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Ayush


Last seen: 30 days ago |  Active since 2023

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how to calculate the area of the black color and the white color
Hi, To calculate the area of black circles, ensure that the image is in binary format, i.e., the circles are black (0) and the ...

30 days ago | 0

Answered
about the color of pixel
Hi, To count the number of yellow, red, and black pixels in an image using MATLAB, you can convert the image to the HSV colour ...

30 days ago | 0

Answered
Why RGB image should convert into grayscale in image processing?
Hi, Converting images to grayscale is a common practice in image processing, but it's not mandatory. It simplifies the data by ...

1 month ago | 0

Answered
To plot lines between points
Hi, To plot two lines between the points ((a, b)), ((c, d)), and ((e, f)) in MATLAB, you can use the “plot” function. Refer to ...

1 month ago | 0

Answered
Represent a variable with probability in Matlab
Hi, To represent the noise “n”, given that it occurs with a probability of 4%, you can use a combination of random number gener...

1 month ago | 0

Answered
plot and figure windows
Hi, To indicate specific points in the figure window which display an image, you can first use “hold on” which will allow you t...

1 month ago | 0

Answered
how to use histogram values in svm classifier
Hi, Once you have computed the histogram features, you can make use of the “fitcsvm” function to pass the histogram features i...

1 month ago | 0

Answered
How to test & train image using random forest classifier
Hi, Testing and training images using a Random Forest classifier involves preparing your dataset, extracting features from ima...

1 month ago | 0

Answered
Generating Random text file of size x bits
Hi, To generate a random text file of a specified size in bits, you first need to convert the size from bits to bytes, as file...

1 month ago | 0

Answered
how to sample some random patches of an image?
Hi, You can follow bellow steps to sample random patches from the image: Load image in MATLAB. Specify the size of the patch...

2 months ago | 0

Answered
How to fill in missing data?
Hi, One way to replace missing values currently represented as 0 is to use interpolation. Start by identifying the indices of t...

2 months ago | 0

Answered
how can i generate a sine wave in simulink if angle is changing?
Hi, To create a sinusoidal signal in Simulink, you can utilize the "Sine Wave" block. Since the angle varies in your scenario,...

2 months ago | 0

Answered
Number of detected points
Hi, To determine the number of detected feature points using the FAST algorithm, you can utilize the "detectFASTFeatures" funct...

2 months ago | 0

Answered
imagesc color map for gridded value
Hi, To plot the Z variable as a colour scale using "imagesc" in MATLAB, you need to ensure that Z is in a matrix form that corr...

4 months ago | 0

Answered
matlab code to find mean, median and standard deviation of a series of data in discrete time wavelet
Hi, To find the mean, median, and standard deviation of a series of data, you can make use of inbuilt functions "mean", "median...

4 months ago | 0

Answered
DateTime YYYYMMDD HHMMSS ConvertTo
Hi, To convert the data into the required format, you can make use of the "Format" property of the "datetime" object and set it...

5 months ago | 0

Answered
Plotting the Bar chart in Matlab
Hi, The data in your matrix is being plotted in columns rather than rows. To achieve the desired grouping, you should transpose...

5 months ago | 0

Answered
How to perform stack operation of 4 shares in color images
Hi, You can stack your four shares together. Take care that all four shares are of the same size. You can resize them if they a...

5 months ago | 0

Answered
change between two values with time dependent
Hi, To plot the sawtooth-like signal as per the parameters you have defined, you need to create a time vector to simulate the w...

5 months ago | 0

Answered
Find height value from the same horizontal position data
Hi, To extract the z values from one array (A) based on the matching x-y values provided in another array (B), you can iterate ...

5 months ago | 0

Answered
How to compute Z-transform with Matlab?
Hi, To compute the Z-transform of the given equation, you can follow the below steps: Define the symbolic variables. Define ...

5 months ago | 0

Answered
how do you change the color of a region of an image?
Hi, To work on a certain region of an image, you need to define the coordinates and size of the region you want to modify. Assu...

5 months ago | 0

Answered
How to use Matlabs in Forex?
Hi, You can make use of the Financial Toolbox. With this, you can work on technical indicators to find moving averages, momentu...

5 months ago | 0

Answered
Impulse response from poles and zeros
Hi, To find the impulse response "h(n)" from the given pole-zero locations, create the system function "H(z)" and then compute ...

5 months ago | 0

Answered
Could anyone help me how to find the correlation between the time series data
Hi, You can make use of the "corr" function to get a linear correlation coefficient between the data. You can extract the time ...

5 months ago | 0

Answered
Help me to draw a pie chart with separate pieces
Hi, You can pass an array to the "pie" function, where each element corresponds to the pie chart pieces. A value of 1 would mea...

5 months ago | 0

Answered
how can I detect and fill gapes in data
Hi, You can fill in the missing data by using the "fillmissing" function with the 'linear' method to interpolate missing values...

5 months ago | 0

Answered
How to set specific colors in margin of errorbars line?
Hi, You can achieve a red line with a black margin effect by plotting the error bars and the main line separately and then cus...

5 months ago | 0

Answered
Excluding data not of a classes from a KNN classifier
Hi, To detect data that is too dissimilar from any of the trained classes in your KNN classifier, you can compute the distances...

6 months ago | 0

Answered
How to merge local maxima based on distance apart
Hi, To merge local maxima that are less than a certain distance apart in an image, you can use the "pdist" function to compute ...

6 months ago | 0

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