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Read / Output one pixel value from a 4D Matrix
Hi, I have a 4D matrix (128x128x2x96) lets call it 'A' and I want to test the pixel stability throughout all 96 reps. I need ...
대략 11년 전 | 답변 수: 1 | 0
1
답변질문
Normalization by an unaffected hemisphere of a brain to the affected hemisphere
Hi, I have few images of a brain (128x128x12) where I have affected one hemisphere of the brain by a certain method and I wan...
대략 12년 전 | 답변 수: 0 | 0
0
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Size of a kernel
Hi I have MR data acquired at 3.8x3.8x8.0 mm resolution. First I load it in to Matlab and then do some Gaussian filtering. ...
대략 12년 전 | 답변 수: 1 | 0
1
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Filtering to increase SNR
I have a bunch of images that have been generated after some calculations. The images were originally acquired from a 3T MRI. ...
대략 12년 전 | 답변 수: 1 | 0
1
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Medical Imaging Question- Mean inside a masked image
Hi, I Am trying to compute the mean values within the brain. I created a binary Mask of the brain. And I am computing my mea...
12년 초과 전 | 답변 수: 1 | 0
1
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Insert Degree Symbol in Axes Title
Hello Anyone know how to display the degree symbol ° in the title on a plot? Also want to know how to display it on the top of ...
12년 초과 전 | 답변 수: 4 | 3
4
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Calculate SNR pixel-by-pixel
I am trying to figure out the Signal to Noise Ratio (SNR) in an image matrix (64x64x16). (called Image_Matrix_3D in the code) ...
12년 초과 전 | 답변 수: 1 | 0
1
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Mean of a bunch of slices
% -----------------Step 3 -Masking the PCASL Files PCASL_Files_Masked= PCASL_Files.*Human_Mask; %apply the mask. P...
12년 초과 전 | 답변 수: 2 | 0
2
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Efficient way of preallocating memory
Hello, Just wondering is there a better way to preallocate memory for a bunch of 4D arrays. Because so far the way I am doin...
12년 초과 전 | 답변 수: 2 | 0
2
답변질문
help with the montage function
Hello! I am having trouble with the montage function. I have a 3D matrix of 256 x 256 x 10. After reading this ( <http://w...
12년 초과 전 | 답변 수: 1 | 0
1
답변답변 있음
Creating a 3D array out of multiple 2D arrays
You can also do Mask_3D(:,:,1)=Mask_1 for index=1:10 eval(['Mask_3D(:,:,index)=Mask_' num2str(index)';']); en...
Creating a 3D array out of multiple 2D arrays
You can also do Mask_3D(:,:,1)=Mask_1 for index=1:10 eval(['Mask_3D(:,:,index)=Mask_' num2str(index)';']); en...
12년 초과 전 | 3
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Creating a 3D array out of multiple 2D arrays
I have 10 masks that are 256 x 256 each. These masks are for 10 respective slices, so I want to combine them and make a 3D arra...
12년 초과 전 | 답변 수: 3 | 1
3
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Deleting a a part of a dimension in a 4D array
Hi, I have a 4D array of MR images that are 64 x 64 x 128 x 16. side=64 # of images=128 # of slices in one image=16 I ...
12년 초과 전 | 답변 수: 2 | 0
2
답변답변 있음
Resizing a stamp size 64X64 dicom image to 256X256
Thank you Sean and Anton! Anton, that was very useful info! I used the wrong word "resolution'. I just need to re-size the image...
Resizing a stamp size 64X64 dicom image to 256X256
Thank you Sean and Anton! Anton, that was very useful info! I used the wrong word "resolution'. I just need to re-size the image...
12년 초과 전 | 0
질문
Resizing a stamp size 64X64 dicom image to 256X256
Does anyone have any ideas on the best way to resize a 64X64 dicom to a 256X256 dicom. I need to do ROI analysis, hence I need a...
12년 초과 전 | 답변 수: 2 | 0
2
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Seperating a montage/mosaic of DICOM images in to individual slices
HI, I have a 3D matrix of 256 X 256 X 128 (means 128 images of 256 X 256 resolution). Within one of these images there are 10...
12년 초과 전 | 답변 수: 0 | 0