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Anon


Last seen: 4 years ago |  Active since 2020

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How can I draw on two ROI to create a mask on the same image?
roi = images.roi.AssistedFreehand draw(roi) roi2 = images.roi.AssistedFreehand draw(roi2) mask = createMask(roi); mask2 = c...

5 years ago | 1 answer | 0

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answer

Question


How to replace small section of image with other values within the image?
Hi, I have a small artifact within my tissue image that I would like to replace with values from the surrounding tissue. Howeve...

5 years ago | 1 answer | 0

1

answer

Question


How to replace pixel values using a loop in a image?
grayImage = imageData; I = grayImage; Rv = [54:154; 67:167; 41:141; 80:180]; % Row Start Matrix ...

5 years ago | 0 answers | 0

0

answers

Question


How to combine 3 for loops into one?
I have the following code, which I would like to create a loop for but I have 3 variables that I would like to change. I have m...

5 years ago | 1 answer | 0

1

answer

Question


How to replace a range of pixel values with another range of pixel values within my image?
Hi everyone, I have a range of pixel values of my image, which I would like to replace with another range of pixel values from...

5 years ago | 1 answer | 0

1

answer

Question


How to replace a pixel value of my image with another value?
Hi everyone, I have a pixel value of my image, which I would like to replace with another pixel value from the same image. The...

5 years ago | 1 answer | 0

1

answer

Question


How to replace intensity of pixels in a specific region with a value from another region within the same image?
Hi, The following code below is used to open up all 100 images but display one of them. For the image, the code asks the user t...

5 years ago | 0 answers | 0

0

answers

Question


How to load and process multiple images
Hi everyone, I came across the matlab wiki and found this code for loading up multiple images to process them, which I have sli...

5 years ago | 1 answer | 0

1

answer

Question


How to change pixels to a different colour with a greyscale image?
Hi everyone, I want to change all the pixels with the intensity less than 8000 to the colour red. However, I am struggling with...

5 years ago | 1 answer | 0

1

answer

Question


How to separate ECG signal into time sections?
Hi, I want to write a function that allows me to detect local maxima in a ECG signal. I want to separate the ECG signal into ...

5 years ago | 1 answer | 0

1

answer

Question


How can I plot each local maxima of my ECG data
So far I have this code, to detect the local maxima of my ECG signal by separting the ECG signal into sections of time and findi...

5 years ago | 1 answer | 0

1

answer

Question


How to find average heart beat using fast Fourier transform function
Hi, I am trying to use the fft function to compute the power spectrum of an ECG. ecg=load ('ecg.csv'); A=fft(ecg); L=lengt...

5 years ago | 1 answer | 0

1

answer

Question


How to work out BPM from ECG data
Hi, I have managed to find the beatsperminute of my data using the findpeaks function, however I want to confirm this using the...

5 years ago | 2 answers | 0

2

answers