Time-Frequency Analysis and Its Applications to Multimedia Signals
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Citation: EURASIP Journal on Advances in Signal Processing 2011 2010:739017
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Parametric Time-Frequency Analysis and Its Applications in Music Classification
Analysis of nonstationary signals, such as music signals, is a challenging task. The purpose of this study is to explore an efficient and powerful technique to analyze and classify music signals in higher freq...
Citation: EURASIP Journal on Advances in Signal Processing 2010 2010:380349 -
Video Frames Reconstruction Based on Time-Frequency Analysis and Hermite Projection Method
A method for temporal analysis and reconstruction of video sequences based on the time-frequency analysis and Hermite projection method is proposed. The S-method-based time-frequency distribution is used to ch...
Citation: EURASIP Journal on Advances in Signal Processing 2010 2010:970105 -
Time-Frequency-Based Speech Regions Characterization and Eigenvalue Decomposition Applied to Speech Watermarking
The eigenvalues decomposition based on the S-method is employed to extract the specific time-frequency characteristics of speech signals. This approach is used to create a flexible speech watermark, shaped acc...
Citation: EURASIP Journal on Advances in Signal Processing 2010 2010:572748 -
Validity-Guided Fuzzy Clustering Evaluation for Neural Network-Based Time-Frequency Reassignment
This paper describes the validity-guided fuzzy clustering evaluation for optimal training of localized neural networks (LNNs) used for reassigning time-frequency representations (TFRs). Our experiments show th...
Citation: EURASIP Journal on Advances in Signal Processing 2010 2010:636858 -
Time-Frequency and Time-Scale-Based Fragile Watermarking Methods for Image Authentication
Two fragile image watermarking methods are proposed for image authentication. The first method is based on time-frequency analysis and the second one is based on time-scale analysis. For the first method, the ...
Citation: EURASIP Journal on Advances in Signal Processing 2010 2010:408109 -
A Genetic Algorithm Optimization Technique for Multiwavelet-Based Digital Audio Watermarking
We propose a new approach for optimization in digital audio watermarking using genetic algorithm. The watermarks are embedded into the low frequency coefficients in discrete multiwavelet transform domain. The ...
Citation: EURASIP Journal on Advances in Signal Processing 2010 2010:471842 -
Time-Frequency Analysis and Its Application in Digital Watermarking
A review of time-frequency analysis and some aspects of its applications in digital watermarking are presented. The main advantages and drawbacks of various time-frequency distributions are first discussed. Th...
Citation: EURASIP Journal on Advances in Signal Processing 2010 2010:579295 -
Audio Signal Processing Using Time-Frequency Approaches: Coding, Classification, Fingerprinting, and Watermarking
Audio signals are information rich nonstationary signals that play an important role in our day-to-day communication, perception of environment, and entertainment. Due to its non-stationary nature, time- or fr...
Citation: EURASIP Journal on Advances in Signal Processing 2010 2010:451695 -
Fuzzy Morphological Polynomial Image Representation
A novel signal representation using fuzzy mathematical morphology is developed. We take advantage of the optimum fuzzy fitting and the efficient implementation of morphological operators to extract geometric i...
Citation: EURASIP Journal on Advances in Signal Processing 2010 2010:914921 -
A Robust Image Watermarking in the Joint Time-Frequency Domain
With the rapid development of computers and internet applications, copyright protection of multimedia data has become an important problem. Watermarking techniques are proposed as a solution to copyright prote...
Citation: EURASIP Journal on Advances in Signal Processing 2010 2010:509757