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### University of Miami

Last seen: 10 mesi ago Active since 2015

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PCA to reduce dimensionality of feature vector
Please check the Matlab's pca command: <https://www.mathworks.com/help/stats/pca.html>

oltre 4 anni ago | 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...

oltre 5 anni ago | 4

| accepted

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...

oltre 5 anni ago | 3

| accepted

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) =...

oltre 5 anni ago | 2

| accepted

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 ...

oltre 5 anni ago | 4

| accepted

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...

oltre 5 anni ago | 4

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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...

oltre 5 anni ago | 3

Matlab unable to start
Have you tried reinstalling it? Some necessary files might have been deleted for some reason.

oltre 5 anni ago | 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...

oltre 5 anni ago | 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...

oltre 5 anni ago | 3

| accepted

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...

oltre 5 anni ago | 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...

oltre 5 anni ago | 1 answer | 3

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what 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)...

oltre 7 anni ago | 1

| accepted