# Prachi Kulkarni

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**Content Feed**

Find voulume of Tetrahedron

Hi, You can use the following code to compute the volume of the tetrahedron using triple integration. intercepts = input("For ...

8 days ago | 1

| accepted

Normalize hyperspectral image using a target/reference

Hi, If you want to normalize all the data in the hyperspectral image, such that- the minimum of the normalized hyperspectral i...

9 days ago | 1

Using fftn to filter 4D image (3D video)

Hi, Let the array arr be of size h-by-w-by-d-by-t. The filtered_video should be trimmed as follows to get the same output as g...

9 days ago | 0

How to plot graph?

Hi, If you want the plots for each timepoint in separate figures, you can use the following code. r_range = 0:delta_r:1; for ...

9 days ago | 0

Multiple softmax vectors in output layer of neural network using softmaxLayer

Hi, From the R2021b release onwards, you can create numInputs number of fully connected layers, each with output size 8. Every ...

10 days ago | 0

| accepted

getting double plots in single

Hi, If Ex and Ey are the X and Y components and you want to compute the magnitude and phase, you can make some minor changes to...

10 days ago | 0

After running the code, the arrays that should have the calculated values for all the rows are still empty?

Hi, Here is a slight modification of your code that can help. Hi, Here is a slight modification of your code that can help....

2 months ago | 0

Multiple t test in MATLAB

Hi, Please refer to the documentation and examples related to multcompare for multiple comparison tests.

2 months ago | 0

Multiscale dilation:structure unit does not change after imdilate by itself. What the multiscale dilation meaning?

Hi, As per the definition of dilation described at the end of the documentation on imdilate, the structural element g when oper...

2 months ago | 0

Extract k-space from nifti image

Hi, You can use the niftiread function to read the MRI volumetric data from a NIfTI file. If the volume is in spatiotemporal...

2 months ago | 0

CT Scan slices to Neural Network

Hi, You can specify the labels manually using the Labels property of the image datastore. For more information, please refer t...

2 months ago | 0

Overlay statistical info on MR data

Hi, For the code snippet you have provided, here are some modifications that will work. % Create contrived image img = 1500*...

3 months ago | 0

| accepted

How to properly detect the edges of the rail surface for cropping?

Hi, As I mentioned before, there are indeed many different approaches that can be taken to find the edges. Using the color info...

3 months ago | 1

| accepted

How to integrate the discrete data?

Hi, Integration is equivalent to summation in the discrete domain. So, if P is your NxM power matrix, you can compute the total...

3 months ago | 1

| accepted

How to properly detect the edges of the rail surface for cropping?

Hi, There can be many possible approaches to identifying the edges. One possible way would be to look at the image in HSV color...

3 months ago | 0

I have two variables that I need to loop over calculations to find the best combination

Hi, In the code you have provided, the same variable kk is being used to loop over both the variable arrays p_ratio_array and p...

3 months ago | 0

| accepted

Code for a picture to apply filters in frequency domain to it.

Hi, Please refer to the following example for a sample code. I = imread("cameraman.tif"); % image of size 256x256 I = im2doub...

3 months ago | 1

what are the principle components of my model

Hi, The PCA option in the Classification Learner app, uses the pca function. Let your data matrix be called data. You can inse...

3 months ago | 0

Why is wvd output time vector twice the size of the input

Hi, The output time vector tOut of the wvd function is twice the size of the input because the default value for the NumTimePoi...

3 months ago | 0

Can I do Independent component analysis with just one row of data which is a mixture of two source signals?

Hi, Please refer to the following resource about performing independent component analysis. https://www.mathworks.com/matlabc...

3 months ago | 0

How do I simulate Bernoulli observations?

Hi, You can generate the Bernoulli observation and get the statistics as follows. n = 1000; p = 0.2; data = binornd(1,p,n,1...

3 months ago | 0

categorizing tables after reading them.

Hi, If you initially have all the data in a table T and HOUR is one the variables in table T, you can create separate tables de...

3 months ago | 0

save data in matrix after improfile

Hi, In the code snippet you have provided, the pixel values are sampled along only one line segment in image I. The endpoints ...

3 months ago | 0

Adding a secondary x axis on the top of a line plot

Hi, Following is a modified version of your code which will give you the secondary X axis at the top of the plot with an xlabel...

4 months ago | 0

| accepted

How to add white gaussian noise with specific variance using awgn?

Hi, In the wgn function, if you set the power type to linear i.e. watts, the power of the noise signal is the variance itself. ...

4 months ago | 0

| accepted

GroundtruthLabeler for 4D images

Hi, Currently there is no support for 4D data from dicom files in the labeler apps. This might be supported in a future release...

4 months ago | 0

| accepted

Calculate value of each voxel in a 4dim resting-fMRI Nifti image.

Hi, You can use the niftiread function to read the intensity values of the 4D spatiotemporal volume of the resting-fMRI into a ...

4 months ago | 0

Convert a matrix of doubles to an RGB image, and then back to a matrix of doubles (ideally matching the original)?

Hi, The double2rgb file exchange function in your code is converting the matrix of doubles to an RGB image with jet colormap. ...

4 months ago | 0

| accepted

Plotting colourful line over gray image whilst retaining colourbar information

Hi, To plot a color line over the grayscale image A, the image should be represented in RGB format even though the colors are i...

4 months ago | 0

| accepted

Smoothing with a nonuniform window size

Hi, Let A be a 1-D array. Let k be a 1-D array of the same length as A, containing the moving mean window length for each corr...

4 months ago | 0