Báo cáo hóa học: " Audio watermarking robust against D/A and A/D conversions" pptx

... Open Access Audio watermarking robust against D/A and A/D conversions Shijun Xiang 1,2 Abstract Digital audio watermarking robust against digital-to-analog (D/A) and analog-to-digital (A/D) conversions ... Histogram-based audio watermarking against time-scale modification and cropping attacks. IEEE Trans. Multimedia. 9(7):1357–11372 (2007) 20. S Xiang, HJ Kim,...

Ngày tải lên: 21/06/2014, 03:20

... manifestly possesses the adaptive and robust capabilities against two kinds of filtering attacks above. 5.3. Robustness to MP3 compression/decompression The adaptive and robust capabilities against the compres- sion/decompression ... adaptive and robust capabilities of the method can be simultaneously assessed by taking the distorted -and- watermarked audio as the testing a...

Ngày tải lên: 23/06/2014, 01:20

... ability to perform sit-to-stand and stand-to-sit transfers. Patients were instructed to stand up and sit down five times as fast as possible starting in the sitting position and stopping after sitting down ... contributions WZ, CB, LC and JMH participated in the conceptualization and development of the ABF device and contributed to data analysis. AM, TH, NS and AZ formulated the...

Ngày tải lên: 19/06/2014, 08:20

... For instance, K may be fixed first and the ω 1 and ω 2 that maximize the objective function are computed; after ω 1 and ω 2 have been estimated, ω 1 and ω 2 are fixed and then K is estimated. After ... [x( −(1/2)M), , x(1(1/2)M)] T and input the data to the registers and the buffers. (2) Perform the preprocessing procedure to estimate frequencies and K. (A) Set  K (0) = M/2 and...

Ngày tải lên: 21/06/2014, 08:20

... 60, no. 2, pp. 91–110, 2004. [4] S.Kim,K.J.Yoon,andI.S.Kweon,“Objectrecognitionusing a generalized robust invariant feature and Gestalt’s law of proximity and similarity,” Pattern Recognition,vol.41,no.2, pp. ... links between CCB and UCB; second, links between CCB and local patches in object instances that have ROI, figure/ground mask, and local patches. Note that training object...

Ngày tải lên: 21/06/2014, 08:20

... strategy for the prevention and management of and research in chronic obstructive pulmonary disease. National Heart, Lung, and Blood Institute Workshop Summary. Bethesda, Maryland, August 29–31, 1995. ... data on symptoms and diseases, others have presented data on lung function, and a few have done both. Although a cer- tain degree of standardization has been accomplished for cough...

Ngày tải lên: 20/06/2014, 00:20

... thank the referee for his good work and ver y useful remarks. References [1] D. Franke, O. Martio, V. Miklyukov, M. Vuorinen, and R. Wisk, “Quasiregular mappings and ᐃ᐀-classes of differential forms ... dimM = n ≥ 2,andletE ⊂ ᏹ be acompactsetofp-capacity zero, 1 ≤ p ≤ n.LetZ and θ be simple forms on ᏹ \ E of de- grees k − 1, n − k,respectively,dZ∈L kp loc . Suppose that the pair dZ...

Ngày tải lên: 22/06/2014, 22:20

... Tao’s and Zhu’s schemes but is little worse than other schemes as shown in Table 2. From Tables 3 and 4, it can be seen that the proposed method is not robust against the salt and pepper noises and ... 0.9888 watermarking schemes which are proposed by Zhu and Sang [14], Xiao et al. [16], Leung et al. [17], Tao and Eskicioglu [18],andNietal.[19]. Tables 1–10 show the performa...

Ngày tải lên: 21/06/2014, 08:20

... watermarking of audio signals,” IEEE Transactions on Signal Processing, vol. 51, no. 4, pp. 1020–1033, 2003. [5] C P. Wu, P C. Su, and C C. Jay Kuo, Robust and efficient digital audio watermarking using audio ... and J. Huang, “Histogram-based audio watermarking against time-scale modification and cropping attacks,” IEEE Transactions on Multimedia, vol. 9, no. 7, pp. 135...

Ngày tải lên: 21/06/2014, 22:20

... like it was also demonstrated for HSV-1 and others DNA and RNA viruses. On the other hand, we have shown too that CDM display a high antiviral activity against HSV-2 with- out interfering with ... with 100 IU/ml of IFN-α or IFN-γ, MS and G replication was 8-fold and 100-fold reduced respec- tively (p < 0.001) at 24 h p.i. (Figure 1a and 1b). At 48 and 72 h p.i. viral titers i...

Ngày tải lên: 20/06/2014, 01:20