Anon

Last seen: plus de 4 ans il y a | Actif depuis 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...

presque 5 ans il y a | 1 réponse | 0

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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...

presque 5 ans il y a | 1 réponse | 0

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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 ...

presque 5 ans il y a | 1 réponse | 0

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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...

presque 5 ans il y a | 1 réponse | 0

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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...

presque 5 ans il y a | 1 réponse | 0

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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...

presque 5 ans il y a | 1 réponse | 0

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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...

presque 5 ans il y a | 1 réponse | 0

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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...

presque 5 ans il y a | 1 réponse | 0

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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...

presque 5 ans il y a | 1 réponse | 0

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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 ...

presque 5 ans il y a | 1 réponse | 0

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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...

presque 5 ans il y a | 1 réponse | 0

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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...

presque 5 ans il y a | 1 réponse | 0

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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...

presque 5 ans il y a | 2 réponses | 0

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