handling datasets with extremely small sample size

... frames with two or three wavelets are constructed in [38] with better approximation order than the ones constructed from UEP In [63–65], interesting examples of symmetric tight wavelet frames with ... we start with two operators that are naturally associated with this system First let ℓ2 (X) be the space of square summable sequences indexed by X and ℓ0 (X) be the space of sequences with finite ... complete matrices with trigonometric polynomial entries The new construction guarantees the existence of multivariate tight/dual wavelet frames from a given refinement mask, with the constructed...

Ngày tải lên: 09/09/2015, 10:15

... every ω ∈ T With the above results concerning the connection of real line wavelets with periodic wavelets, we shall look at periodic constructions of wavelets in Chapter We begin first with bandlimited ... is a frame for L2 (Rs ) with the same frame bounds as X(Ψ) When we combine X(Ψ) with X(Ψ) under the appropriate normalization as X(Υ), X(Υ) remains a frame for L2 (Rs ) with the same frame bounds ... Examples We shall now illustrate the results in Section 2.2 with concrete examples for the univariate case with dilation factor We begin with a discussion on practical issues related to the flexibility...

Ngày tải lên: 11/09/2015, 09:59

... +ε)−log(ε) with ε = 0.1 130 4.3 Frequency of success for different surrogate functions with different ε > compared with the nuclear norm 149 4.4 Comparison of log functions with different ... 126 4.5 Comparison with other works 132 4.5.1 4.5.2 Comparison with the penalty decomposition method 138 4.5.3 4.6 Comparison with the reweighted minimizations ... Rank: Comparison of NN, ASNN1 and ASNN2 with observations generated from a low-rank doubly stochastic matrix with noise (n = 1000, r = 10, noise level = 10%, sample ratio = 10%) 162 4.6 Loss &...

Ngày tải lên: 10/09/2015, 09:12

... transactions within and between various geographical areas within one common boundary amounts to the construction of a series of SAMs plus their interlinkages Distinguishing regions within a SAM ... common approach is to start with selecting the most appropriate classification criteria and then delineate segments which are not too small and relatively homogeneous with respect to the adopted ... 1973) This applies to economies with substantial own-account production for consumption, primitive physical infrastructure, or a system of value added taxes (with drawbacks on exports) However,...

Ngày tải lên: 06/03/2014, 21:20

... correlates with human adequacy judgments as well as HTER, and far better than BLEU and other commonly used metrics Finally, we show that replacing the human semantic role labelers with an automatic ... by a sentence translation, they measured the recall with which humans can extract one of the who, when, or where elements from MT output—and without attaching them to any predicate or frame A ... roles, correctly translated arguments Conceptually, MEANT without considering the lexical realization “Semantic is defined in terms of f-score, with respect to the precirole overlapping” calculates...

Ngày tải lên: 07/03/2014, 22:20

... Holschneider, M., Kronland Martinet, R and Morlet, J., (1987) Detection of abrupt changes in sound signals with the help of wavelet transforms In verse Problems, An Interdisciplinary Study (Adv Electron...

Ngày tải lên: 11/03/2014, 06:21

... with a desires level can then be achieved Therefore, a DWT with K decomposition levels will have M = ∗ K + such frequency bands Figure 1(b) shows the 2-D structures of the wavelet transform with ... image, all the coefficients are finally performed with a consistency verification The fused image can then be achieved by an inverse wavelet transform with the coefficients obtained from all frequency ... Therefore, the coefficients of the low-frequency and high-frequency bands are treated with different ways: the former is selected with a visibility based scheme, and the latter is selected by a maximum local...

Ngày tải lên: 21/06/2014, 18:20

... does not need additional steps to deal with the pair matching problem Second, the JSVD is superior in estimating the 2D DOA, especially at low SNR and with a small number of snapshots Therefore, ... uncorrelated with each other and the additive noises {nz (t), nx (t)} are independent of the signal samples [8, 15, 18] The elements of {nz (t), nx (t)} are white Guassian random processes with zero-mean ... SNR for different subarray sizes by the proposed method It can be seen from Figure that RMSE of the elevation (azimuth) angle increases (decreases) with the increasing size of the submatrices This...

Ngày tải lên: 21/06/2014, 19:20

... due to the assumption about additive noise, we have s = s + e with s , e ∈ RN , and thus we can write H =H +E −0.2 Sample number with m + n − = N and m ≥ n Then we define the data matrix H = H ... signal, we always use the LPC power spectrum computed with Matlab’s lpc function with order 12, which is standard in speech analysis of signals sampled at kHz the eigenvalue decompositions of the ... alternatives to the SVD with a middle triangular matrix instead of a middle diagonal matrix—there are alternatives to the GSVD with middle triangular matrices They also come in two versions with upper and...

Ngày tải lên: 22/06/2014, 19:20

... constructed The proposed study is carried out within the framework of future investigation in the topic of recovering a discrete signal from its irregularly spaced samples in an efficient way by keeping ... dimensions can be built In previous works, we have shown that the smallest interpolation error is carried out for the basis of the smallest dimension, that is, d + [9, 11] This involves imposing ... sparse matrix with a vector exist Simulation results of the theoretical orthogonal decomposition are provided below The curve in Figure 11 presents the original signal irregularly subsampled on...

Ngày tải lên: 22/06/2014, 19:20

... the size of training patch could be small since its role is to resolve the ambiguity among multiple solutions caused by aliasing Specifically, we propose to combine patch-based prior constraint with ... SR, and our Algorithm which can be viewed as a special case of Algorithm with patch size being the same as the image size It can be ob- served that Algorithm achieves higher subjective quality ... reconstructed wheel images: (a) Algorithm with redundancy ratio of (PSNR = 27.06 dB); (b) Algorithm with redundancy ratio of (PSNR = 27.55 dB); (c) Algorithm with redundancy ratio of 16 (PSNR = 27.60...

Ngày tải lên: 22/06/2014, 22:20

... directly, with which a moving object in arbitrary directions that are not characterized by any specific orientation and/or motion will likely contribute many small coefficients associated with wavelets ... well known for video coding with overcomplete representations [19] With the matching-pursuit (MP) algorithm, the significant coefficients are chosen iteratively Starting with all the Video DDWT yi+1 ... (DDWT NS, top curve), using matching pursuit (DDWT MP, middle curve), without noise shaping (DDWT w/o NS, lower curve) for a small size test sequence 45 3.3 Simulation results For a given number of...

Ngày tải lên: 22/06/2014, 22:20

... function f is ∞ 100 Wavelet analysis power tool for analyzing localized variations of power within a time series, with successful applications in signal and image processing, numerical analysis, and ... used to compare H.pylori strains J99 and H.pylori strains 26695 The size of the inversed and translocated fragments is much smaller than that of S.typhi CT18, S.typhi Ty2, and S.typhimurium LT2, ... Compared with the widely used GC skew and AT skew, the purine excess and the keto excess are visualization tools to show whole genome information; they not involve any default window size or the...

Ngày tải lên: 23/06/2014, 01:20

... recombination map, we sampled European ancestry with probability a and African ancestry with probability - a, Page of 18 where the value of a was sampled once from a beta distribution with mean 0.20 ... are measured in cM (Figure S3 in Additional file 1) Sample size estimation For some of the populations considered in this study the sample size was limited to 25 individuals To ensure that the ... Sensitivity of the method to smaller effective population size and continuous migration To test the sensitivity of our method with respect to the initial effective population size, we ran additional...

Ngày tải lên: 09/08/2014, 22:23

... method that this method can shrink small coefficients to zero and provide a sparse solution The solution is continuous with respect to data and also continuous with respect to the threshold parameter ... each group, they penalize the parameters within the group with a lγk norm For the resulting K dimensional vector, it was penalized by an overall lγ0 norm with power γ0 Their method can be presented ... the sample covariance matrix but the eigenvalues are shrunken Ledoit and Wolf (2003a, 2003b, 2004) have developed a series of work that focused on combining the sample covariance matrix with...

Ngày tải lên: 09/09/2015, 10:09

... on computational harmonic analysis and discussing with him, I consolidated my knowledge on Fourier analysis and wavelets theory He also shared with me his research and life experience which I ... way or another Without them my life in Singapore would not have been so colorful At last, I deeply thank all my family members, especially my mother, my sister, and my twin brother, without their ... construction of tight wavelet frames painless [66, 68, 24] Compared with the construction of wavelets, which requires a refinable function with orthonormal shifts, tight wavelet frames can be derived...

Ngày tải lên: 14/09/2015, 14:07

... State” effect work correctly with any pre-stressing input order 3.107 Version 8.26.02 • New module : Specific feature for handling time dependent effects within the construction schedules ... import / export extension AASHTO special loading with concentrated for Mz Shear lag property is available Version 8.26.03 • Windows-NT/2000: Problems with abnormal program aborts in the graphical ... • Action LiveL supplemented with element number if the load train should be set to the expected min/max position of the selected element Action PlElTnd : tendons with their nominal and duct area...

Ngày tải lên: 06/09/2012, 15:18

... giá tr ma tr n có d ng ph c ZZ = 1.0 + 8.0i 2.0 + 6.0i 5.0 + 4.0i Dùng l nh size n u mu n bi t kích thư c m t ma tr n >> size( ZZ) s cho % m t dòng c t L y giá tr c a m t ma tr n A(i, j) bi u di ... Formatted I/O fgetl Return the next line of a file as a string without line terminator(s) fgets Return the next line of a file as a string with line terminator(s) fprintf Write formatted data to file ... contour Contour (level curves) plot meshc Combination mesh/contourplot mesh 3-D mesh with reference plane peaks A sample function of two variables surf 3-D shaded surface graph surface Create surface...

Ngày tải lên: 13/09/2012, 10:21

... thành kh ả tích h ợp đem l ại l ợi ích cho ng ười s d ụng Thứ ba: Vi Điều Khiển đượ c coi nh m ột small computer” hay System On Chip (SoC) Bên vi ều ển bao g ồm CPU, ROM , RAM, EEPOM, giao ti ếp...

Ngày tải lên: 12/10/2012, 14:16

... Construction for the Construction of Basement within extremely difficult urban environment Attributes that affect the construction of deep basement: Size of a site Volume of work Shape and Typographical ... site with abandon of unobstructed working space Open-cut arrangement for the Kowloon Station of the Airport Railway Construction of basement using Bottom-up approach - suitable for basement of small ... section Construction of basement using Top-down approach - suitable for basement of very large size with complex environment Typical Top-down arrangement as in Pioneer Center (left) and Cheung...

Ngày tải lên: 18/10/2012, 10:52