Discrete cosine transform of encrypted images

Proceedings - International Conference on Image Processing, ICIP

Volumn , Issue , 2008, Pages 1668-1671

  Bianchi, Tiziano ^a   Piva, Alessandro ^a   Barni, Mauro ^b  

^a UNIVERSITY OF FLORENCE   (Italy)

^b UNIVERSITY OF SIENA   (Italy)

Author keywords

Discrete cosine transforms; Error analysis; Homomorphic encryption; Image encryption; Signal processing in the encrypted domain

Indexed keywords

APPLICATION SCENARIO; COMPUTATIONAL BURDEN; CRYPTOSYSTEMS; DCT ALGORITHMS; HOMOMORPHIC ENCRYPTION; HOMOMORPHIC PROPERTY; IMAGE BLOCKS; IMAGE ENCRYPTION; PARALLEL APPLICATION; PROCESSING DEVICE;

COSINE TRANSFORMS; DISCRETE COSINE TRANSFORMS; DISCRETE FOURIER TRANSFORMS; ERROR ANALYSIS; IMAGE QUALITY; IMAGING SYSTEMS; MATHEMATICAL TRANSFORMATIONS; PARALLEL ALGORITHMS; SIGNAL PROCESSING; SPEECH RECOGNITION;

CRYPTOGRAPHY;

EID: 69949134098     PISSN: 15224880     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/ICIP.2008.4712093     Document Type: Conference Paper

References (6)

1. N. Memon and P. Wong, "A buyer-seller watermarking protocol," IEEE Trans. on Image Proc, vol. 10, no. 4, pp. 643-649, Apr. 2001.
2. T. Bianchi, A. Piva, and M. Barni, "Implementing the discrete Fourier transform in the encrypted domain," in Proc. of ICASSP 2008, to appear.
3. P. Paillier, "Public-key cryptosystems based on composite degree residuosity classes," in Lecture Notes in Computer Science. 1999, vol. 1592, pp. 223-238, Springer-Verlag.
4. R. Cramer, I. Damgård, and J. B. Nielsen, "Multiparty computation from threshold homomorphic encryption," Lecture Notes in Computer Science, vol. 2045, pp. 280-299, 2001.
5. Yonghong Zeng, Lizhi Cheng, Guoan Bi, and A. C. Kot, "Integer DCTs and fast algorithms," IEEE Trans. Signal Processing, vol. 49, no. 11, pp. 2774-2782, Nov. 2001.
6. Hsieh Hou, "A fast recursive algorithm for computing the discrete cosine transform," IEEE Trans. Acoust., Speech, Signal Processing, vol. 35, no. 10, pp. 1455-1461, Oct. 1987.