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blind frequency domain method

Independent vector analysis based on overlapped cliques of variable width for frequency-domain blind signal separation

Independent vector analysis based on overlapped cliques of variable width for frequency-domain blind signal separation

... novel method is proposed to improve the performance of independent vector analysis (IVA) for blind signal separation of acoustic ...a frequency-domain approach that successfully resolves the ...

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Combining Superdirective Beamforming and Frequency-Domain Blind Source Separation for Highly Reverberant Signals

Combining Superdirective Beamforming and Frequency-Domain Blind Source Separation for Highly Reverberant Signals

... in frequency-domain BSS is a challenge in the combined ...combined method, the directivity information contained in the mixing matrix does not exist any longer after ...

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Permutation Correction in the Frequency Domain in Blind Separation of Speech Mixtures

Permutation Correction in the Frequency Domain in Blind Separation of Speech Mixtures

... on frequency domain methods as time domain methods are too costly since a large number of lags would be ...(frequency domain) estimation method is to compute the DFT of the data ...

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COMPARATIVE ANALYSIS OF TIME DOMAIN AND FREQUENCY DOMAIN BLIND AUDIO SOURCE SEPARATION TECHNIQUES

COMPARATIVE ANALYSIS OF TIME DOMAIN AND FREQUENCY DOMAIN BLIND AUDIO SOURCE SEPARATION TECHNIQUES

... of blind audio source separation techniques in time domain, frequency ...time domain analysis modified convex divergence method and ICA decomposition techniques are considered and in ...

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Embedding and Extracting Digital Watermark Based on DCT Algorithm

Embedding and Extracting Digital Watermark Based on DCT Algorithm

... the method of adding digital watermark in the frequency ...the frequency do- main coefficient matrix to realize the embedding and extracting of the blind watermark in the ...

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Chromatic dispersion compensation in coherent transmission system using digital filters

Chromatic dispersion compensation in coherent transmission system using digital filters

... the blind look-up filter comprises two steps ...a blind adaptive FDE to estimate the accumulated chromatic dispersion in the transmission system, which has already been introduced and analyzed previously ...

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BLOCK BASED ROBUST BLIND IMAGE WATERMARKING USING DWT, SVD AND TORUS AUTOMORPHISM

BLOCK BASED ROBUST BLIND IMAGE WATERMARKING USING DWT, SVD AND TORUS AUTOMORPHISM

... spatial domain or in frequency ...spatial domain than frequency ...using frequency domain for embedding the information in host image ...i.e. blind and non-blind. ...

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Frequency-Domain Blind Source Separation of Many Speech Signals Using Near-Field and Far-Field Models

Frequency-Domain Blind Source Separation of Many Speech Signals Using Near-Field and Far-Field Models

... Let us discuss the advantages of the integrated method. The main advantage is that it does not cause a large misalign- ment as long as the permutations fixed by the localization approach are correct. Moreover, the ...

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Nonparametric Bayesian sparse factor analysis for frequency domain blind source separation without permutation ambiguity

Nonparametric Bayesian sparse factor analysis for frequency domain blind source separation without permutation ambiguity

... in frequency-domain processing, and uncertainty about the number of sources in the observed ...e.g., frequency-wise separation and permutation resolution, to overcome these problems, their outcomes ...

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Equivalence between Frequency Domain Blind Source Separation and Frequency Domain Adaptive Beamforming for Convolutive Mixtures

Equivalence between Frequency Domain Blind Source Separation and Frequency Domain Adaptive Beamforming for Convolutive Mixtures

... due to the scaling problem in BSS: the estimated source signal components are recovered with a different gain in different frequency bins. Although the outputs obtained by BSS are filtered versions of the source ...

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A Cooperative Sensing Method Using Katz Fractal Dimension in Frequency Domain

A Cooperative Sensing Method Using Katz Fractal Dimension in Frequency Domain

... in frequency domain of AWGN in different power of noise, the Figure 1 shows that the Katz fractal dimension in frequency domain of noise is stable in the range of ...in frequency ...

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Evaluation of Detrending Method Based on Ensemble Empirical Mode Decomposition for HRV Analysis

Evaluation of Detrending Method Based on Ensemble Empirical Mode Decomposition for HRV Analysis

... time domain indices are: 1) SNDD, the standard deviation of the RR intervals; 2) RMMSD, the root mean square of the differences of successive RR intervals; 3) NN50, the number of consecutive RR intervals with ...

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A Novel Temporal-Frequency Domain Error Concealment Method for Motion Jpeg

A Novel Temporal-Frequency Domain Error Concealment Method for Motion Jpeg

... and frequency-domain error concealment methods are investigated, in the section ...proposed method that is based on a novel mixture of temporal-domain and frequency- domain ...

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Robust H-infinity Controller Design Using Frequency-Domain Data via Convex Optimization

Robust H-infinity Controller Design Using Frequency-Domain Data via Convex Optimization

... Another solution is to use a randomized approach where the constraints are satisfied for a finite set of randomly chosen frequencies. In this approach, a bound on the violation probability of the constraints can be ...

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Frequency-Domain Nonlinear Behavioral Modeling Using The Arithmetic Operator Method

Frequency-Domain Nonlinear Behavioral Modeling Using The Arithmetic Operator Method

... independent frequency domain ...new frequency domain construct rooted in a vector space has been developed which has some desirable statistical properties that will be discussed in Section ...

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Data Hiding in Image using multilevel 2 D DWT and ASCII Conversion and Cyclic Mathematical Function based Cryptography

Data Hiding in Image using multilevel 2 D DWT and ASCII Conversion and Cyclic Mathematical Function based Cryptography

... proposed method extracts by combining the features of cryptography and ...High Frequency Coefficients of each Dimension at all levels of 2-D Haar DWT and hides its ...proposed method provides all ...

7

A LL Chaotic Approach to Non-Blind Image Watermarking

A LL Chaotic Approach to Non-Blind Image Watermarking

... transform domain for various image ...different frequency bands viz. high frequency, middle frequency and low frequency, making it much easier to embed watermarking information in the ...

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Fourier domain closed-form formulas for estimation of kinetic parameters in reversible multi-compartment models

Fourier domain closed-form formulas for estimation of kinetic parameters in reversible multi-compartment models

... estimation method is proposed. The proposed Fourier-domain curve-fitting method does not require an initial condi- tion, it minimizes a quadratic objective function and a closed-form solution can be ...

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Color Image Contrast Enhancement Based on Spatial Transformation and Expert Fuzzy Technique

Color Image Contrast Enhancement Based on Spatial Transformation and Expert Fuzzy Technique

... of computation, cannot meet the real-time requirements. Therefore, the optimization algorithm, improve the efficiency and the quality of the actual tone is always the focus of the study. Based on this consideration, this ...

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Fast Fourier Transform Using Advanced Processor

Fast Fourier Transform Using Advanced Processor

... into frequency domain signal (complex form) IFFT operation converts the frequency domain signal into the time domain ...time domain signal is same as that of the OFDM ...time ...

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