Starpvd - A New Improved Pvd Image Steganography

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Nowadays hiding of secret messages into a digital image is the most widely and commonly used technique . It uses the weakness of the Human Visual System (HVS).There exists a large selection of approaches to hiding information in images. The research to develope strong steganographic and steganalysis technique is a continuous process. Pixel Value Differencing (PVD) steganography method embeds secre...

Paperback: 56 pages
Publisher: LAP LAMBERT Academic Publishing (October 9, 2014)
Language: English
ISBN-10: 9783659618130
ISBN-13: 978-3659618130
ASIN: 3659618136
Product Dimensions: 5.9 x 0.1 x 8.7 inches
Format: PDF ePub fb2 TXT fb2 book

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mages based on the differences in neighbouring pixels. In Pixel Value Differencing and Tri Pixel Value Differencing (TPVD) steganography methods the data is hidden in 2 x 2 Square blocks. PVD and TPVD methods are vulnerable to histogram based attacks. In STARPVD approach 3 x 3 pixel blocks are used. Due to this eight pixel pairs are formed. Hence more data is hidden with this approach with better visual quality and better security.