2017
DOI: 10.1007/s10916-017-0871-8
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Performance Evaluation of Time-Frequency Distributions for ECG Signal Analysis

Abstract: The non-stationary and multi-frequency nature of biomedical signal activities makes the use of time-frequency distributions (TFDs) for analysis inevitable. Time-frequency analysis provides simultaneous interpretations in both time and frequency domain enabling comprehensive explanation, presentation and interpretation of electrocardiogram (ECG) signals. The diversity of TFDs and specific properties for each type show the need to determine the best TFD for ECG analysis. In this study, a performance evaluation o… Show more

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Cited by 23 publications
(17 citation statements)
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“…Many types of Cohen's class-based distributions are employed to analyse the biosignal. As for ECG analysis, the Choi-Williams distribution delivers reliable and highly accurate results with the capacity to find the middle ground between unwanted cross-terms and the intensity of the Time-Frequency Distribution (TFD) [35].…”
Section: Choi-williams Time-frequency Distribution (Cwd)mentioning
confidence: 99%
“…Many types of Cohen's class-based distributions are employed to analyse the biosignal. As for ECG analysis, the Choi-Williams distribution delivers reliable and highly accurate results with the capacity to find the middle ground between unwanted cross-terms and the intensity of the Time-Frequency Distribution (TFD) [35].…”
Section: Choi-williams Time-frequency Distribution (Cwd)mentioning
confidence: 99%
“…A common method to perform spatial frequency analysis is the wavelet transform. Equation 1 [31] presents the 1D continuous wavelet transform (CWT).…”
Section: Discrete Wavelet Transformmentioning
confidence: 99%
“…Various studies adopt TFDs to improve the performance of conventional signal processing methods in different areas such as biomedicine [18], [19], radar [20], [21] and telecommunication [22], [23]. Currently, the TFD performance is optimized and evaluated using TF measures such as ratio of norms [24], energy concentration [25], entropy [26], and application-specific criterion [27]. Energy concentration is used in [28] to optimize the Spectrogram based on the short-time fractional Fourier transform.…”
Section: Introductionmentioning
confidence: 99%