Medical Image Protection Algorithm Based on Deoxyribonucleic Acid Chain of Dynamic Length

Area of Science:

• Biomedical imaging and cryptography
• Computational biology and data security

Background:

• Existing image encryption methods struggle with large medical images due to high pixel correlation and storage demands.
• Need for advanced, secure encryption techniques in medical imaging to protect sensitive patient data.

Purpose of the Study:

• To propose and evaluate a novel image protection algorithm for medical images.
• To enhance security and overcome limitations of current encryption methods using deoxyribonucleic acid (DNA) dynamic chains.

Main Methods:

• Dynamic DNA coding of original image pixels based on binary bits.
• Scrambling of DNA sequence matrices and dynamic segmentation into variable-length DNA chains.
• Double shuffling of the DNA chain matrix via row/column deletion and transposition operations.

Main Results:

• The proposed algorithm successfully encrypted a range of medical images.
• Demonstrated excellent security performance, effectively protecting against noise, occlusion, and common cryptographic attacks.
• The dynamic length DNA chain approach proved effective for complex medical image data.

Conclusions:

• The novel deoxyribonucleic acid (DNA) dynamic chain-based encryption algorithm provides a secure and effective solution for medical image protection.
• The method exhibits high resistance to various attacks, ensuring data integrity and confidentiality in medical applications.