Your privacy, your choice

We use essential cookies to make sure the site can function. We also use optional cookies for advertising, personalisation of content, usage analysis, and social media.

By accepting optional cookies, you consent to the processing of your personal data - including transfers to third parties. Some third parties are outside of the European Economic Area, with varying standards of data protection.

See our privacy policy for more information on the use of your personal data.

for further information and to change your choices.
Skip to main content

Table 4 The results of time–frequency domain features based on STFT

From: An improved electrocardiogram arrhythmia classification performance with feature optimization

Time–frequency domain features

Description

stft_max_amps

maximum amplitude of an ECG signal

stft_min_amps

minimum amplitude of an ECG signal

stft_freq_idx_of_max_amps

the frequency of maximum amplitude wave in the ECG signal in \(i\)-th index

stft_freq_idx_of_min_amps

the frequency of minimum amplitude wave in the ECG signal in \(i\)-th index

stft_time_idx_of_max_amps

the time of maximum amplitude wave in the ECG signal in in \(i\)-th index

stft_time_idx_of_min_amps

the time of minimum amplitude wave in the ECG signal in \(i\)-th index

stft_freq_val_of_max_amps

the frequency of maximum amplitude wave in the ECG signal

stft_freq_val_of_min_amps

the frequency of minimum amplitude wave in the ECG signal

stft_time_val_of_max_amps

the time of maximum amplitude wave in the ECG signal

stft_time_val_of_min_amps

the time of minimum amplitude wave in the ECG signal

Back to article page

BMC Medical Informatics and Decision Making

ISSN: 1472-6947

Contact us