Báo cáo hóa học: " Research Article Transcoding-Based Error-Resilient Video Adaptation for 3G Wireless Networks" ppt

... information objects in different levels. The information objects gener ated by content analyzer are basic units for video adaptation. 3.3. Feature selection for visual attention By analyzing a video ... content-aware video adaptation approach. IO mask region (content analysis) First, we experiment on the performance of information ob- ject derived from Video Analyzer. The origi...

Ngày tải lên: 22/06/2014, 19:20

... Inequalities and Applications Volume 2010, Article ID 972324, 9 pages doi:10.1155/2010/972324 Research Article Second Moment Convergence Rates for Uniform Empirical Processes You-You Chen and ... “Precise asymptotics for a new kind of complete moment convergence,” Statistics & Probability Letters, vol. 76, no. 16, pp. 1787–1799, 2006. 8 K A. Fu, “Asymptotics for the moment c...

Ngày tải lên: 21/06/2014, 07:20

... continue forcing unnecessary handoff for the former and to illegally perform for the later. Although we strongly believe that IDS can be effective in dealing with the attack; its impact on network performance ... 2005. [12]D.Le,X.Fu,andD.Hogrefe,“Across-layerapproach for improving TCP performance in mobile environments,” Wireless Personal Communications, vol. 52, no. 3, pp. 669–692, 201...

Ngày tải lên: 21/06/2014, 11:20

... Point Theory and Applications Volume 2010, Article ID 765206, 11 pages doi:10.1155/2010/765206 Research Article Regularization and Iterative Methods for Monotone Variational Inequalities Xiubin ... x ∗ ≥0, ∀x ∈ C. 4.3 Therefore, applying Theorems 2.2 and 3.1, we get the following result. Theorem 4.1. Assume the Lipschitz continuity 4.2 for the gradient ∇ϕ. a For ε ∈ 0, 1,...

Ngày tải lên: 21/06/2014, 20:20

... relevant to this research, are presented. 2.1. Video source coding The video stream is encoded (compressed) according to the MPEG-2 standard [14, 15], which is commonly used as the format for digital ... case where video data is sent from the video server to the end user, as shown in Figure 1. A source, the video server, broadcasts the video data. Via an aggregation network, th...

Ngày tải lên: 21/06/2014, 22:20

... This formula holds uni- formly for |z|≤R,forR a given positive real number . From (2.4), lim n→∞ (−1) n n −β−1/2 p (α,β) n  cos  π − z n + j  = 2 −(α+β)/2  z 2  −β J β (z) (2.5) holds uniformly ... ≤ c n , O  n β+1/2  if π − c n ≤ θ ≤ π, (2.3) for α ≥−1/2, β ≥−1/2, and n ≥ 1. The Mehler-Heine-type formula for Jacobi orthonormal polynomials is (see [4,The- orem 8.1.1] and [4, For...

Ngày tải lên: 21/06/2014, 22:20

... Journal on Wireless Communications and Networking Volume 2010, Article ID 567040, 10 pages doi:10.1155/2010/567040 Research Article Centroid Localization of Uncooperative Nodes in Wireless Networks ... FCC regulations for Enhanced 911, for all densities with moderate amounts of signal shadowing and for all but the smallest node densities with extensive shadowing. Future direct...

Ngày tải lên: 21/06/2014, 23:20

... Advances in Signal Processing Volume 2008, Article ID 253706, 17 pages doi:10.1155/2008/253706 Research Article Distortion-Based Link Adaptation for Wireless Video Transmission Pierre Ferr ´ e, 1 James ... link adaptation mechanism minimising the overall transmission video distortion has been presented for low-latency video transmission. Models were used to estimate the...

Ngày tải lên: 22/06/2014, 01:20

... Advances in Signal Processing Volume 2008, Article ID 410630, 8 pages doi:10.1155/2008/410630 Research Article Using Intracardiac Vectorcardiographic Loop for Surface ECG Synthesis A. Kachenoura, 1, ... considered as the reference setup for the analysis of the cardiac activity due to the existence of a number of rules for its interpretation, the VCG contains useful information fo...

Ngày tải lên: 22/06/2014, 01:20

... algorithm does not require DOA information and polarization information, and it has blind and robust charac- teristics. The simulation results reveal that the performance PARAFAC receiver w ith ... for fitting the PARAFAC model,” Computational Statistics & Data Anal- ysis, vol. 50, no. 7, pp. 1700–1734, 2006. [20] N. D. Sidiropoulos and X. Liu, “Identifiability results for blind beamfor...

Ngày tải lên: 22/06/2014, 19:20