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Feeds
What is the filter size of imgaborfilt()?
Hello @Iraklis S The size of the Gabor kernel is determined internally by MATLAB based on the specified wavelength. The kernel ...
29 días hace | 0
how to crop the image from the green screen
Hello @Nikhil Gulati You can crop out the green portion by thresholding or quantizing the image based on colours. Here's a cod...
29 días hace | 0
how to eliminate white pixels(smoke pixels) in the rgb image
Hello @senthil vadivu You can eliminate white pixels from an RGB image by identifying these pixels and then replacing them wit...
29 días hace | 0
segment a color image into regions based on intensity homogenity
Hello @TAUSEEF KHAN You can use K-Means clustering to segment you image img = imread('IMG_2505.jpg'); % Replace with your ima...
29 días hace | 0
i used marker controlled watershed segmentation algorithm to segment the image into diff colors.i want to count the no.of segments in the segmented image
Hello @madhuri kalapala To count the number of distinct colors in a segmented image after using the marker-controlled watershed...
29 días hace | 0
how to extract image boundary for a color image
Hi @alapati pujitha You can use the "edge" function with the "Canny" detect edges in the image Please refer to the code below ...
29 días hace | 0
How to convert 3D plot to 2D plot
Hello @OriAlpha, I assume that you wish to project your 3D plot on a 2D plane. You can follow the code below to project your ...
30 días hace | 0
Plotting a volume in 3D
Hello @Michael Ross To plot a solid volume defined by parameters t1, t2, t3, where each parameter has a defined range, you can ...
30 días hace | 0
Matlab Animation for 4d plots?
Hello @Anurag Chittanahalli Papegowda, One way to make animated plots by updaing the plot inside a loop: numTimePoints = 100; ...
30 días hace | 0
how to detect the haziness of the color image?
Hello @Packia Naveen, One of the simple ways to determine haziness of an image is to analyze the contrast and clarity of the im...
30 días hace | 0
how to find color corrologram of an image?
Hello @mano, The general approach for computing a corrologram of an image involves colour quantizing the image and computing th...
30 días hace | 0
4D plots in Matlab?
Hello Ali, If you want to represent the change in 3D position of a graphic over time, you can represent this using with an anim...
30 días hace | 0
Changing the color of image
Hello Eric, You can use the "winter" colormap to change the color of the image with a gradient of colours from green to blue. ...
30 días hace | 0
how to color code a vector field based on the vector direction?
Hello @Masih Jorat You can map the direction to colors using a colormap and use the direction cosines or angles to determine th...
alrededor de 1 mes hace | 0
Plot vector field in Cylindrical
The conversion from Cartesian to cylindrical coordinates is given by: The unit vectors in cylindrical coordinates are related...
alrededor de 1 mes hace | 0
I want to plot the half only in the attached figure. How can I do that?
Hello @Shreen El-Sapa You can make the following changes to the contour plot to plot only the top half p1=contour(x,y,psi1,[0....
alrededor de 1 mes hace | 1
How can I appear the streamline around the spheres?
Hello Shreen, You can plot the streamlines by using a series of “contour” functions the way you've been attempting to. hold o...
alrededor de 1 mes hace | 1
Rotation of a 3D vector field around axis
Hello @AC95, I was able to rotate the vector field about the y-axis using a rotation matrix Here's the code uses a rotation m...
alrededor de 1 mes hace | 0
Matrix dimensions must agree
Hello Meaghan, The reason you get this error is because you cannot divide two matrices the way you divide two scalars. To f...
alrededor de 1 mes hace | 0
How can I change vector colors in quiver plots and add color bar based on vector magnitudes and custom magnitudes assigned to each vector?
Hello Nafiz The “quiver” function in MATLAB does not natively support color coding based on vector magnitude. However, you can ...
alrededor de 1 mes hace | 0
| aceptada
how to get a plot quiver with velocity magnitude
Hello bharathi The “quiver” function in MATLAB does not natively support color coding based on vector magnitude. However, you c...
alrededor de 1 mes hace | 0
How can I plot a velocity field plot with color code?
Hello Emre The “quiver” function in MATLAB does not natively support color coding based on vector magnitude. However, you can ...
alrededor de 1 mes hace | 0
What is the matlab code for spherical indicratix?
Hello Khadak, To create a spherical indicatrix, you can follow the code below t = linspace(0, 2*pi, 1000); a = 1; x = ...
alrededor de 1 mes hace | 0
having legend title and enlarging legend marker size at the same time
Hello @CS It is a known problem that a title to a legend cannot be added when calling the "legend" function with multiple outpu...
alrededor de 1 mes hace | 0
Why does the same View property for Axes with different PlotBoxAspectRatio result in different views?
Hi Aaron, The behaviour arises because of the "axis equal" command. When you use the "axis equal" command, it adjusts the plot ...
alrededor de 2 meses hace | 0
| aceptada
conformal mapping of circle
To transform a circle using conformal mapping, you can directly apply the transformation to the equation of the circle. Here’...
alrededor de 2 meses hace | 0
Alternative to scatter3 plot
I am assuming the data you have, i.e. X, Y and Z are vectors. In this case, you can use the “scatter3” function without the loop...
alrededor de 2 meses hace | 0
How to plot the electric field using when the desired signal is small and there are many data points
Assuming that you want to plot the magnitude of the z component of the electric field in a 2D space specified by the variables “...
alrededor de 2 meses hace | 0
Suggestions for a more efficient way of writing this code
Hello Grey, Assuming that you want to maintain the variable names as you have specified, since you are retrieving the data fr...
alrededor de 2 meses hace | 0
How to detect Black object centers in binary image without inverse it using connected component label
Hello Bharat, You can use connected components without inverting the image by just inverting the logic of the image while pass...
2 meses hace | 0
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