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Ioana Cretu


Last seen: etwa 2 Jahre vor |  Aktiv seit 2021

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How to implement weighted classification for 1D CNN?
I developed a 1D CNN for arrhythmia classification. I first segmented the long ECG signals from the MIT arrhythmia database in s...

fast 3 Jahre vor | 0 Antworten | 0

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Invalid training data. X and Y must have the same number of observations.
I have long ECG signals segmented into 300 points segments/heartbeats. I want to use CNN for feature extraction with a bidirecti...

fast 3 Jahre vor | 2 Antworten | 1

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Why do I have the same validation accuracy for every epoch?
I developed a CNN for ECG arrhythmia classification and when I train the model I obtain the same validation accuracy for all of ...

fast 3 Jahre vor | 1 Antwort | 0

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Working with the MIT arrhythmia database annotations: how can I convert the characters into numbers?
I work with MIT arrhythmia database and I want to group the annotations given for each beat in 5 classes, such as: N={'N','L','...

etwa 3 Jahre vor | 1 Antwort | 0

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Missing points before and after the R peaks
I have a signal which I want to segment in heartbeats. I have the location of the R peaks and want to create a sliding window wh...

etwa 3 Jahre vor | 1 Antwort | 0

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Signal segmentation error: how to select a specific number of points before and after the ECG signal?
I want to segment an ECG signal in heartbeats by taking a number of sample points before and after each R-peak. I did the follow...

etwa 3 Jahre vor | 2 Antworten | 0

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How to load all the MIT arrhythmia database signals and their annotations in MATLAB?
I downloaded the MIT arrhythmia database in MATLAB, as well as the WFDB toolbox. How can I load all the signals and annotations ...

etwa 3 Jahre vor | 0 Antworten | 0

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