I need a cod for segmentation ecg signal automatically depending on different times , the format of the time is like this (hh:mm:ss)

reading the different times from txt file , the times like this

start_time end _time

15:35:56 15:36:06

15:36:43 15:36:53

15:37:14 15:37:24

15:37:41 15:37:52

15:38:12 15:38:22

15:38:37 15:38:48

15:39:03 15:39:14

......etc

-------------------------------

I will attach the txt file time, so I want to segment the ecg signal according to the time as mentioned above note we want to exclude the recoding time that the ecg signal that recorded in it , for example the recording time for the signal is started from the following time (115:35:13).

We must exclude the recording time (15-35-13) for the ecg signal,and start to segment it from this time 15:35:56 15:36:06 , 15:36:43 15:36:53 , and so on

Fs=1000 Hz

I have attached two files:

1- data_signal.mat

2- time.txt

--------------------------------------------------

% segmentation the signal

clc

clear

close all

EKG = load('data_signal.mat');

ECG_Data = EKG.DATA;

fs=1000;

% Here I need anyone to help me to segment the signal according to the time that found in time.txt file

offset=15:35:13 % start time for recording ecg

for i=1:39

% we must exclude the recoding time(offset) ,and start from the time that found in te time.txt file

ecgsig{i}=DATA(code : code ) %need code for segmentation data_signal

end