Medical image privacy protection method applied to DICOM format
A medical image and privacy protection technology, applied in the field of information security, can solve problems such as difficulty in achieving encryption effects, and achieve good scrambling effects, easy transmission, and fast speed
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[0055] In order to facilitate the understanding and implementation of the present invention by those of ordinary skill in the art, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the implementation examples described here are only used to illustrate and explain the present invention, and are not intended to limit this invention.
[0056] Please see figure 1 , The method for protecting the privacy of medical images applied to DICOM format provided by the present invention includes the following steps:
[0057] Step 1: Build a hyperchaotic system;
[0058] Step 2: Use the hash function to generate the initial value of the hyperchaotic system, and perform spatial scrambling operations on the original plaintext image;
[0059] Step 3: Calculate the initial value and system parameters of a new round of chaotic system, and perform diffusion and bit shift operations on the scrambled image to ...
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