Báo cáo hóa học: " End-to-End Rate-Distortion Optimized MD Mode Selection for Multiple Description Video Coding" doc
... adaptive MD mode selection for multiple description coding. This ap- proach makes use of multiple MD coding modes within a given sequence, making optimized decisions using a model of expected end-to-end ... that additional MD modes of interest may be straightforwardly incorporated into the adaptive MD encoding framework and the associated models for determining the...
Ngày tải lên: 22/06/2014, 23:20
... motion model could further im- prove RD performance of the proposed scheme, making it an interesting solution for the scalable video coding problem. REFERENCES [1] G. J. Sullivan and T. Wiegand, Video ... to WT-based video coding. In the proposed scheme, the input video data firstly undergo a temporal anal- ysis based on the motion-compensated lifted wavelet trans- form. The motion in...
Ngày tải lên: 22/06/2014, 22:20
... to use a recently devel- oped transform, multivariate empirical mode decomposition (MEMD), for quantifying the phase synchrony between multiple time series. EMD is a fully adaptive, data-driven approach ... and mode mixing [16]. The idea of using bivariate EMD to compute phase synchrony between two signals was first suggested in [12], and the BEMD was shown to perform better than univa...
Ngày tải lên: 21/06/2014, 09:20
báo cáo hóa học:" A comparative study of some methods for color medical images segmentation" doc
... image segmentation. 9 Deformable models are physically motivated, model-based techniques for outlining region boundaries using closed parametric curves or surfaces that deform under the influence ... process for the already increasing amount of medical images. As a result, reliable automatic methods for image segmentation are necessary. 19 In the color-based region model, the evidence f...
Ngày tải lên: 20/06/2014, 04:20
báo cáo hóa học: " Existence and multiplicity of positive solutions for a nonlocal differential equation" docx
... that a (x) = ||x|| for all x ∈ P c .Suppose there exists 0 <d <a <b = c such that (i) {x Î P (a,a,b): a (x)>a} ≠ ∅ and a (Ax)>a for x Î P (a,a,b); (ii) ||Ax|| <d for ||x|| ≤ d; (iii) ... China Full list of author information is available at the end of the article Abstract In this paper, the existence and multiplicity results of positive solutions for a nonlocal diffe...
Ngày tải lên: 21/06/2014, 02:20
Báo cáo hóa học: " Research Article Secure Precise Clock Synchronization for Interconnected Body Area Networks" doc
... otherwise increase their dut y cycle for BAN formation purposes. For BAN time synchronization, in each period S C,k ,aCN needstobeactiveaminimumofn · T k guard,u +max(d CN,u ) for all u seconds, where T k guard,u is ... (SPS-SE) pro- tocol, a SPS-based protocol for synchronizing two nodes and exchanging time observations for RATS. Fourthly, we propose a novel system for secure tim...
Ngày tải lên: 21/06/2014, 05:20
báo cáo hóa học:" Research Article Optimization of Hierarchical Modulation for Use of Scalable Media" doc
... increment of k, the BER curve for HP bits moves backward while the BER curve for LP bits moves forward along the SNR axis. That is, for a fixed BER value, the SNR for HP bits monotonically decreases ... the SNR for LP bits monotonically increases in response to k.As k increases, the SNR for HP and LP bits cross; thus, for any target bit error rate, the gap between SNR for HP bi...
Ngày tải lên: 21/06/2014, 18:20
Báo cáo hóa học: "Research Article Unequal Error Protection Techniques Based on Wyner-Ziv Coding" doc
... Video Processing 3 Video encoder Video decoder Wyner-Ziv encoder Wyner-Ziv decoder Side information Lossy channel Input video sequence X Output sequence X Figure 2: Error resilient video ... of I frames, mode information (MI) as well as the transform coefficients are protected whereas motion vector differences, mode information and reference frame index (RI) are protected...
Ngày tải lên: 21/06/2014, 20:20
Báo cáo hóa học: " Research Article On Two Iterative Methods for Mixed Monotone Variational Inequalities" doc
... extraresolvent method for monotone mixed variational inequalities,” Mathematical and Computer Modelling, vol. 29, no. 3, pp. 95–100, 1999. 30 M. A. Noor, “A modified extragradient method for general monotone ... ∂ϕ, we write J ϕ ρ for J ∂ϕ ρ . It is known that T is monotone if and only of for each ρ>0, the resolvent J T ρ is nonexpansive, and T is maximal monotone if and only of...
Ngày tải lên: 21/06/2014, 20:20