Distortion-less data concealing method for pseudo-color format picture
Patent Information
- Authority / Receiving Office
- CN · China
- Current Assignee / Owner
- SUN YAT SEN UNIV
- Publication Date
- 2003-03-26
- Estimated Expiration
- Not applicable · inactive patent
Smart Images
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Abstract
Description
technical field
[0001] The invention relates to a multimedia signal processing method, in particular to a distortion-free data hiding method. Background technique
[0002] Data hiding methods, by embedding information in the original media data to prove the ownership of the data or to convey the information itself. Through the data hiding method, the data consistency and inseparability between the embedded data and the embedded media can be realized, which can be used in medicine, such as electronic medical records. By hiding the medical records in the captured medical images, the confidentiality of the medical records and the connection with diagnosis can be ensured. According to the data consistency among them; military, such as erasing important military information from the picture and hiding it in the picture, so as to realize the secret transmission of highly confidential information.
[0003] At present, almost all conventional data hid...