# Abhishek Saini

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How to find arc length, angle from the image?

Dear all, I want to find the curve length and curve orientaiton from the image. I performed the image segmentation and convert ...

3 maanden ago | 0 answers | 0

### 0

answersQuestion

Image segmentation and measure segmented features

Hi all, I want to perform image segmentation as described in the research articles in Fig 5 and 6. I have attached the figure f...

8 maanden ago | 1 answer | 0

### 1

answerQuestion

direction of flow lines in an image

Hi, I have a 2D image or image data. I want to find the average direction of flow lines with respect to horizontal. how can i d...

8 maanden ago | 2 answers | 0

### 2

answersQuestion

2D vector plot from three Euler angles

Hi all, I have x and y coordinates with three Euler angle(/theta, /phi,/Phi) for each location. I want to plot the vector plot ...

11 maanden ago | 1 answer | 0

### 1

answerFitting Gaussian keeping max amplitude same

Thanks for your reply. It help me to finalise the code by keeping the singal max amplitude same and shift the s...

12 maanden ago | 0

| accepted

Question

Fitting Gaussian keeping max amplitude same

Hi I want to fit multi peak data keeping the maximum amplidute same. I tried smoothening and peak fitting but unable to achinv...

12 maanden ago | 3 answers | 0

### 3

answersQuestion

find an inclined plane from 3D data and plot it

Hi MATLAB Users, I have 3D matrix of 501x501x501. I want to plot the data of the plane at 45 degree passing through point (x=2...

meer dan een jaar ago | 1 answer | 0

### 1

answerQuestion

parallel loop in matlab

Hi , I am new to use parfor in MATLAB. I am trying to convert my for loop in to parfor, but getting problem in varaible defini...

bijna 2 jaar ago | 1 answer | 0

### 1

answerQuestion

Deconvolution and blind Deconvolution of signal

Dear users, I would like to deconvolve the given output signal shown in figure 1 with a wavelet in figure 2. How can I perform ...

bijna 2 jaar ago | 0 answers | 0

### 0

answersQuestion

imagesc from 1D array with coordinates and values

Hi, I have 3 vectors and I want to plot a 2D image using mesh/ imagesc/surf command. But How can I convert 1D array to 2D array...

ongeveer 2 jaar ago | 1 answer | 0

### 1

answerQuestion

Tilted circle in 3D mesh

I have 3D mesh set and I want to give semicurcular region a differnet value. I have done this for vertical semi circle (as shown...

meer dan 2 jaar ago | 1 answer | 0

### 1

answerQuestion

calculate volume under of 3D isosurface plot

I have a 3D matrix data V(201,101,101). I want to calculate the isosurface volume for a particular isovalue. How to calculate t...

meer dan 2 jaar ago | 1 answer | 0

### 1

answerQuestion

Plot 3D matrix

I have 3D matrix of size 200x400x100. The matrix values shows the amplitude in the image. How to plot all the points in a 3D gri...

bijna 3 jaar ago | 1 answer | 0

### 1

answerQuestion

find index of points in meshgrid under the line

I have 2D mesh grid of 501*2001. I want to get indices of values for the grid points in straight line to change the values of gr...

ongeveer 3 jaar ago | 1 answer | 0

### 1

answerQuestion

How to convert dependent equation to independent for parallel computing (parfor)

I am trying to run my code using 'parfor' but getting error due to dependent term. How to resolve that. The code similar to be...

meer dan 3 jaar ago | 1 answer | 0

### 1

answerfind points in 3D mesh in th form of semi circular shape to get element number. inpolygon for 3D

I found the following links for finding points inside the 3D volume. https://www.mathworks.com/matlabcentral/fileexchange/433...

meer dan 3 jaar ago | 0

Question

problem in running mex file

I am unable to run the function InPolygon available at the Matlab webpage < https://www.mathworks.com/matlabcentral/fileexchange...

meer dan 3 jaar ago | 1 answer | 0

### 1

answerQuestion

Extracting 2D plane values from a 3D mesh

I have 3 arrays (x,y,z) of size 243,528,000 each. These array have coordinates in x,y and z respectively. I want to extract the ...

meer dan 3 jaar ago | 1 answer | 0

### 1

answerQuestion

Plotting very large data freeze MATLAB

I have large array 3D data and when I am plotting it using plot and plot3 function MATLAB freezes. Is there any option to create...

meer dan 3 jaar ago | 1 answer | 0

### 1

answerQuestion

find points in 3D mesh in th form of semi circular shape to get element number. inpolygon for 3D

I have attached the 3D data set. I have generated the small data for the testing. ex, ey and ez are the coordinate points in x,...

meer dan 3 jaar ago | 1 answer | 0

### 1

answerQuestion

How to create large data in MATLAB. For large array showing out of memory.

I am trying to generate 3D mesh for my finite element simulation in MATLAB.But due to large number of nodes or array size it is ...

meer dan 3 jaar ago | 2 answers | 0

### 2

answersSolved

Times 2 - START HERE

Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

meer dan 3 jaar ago

Question

Determine the condition to find elements inside semi circular region in a rectangular mesh

I have a rectangular mesh of 500000x500000. I extracted the coordinates of the mesh elements. Now I would like to remove element...

meer dan 3 jaar ago | 1 answer | 0