Secured transmission of medical images in radiology using AES technique

Prabhu, Pavithra and Manjunath, K N (2018) Secured transmission of medical images in radiology using AES technique. In: International Conference on Clinical & Medical Image Analysis (ICCMIA), 27/07/2018, Karunya University, Coimbatore.

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Abstract

Medical imaging technology results in more than thousands of images per patient and transmitting them securely over an insecure network is a challenging task still. Maintaining the data integrity against is important. This paper discusses a hybrid method which combines image processing and cryptography to make sure that all images are securely transmitted. In the proposed method a Digitally Reconstructed Radiograph (DRR) is generated from all the images of a 3D volume of the patient, then divided the DRR image into four equal quadrants. The zigzag pattern was applied to all these sixteen quadrants. Each quadrant was separately encrypted in block cipher mode using AES algorithm. At the receiver side, the DRR was regenerated from all the transmitted images and was compared with the deciphered blocks using histogram comparison of each block. The method was applied to CT images of forty patients of brain tumor, CT colonography, and nasopharynx dataset. The injection techniques were applied and tested the result with the addition of image, deletion of an image and through modification of Hounsfield values

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: DICOM; DRR; Zigzag, CT scan; AES; Block cipher.
Subjects: Engineering > MIT Manipal > Computer Science and Engineering
Depositing User: MIT Library
Date Deposited: 02 Nov 2018 06:40
Last Modified: 02 Nov 2018 06:40
URI: http://eprints.manipal.edu/id/eprint/152205

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