TY - GEN
T1 - A grayscale image authentication method with a pixel-level self-recovering capability against image tampering
AU - Lee, Che Wei
AU - Tsai , Wen-Hsiang
PY - 2011/12/1
Y1 - 2011/12/1
N2 - A new grayscale image authentication method with a pixel-level self-recovering capability for tampered region repairing is proposed. By dividing the grayscale range into bins, a 3-bit bin code is generated as the authentication signal for each pixel in the input cover image. The authentication signals then are embedded randomly into the image pixels for the double purposes of tampering localization and data repairing in the image authentication process. This leads to great saving of storage space for embedding the signals and recovery data, and so results in the possibility of pixel-level authentication. Tampered pixel repairing is conducted by retrieving the embedded bin code to obtain a corresponding representative value for use as the new gray value of the tempered pixel. Good experimental results show the effectiveness of the proposed method.
AB - A new grayscale image authentication method with a pixel-level self-recovering capability for tampered region repairing is proposed. By dividing the grayscale range into bins, a 3-bit bin code is generated as the authentication signal for each pixel in the input cover image. The authentication signals then are embedded randomly into the image pixels for the double purposes of tampering localization and data repairing in the image authentication process. This leads to great saving of storage space for embedding the signals and recovery data, and so results in the possibility of pixel-level authentication. Tampered pixel repairing is conducted by retrieving the embedded bin code to obtain a corresponding representative value for use as the new gray value of the tempered pixel. Good experimental results show the effectiveness of the proposed method.
UR - http://www.scopus.com/inward/record.url?scp=84872506538&partnerID=8YFLogxK
M3 - Conference contribution
AN - SCOPUS:84872506538
SN - 9784901122115
T3 - Proceedings of the 12th IAPR Conference on Machine Vision Applications, MVA 2011
SP - 328
EP - 331
BT - Proceedings of the 12th IAPR Conference on Machine Vision Applications, MVA 2011
T2 - 12th IAPR Conference on Machine Vision Applications, MVA 2011
Y2 - 13 June 2011 through 15 June 2011
ER -