Bajdar Nour

Last seen: environ 4 ans il y a | Actif depuis 2018

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How colud I solve this problem Undefined function 'fitPosterior' for input arguments of type 'classreg.learning.partition.ClassificationPartitionedModel'.
t1=cellstr(num2str(t)); md1SVM = fitcsvm(sFeat,t1,'Standardize',true,'Kfold',10,'KernelFunction','gaussian'); % md1SVM = cross...

plus de 4 ans il y a | 1 réponse | 0

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How solve this problem Error using svmtrain (line 336) Y must contain exactly two groups for method 'SMO'.
I have attached the files D is N by M matrix (input data), t (targets) ..Also, t contains two gropus (1 and 2) only

plus de 4 ans il y a | 1 réponse | 0

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How could I use Neighborhood Component Feature Selection (fscnca) option in matlab 2016a?
I want to use fscnca for feature selection but this function undefined in matlab 2016a. how could I get the main code for fscnca...

plus de 4 ans il y a | 1 réponse | 0

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Question

how can I convert many images from m x n x 3 to m x n by rgb2gray?
I want to convert 50 .jped images in a folder alltogether

plus de 4 ans il y a | 2 réponses | 1

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How could I solve the problem of if statement for even and odd values?
Whenever I inter any values of N and Z (even-even,odd-even,even-odd,odd-dd) I got only the last result in the condition here i...

plus de 4 ans il y a | 1 réponse | 0

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How could I solve the Undefined function or variable 'detectImportOptions'. in MATLAB 2016a?
Dear Ameer I want to run this fileexchange files https://ch.mathworks.com/matlabcentral/fileexchange/74676-fitviruscv19v3-covid...

plus de 4 ans il y a | 0

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How could I solve the Undefined function or variable 'detectImportOptions'. in MATLAB 2016a?
I use matlab 2016a , I know that the command (detectImportOptions) does not defined in 2016a. Is there any other command exist t...

plus de 4 ans il y a | 2 réponses | 0

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Question

what is mean by window size in GLCM ?how to adjuste it in graycomatrix function?
I used glcm to extract the statistical features from the gray scale images. it gave me information 256*256 scale..But I'm confu...

presque 5 ans il y a | 1 réponse | 0

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why y axis of sub image after applying dwt2 function restricted from 250 to 50 instead 50 to 250
[cA,cH,cV,cD] = dwt2(X,wname)

environ 5 ans il y a | 1 réponse | 0

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If I transformed an image by Discrete Wavelet Transform? Which band/bands should I use to extract statistical features?
I want to extract statistical features from an image after applying DWT

environ 5 ans il y a | 1 réponse | 0

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Question

how make clear or decrease below image from contaminated pixels? I indicated some of them
I want to extracted blood vessels far from those contaminated pixels

environ 5 ans il y a | 1 réponse | 0

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Question

How to solve this error?
function COM = jcoMatrix(I1) %Declare the function % coMatrix : co-occurrence matrix d_i = 0; d_j = 1; ...

environ 5 ans il y a | 1 réponse | 0

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Question

How to make the vessels brighter in this segmented image
I want to increase the pixels intensity of segmented blood vessels for a image like this

environ 5 ans il y a | 1 réponse | 0

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Question

How could I extract last column in a matrix if I don't know the size of matrix?
I want to select only last coloumn..because in my program the size of matices is change every time..these are some example of my...

plus de 5 ans il y a | 1 réponse | 1

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Question

How create training_labels and testing_labels from my data?
My data is M=(150X42) and labels is Y=(150X1) when I run the code Reduced_training_data=1X30, and Reduced_testing_data=1X1...

presque 6 ans il y a | 1 réponse | 0

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Question

How classify my data after feature selection by Linear Discriminant Analysis (LDA)?
If I selecte features by LDA how could I classify them by using SVM or any other classification methods?

presque 6 ans il y a | 1 réponse | 0

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Question

how choose good features for feature extraction in LDA (Linear Discriminant analysis)?
after applying LDA on my data sets of (150X42),I got this new feature space(Y) .I want to choose good features to create trainin...

presque 6 ans il y a | 1 réponse | 0