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- W1776334297 abstract "In this paper, we propose a novel fragile block based medical imagewatermarking technique for embedding data of patient into medical image,verifying the integrity of ROI (Region of Interest), detecting the tamperedblocks inside ROI and recovering original ROI with less size authentication andrecovery data and with simple mathematical calculations. In the proposedmethod, the medical image is divided into three regions called ROI, RONI(Region of Non Interest) and border pixels. Later, authentication data of ROIand Electronic Patient Record (EPR) are compressed using Run Length Encoding(RLE) technique and then embedded into ROI. Recovery information of ROI isembedded inside RONI and information of ROI is embedded inside border pixels.Results of experiments conducted on several medical images reveal that proposedmethod produces high quality watermarked medical images, identifies tamperedareas inside ROI of watermarked medical images and recovers the original ROI." @default.
- W1776334297 created "2016-06-24" @default.
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- W1776334297 date "2014-11-17" @default.
- W1776334297 modified "2023-09-27" @default.
- W1776334297 title "Block Based Medical Image Watermarking Technique for Tamper Detection and Recovery" @default.
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