Question

How to convert a stack of medical images in the work space into .png without losing information?
Hi, I have a stack of medical images that I need to convert them into png or any other image format. It is, for example, 281...

presque 8 ans il y a | 1 réponse | 0

Question

How to know how many channels my image saved in .mat file has?
Hi, I have a stack of medical images saved in mat files. My question is how can I know how many channels it has, or it is gra...

presque 8 ans il y a | 1 réponse | 0

Question

What kind of post-processing (connected component, morphological operator, etc.) can be applied to obtain the most similar segmentation to ground truth?
Hi, I have applied my algorithm and the output of segmentation is the left image as follows: <</matlabcentral/answers/upl...

environ 8 ans il y a | 1 réponse | 0

Question

I have 2 class label, but classifier model predicts 3 class?
My code is in Matlab. I have a binary classifier model with the labels (0 and .5), as it has been shown with black box in the fi...

environ 8 ans il y a | 1 réponse | 0

Question

Classification-driven region-growing for voxel classification.
I am not professional in Matlab Programming.I face a problem in re-implementing an algorithm. <</matlabcentral/answers/uploa...

environ 8 ans il y a | 1 réponse | 0

Question

How can I find 26 neighbors of point with coordinates of (i,j,k)?
I have a stack of images in a 3D matrix. How can I find 26 neighbors of a specific voxel with coordinates of (i,j,k) in Matla...

environ 8 ans il y a | 3 réponses | 0

Question

How to retrieve specific rows that the coordinates x,y have been saved in another matrix?
Hi, I have a data matrix *Data(8765x138)* that first and second columns are x and y coordinates. I have sampled some specific...

environ 8 ans il y a | 1 réponse | 0

Question

How to take pixels from an input image by using Gaussian sub-sampling (shotgun pattern like)?
I want to take the locations of pixels that are to be taken like in a shotgun pattern concentrated in the middle of the image. B...

environ 8 ans il y a | 1 réponse | 0

Question

Take pixels from input image
How to take pixels from an input image by using Gaussian sampling?

environ 8 ans il y a | 1 réponse | 0

Question

Imagesc() shows blank image?!
Hello, I have a vector that I am using reshape() to create images matrices and show it using imagesc() function every one sec...

environ 8 ans il y a | 1 réponse | 0

Question

What is the z axis in 3D images (MRI) in dicom files ?
Hi all, I have a question, I have sequences of Dicom images What is the z-axis in each slice of Dicom images? I really do ...

plus de 8 ans il y a | 1 réponse | 0

Question

Which techniques can be applied instead of histogram binning?
Hi I read a paper using *latent dirichlet allocation (LDA)*, which author has created the intensity intervals for images to cr...

plus de 8 ans il y a | 1 réponse | 0

Question

How can I mark voxels inside of an ROI with a class label?
Hi, I have medical knee MRIs with dicom format. I am going to apply a machine learning algorithm to classify voxels; however, ...

presque 9 ans il y a | 1 réponse | 0

Question

Can we extract ROI of MRI images automatically?
Hi every one, I have a set of dicom files and I am trying to extract ROI of approximate region of knee cartilage automatically?...

presque 9 ans il y a | 2 réponses | 0

Question

How can I obtain voxel coordinates and corresponding intensity value of all voxels in a MRI image?
Hi I have medical MRI images. I wish to obtain all voxel coordinates as 3 columns with the 4th column giving the corresponding i...

presque 9 ans il y a | 1 réponse | 0

Question

What kind of features can be extracted from knee MRI?
Hi all, Do you know what features can be extracted from knee MRI for cartilage detection? I want to extract some features to c...

environ 9 ans il y a | 2 réponses | 0

Question

size error for my own image in "Automatically Detect and Recognize Text in Natural Images" code
Hi i tried the following example for Automatically Detect and Recognize Text in Natural Images http://www.mathworks.com/help/vi...

plus de 9 ans il y a | 2 réponses | 1