Title :
Medical Image Watermarking with Tamper Detection and Recovery
Author :
Zain, Jasni M. ; Fauzi, Abdul R M
Author_Institution :
Fac. of Comput. Syst. & Software Eng., Univ. Coll. of Eng. & Technol. Malaysia, Pahang
fDate :
Aug. 30 2006-Sept. 3 2006
Abstract :
This paper discussed security of medical images and reviewed some work done regarding them. A fragile watermarking scheme was then proposed that could detect tamper and subsequently recover the image. Our scheme required a secret key and a public chaotic mixing algorithm to embed and recover a tampered image. The scheme was also resilient to VQ attack. The purposes were to verify the integrity and authenticity of medical images. We used 800times600times8 bits ultrasound (US) greyscale images in our experiment. We tested our algorithm for up to 50% tampered block and obtained 100% recovery for spread-tampered block
Keywords :
biomedical ultrasonics; chaos; data integrity; image coding; medical image processing; message authentication; public key cryptography; vector quantisation; watermarking; VQ attack; fragile watermarking scheme; image recovery; image tamper detection; medical image authenticity; medical image integrity; medical image security; medical image watermarking; public chaotic mixing algorithm; secret key; spread-tampered block; ultrasound greyscale images; Authentication; Availability; Biomedical imaging; Cities and towns; Counterfeiting; Inspection; Medical diagnostic imaging; Parity check codes; Security; Watermarking;
Conference_Titel :
Engineering in Medicine and Biology Society, 2006. EMBS '06. 28th Annual International Conference of the IEEE
Conference_Location :
New York, NY
Print_ISBN :
1-4244-0032-5
Electronic_ISBN :
1557-170X
DOI :
10.1109/IEMBS.2006.260767
