security, confidentiality of transmission process and control of forwarding authority Didn't think about it

Active Publication Date: 2009-01-28
CHINA MOBILE COMM GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0028]Digital watermarking technology is widely used in the protection of image digital content, but digital watermarking technology only focuses on anti-counterfeiting, and does not control the confidentiality of the transmission process and the forwarding authority. consider
Moreover, the traditional LSB watermarking algorithm directly embeds the watermark information in the low bit of the bitmap, which is not very safe.

Method used

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  • Method for transmitting and receiving image series digital content as well as transmitter and receiver
  • Method for transmitting and receiving image series digital content as well as transmitter and receiver
  • Method for transmitting and receiving image series digital content as well as transmitter and receiver

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Embodiment Construction

[0125]The invention designs an image digital content protection scheme based on digital watermark and image encryption technology, which integrates the DRM protection idea.

[0126] Among the technical solutions proposed by the present invention, one solution is to firstly encrypt the digital image, and then embed the encryption key as watermark information into the encrypted digital image in order to enhance the security protection of the digital image transmission process.

[0127] In order to enhance the DRM rights management of digital images at the same time, on the basis of encrypting the digital images, the encryption key and related rights information can be embedded in the encrypted digital images as watermark information at the same time.

[0128] Another solution is to enhance the DRM rights management of digital images, and relevant rights information can be embedded into digital images as watermark information.

[0129] In the above solution, in order to enhance t...

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Abstract

The invention discloses a method for sending image class digital contents and a method for receiving the image class digital contents, wherein the sending method is as follows: based on an encryption key, the digital image contents ready to be sent are encrypted; the encryption key is used as watermark information to be embedded in the encrypted digital image contents; and the encrypted digital image contents embedded with the watermark information are sent; the receiving method is as follows: the digital image contents are received; the watermark information containing the encryption key is picked up from the received digital image contents; based on the encryption key contained in the watermark information picked up, the received digital image contents are decrypted. In the technical proposal of the invention, the image encryption technology, the copyright management idea and the digital watermark technology are organically combined, thereby effectively improving the communication safety of image class digital services.

Description

technical field [0001] The present invention relates to image digital content protection technology, in particular to a method for sending and receiving image digital content, a method for embedding and extracting watermark information in image digital content, and related devices. Background technique [0002] With the rapid development of mobile digital technology, copyright infringement, illegal forwarding, counterfeiting and other behaviors are becoming more and more difficult to control, and the security of digital content in the mobile network environment has become increasingly prominent. For example, streaming media services, digital broadcasting and mobile phone TV services are inseparable from content protection technology, especially image-based mobile digital services with promising market prospects, such as QR code services, rely on digital content protection technology. Only with stronger and more robust content protection technology in the mobile network envir...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/16
Inventor 王斌李辉邓凯旭赵磊朱剑贺凤香
Owner CHINA MOBILE COMM GRP CO LTD
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