Abstract
On the spread spectrum fingerprinting, it has been considered that the energy of embedded signal is dropped to 1/c of its original value when c copies are averaged. In this study, we analyze the effects of rounding error occurred at the embedding and averaging. The truncation of the number of decimals causes non-linear changes on the frequency components of fingerprint sequence. We estimate the actual attenuation factor through our simulation, and provide the best and worst case. In order to avoid the worst case, the countermeasure is proposed in this paper.
| Original language | English |
|---|---|
| Title of host publication | IIH-MSP 2009 - 2009 5th International Conference on Intelligent Information Hiding and Multimedia Signal Processing |
| Pages | 1286-1289 |
| Number of pages | 4 |
| DOIs | |
| Publication status | Published - 2009 |
| Externally published | Yes |
| Event | IIH-MSP 2009 - 2009 5th International Conference on Intelligent Information Hiding and Multimedia Signal Processing - Kyoto, Japan Duration: Sep 12 2009 → Sep 14 2009 |
Other
| Other | IIH-MSP 2009 - 2009 5th International Conference on Intelligent Information Hiding and Multimedia Signal Processing |
|---|---|
| Country | Japan |
| City | Kyoto |
| Period | 9/12/09 → 9/14/09 |
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ASJC Scopus subject areas
- Computer Science(all)
Cite this
A study of rounding error on CDMA-based fingerprinting scheme. / Kuribayashi, Minoru; Kato, Hiroshi; Morii, Masakatu.
IIH-MSP 2009 - 2009 5th International Conference on Intelligent Information Hiding and Multimedia Signal Processing. 2009. p. 1286-1289 5337196.Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
}
TY - GEN
T1 - A study of rounding error on CDMA-based fingerprinting scheme
AU - Kuribayashi, Minoru
AU - Kato, Hiroshi
AU - Morii, Masakatu
PY - 2009
Y1 - 2009
N2 - On the spread spectrum fingerprinting, it has been considered that the energy of embedded signal is dropped to 1/c of its original value when c copies are averaged. In this study, we analyze the effects of rounding error occurred at the embedding and averaging. The truncation of the number of decimals causes non-linear changes on the frequency components of fingerprint sequence. We estimate the actual attenuation factor through our simulation, and provide the best and worst case. In order to avoid the worst case, the countermeasure is proposed in this paper.
AB - On the spread spectrum fingerprinting, it has been considered that the energy of embedded signal is dropped to 1/c of its original value when c copies are averaged. In this study, we analyze the effects of rounding error occurred at the embedding and averaging. The truncation of the number of decimals causes non-linear changes on the frequency components of fingerprint sequence. We estimate the actual attenuation factor through our simulation, and provide the best and worst case. In order to avoid the worst case, the countermeasure is proposed in this paper.
UR - http://www.scopus.com/inward/record.url?scp=73649119532&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=73649119532&partnerID=8YFLogxK
U2 - 10.1109/IIH-MSP.2009.47
DO - 10.1109/IIH-MSP.2009.47
M3 - Conference contribution
AN - SCOPUS:73649119532
SN - 9780769537627
SP - 1286
EP - 1289
BT - IIH-MSP 2009 - 2009 5th International Conference on Intelligent Information Hiding and Multimedia Signal Processing
ER -