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blues


Last seen: 2 years ago |  Active since 2018

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What is wrong in the code below?
I was trying to load DICOM images and write them as a single 3D array using the code below. But when I visualize it I see a band...

2 years ago | 1 answer | 0

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answer

Question


How to remove ticks from the secondary axis in the example below?
Hello - Can you help me remove the secondary axis ticks (both in x and y secondary axis) from the code below? Figure attached sh...

2 years ago | 1 answer | 0

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answer

Question


Am I writing an image volume correctly from the Dicom files in a directory?
Hello everyone, I want to make sure whether the below scripts are good to write a image 3D volume using the DICOM images located...

2 years ago | 1 answer | 0

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Question


Can we read dicom files without extension using the dicomread function?
I have 71 image slices and the idea is to make an image volume using these slices. I tried using the following: close all; clea...

2 years ago | 1 answer | 0

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answer

Question


How to loop all slice locations from a image volume as a single column vector?
Hello, I am reading DICOM images from a folder and want to read all image slice locations such that I can have all slice locatio...

2 years ago | 1 answer | 0

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Question


How can I convert my 3 columns data to a .raw image file so that I can read it as an image?
Dear users, I am working on some simulations and output of the simulations are in 3D matrix but the data values are stored in ...

3 years ago | 1 answer | 0

1

answer

Question


Help on zero padding and understanding of the following example?
To understand the concept and impact of zero padding on computation time, I have created an example below and run the program a...

3 years ago | 1 answer | 0

1

answer

Question


How to show the image slice from the below example?
Hello, I want to show the image slice from the below example, where CT and SPECT both are image array with the same width, size ...

3 years ago | 1 answer | 0

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Question


How to copy the Dicom private tags in another Dicom file using the dicomwrite function accurately?
Hi, I need to copy the Dicom info from one file to another. The Dicom file I have consists of many private tags and I want to co...

4 years ago | 0 answers | 0

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Question


how to modify the axis labels in the attached plot?
clc; close all; workspace coinci = load('Coinc_600_MBq.dat'); Y = coinci(:,1); % angle in radian (0 - 360) values X = coin...

4 years ago | 2 answers | 0

2

answers

Question


Can we write an interfile file in Matlab?
I want to write an interfile file (nuclear medicine) from my workspace variables. I tried to find related examples but with no l...

4 years ago | 0 answers | 0

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answers

Question


How to save an average voxel values from multiple ROIs in a dicom slice?
I want to extract an average voxel values form each ROIs drawn on dicom slice. How can I do that? Using the following code I rea...

4 years ago | 1 answer | 0

1

answer

Question


How to reshape a single column matrix in the following example?
I have a CT dicom files (512*512*263), I wanted to play with the CT numbers (HU) in the following way: (a) multiply the voxels t...

5 years ago | 1 answer | 0

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Question


How to combine all CT files to make a single array/matrix?
%load and read CT images % Preallocate the 512-by-512-by-1-by-263 image array CT = zeros(512, 512, 263); for p = 1:263 C...

5 years ago | 1 answer | 1

1

answer

Question


How to re-bin the 2D data?
Hi everyone, I've 2D data, first column (X) is the time and second column (Y) is the corresponding data. It is easy to re-bin ...

5 years ago | 1 answer | 0

1

answer

Question


How to create a .mat file of the following example?
I have a data in the following format: (i, j, k, val) where i, j, k are variables and val is the corresponding data at i, j, k v...

5 years ago | 0 answers | 0

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Question


How to write a .mat file with saving same variable with different values without overwriting previous values?
Hi, I have 4 variables in the following format: (I, J, K) = Value. I would like to write a matfile such that I can have (0, 0...

5 years ago | 0 answers | 0

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Question


How to fuse SPECT and CT images having different matrix sizes?
I want to fuse the SPECT: 128*128*102 (slice thickness: 3.8954 mm) dimension matrix with CT: 512*512*263 (slice thickness: 3 mm...

5 years ago | 1 answer | 0

1

answer

Question


How to add .raw images?
I have four .raw 3D images (resolution 200*200*200). All of these images has same characteristics (same dims, same voxel spacing...

6 years ago | 1 answer | 0

1

answer

Question


How to fix the following: Index exceeds matrix dimensions issue?
% image 1: image = fopen('image1.raw', 'r'); a1 = fread(image,'float32'); p1 = reshape(a1,100,100,100); j = 0; X1 = 50; Y1 =...

6 years ago | 0 answers | 0

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Question


print an image with fixed height?
<</matlabcentral/answers/uploaded_files/139690/image2.bmp>> I have an image slice of brain, see attached. I would like to pri...

6 years ago | 0 answers | 0

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Answered
How to get the intensity values (data stored) that is stored in the voxels (3D image) at the certain distances from the origin of the sphere?
<</matlabcentral/answers/uploaded_files/130995/plot.jpg>> One more baby query: my avgpixelvals min and max values are 5*10^-1...

6 years ago | 0

Question


How to get the intensity values (data stored) that is stored in the voxels (3D image) at the certain distances from the origin of the sphere?
Hello, I have a 3D medical image with data values stored in its each voxel. I would like to pull out the data values of image at...

6 years ago | 2 answers | 0

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answers