Báo cáo hóa học: "Research Article Joint Video Summarization and Transmission Adaptation for Energy-Efficient Wireless Video Streaming" pptx

... increases. EURASIP Journal on Wireless Communications and Networking 13 Because for any x>0, e x > 1+x and e −x ∈ (0,1), thus, for any ρ 0 ≥ 0andT>0, we can obtain ∂h(ρ 0 , T)/∂T > 0and ∂h(ρ 0 , T)/∂ρ 0 > ... results are OFF) and transmits in both “OFF slots” and “ON slots”. The optimal allocation of sensing period and trans- mission time for two access polic...

Ngày tải lên: 21/06/2014, 11:20

... Jenka ˇ c, and C. Weiß, “Feedback and error protection strategies for wireless progressive video transmission, ” IEEE Transactions on Circuits and Systems for Video Technology, vol. 12, no. 6, ... IEEE Wireless Communications and Networking Conference (WCNC ’08),pp. 1588–1592, March 2008. [2] H. Wang, H. P. Schwefel, and T. S. Toftegaard, “T he optimal joint power an...

Ngày tải lên: 21/06/2014, 17:20

... inferred: (i) for the same observation interval, a specified performance can be achieved with a lower SNR for AM and lower-order FSK modulated signals; (ii) the performance differential for the proposed ... I {·} denotes the Fourier transform. Convolution and change of variables are, respectively, performed at the second and fourth steps in the right hand-side of (A.3), and the id...

Ngày tải lên: 21/06/2014, 19:20

... pages doi:10.1155/2009/354107 Research Article Random Bit Flipping and EXIT Charts for Nonuniform Binary Sources and Joint Source-Channel Turbo Systems Xavier Jaspar 1 and Luc Vandendorpe 2 1 Laborelec, Rodestraat ... original EXIT charts to nonuniform bits. The second one uses a random bit flipping to make the bits virtually uniform and has two interesting advantages: (1) it han...

Ngày tải lên: 21/06/2014, 20:20

... strategies for MV encoding: (a) separate MV for texture and depth map and (b) a common MV field for texture and depth sequences. test sequences are encoded, according to their own resolution and frame ... Conclusion and Future Work This paper presented a novel method for the coding the video- plus-depth data by means of a joint estimation of the MV field for the texture m...

Ngày tải lên: 21/06/2014, 22:20

... Corporation EURASIP Journal on Wireless Communications and Networking Volume 2009, Article ID 564692, 15 pages doi:10.1155/2009/564692 Research Article Joint Throughput Maximization and Fair Uplink Transmission Scheduling ... algorithm on its operation and achievable performance and allow us to obtain a better understanding of its operational characteristics and properties...

Ngày tải lên: 21/06/2014, 22:20

... M. Fumagalli, R. Lancini, and S. Tubaro, “Multiple description video coding for scalable and robust transmission over IP,” IEEE Transactions on Circuits and Systems for Video Technology, vol. 15, ... W.S.Lee,M.R.Pickering,M.R.Frater,andJ.F.Arnold,“A robust codec for transmission of very low bit-rate video over channels with bursty errors,” IEEE Transactions on Circuits...

Ngày tải lên: 22/06/2014, 22:20

... searches, we found that using a larger angle interval performs better for complex motion sequences, for example, Foreman. For small motion sequences, for example, Akiyo, using a smaller interval angle has ... which is adopted in the latest video coding standards, performs block matching on interpolated reference frames. For example, 1/4-pixel and 1/8-pixel MCP require 4 and 8...

Ngày tải lên: 21/06/2014, 08:20

... of problem 1.2, then i u ∈ L q Ω for all q ∈ 2, ∞; ii uy, z → 0 as |z|→0 uniformly for y ∈ ω and u ∈ C 1,α Ω for any 0 <α<1; iii for any  ∈ 0, 1  μ 1 , there exist positive ... may assume R 0  R ,and ∈ 0, δ 0  where R 0 , R and δ 0 are given in f3 and a3, respectively. Boundary Value Problems 15 Lemma 4.2. Assume a1, a3 and f1–f3 hold....

Ngày tải lên: 21/06/2014, 20:20

... learning and analysis for surveillance,” IEEE Transactions on Circuits and Systems for Video Technology,vol. 18, no. 8, Article ID 4543858, pp. 1114–1127, 2008. [9] L.Li,W.Huang,I.Y.H.Gu,andQ.Tian,“Foregroundobject detection ... 0.05 for the walking event, and 0.95 for the running event, since there is 95% probability for a value to be comprised between μ − 2σ and μ +2σ...

Ngày tải lên: 21/06/2014, 20:20