2013 a robust multiple watermarking scheme based on the DWT

2013  a robust multiple watermarking scheme based on the DWT x

2013 a robust multiple watermarking scheme based on the DWT x

... ad ditif : vers la se lection d’un es pace d’insertion optimal,” Coresa03, 2003. [9] S. Rastegar, F. Namazi, K. Yaghmaie and A. Aliabadian, “Hybrid watermarking algorithm based on singular value ... also that the HH sub-band robustness is enhanced with the proposed scheme. IV. CONCLUSION In this paper, we have made a contribution to a multiple non-blind watermarking schem...
Ngày tải lên : 21/11/2013, 23:58
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2013  a robust multiple watermarking scheme based on the DWT

2013 a robust multiple watermarking scheme based on the DWT

... 61 A Robust Multiple Watermarking Scheme Based on the DWT Ouazzane Hana, Mahersia Hela, Hamrouni Kamel Université de Tunis El Manar, Ecole Nationale d'Ingénieurs de Tunis LR-SITI: Signal ... check the watermark presence in the attacked image. For objective examination, they calculate the similarity ratio (SR) between each extracted watermark and the original one...
Ngày tải lên : 30/12/2013, 16:22
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Báo cáo khoa học: "a Chat-oriented Dialogue System based on the Vector Space Model" ppt

Báo cáo khoa học: "a Chat-oriented Dialogue System based on the Vector Space Model" ppt

... at each dialogue turn. On the other hand, context elements contain all the additional information (explanations and descriptions) appearing in the scripts. 39 The extracted dialogues are ... basic elements are extracted from the scripts: speakers, utterances and context. The speaker and utterance elements contain information about the characters who speak and what they...
Ngày tải lên : 07/03/2014, 18:20
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Báo cáo " A program anomaly intrusion detection scheme based on fuzzy inference " potx

Báo cáo " A program anomaly intrusion detection scheme based on fuzzy inference " potx

... fuzzy -based detection scheme: (a) Training stage and (b) Testing stage. • Training stage: a normal database, an HMM model and fuzzy sets are built from training data. - Normal database: The ... to each other [1-3]. This leads to an increase in false alarms and a decrease in the detection rate. This paper proposes a fuzzy- based solution to reduce false alarms for pro...
Ngày tải lên : 22/03/2014, 09:20
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Reliability analysis of a power system based on the multi state system theory

Reliability analysis of a power system based on the multi state system theory

... system is reliable, though the capacity of a battery is lower than 5700 mAh. Suppose the capacity of the first branch is 5600 mAh and the capacity of other branches are all above 5800 mAh, the system ... studied. The relationship between the performance of the system and the performance of the batteries is analyzed. The results obtained by the traditional system reli...
Ngày tải lên : 03/01/2014, 19:38
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Tài liệu University Oars Being a Critical Enquiry Into the After Health of the Men Who Rowed in the Oxford and Cambridge Boat-Race, from the Year 1829 to 1869, Based on the Personal Experience of the Rowers Themselves pdf

Tài liệu University Oars Being a Critical Enquiry Into the After Health of the Men Who Rowed in the Oxford and Cambridge Boat-Race, from the Year 1829 to 1869, Based on the Personal Experience of the Rowers Themselves pdf

... calculated to awake the commiseration and the pity of his comrades, who affectionately style the damaged athlete, " the man with the heart." Now it has always appeared to me that many of these ... serve as valuable national gymnasia; colleges for the training of the mind, and schools also for the development of physical vigour. This adaptation of one and th...
Ngày tải lên : 14/02/2014, 21:20
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Tài liệu Báo cáo khoa học: "A Pronoun Anaphora Resolution System based on Factorial Hidden Markov Models" docx

Tài liệu Báo cáo khoa học: "A Pronoun Anaphora Resolution System based on Factorial Hidden Markov Models" docx

... that the features are conditionally in- dependent of each other given the index variable, the operator and previous instance. Each feature only depends on the operator and the corresponding fea- ture ... resolution and parsing. 3 Observation Model The observation model that generates an observed state is defined as Equation 5. To expand that equa- tion in detail, the observatio...
Ngày tải lên : 20/02/2014, 04:20
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One dimensional organic nanostructures a novel approach based on the selective adsorption of organic molecules on silicon nanowires

One dimensional organic nanostructures a novel approach based on the selective adsorption of organic molecules on silicon nanowires

... between the molecules and the SiNWs. In addi- tion, the THAP adsorbed on the clean Ag areas are not ordered according to the same structure as that observed upon adsorption on a clean Ag(110) surface ... that the SiNWs present a metallic character. This supports the observation made by Leandri et al. based on a detailed analysis of the Si2p core levels and valenc...
Ngày tải lên : 16/03/2014, 15:35
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Báo cáo khoa học: "Introduction of a new paraphrase generation tool based on Monte-Carlo sampling" potx

Báo cáo khoa học: "Introduction of a new paraphrase generation tool based on Monte-Carlo sampling" potx

... particular, it does not put constraint on the scoring function. We propose a variation of the UCT algorithm for paraphrase generation named MCPG for Monte- Carlo based Paraphrase Generation. The ... future research tracks to improve para- phrase generation tools. 2 Statistical paraphrase generation using transformation rules The paraphrase generation problem can be seen as an ex...
Ngày tải lên : 17/03/2014, 02:20
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Báo cáo khoa học: "A Hierarchical Bayesian Language Model based on Pitman-Yor Processes" docx

Báo cáo khoa học: "A Hierarchical Bayesian Language Model based on Pitman-Yor Processes" docx

... first determined the parameters by conjugate gradient descent in the cross-entropy on the validation set. At the optimal values, we folded the validation set into the training set to obtain the final n-gram probability ... of natural languages. Bayesian probabilistic mod- els also have additional advantages—it is rela- tively straightforward to improve these models by incorporat...
Ngày tải lên : 17/03/2014, 04:20
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