Bajdar Nour

Last seen: 3 years ago | Active since 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...

4 years ago | 0 answers | 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

4 years ago | 0 answers | 0

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Question

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...

4 years ago | 0 answers | 0

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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

4 years ago | 2 answers | 1

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Question

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...

4 years ago | 1 answer | 0

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Answered
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...

4 years ago | 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...

4 years ago | 2 answers | 0

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answers

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...

4 years ago | 1 answer | 0

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Question

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)

4 years ago | 0 answers | 0

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Question

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

4 years ago | 0 answers | 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

4 years ago | 0 answers | 0

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

4 years ago | 1 answer | 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

4 years ago | 1 answer | 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...

5 years ago | 1 answer | 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...

5 years ago | 0 answers | 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?

5 years ago | 0 answers | 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...

5 years ago | 0 answers | 0

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Question

Is (± 4.21%) in false positive (FP) value (7.04 ± 4.21%), refers to false positive rate?or something else?
I have confused about an error value behind the value of FP

5 years ago | 0 answers | 0

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Question

Is it logic (possible) to get %100 in accuracy and classification rate?
I have trained my model with LDA (I have 3 different train datasets ).for each one classification rate and accuracy =%100 F...

5 years ago | 0 answers | 0

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Question

How to convert (2x3)[each element in 2x3 contains 1x19 double]cell array ?
2x3 cell Capture.jpg I want to convert to something like shown in 2nd jpg

5 years ago | 1 answer | 0

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Question

How to solve the error ['model' parameter must be a string ]?
I have this (.mat) file,,I want to use Y=sim([Brain],P); P any variable like P = [.2; .9]

5 years ago | 1 answer | 0

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Question

How can I use neutral network for both (trainig.dat and testing.dat)saved files?
I have two (.dat) files each one divided into 3 classes

5 years ago | 0 answers | 0

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How to solve this error (Error using pnn (line7) 'model' parameter must be a string )
I have training and testing dataset,I want to classify them by using PNN classifier load training1.dat load testing1.da...

5 years ago | 0 answers | 0

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Question

How solve this error (G must be the same length as X or the same length as the number of columns in X.)in box plot?
I have this code below function []=boxgraph_DR_total(i,Y,M1,M2,M3) X1='Homogeneity'; X2='Energy'; X3=...

5 years ago | 1 answer | 0

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Question

How collect three different .mat files in one .mat file?
I have three dataset of images each one with 30x10 double. I want to collect them in .mat file.

5 years ago | 1 answer | 0

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Question

How take Normalization for each column of 50x19 matrix?
I have the dataset like shown in the image below <</matlabcentral/answers/uploaded_files/133763/Capture1.JPG>>

5 years ago | 1 answer | 0

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Question

How plot a matrix for Naive Bayes classifier?
I want to illustrate the matrix as shown in the picture <</matlabcentral/answers/uploaded_files/133160/Capture.JPG>> this ...

5 years ago | 1 answer | 0

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Question

How increase the value of each cell from 256*256 to 576*720
function [DifferenceStatistic] = jfDStatsN(M) dVEC(size(M, 1))= 0; lvl = (size(M, 1)^2); ...

5 years ago | 1 answer | 0

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Question

How do I normalize the data set of 3 groups and 50 images (3X50) and for each image9 features have been calculated?
Here is the part view of the data <</matlabcentral/answers/uploaded_files/130348/Capture.JPG>>

5 years ago | 1 answer | 0

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Question

How do I normalize each row from dataset below?
<</matlabcentral/answers/uploaded_files/130111/Capture.JPG>> I want to normalize 18X9 dataset each row corresponds to a speci...

5 years ago | 1 answer | 0

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answer

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