Báo cáo sinh học: " Research Article A Contourlet-Based Image Watermarking Scheme with High Resistance to Removal and Geometrical Attacks" pptx

... our method against removal and geometrical attacks. 4.2.1. Removal Attacks. Removal attacks aim at the complete removal of the watermark information from the watermark data without cracking the ... on Advances in Signal Processing Volume 2010, Article ID 540723, 13 pages doi:10.1155/2010/540723 Research Article A Contourlet-Based Image Watermarking Scheme with H...

Ngày tải lên: 21/06/2014, 16:20

... different scenarios, corresponding to a regular and a high data transmission rate, are employed to assess the accuracy of data detection and the signal frame synchronization capability of the JVSS algorithm. ... Viterbi algorithm is extended to a group of two substates, including a dilated and a shrunk substate, each of which corresponds to a variant FM0 baseband si...

Ngày tải lên: 21/06/2014, 16:20

... ratios and image quality even at low bit rates. 1. Introduction Raw or uncompressed multimedia data such as graphics, still images, audio, and video requires substantial storage capacity and transmission ... image into the image blocks and reshaping as vector form. EURASIP Journal on Advances in Signal Processing 11 Figure 10: Image files in the test data set (TDS). Table 1: Tr...

Ngày tải lên: 21/06/2014, 05:20

... numbers and its derivatives,” Journal of Mathematical Analysis and Applications, vol. 339, no. 1, pp. 598–608, 2008. 13 T. Kim, “On the analogs of Euler numbers and polynomials associated with p-adic ... polynomials associated with basic q-l- functions,” Journal of Mathematical Analysis and Applications, vol. 336, no. 1, pp. 738–744, 2007. 31 T. Kim, “New approach to q-Euler...

Ngày tải lên: 21/06/2014, 16:20

... interval 0, 1 from the Cauchy data pairs g,h located at x  1. Of course, since g and h are assumed to be measured, there must be measurement errors, and we would actually have noisy data function ... Helmholtz Equation Ailin Qian, Jianfeng Mao, and Lianghua Liu School of Mathematics and Statistics, Xianning College, Xianning, Hubei 437100, China Correspondence should be address...

Ngày tải lên: 21/06/2014, 16:20

... multiplicity of solutions and S-shaped bifurcation curves for the p-Laplacian perturbed Gelfand problem in one space variable,” Journal of Mathematical Analysis and Applications, vol. 342, no. 2, ... 2009. 4 J. Goddard II and R. Shivaji, A population model with nonlinear boundary conditions and constant yield harvesting,” submitted. 5 J. Bebernes and D. Eberly, Mathematical P...

Ngày tải lên: 21/06/2014, 16:20

... with national and institutional guidelines for the protection of human subjects. Acknowledgments Dharani Babu Shanmugam and Haricharan Padmanabana Computer Programmers assisted with program and ... code implementation. Kara Scott for her help with the evaluation of the algorithm, compilation, and fieldwork. Jameson Lwebuga-Mukasa for asthma datasets and Anne Evens and Patrick...

Ngày tải lên: 21/06/2014, 16:20

... position, and scale. The feature vectors of each local feature are brought together according to appearance, position, and scale, and shown as A, X,andS. In addition, as a hyperparameter, the model has ... EURASIP Journal on Image and Video Processing Table 3: Effectivity of multimodalization and comparison to BoF, by average classification rates and standard deviations ove...

Ngày tải lên: 21/06/2014, 16:20

... subspace algorithm [12] and a direct L DA algorithm [13], were proposed. 3. Limitat i ons of Multifactor Analysis and Discriminant Analysis LDA and MPCA have different advantages and disadvan- tages, ... face images were resized to 32 × 32 gray-scale images, and each vectored image was normalized with unit norm and zero mean. After aligning and cropping, the left and ri...

Ngày tải lên: 21/06/2014, 16:20

... mixture-based equaliza- tion at B d T = 10 −2 . Table 1: Saleh-Valenzuela model parameters. Parameter and units Notation and numerical value Intercluster arrival rate (1/s) Λ = 5/T Intercluster decay ... Therefore, assuming rectangular transmit and receive pulse shaping as well as perfect symbol and frame EURASIP Journal on Advances in Signal Processing 5 is available at instant k +1,...

Ngày tải lên: 21/06/2014, 16:20