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Berbia


Active since 2012

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Question


how to change FramesPerSecond
I have an avi video and I need to change the FramePerSecond for splitting the video into frames. Filename: 'm...

11 years ago | 1 answer | 0

1

answer

Question


Dimensional reduction by PCA
I have an vector x whose dimension has to be reduced to 5 x 50 by PCA. [5,500]=size(x); For that I use the code <http:/...

11 years ago | 2 answers | 1

2

answers

Question


Overwriting the folder in matlab
I've created the folder to write images on it by the code outputFolder = fullfile(cd, 'folder_name'); if ~exist(outputFold...

11 years ago | 2 answers | 0

2

answers

Question


Applying function to signal
I have an I-dimensional input signal x(t)=[x1(t),...xI(t)]T and J-dimensional input-output function g(x)=[g1(x),.....

11 years ago | 1 answer | 0

1

answer

Question


matrix multiplication with different dimension
I need to perform a matrix multiplication with different dimensions, let A*B=C; where the dimension of A is 700*5 and th...

11 years ago | 1 answer | 0

1

answer

Question


vector with floating point values
I have three floating point variables, say, A,B,C. I wrote these variables in the file as fprintf(fid,'%12.5f %12.5f %12.5...

11 years ago | 2 answers | 0

2

answers

Question


Statistical features from a vector
I need to extract around 15 statistical features form a vector, such a minimum, maximum, mean, std, kurtosis, skewness. Is there...

11 years ago | 2 answers | 0

2

answers

Question


L1 normalization of vector
I need to normalize the feature vectors by L1 normalization. Is there any built-in function in matlab? otherwise what is the pr...

11 years ago | 1 answer | 0

1

answer

Question


Read data form file
I'm trying to read values from the file and store it as a matrix.In the file there is two line space between each matrix values,...

11 years ago | 1 answer | 0

1

answer

Question


sum of each column of matrix
I need to create a vector from a matrix by adding each column elements to form a corresponding vector component. matrix columns ...

11 years ago | 1 answer | 0

1

answer

Question


Normalize each column of a matrix
I have one doubt that, suppose if a matrix has zero mean and unit variance, then whether each of its columns has zero mean and ...

11 years ago | 1 answer | 0

1

answer

Question


how to format vector as matrix?
I have a long row vector say,v=[1 2 3 ... 100]. I'm in need to convert it into a matrix m=[1 2 3 4 5;6 7 8 9 10; ..... ;96 97 98...

11 years ago | 1 answer | 0

1

answer

Question


square of a vector
I have to calculate a square of vector which should results a scalar value. i.e) A=(B-C)^2 B and C are vectors and I need A as...

11 years ago | 2 answers | 0

2

answers

Question


vector form of cuboid.
I'm in need to concatenate the pixel values of 3 images(16 X 16 patches in an image sequence) which is stored in a folder,along ...

11 years ago | 1 answer | 0

1

answer

Question


How to Sampling Uniformly in an image?
hi I'm working in Action Recognition Project. Here the motion boundary is detected by sobel operator. Now I have the result of ...

11 years ago | 1 answer | 0

1

answer