photo

Basavaraja V


Active since 2018

Followers: 0   Following: 0

Statistics

  • Thankful Level 3

View badges

Feeds

View by

Question


Error using svm classifier
Error using svmtrain (line 274) SVMTRAIN only supports classification into two groups. GROUP contains 4 groups. Error in Cl...

6 years ago | 1 answer | 0

1

answer

Question


How to debugg below error, Below we have attached file.
Error using crossval>evalFun (line 480) The function '@(xtr,ytr,xte,yte)confusionmat(yte,classify(xte,xtr,ytr),'order',order)' ...

6 years ago | 0 answers | 0

0

answers

Question


How to get 10 fold cross validation results.
If there is any way to get 10 confusion matrices or accuracy of the 10 fold cross validation for svm classifier.

6 years ago | 1 answer | 0

1

answer

Question


We have applied SVM classifier and we need confusion matrices for 10 fold cross validation i.e., we need 10 confusion matrices. below I have attached the file.
our problem is two class problem

6 years ago | 0 answers | 0

0

answers

Question


why below code takes longer time to execute, even with only one input image it takes longer time to execute.
We plan to use this code for 1000 images so it is very difficult to complete so any other way is there to do this.

6 years ago | 1 answer | 0

1

answer

Question


How to draw a line graph for the x-axis values are 0, 0.5, 1.0, 1.5, 2.0, 2.5, 3.0. and y-axis values are frequency of the x-axis value and this graph contains 4 lines and the values are attached below
instead of histogram we want line graph for the following data attached.

6 years ago | 0 answers | 0

0

answers

Question


When we applied k-means cluster on FM, where FM is Feature Matrix with k=2 it gives us 2 cluster, again we want to apply k-means for the obtained clusters individually until clusters becomes single value. How to apply k-means cluster recursively.
The description is in Description file.

6 years ago | 1 answer | 0

1

answer

Question


I have applied K- means cluster k=2 and I obtained each iteration and sum but I want standard deviation for each cluster in the iteration. Description is in Output file.
clear; clc; load('AgeEstimation.mat','DS'); [idx,ctrs] = kmeans(DS{1,1}',2,'Display','iter');

6 years ago | 0 answers | 0

0

answers

Question


We have 1D vector say DS of size 1X100, How to apply k-means cluster or c-means cluster and How to find number of clusters,iteration number, standard deviation of each cluster. we tried below code but it is not what we expected answer.
data = load('fcmdata.dat'); % load some sample data n_clusters = 2; % number of clusters [center,U,obj_fcn...

6 years ago | 1 answer | 0

1

answer

Question


X=56.8946e-03 I wanted X=56.9
We tried using sprintf('%.f',X) but it not the result what we expected.

6 years ago | 0 answers | 0

0

answers

Question


I have fixed rectangle for gray image using insertShape(), I need to extract the values within the rectangle box ( for each rectangle box) and store those values in cell array of size N x 1 where, N is number of rectangles present in the image.
<</matlabcentral/answers/uploaded_files/107281/5.PNG>>

6 years ago | 0 answers | 0

0

answers

Question


How to draw a line around for each connected components in an edge image. I tried bellow using bwboundaries() but i didn't get expected output.
<</matlabcentral/answers/uploaded_files/107087/b.PNG>>

6 years ago | 1 answer | 0

1

answer

Question


For each pixel in C, go to G and extract the whole component in G corresponding to pixels in C.below we attached C and G Images
<</matlabcentral/answers/uploaded_files/107027/C.PNG>> <</matlabcentral/answers/uploaded_files/107028/G.PNG>>

6 years ago | 1 answer | 0

1

answer