continuum estimation using orthogonal polynomials

... cohort study, we assessed individual air pollution exposure at the home address using advanced state-of-theart methods By using a combination of GIS based dispersion modelling and continuous monitoring ... MT, Nieuwenhuijsen MJ, Herce-Garraleta D, Brunekreef B: Estimation of outdoor NO(x), NO(2), and BTEX exposure in a cohort of pregnant women using land use regression modeling Environ Sci Technol ... doi:10.1186/1476-069X-11-9 Cite this article as: Van den Hooven et al.: Air pollution exposure estimation using dispersion modelling and continuous monitoring data in a prospective birth cohort study...

Ngày tải lên: 06/03/2014, 19:20

... performance of decentralized estimation In orthogonal MACs, most of the existing works assume that perfect CSI is available at the FC Recently, the impact of channel estimation errors on the decentralized ... studied in [22], and its impact on the decentralized estimation when using AF transmission is investigated in [23] However, the decentralized estimation with unknown CSI for digital communications ... efficiency Conclusion In this paper, we studied decentralized estimation for a deterministic parameter using digital communications over orthogonal multiple-access fading channels with a multiple-bit...

Ngày tải lên: 18/06/2014, 22:20

... performance of decentralized estimation In orthogonal MACs, most of the existing works assume that perfect CSI is available at the FC Recently, the impact of channel estimation errors on the decentralized ... studied in [22], and its impact on the decentralized estimation when using AF transmission is investigated in [23] However, the decentralized estimation with unknown CSI for digital communications ... efficiency Conclusion In this paper, we studied decentralized estimation for a deterministic parameter using digital communications over orthogonal multiple-access fading channels with a multiple-bit...

Ngày tải lên: 20/06/2014, 04:20

... estimates at rational values of the fundamental frequency for single pitch estimation In Sect VI, we derive an order estimation criterion specifically for the signal model used through this paper, ... This is essentially because the columns of Zk are complex sinusoids that are asymptotically orthogonal Using this approximation, the noise variance estimate can be simplified significantly, i.e., ... filterbank design problem in (36) is stated using number of constraints for each filter In solving for the optimal filter, we proceed as before by using the Lagrange multiplier method, whereby...

Ngày tải lên: 21/06/2014, 03:20

... “Zeros of Jacobi-Sobolev orthogonal a polynomials, ” International Mathematical Journal, vol 4, no 5, pp 413–422, 2003 H G Meijer and M G de Bruin, “Zeros of Sobolev orthogonal polynomials following ... divergence almost everywhere of such expansions Jacobi Polynomials For α, β > −1, we denote by {Pn x }∞ the sequence of Jacobi polynomials which are n orthogonal on −1, with respect to the measure dμα,β ... 2.4 The second one follows by taking derivatives in 3.10 and using 2.6 α,β Using 3.10 in a recursive way, the representation of the polynomials Qn α,β−1 x }∞ becomes of the elements of the sequence...

Ngày tải lên: 21/06/2014, 07:20

... the precision of curvature estimation is significantly improved Figure depicts the estimation errors of using fixed radii and adaptive radius It is obvious that the estimation errors of the adaptive ... Processing ×10−3 0.1 10 Estimation error Estimation error 0.05 0 −0.05 −0.1 −0.15 −0.2 −5 −5 x −0.25 −5 x Adaptive radius r=4 r = 0.1 Adaptive radius r=4 r = 0.1 (a) (b) Estimation error 0.2 −0.2 ... selection algorithm using bootstrap method avoiding the convolution with polynomial complexity by instead using the one with constant complexity 2.6 Adaptive Window Selection The curvature estimation...

Ngày tải lên: 21/06/2014, 08:20

... project is the estimation of blood pressure and possibly other clinically pertinent parameters We believe the following phenomena apply to the aorta and, hence, may serve as the basis for estimation ... the radar echo, this average value decreases, hence, increasing estimation variance 5.2 Implications on Es /Γ0 for Aorta Radius Estimation Once ( fc , B) has been chosen and a CRLB at Es /Γ0 = ... model Hence, the above values represent optimistic estimations Conclusion This article focuses on identifying an optimal signal choice for the estimation of the diameter of a lossy cylinder with...

Ngày tải lên: 21/06/2014, 16:20

... Robust reconstruction algorithm for compressed sensing in Gaussian noise environment using orthogonal matching pursuit with partially known support and random subsampling Parichat Sermwuthisarn1, ... reconstruction method using compressed signal ensemble from one compressed signal is proposed The compressed signal is subsampled for L times to create the ensemble of L compressed signals Orthogonal matching ... Lorentzian-based iterative hard thresholding, OMP-PKS and distributed compressed sensing using simultaneously orthogonal matching pursuit The experimental results of 42 standard test images showed...

Ngày tải lên: 21/06/2014, 17:20

... cost function as defined for directionof-arrival and frequency estimation The derivations in this paper put order estimation using the orthogonality property of MUSIC on a firm mathematical ground ... Definition and Basic Results The orthogonality property states that for the true parameters, the matrix A is orthogonal to the noise subspace eigenvectors in G For estimation purposes, we need a ... are orthogonal or asymptotically orthogonal Consequently, it holds for sinusoids, for example, but not for damped sinusoids We now arrive at a convenient measure of the extent to which the orthogonality...

Ngày tải lên: 21/06/2014, 19:20

... Robust reconstruction algorithm for compressed sensing in Gaussian noise environment using orthogonal matching pursuit with partially known support and random subsampling Parichat Sermwuthisarn1, ... reconstruction method using compressed signal ensemble from one compressed signal is proposed The compressed signal is subsampled for L times to create the ensemble of L compressed signals Orthogonal matching ... Lorentzian-based iterative hard thresholding, OMP-PKS and distributed compressed sensing using simultaneously orthogonal matching pursuit The experimental results of 42 standard test images showed...

Ngày tải lên: 21/06/2014, 19:20

... bit-rate increment, and motion estimation time saving versus QP are also compared using various thresholds and tabulated in Table As shown, the early zero-block detection using a nearly sufficient condition ... average search points (14.09 reduced to 3.04) in the motion estimation can be saved when utilizing the zeroblock detection approach using threshold 3.5Qstep : much higher than the other two sufficient ... H.264/AVC, interframe motion estimation is performed for different block sizes (denoted as modes), varying among 16 × 16, 16 × 8, × 16, × 8, × 4, × 8, and × The motion estimation involves finding...

Ngày tải lên: 22/06/2014, 00:20

... and polarization estimation using the ESPRIT algorithm,” IEEE Transactions on Antennas and Propagation, vol 40, no 5, pp 550–555, 1992 [23] J Li, “On polarization estimation using a crossed-dipole ... polarization estimation using ESPRIT with a polarization sensitive array,” IEEE Transactions on Antennas and Propagation, vol 39, no 9, pp 1376–1383, 1991 [21] J Li and R T Compton Jr., “Angle estimation ... note that QQ-MUSIC cannot fulfill simultaneous estimation of DOA and polarization The problem of polarization estimation or joint DOApolarization estimation remains unresolved and is currently...

Ngày tải lên: 22/06/2014, 01:20

... classification of different approaches to head pose estimation was presented in Section In this section, we discuss approaches to pose estimation using manifold learning, that are related to the ... pose estimation The least pose angle estimation error in all their experiments was 10.7◦ , which is rather high Hu et al [24] developed a unified embedding approach for person-independent pose estimation ... 10.67◦ 10.41◦ Error in pose estimation LLE 6.60◦ 6.04◦ 4.91◦ 4.37◦ 3.86◦ 3.27◦ Laplacian eigenmap 7.72◦ 6.32◦ 5.08◦ 4.57◦ 4.17◦ 3.93◦ Table 3: Results of head pose estimation using principal component...

Ngày tải lên: 22/06/2014, 06:20

... at zs = 70 m using mode amplitudes modulus and mode amplitudes with their signs As a result, source depth estimation is improved using the sign of mode amplitudes Results obtained using mode amplitudes ... same method 3.2 Mode excitation factors and depth estimation 3.2.1 Mode excitation factors estimation (or modal filtering) The first step of MMP using an HLA consists in extracting mode excitation ... SNR = 12 dB: error on source depth estimation SNR = 12 dB Receivers V2 = 2000 m/s Vs2 = 1000 m/s ρ2 = 20 m Estimation error between 0–2 m 2–4 m + Percentages of estimations 98% 2% 0% Figure 12:...

Ngày tải lên: 22/06/2014, 23:20

... and W Luo, “On channel estimation using superimposed training and first-order statistics,” IEEE Communications Letters, vol 7, no 9, pp 413–415, 2003 , “On channel estimation using superimposed training ... based) channel estimation using superimposed training Then we extended the first-order statistics-based solution to an iterative approach to joint channel and information sequence estimation, based ... sequence estimation, based on CE-BEM, using Viterbi detectors The first-order statistics-based approach views the information sequence as interference whereas in the iterative joint estimation...

Ngày tải lên: 22/06/2014, 23:20

... controls the influence of the previous estimations, and Rt is the estimation of the auto-correlation matrix at time t Unfortunately, the recursive estimation using (17) does not preserve the Toeplitz ... PARCOR coef− ficients {ρ j }N=11 are computed by using the recursion j w(i−1)∗ = j ¯ −j w(i)∗ − ρi wi(i)∗ j − ρi ( j = 1, 2, , i − 1) DOA ESTIMATION USING A DATABASE RETRIEVAL SYSTEM We have explained ... ρ p+1 = · · · = ρN −1 = The reason for using this procedure is that the value of |ρ p | does not become exactly equal to unity due to estimation errors Using the modified L-D algorithm, we can...

Ngày tải lên: 22/06/2014, 23:20

... ΣΓi 1.3 Orthogonal polynomials For fundamental facts on orthogonal polynomials our main reference is Chihara’s book [9] A moment functional L is a linear map C[x] → C A sequence of polynomials ... prove non-negativity results for orthogonal polynomials may be found Since it is a goal of the present paper to inspire collaboration between researchers of orthogonal polynomials and Eulerian posets, ... ask, what is the meaning of such invariants in the theory of orthogonal polynomials Finally, a new connection between certain orthogonal polynomials and statistics on words may be established by...

Ngày tải lên: 07/08/2014, 08:22

... different start positions (Figure 1): (a) Expression estimation using alignments to a predefined transcriptome reference, (b) Expression estimation using alignments to a transcriptome reference that ... use cases (a) expression estimation using a pre-defined transcriptome reference; (b) construction of a custom transcriptome reference from the data followed by expression estimation Haplotype-specific ... aligned to the standard genome reference using TopHat [17] Then, genotypes are called with SAMtools pileup [18] Genotypes are then phased with polyHap [19] using population genotype data to produce...

Ngày tải lên: 09/08/2014, 22:23

... using additive models to estimate genomic breeding values In particular, the modelling of the genotypic data is shown and a method for the optimal selection of model parameters is presented Using ... compared to those obtained from the BLUP method for genomic breeding value estimation Methods Nonparametric kernel regression using additive models Assume that n individuals (i = 1, , n) are genotyped ... the Nadaraya-Watson regression (denoted ˆb estimation set of each b This results in B different g  , j by NWR) in the form described in (5), but using ( y i∗ | xijk) instead of yi The term...

Ngày tải lên: 14/08/2014, 13:21

... assembled using a 30% transcript length alignment refereed research Figure Validation of transcript abundance estimation for endogenous transcripts Validation of transcript abundance estimation ... which will be available to the community without restriction Using qPCR, we have shown that this control system allows the reproducible estimation of absolute transcript levels A valuable tool for ... (Promega Catalog number P1241) using the introduced SalI and XbaI sites A total of 63 60-mer oligonucleotide 'sense-strand' probes were selected for the 14 candidate sequences using both ArrayOligoSelector...

Ngày tải lên: 14/08/2014, 14:21