Sara Salimi
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Feeds
Question
How to add break point for training an ensemble classifier?
Hi, I am running RUSBoost esemble classifier on a cluster which has time limitation for 7 days, and it will stop training in...
meer dan 5 jaar ago | 0 answers | 0
0
answersQuestion
Yi Cao's Pareto-front toolbox has been removed from from File Exchange, Can I find this toolbox here?
Hi, I am using a costum matlab toolbox that requires Yi Cao's Pareto-front toolbox to be able to run this toolbox. Yi Cao'...
meer dan 5 jaar ago | 1 answer | 0
1
answerQuestion
How to speed up sequential forward features selection?
Hi experts, I have data with 1M records with 145 features. This is the data extracted from two 3D images (volumes). I am runni...
meer dan 5 jaar ago | 0 answers | 0
0
answersQuestion
How to do cross-validation partitioning and training on Big data? (I am facing issue with my big data using tall arrays)
Hi, I am not an expert in matlab big data handling. I am strugling for few days because I have to do features selection and ...
meer dan 5 jaar ago | 0 answers | 0
0
answersQuestion
Is it possible to extract features from a specific regions without cropping the image volume?
Hi everyone, I have 3d image volume and a 3D label volume witha size (384,384,160). Which is very time consuming to extract 13...
meer dan 5 jaar ago | 1 answer | 0
1
answerQuestion
Does the type of classifier make that much difference in feature selection in sequentialfs function?
Hi, I am wondering if does it make significant difference in feature selcetion if we are using difference classifiers during f...
bijna 6 jaar ago | 1 answer | 0
1
answerQuestion
Is there anyway to run the fitensemble classifiers in parallel pool or use GPU for making the training faster?
Hi, I have a large number of observations and trying to train it with fitensemble classifier. I am asking this question to ...
bijna 6 jaar ago | 0 answers | 0
0
answersQuestion
How to do the cross validation for the patients data, and what data structure better suits to send it to classifier?
Hi, I have 44 patients 3D MRIs as training. The task that I am doing is segmentation by using voxel classification. I have e...
bijna 6 jaar ago | 0 answers | 0
0
answersQuestion
How to create the label ground truth when some areas are overlapping?
Hi, I have 3D images and the coordinates of the labels of objects. I am creating the ground truth volums for each label separa...
bijna 6 jaar ago | 1 answer | 0
1
answerQuestion
How to calculate random shift intensity difference (RSID) feature?
Hi, I have 3D patients volumes saved in a matlab variable. I need to extract random shift intensity difference (RSID) feature...
bijna 6 jaar ago | 1 answer | 0
1
answerQuestion
Is there any shared codes for 3D visualization of my data?
Hi, I like 3D visualization in one paper, which was like this: <</matlabcentral/answers/uploaded_files/138423/Screen%20Sh...
ongeveer 6 jaar ago | 0 answers | 0
0
answersQuestion
Is there any shared codes for 3D visualization of my data?
Hi, I like 3D visualization in one paper, which was like this: <</matlabcentral/answers/uploaded_files/138423/Screen%20Sh...
ongeveer 6 jaar ago | 0 answers | 0
0
answersQuestion
How can I get different 2D views of a 3d medical images which has been saved in 3D matrix?
Hi I have saved a stack of MRI in a 3D matrix (320x320x60). I can see 2d view (saggital) of (xy view) by this command, ...
bijna 7 jaar ago | 2 answers | 0
2
answersQuestion
What kind of meta information should we include while converting from dcm into nii format?
Hi, I have two sets of MRI images one set in DICOM format and the other set includes two files (*.mhd and *.raw) files for e...
bijna 7 jaar ago | 0 answers | 0
0
answersQuestion
How to assign different colors to different labels?
Hi, I saw in one paper that they are showing their segmentation results of different objects with different colors and overl...
bijna 7 jaar ago | 1 answer | 0
1
answerQuestion
Is there any way to save Matlab .fig in other format to show 3D visualization?
Hi, I have save a 3D model in a fig file. Now I want to share the fig to someone else who does not have Matlab. Is there any...
ongeveer 7 jaar ago | 1 answer | 0
1
answerQuestion
How to overlay two images which is transparent on each other?
Hi, I have two images, one is ground truth with values of objects [0,1,2] for background, obj2 and obj3, respectively. I ha...
ongeveer 7 jaar ago | 1 answer | 0
1
answerQuestion
Why array exceeds maximum array size preference with Graph-Cut energy minimization techniques?
Hi I am using a <https://www.cs.ubc.ca/~schmidtm/Software/alphaBeta.html toolbox> for alpha-beta expansion technique for ene...
ongeveer 7 jaar ago | 0 answers | 0
0
answersQuestion
How to do 3D visualization of a multi-object volume, each object with different colors?
I have already visualize a volume, that only have one object, by the following commands: v = smooth3(vv,'box',3); % vv:vol...
meer dan 7 jaar ago | 0 answers | 0
0
answersQuestion
What data storing techniques should I use to save my big data inside and send it to RUSBoost classifier?
Hi, I have a big data and want to classify with *RUSBoost classifier*, I already applied tall arrays with naive Bayes classifi...
meer dan 7 jaar ago | 0 answers | 0
0
answersQuestion
How to send a big data (loaded into datastore object) to a classifier in Matlab?
this is my first experince working with data storages in `Matlab`. I hoping I can get some guidance here. I have a big data th...
meer dan 7 jaar ago | 1 answer | 0
1
answerQuestion
How can i do leave-one-out for classification?
Hi I have 110 stack of images (110 different patients), and I have extracted each patients features which is a matrix (2,4...
meer dan 7 jaar ago | 1 answer | 0
1
answerQuestion
How to calculate Lagrangian multiplier mu based on different noise levels in Matlab?
Hi, I have MRI images and want to do noise removal by *Total Variation Regularization* for denoising. My question is how can I...
meer dan 7 jaar ago | 0 answers | 0
0
answersQuestion
How to find out which arguments and values should be given to CLAHE arguments?
Hi, I am doing some processing on a stack of MRI data. I want to apply CLAHE on my medical images. I did not know *which arg...
meer dan 7 jaar ago | 0 answers | 0
0
answersQuestion
What Kind of pre-processing techniques can I apply to make an object more clear?
Hi, I applied few techniques of denoising on MRI images and could not realize what techniques are applicable on my data to m...
meer dan 7 jaar ago | 1 answer | 0
1
answerQuestion
How to specify values to Orthogonal Matching Pursuit Algorithm (OMP)?
Hi, I downloaded <https://www.mathworks.com/matlabcentral/fileexchange/50584-orthogonal-matching-pursuit-algorithm--omp- this fu...
meer dan 7 jaar ago | 0 answers | 0
0
answersQuestion
How to create a circle mask for a set of images in a folder?
I have a set of images with the size 256x256. and I want to automatically create a circle mask for the middle part of images. Co...
meer dan 7 jaar ago | 1 answer | 0
1
answerQuestion
What kind of preprocessing I can apply for medical MRIs?
Hi, I know my question may sound confusing, but I am facing with lack of the time. I have MRI images of many patients tha...
meer dan 7 jaar ago | 1 answer | 0
1
answerQuestion
I receive an error about closing a MAT file. Why?
Hi I am using Matlab 2016b. I am using the following command: L=matfile(sprintf(lb_formatSpec,ix),'writable',true); L....
bijna 8 jaar ago | 2 answers | 0
2
answersQuestion
How to convert medical images in mat format into jpg without losing information?
Hi, I have a stack of medical images. I saved all images in the stack into a folder (i.e., converting the 3D matrix into 2D ...
bijna 8 jaar ago | 2 answers | 0
2
answers
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