Sara Salimi

Last seen: plus de 4 ans il y a | Actif depuis 2015

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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...

plus de 5 ans il y a | 1 réponse | 0

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Question

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'...

plus de 5 ans il y a | 1 réponse | 0

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Question

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...

plus de 5 ans il y a | 1 réponse | 0

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Question

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 ...

plus de 5 ans il y a | 1 réponse | 0

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Question

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...

plus de 5 ans il y a | 1 réponse | 0

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Question

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...

presque 6 ans il y a | 1 réponse | 0

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Question

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 ...

presque 6 ans il y a | 1 réponse | 0

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Question

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...

presque 6 ans il y a | 1 réponse | 0

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Question

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...

presque 6 ans il y a | 1 réponse | 0

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Question

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...

presque 6 ans il y a | 1 réponse | 0

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Question

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...

environ 6 ans il y a | 1 réponse | 0

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Question

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...

environ 6 ans il y a | 1 réponse | 0

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réponse

Question

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, ...

presque 7 ans il y a | 2 réponses | 0

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Question

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...

presque 7 ans il y a | 1 réponse | 0

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Question

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...

environ 7 ans il y a | 1 réponse | 0

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Question

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...

environ 7 ans il y a | 1 réponse | 0

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Question

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...

environ 7 ans il y a | 1 réponse | 0

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Question

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...

environ 7 ans il y a | 1 réponse | 0