Heartbeat Classifier - Auto mode

[Preethi Krishnan]

I am using Matlab 2018 version and I am unable to run the first example using auto - heartbeat classifier. Error given below :

+ Recording:  (AHA)

+ Mode: auto (12 clusters, 1 iterations, 75% cluster-presence)Error using waitbar (line 100)

The second argument must be a message character vector or a handle to an existing waitbar.

Error in progress_bar/set.Message (line 368)

                    waitbar( obj.counter - fix(obj.counter), obj.wb_handle, obj.Message );

Error in progress_bar/checkpoint (line 199)

                obj.Message = Message;

Error in ECGwrapper/Run (line 731)

                                    pb.checkpoint('Saving results');

Error in first_simple_example (line 123)

    ECGw.Run

Did anyone else get this error? 

I debugged the code and found that  Matlab has introduced new GUI app to design push button interface. So is the error due to Matlab version incompatibility? Can I disable the GUI feature and run the classifier only from command line? Any help will be appreciated.

Thank you,

Preethi

[Mariano Llamedo Soria]

Thanks for reporting that Preethi. Probably you are right and the most convenient thing is to comment all the waitbar calls done via "waitbar" and "pb" which stands for progress-bar. Unfortunately, I am planning migrating ecg-kit to Python, and the Matlab version will be left as is in the current state.

Best,

Mariano.

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[Preethi Krishnan]

Thank you for the quick response. With which Matlab version was the original heartbeat classifier Matlab code was written? I can figure out  the GUI changes if know the original version.

On Tuesday, June 18, 2019 at 11:27:33 AM UTC-5, marianux wrote:

Thanks for reporting that Preethi. Probably you are right and the most convenient thing is to comment all the waitbar calls done via "waitbar" and "pb" which stands for progress-bar. Unfortunately, I am planning migrating ecg-kit to Python, and the Matlab version will be left as is in the current state.

Best,

Mariano.

El mar., 18 de jun. de 2019 a la(s) 13:16, Preethi Krishnan (preethik...@gmail.com) escribió:

I am using Matlab 2018 version and I am unable to run the first example using auto - heartbeat classifier. Error given below :

+ Recording:  (AHA)

+ Mode: auto (12 clusters, 1 iterations, 75% cluster-presence)Error using waitbar (line 100)

The second argument must be a message character vector or a handle to an existing waitbar.

Error in progress_bar/set.Message (line 368)

                    waitbar( obj.counter - fix(obj.counter), obj.wb_handle, obj.Message );

Error in progress_bar/checkpoint (line 199)

                obj.Message = Message;

Error in ECGwrapper/Run (line 731)

                                    pb.checkpoint('Saving results');

Error in first_simple_example (line 123)

    ECGw.Run

Did anyone else get this error? 

I debugged the code and found that  Matlab has introduced new GUI app to design push button interface. So is the error due to Matlab version incompatibility? Can I disable the GUI feature and run the classifier only from command line? Any help will be appreciated.

Thank you,

Preethi

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[Mariano Llamedo Soria]

Hi Preethi, I check the code and saw that the problem you found, was because a descriptor already deleted. Do a pull from the repo, now this should work.

Best,

M.

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[Preethi Krishnan]

I downloaded the code from github. I get the following error. Any help will be appreciated, thanks

Warning: File 'C:\Users\preet\AppData\Local\Temp\example_recording_1_10000.qrs' not found. 

> In ECGtask_QRS_detection/Process (line 436)

  In ECGwrapper/Run (line 724)

  In examples (line 146) 

Error using movefile

The system cannot find the path specified.

Error in ECGwrapper/Run (line 773)

                                    movefile( payload_files{jj}, obj.output_path, 'f' );

Error in examples (line 146)

            ECG_w.Run;

Error using uiimport (line 72)

Cannot open the Import Wizard on a file while the Import Wizard is open.

[Mariano Llamedo Soria]

Hi Preethi, I can not understand what are you trying to do. Please send an step by step commands that you are using. I dont know why are you using the import wizard.

Best,

M.

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[Preethi Krishnan]

Thanks for the support. I did a fresh install of ecgkit and I can get the heart beat classifier to work successfully in auto mode. I dont know what was wrong before, I am unable to figure it out. 

I do have a quick question.  How can I generate results for MIT ecg file. I pasted an example below from your ecgkit website. Do I enable report generation ? If yes, please scroll down for the error I get when I turn on report generation.

• Recording: ... \example recordings\208.dat (MIT)

• Mode: auto (12 clusters, 1 iterations, 75% cluster-presence)

• True | Estimated Labels Labels | Normal Suprav Ventri Unknow| Totals -----------------|----------------------------|------- Normal | 1567 6 13 0 | 1586 Supraventricular| 2 0 0 0 | 2 Ventricular | 255 8 1102 0 | 1365 Unknown | 2 0 0 0 | 2 -----------------|----------------------------|------- Totals | 1826 14 1115 0 | 2955

Balanced Results for

| Normal || Supravent || Ventricul || TOTALS | | Se +P || Se +P || Se +P || Acc | Se | +P | | 99% 45% || 0% 0% || 81% 99% || 60% | 60% | 48% |

Unbalanced Results for

| Normal || Supravent || Ventricul || TOTALS | | Se +P || Se +P || Se +P || Acc | Se | +P | | 99% 86% || 0% 0% || 81% 99% || 90% | 60% | 62% | ```

Error in my 119 MIT ecg file during report generation

Results saved in

 + C:\Users\preet\ecg-kit\recordings\119_my_experiment_name_ECG_heartbeat_classifier.mat

Error using matlab.graphics.primitive.Text/vertcat

Conversion to matlab.graphics.primitive.Text from cell is not possible.

Error in plot_ecg_strip/PaperModeOn (line 2777)

                                paperModeHdl; ...

Error in plot_ecg_strip (line 1253)

    PaperModeOn()

Error in reportECG (line 162)

        eval(eval_str);

Error in first_simple_example (line 125)

  reportECG(ECGw, 'LowDetail', 'full')