Improved spread spectrum: a new modulation technique for robust watermarking
This paper introduces a new watermarking modulation technique, which we call improved spread spectrum (ISS). When compared with traditional spread spectrum (SS), the signal does not act as a noise source, leading to significant gains. In some examples, performance improvements over SS are 20 dB in s...
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| Veröffentlicht in: | IEEE transactions on signal processing 2003-04, Vol.51 (4), p.898-905 |
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| container_end_page | 905 |
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| container_title | IEEE transactions on signal processing |
| container_volume | 51 |
| creator | Malvar, H.S. Florencio, D.A.F. |
| description | This paper introduces a new watermarking modulation technique, which we call improved spread spectrum (ISS). When compared with traditional spread spectrum (SS), the signal does not act as a noise source, leading to significant gains. In some examples, performance improvements over SS are 20 dB in signal-to-noise ratio (SNR) or ten or more orders of magnitude in the error probability. The proposed method achieves roughly the same noise robustness gain as quantization index modulation (QIM) but without the amplitude scale sensitivity of QIM. Our proposed ISS is as robust in practice as traditional SS. |
| doi_str_mv | 10.1109/TSP.2003.809385 |
| format | Article |
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When compared with traditional spread spectrum (SS), the signal does not act as a noise source, leading to significant gains. In some examples, performance improvements over SS are 20 dB in signal-to-noise ratio (SNR) or ten or more orders of magnitude in the error probability. The proposed method achieves roughly the same noise robustness gain as quantization index modulation (QIM) but without the amplitude scale sensitivity of QIM. Our proposed ISS is as robust in practice as traditional SS.</description><identifier>ISSN: 1053-587X</identifier><identifier>EISSN: 1941-0476</identifier><identifier>DOI: 10.1109/TSP.2003.809385</identifier><identifier>CODEN: ITPRED</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Acoustic noise ; Applied sciences ; Cryptography ; Distortion ; Error probability ; Exact sciences and technology ; Gain ; Information, signal and communications theory ; Interference elimination ; International Space Station ; Modulation ; Noise ; Noise levels ; Noise robustness ; Quantization ; Robustness ; Signal and communications theory ; Signal processing ; Signal to noise ratio ; Spread spectrum communication ; Spreads ; Telecommunications and information theory ; Watermarking</subject><ispartof>IEEE transactions on signal processing, 2003-04, Vol.51 (4), p.898-905</ispartof><rights>2003 INIST-CNRS</rights><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. 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When compared with traditional spread spectrum (SS), the signal does not act as a noise source, leading to significant gains. In some examples, performance improvements over SS are 20 dB in signal-to-noise ratio (SNR) or ten or more orders of magnitude in the error probability. The proposed method achieves roughly the same noise robustness gain as quantization index modulation (QIM) but without the amplitude scale sensitivity of QIM. Our proposed ISS is as robust in practice as traditional SS.</description><subject>Acoustic noise</subject><subject>Applied sciences</subject><subject>Cryptography</subject><subject>Distortion</subject><subject>Error probability</subject><subject>Exact sciences and technology</subject><subject>Gain</subject><subject>Information, signal and communications theory</subject><subject>Interference elimination</subject><subject>International Space Station</subject><subject>Modulation</subject><subject>Noise</subject><subject>Noise levels</subject><subject>Noise robustness</subject><subject>Quantization</subject><subject>Robustness</subject><subject>Signal and communications theory</subject><subject>Signal processing</subject><subject>Signal to noise ratio</subject><subject>Spread spectrum communication</subject><subject>Spreads</subject><subject>Telecommunications and information theory</subject><subject>Watermarking</subject><issn>1053-587X</issn><issn>1941-0476</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2003</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNp9kUtLHEEUhZugEF9rF26aQOKqx1tdj76VnQxRBwYUouCuqK6H6Uk_JlXdSv691YwguHB1LtzvXs7hZNkpgQUhIC_uf98tSgC6QJAU-ZfsgEhGCmCV2EszcFpwrB6_ZocxbgAIY1IcZOtVtw3Ds7N53AanZ3FmDFP3M9d5717ybrBTq8dm6PPRmT99829yuR9CHoZ6imP-okcXOh3-Nv3TcbbvdRvdyZseZQ9Xv-6XN8X69nq1vFwXhlbVWFiL1NaAGmqUglPtWGm9LY00kgtCy5JJ4o0VmtfIUBpGwcrKauk9r6mnR9n57m-ynuzEUXVNNK5tde-GKSoJREgkFUnkj0_JEikCZzP47QO4GabQpxQKkRGkJccEXewgE4YYg_NqG5qU_b8ioOYSVCpBzSWoXQnp4vvbWx2Nbn3QvWni-xkTIISExJ3tuMY5974miBWt6Ctxh4_t</recordid><startdate>20030401</startdate><enddate>20030401</enddate><creator>Malvar, H.S.</creator><creator>Florencio, D.A.F.</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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When compared with traditional spread spectrum (SS), the signal does not act as a noise source, leading to significant gains. In some examples, performance improvements over SS are 20 dB in signal-to-noise ratio (SNR) or ten or more orders of magnitude in the error probability. The proposed method achieves roughly the same noise robustness gain as quantization index modulation (QIM) but without the amplitude scale sensitivity of QIM. Our proposed ISS is as robust in practice as traditional SS.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/TSP.2003.809385</doi><tpages>8</tpages></addata></record> |
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| ispartof | IEEE transactions on signal processing, 2003-04, Vol.51 (4), p.898-905 |
| issn | 1053-587X 1941-0476 |
| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Acoustic noise Applied sciences Cryptography Distortion Error probability Exact sciences and technology Gain Information, signal and communications theory Interference elimination International Space Station Modulation Noise Noise levels Noise robustness Quantization Robustness Signal and communications theory Signal processing Signal to noise ratio Spread spectrum communication Spreads Telecommunications and information theory Watermarking |
| title | Improved spread spectrum: a new modulation technique for robust watermarking |
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