How to identify the baseline
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Ibrahim Suleiman
on 31 Mar 2021
Commented: Star Strider
on 23 Apr 2021
I have force-time graph and I want to identify the baseline. How can I do this? Is there a function to find the baseline?
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/568999/image.jpeg)
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Accepted Answer
Star Strider
on 31 Mar 2021
Since the baseline appears to be the minimum value, the min function may do what you want. There are similar functions that can extend that approach if you need to use them.
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Image Analyst
on 31 Mar 2021
Maybe mask the signal to find values below a threshold and then take the mean
threshold = 10; % Or whatever.
baselineIndexes = abs(signal) < threshold;
baseLineValue = mean(signal(baselineIndexes));
yline(baseLineValue, 'Color', 'r', 'LineWidth', 2);
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