Báo cáo sinh học: " Research Article Adaptive Long-Term Coding of LSF Parameters Trajectories for Large-Delay/Very- to Ultra-Low Bit-Rate Speech Coding" pdf
Báo cáo sinh học: " Research Article A Multifactor Extension of Linear Discriminant Analysis for Face Recognition under Varying Pose and Illumination" pdf
... The columns of eachmatrix span the linear subspace of the data space formed byvarying each factor . Therefore, Vsubj, Vview,andVlightconsist of eigenvectors corresponding to the largest ... one type of low-dimensional projection vector for each face image, MPCA can obtain multiple types of low-dimensional projection vectors; each vector parameterizesadifferent factor of variations ... Vview,andlth row of Vlight, respectively. In this paper, to solve for thethree parameters of an arbitrary unlabeled image x,onefirstcalculates the Kronecker product of these parameters using(6):vsubj⊗...
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Báo cáo sinh học: " Research Article Adaptive Long-Term Coding of LSF Parameters Trajectories for Large-Delay/Very- to Ultra-Low Bit-Rate Speech Coding" pdf
... Speech, and Music ProcessingVolume 2010, Article ID 597039, 13 pagesdoi:10.1155/2010/597039 Research Article Adaptive Long-Term Coding of LSF Parameters Trajectories for Large-Delay/Very- to ... discussion/conclusionsection.2. The Long-Term Model for LSF Trajectories In this section, we first consider the problem of modelingthe time-trajectory of a sequence of K consecutive LSF parameters. These LSF parameters ... 2D-DCT transform coding (dashed lines, greycircles )for, fromtoptobottom,K= 2, 5, 10, and 20; adaptive 2D-DCT transform coding (continuous line, grey circles); and adaptive 2D-KLT transform coding...
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Báo cáo sinh học: " Research Article Adaptive Wavelet Transform Method to Identify Cracks in Gears" pot
... of the gear unit.5. ConclusionBy means of adaptive wavelet transform it is possible both to define changes and to establish the presence of a damageor fault, at the level of an individual tooth. ... Due to this, it is possible to, by optimising the two parameters for a daughter wavelet,build an adaptive wavelet filter. The selection of the motherwavelet that adapts best to the signal to ... entropy can be applied to measure the diversity of a possibility series. It is, therefore,possible to use entropy of wavelet coefficients to measuresparsity of coefficients of these wavelets.Renyi...
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Báo cáo hóa học: " Research Article Adaptive Linear Prediction Filtering in DWT Domain for Real-Time Musical Onset Detection" potx
... terms of performances but often not suitable to real-timecomputing, for example, they require knowledge of the whole piece to perform optimally, or they are too computationally intensive for most ... porting of the algorithm to an embedded device is to validate its design and principles, to assist the tuning of t he algorithm parameters, and to gather an insight on problematics related to real-time.Table ... DSP to generic RISCarchitectures) for consumer electronics, performing arts, ormusical equipment. Thus, it can be of interest to scale themost recent techniques for onset detection to fit into...
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Báo cáo sinh học: " Research Article Existence and Uniqueness of Mild Solution for Fractional Integrodifferential Equations" docx
... ds.3.24The right-hand side of 3.24 tends to 0 as t2→ t1as a consequence of the continuity of Stin the uniform operator topology for t>0 by the compactness of St.SoI3→ 0ast2→ t1.Thus, ... infinitesimal generator of a compact semigroup S· of uniformly bounded linear operators. Then there exists M ≥ 1 such that St≤M for t ≥ 0.According to 22, 23, a mild solution of 1.1 can be ... EquationsVolume 2010, Article ID 158789, 10 pagesdoi:10.1155/2010/158789 Research Article Existence and Uniqueness of Mild Solution for Fractional Integrodifferential EquationsFang Li1and Gaston M. N’Gu´er´ekata21School...
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Báo cáo sinh học: " Research Article Determining Consecutive Periods of the Lorenz Maps" pot
... <h≤ 1/a. The main goal of symbolic dynamics is to determine all of the possiblemotions of a system under study. In practice, all of the allowed short periodic sequences up to a certain period are ... up to acertain number with little computer time. Examples for consecutive periods of orbits are raised for the Lorenz maps. With a little variation, the theorems and algorithm can be applied to ... composed of the basic 1-strings; see Algorithm 2.Program 1(c)Check against the ordering rule of 2.1 and the condition of 2.2 and find out all of the trueperiodic sequences with the period of...
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Báo cáo sinh học: " Research Article Multiple Positive Solutions of Fourth-Order Impulsive Differential Equations with Integral Boundary Conditions and One-Dimensional p-Laplacian" ppt
... economics. For an introduction of the basic theory of impulsivedifferential equations, see Lakshmikantham et al. 1; for an overview of existing results and of recent research areas of impulsive ... 3.4.Proof. The proof is similar to that of Theorem 3. 1of 6.14 Boundary Value ProblemsProof. Let T be the cone preserving, completely continuous operator that was defined by2.35. For y ∈ ... olutionyt,t∈ J with property 3.17.Proof. The proof is similar to that of Theorem 3. 2of 6.Theorem 3.5. Assume that H1, H2, 3.1 of H3 and 3.14 and 3.15 of H4 hold. Inaddition,...
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Báo cáo sinh học: " Research Article Time-Frequency Characterization of Cerebral Hemodynamics of Migraine Sufferers as " pptx
... in thestopband and cutoff frequency equal to 15 mHz).Figure 2 reports an example of time-frequency repre-sentation (depicted by means of a 6-levels contour plot) of the HHb signal of a healthy ... detrendingwas not suitable to our data, since for trends generated byHYP it was sufficient an order equal to 3, but for the abrupttrends of caused by the end of the BH, an order of 5 or morewas required. ... respect to their standarddeviation. We chose to represent the data using the first 3PCs that explained 80.7% of the total variance of the data.Ta bl e 2 reports the weights of the five variables for...
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Báo cáo sinh học: " Research Article A Contourlet-Based Image Watermarking Scheme with High Resistance to Removal and Geometrical Attacks" pptx
... thedirectional information such as smooth contours and thedirectional edges of the image. This problem is addressed bycontourlet transform (CT) [12]. The contourlet transformwas developed ... 25% of the host image size, is embedded intothe g ray level host image of size N× N. The host imageand the watermark are transformed into the contourletdomain.Then, the CT coefficients of the ... 0.985401transform structure of the Laplacian Pyr amid. In this section,we attempt to show the robustness of our watermarkingTable 2: Results of embedding more amounts of data into 16th andanother...
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Báo cáo sinh học: " Research Article Iterative Frequency-Domain Channel Estimation and Equalization for Ultra-Wideband Systems with Short Cyclic Prefix" pot
... are possible for the performance of the proposedreceiver for different channels. In addition, the AWGN orthe matched filter bound and the BER performance of theproposed receiver for the CM1 channel ... loss due to the lack of full CP (possibly via iterative processing). Unfortunately,most of the works mentioned above address one or more of these design issues, but not all of them. For this ... performs soft cancellation of both IBIand ISI at its input and soft log-likelihood mapping at itsoutput. The joint equalization and decoding iterations arecarried out so as to improve the soft...
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