LOSSLESS RECONSTRUCTION OF SECRET IMAGE
USING THRESHOLD SECRET SHARING AND
TRANSFORMATION
P. Devaki1
, Dr. G. Raghavendra Rao2
1Department of Information Science & Engineering, NIE, Mysore
2Department of Computer Science & Engineering, NIE, Mysore
1Department of Information Science & Engineering, NIE, Mysore
2Department of Computer Science & Engineering, NIE, Mysore
ABSTRACT
This paper is proposed to provide confidentiality of the secret image which can be used by multiple users
or to store on multiple servers. A secret sharing is a technique to protect the secret information which
will be used by multiple users. The threshold secret sharing is more efficient as it is possible to
reconstruct the secret with the threshold number of shares. Along with Shamir’s secret sharing method
we propose to use the radon transformation before dividing the image in to shares. This transformation is
used so that the shares will not have the original pixel intensity. The run length code is used to compress
the image after the transformation. Then apply secret sharing technique. The reconstruction of the image
results in original image by applying the operations in the reverse order.
KEYWORDS
Threshold secret sharing, Confidentiality, Transformation, Compression.
ORIGINAL SOURCE URL : http://airccse.org/journal/nsa/0512nsa07.pdf
No comments:
Post a Comment