Báo cáo hóa học: " Research Article Efficient Hybrid DCT-Domain Algorithm for Video Spatial Downscaling" pot

... Advances in Signal Processing Volume 2011, Article ID 646134, 8 pages doi:10.1155/2011/646134 Research Article Efficient Dispersion Generation Structures for Spring Reverb Emulation Julian Parker Department ... therefore, also use this filter to perform the reconstruction, at no extra computational cost, albeit losing the potential savings of running the elliptic filter at the lower sa...

Ngày tải lên: 21/06/2014, 05:20

... Wireless Communications and Networking Volume 2010, Article ID 195910, 13 pages doi:10.1155/2010/195910 Research Article Efficient Vector-Based Forwarding for Underwater Sensor Networks Peng Xie, 1 Zhong ... position. The Algorithm. We propose a self-adaptation algorithm based on the concept of desirableness factor. This algorithm aims to select the most desirable nodes as forwa...

Ngày tải lên: 21/06/2014, 17:20

... Wireless Communications and Networking Volume 2008, Article ID 456703, 9 pages doi:10.1155/2008/456703 Research Article Efficient Path Key Establishment for Wireless Sensor Networks Noureddine Mehallegue, ... The proposed algorithm does not depend on a specific NDRP algorithm. Two methods have been proposed in [9] for the path key establishment process. We use them as benchmarks...

Ngày tải lên: 21/06/2014, 22:20

... Wireless Communications and Networking Volume 2010, Article ID 142921, 7 pages doi:10.1155/2010/142921 Research Article Efficient Scheduling of Pigeons for a Constrained Delay Tolerant Application Jiazhen ... trafficisλ Max = 80.95 for the single pickup point case, and it is λ Max = 61.47 for the multiple pickup points case due to additional travel costs needed for picking up the...

Ngày tải lên: 21/06/2014, 23:20

... scheme for partitioned video stream and potentially achieve better performance. For this purpose, we consider an LA scheme in this subsection that attempts to achieve better quality of delivered video ... (s) 0 0.2 0.4 0.6 0.8 1 Cumulative probability EDCA video delay 2STA data EDCA video delay 6STA data CAPS video delay 6STA data CAPS video delay 2STA data Figure 3: CDF of de...

Ngày tải lên: 21/06/2014, 23:20

... Advances in Signal Processing Volume 2007, Article ID 57291, 16 pages doi:10.1155/2007/57291 Research Article Efficient Hybrid DCT-Domain Algorithm for Video Spatial Downscaling Nuno Roma and Leonel ... = 1 S 2  p i,j  n l ×n c end for end for [  B] N×N = [C] N×N ·[  b] N×N ·  C t  N×N end for end for Figure 5: Proposed hybrid downscaling algorithm. K} wil...

Ngày tải lên: 22/06/2014, 20:20

... Speech, and Music Processing Volume 2007, Article ID 78439, 6 pages doi:10.1155/2007/78439 Research Article Efficient M ultichannel NLMS Implementation for Acoustic Echo Cancellation Fredric Lindstrom, 1 Christian ... demanding. Several methods for computational complexity reduction of the LMS/NLMS algorithms have been proposed and ana- lyzed, for example, [5–14]. In this paper a...

Ngày tải lên: 22/06/2014, 22:20

... focusing per- formances of the (ω, k) -algorithm using the zero-Doppler output geometry for squinted spotlight data without increas- ing the computation time for a given set of parameters and for a given ... Advances in Signal Processing Volume 2007, Article ID 59704, 7 pages doi:10.1155/2007/59704 Research Article Efficient and Precise Processing for Squinted Spotlight SAR Th...

Ngày tải lên: 22/06/2014, 23:20

... 4: Running time of inference algorithms under different number of observations (s). No. obs. MCMC Exact Approximate I Approximate II Forward Backward Forward Backward Forward Backward 3 × 10 185.24 ... which is depicted in Figure 8. Form Figure 8 we observe that the appr.I inference has a much higher KL divergence, averaging at 0.3933 for forward pass and 1.1727 for backward, than that of...

Ngày tải lên: 21/06/2014, 05:20

... Corporation EURASIP Journal on Advances in Signal Processing Volume 2010, Article ID 106562, 14 pages doi:10.1155/2010/106562 Research Article Efficient Compensation of Transmitter and Receiver IQ ImbalanceinOFDMSystems Deepaknath ... [tarighat], [schenck] No IQ imbalance compensation (b) BER versus SNR for receiver IQ imbalance Figure 6: Performance results for 16QAM OFDM system w...

Ngày tải lên: 21/06/2014, 08:20