| Presentation | 2005-02-04 A Digital Watermark Embedding System Using Feedback Control Haruyuki NAKAMURA, Go OHTAKE, Keigo MAJIMA, Seiichi GOHSHI, Yoshihiro FUJITA, Minoru WADA, Ryousuke FUJII, Mitsuyoshi SUZUKI, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | We have produced a trial system for real-time feedback control of the embedded intensity using quantitative image deterioration levels and digital watermark detection rates by embedding different types of digital watermarks for the distribution and user sides based on distribution of broadcasting content via digital broadcasts and the Internet. Generally, digital watermark detection rates and image deterioration are contradictory, such that any increase in the detection rate is detrimental to the image quality, so if embedding is to be performed without loss of image quality, it is difficult to achieve an acceptable level of detection. We have devised a method that enables improvement in the digital watermark detection rate while still maintaining the image quality even when inserting digital watermarks on both the distribution and user sides through feedback control based on a newly discovered correlation for image quality and digital watermark embedding, which we hereby report. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Digital Watermark / Feedback Control / Digital Watermark Detection Rate / Image Deterioration / Multiple Digital Watermark Embedding |
| Paper # | ITS2004-83,IE2004-217 |
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| Conference Information | |
| Committee | ITS |
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| Conference Date | 2005/1/28(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Paper Information | |
| Registration To | Intelligent Transport Systems Technology (ITS) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Digital Watermark Embedding System Using Feedback Control |
| Sub Title (in English) | |
| Keyword(1) | Digital Watermark |
| Keyword(2) | Feedback Control |
| Keyword(3) | Digital Watermark Detection Rate |
| Keyword(4) | Image Deterioration |
| Keyword(5) | Multiple Digital Watermark Embedding |
| 1st Author's Name | Haruyuki NAKAMURA |
| 1st Author's Affiliation | STRL, Japan Broadcasting Corporation() |
| 2nd Author's Name | Go OHTAKE |
| 2nd Author's Affiliation | STRL, Japan Broadcasting Corporation |
| 3rd Author's Name | Keigo MAJIMA |
| 3rd Author's Affiliation | STRL, Japan Broadcasting Corporation |
| 4th Author's Name | Seiichi GOHSHI |
| 4th Author's Affiliation | STRL, Japan Broadcasting Corporation |
| 5th Author's Name | Yoshihiro FUJITA |
| 5th Author's Affiliation | STRL, Japan Broadcasting Corporation |
| 6th Author's Name | Minoru WADA |
| 6th Author's Affiliation | Information Technology R&D Center, Mitsubishi Electric Corporation |
| 7th Author's Name | Ryousuke FUJII |
| 7th Author's Affiliation | Information Technology R&D Center, Mitsubishi Electric Corporation |
| 8th Author's Name | Mitsuyoshi SUZUKI |
| 8th Author's Affiliation | Information Technology R&D Center, Mitsubishi Electric Corporation |
| Date | 2005-02-04 |
| Paper # | ITS2004-83,IE2004-217 |
| Volume (vol) | vol.104 |
| Number (no) | 647 |
| Page | pp.pp.- |
| #Pages | 5 |
| Date of Issue | |