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Feeds
PCA to reduce dimensionality of feature vector
Please check the Matlab's pca command: <https://www.mathworks.com/help/stats/pca.html>
presque 8 ans il y a | 1
what are the features/measures for no reference quality analysis of fused images
There are several non-reference metrics for feature fusion. The widely used ones are the Piella [1], Petrovic [2] and the Featur...
environ 9 ans il y a | 4
| A accepté
How do I compare overlap of each blob in first frame with every blob in the next frame and then save the corresponding pair?
One solution can be by creating a mask using the first frame and applying it to the second frame. In order to create the mas...
environ 9 ans il y a | 3
| A accepté
Given a matrix A = [2 5 7; 4 1 8], write a for loop that will replace all the even numbers with 0.
This can be a solution using for loops: [m,n] = size(A); for i = 1:m for j = 1:n if mod(A(i,j),2) =...
environ 9 ans il y a | 2
| A accepté
How to Change the brightness of an image by using loops and no loops
You don't need the if statement for reducing the values to be in the range [1, 255]. The pixel type uint8 cannot go higher than ...
environ 9 ans il y a | 4
| A accepté
Need help putting multiple values in Legends
First of all, you only need one "hold on". You don't need to repeat it after each plot. You can add the legend *after your lo...
environ 9 ans il y a | 5
| A accepté
How could I change or open the data in Workspace?
As far as I know, you can only change the name in the Workspace. However, if you double click on the data, it opens it in the Ed...
environ 9 ans il y a | 3
Matlab unable to start
Have you tried reinstalling it? Some necessary files might have been deleted for some reason.
environ 9 ans il y a | 3
How to perform canny edge detection to detect the head portion and to count the people who are entering into a room?
You said you have already done the background subtraction, and now, you have the foreground image (FG). What you need to do is...
environ 9 ans il y a | 3
When I am running findpeak it is giving me the following error? Why is there this error? How to modify the code to fix it?
For some reason, you have an odd number of parameters for _uddpvparse_. You'd better put a break point at "findpeaks>parse_inpu...
environ 9 ans il y a | 3
| A accepté
Undefined function or variable 'x'.
You cannot just "run the function" with no input arguments. It has to be called from another function and the X and Y must be gi...
environ 9 ans il y a | 3
Question
How to get sum of columns even if the matrix is a row vector?
I'd like to get the sum of columns in a matrix, but when the matrix has only one row, the SUM function gives the sum of all elem...
environ 9 ans il y a | 1 réponse | 3
1
réponsewhat features are to be extracted from an image for brain tumor detection?
Statistical features usually work well. You can try Gray Level Co-occurrence Matrix (GLCM), Histogram of Oriented Gradient (HOG)...
plus de 10 ans il y a | 1
| A accepté
How to map certain temperature range into 0-255 gray scale image (thermogram) ?? Please advice...
temperature = 28.4 + intensity*(36-28.4)/255
plus de 10 ans il y a | 1
| A accepté
