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Neha Sinha


Last seen: 2 years ago |  Active since 2022

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How to resolve the error "Conversion to cell from double is not possible"
% Load the ECG data load('ecg_values.mat'); % Define the filter window size window_size = 1000; filter_order = 2; low_cut...

2 years ago | 1 answer | 0

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Question


How to plot 5000 ecg signals from the Physionet 2017 ECG datset
I have written the following code to plot 5000 ecg signals from the attached file wherein each row depicts an ecg. Link : http...

2 years ago | 1 answer | 0

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Question


Resampling ECG signal from Physionet 2017 datset
I am trying to resample the ECG Signal from the file in the link. It is an array of dimension 5969x18000 wherein each ECG wavefo...

2 years ago | 0 answers | 0

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Question


Getting error : Unrecognized field name "array".
Getting the below error. How to resolve it.

2 years ago | 1 answer | 0

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How to preprocess the ECG datset so that the QRS detection algorithms are more efficient
I have the ECG dataset from Physionet 2017 (https://physionet.org/content/challenge-2017/1.0.0/REFERENCE-v3.csv) ecg.array(1, :...

2 years ago | 1 answer | 0

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Question


I need to resample the ECG signal at a lower frequency in order to apply some QRS detection algorithms
I am not sure how to do it. Could someone help. It's part of my project and currently I am not getting good results from QRS Det...

2 years ago | 1 answer | 0

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Question


I need to apply the below filter code to the ECG as contained in the file
% DEFINE FILTER PARAMETERS Fs = 2E+6; Fn = Fs/2; Fc1 = 630; Fc2 = 640; Fs1 = Fc1*0.8; Fs2 = Fc2/0.8; Rp = 1; Rs...

2 years ago | 1 answer | 0

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Implementing a butterworth filter for ECG
I need Two filters of 10th order bandpass Butterworth filters with cut-off frequencies of 5Hz and 45Hz (narrow band) and 1Hz to ...

2 years ago | 2 answers | 0

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Question


Need to implement a bandpass filter on the ECG signal using matlab
ecg = load('test.mat'); ecg_i = ecg.array(1,:); Link for test.mat : https://drive.google.com/file/d/1GWgfnTjn1ZhW2kII6Lk4QFt...

2 years ago | 1 answer | 0

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Question


I want to plot ecg from the .mat file I have obtained after doing some preprocessing
The code is as below: clc; clear all; close all; ecg=load('train.mat'); f_s=300; N=length(ecg) t=[0:N-1]/f_s % time peri...

2 years ago | 1 answer | 0

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How do I rectify the error corresponding to the Dimensions of arrays being concatenated no being consistent
ecg_struct = load('test.mat'); fn = fieldnames(ecg_struct); if length(fn) ~= 1 fprintf(2, 'Warning: file contains %d diff...

2 years ago | 1 answer | 0

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I am getting the error "Dimensions of arrays being concatenated are not consistent" as mentioned in code in ECG_l calculation
ecg_struct = load('test.mat'); fn = fieldnames(ecg_struct); if length(fn) ~= 1 fprintf(2, 'Warning: file contains %d diff...

2 years ago | 1 answer | 0

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Question


I am receiving the error "Error using filter. Invalid data type. Input arrays must be numeric or logical." in the code
ecg = load('matlab_matrix.mat') Fs = 200; B_lp_1 = [1 zeros(1,5) -2 zeros(1,5) 1]/32; A_lp_1 = [1 -2 1]; ecg_lp = filter(B...

2 years ago | 1 answer | 0

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