Answered
matlab -nodisplay on Fedora 22 hanging
Hello @Cameron Taggart Please note that Fedora 22 is not officially supported Operating Systems for those MATLAB releases. How...

11 months ago | 0

Answered
problems in downloading matlab psychtoolbox matlab R2014b
Hello @JazzMusic I had come across this error earlier and found out that crash is caused by an error in the installer developed...

11 months ago | 0

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Measuring the luminosity of a picture?
Hi Nathan, You can use the Image Processing Toolbox, which provides functions for color space conversion. You can follow these ...

11 months ago | 0

Answered
Intersection of convex Polyhedra
Hello Harshavardhan You can take a look at this submission by @Matt J which talks about a similar query https://www.mathworks....

11 months ago | 0

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How to find XZ plane along with XY plane in 3D Dicom Image? how to segment 3D region based on XY and XY plane?
Hello voxey, In a 3D DICOM image, the data is typically represented as a 3D matrix or volume. As you mentioned, XY = V(:,:,16...

11 months ago | 0

Answered
Plot first terms of Fourier series and amplitude
Hello Niemand83, If you just want to plot the sine terms with the coefficients, as in the image you attached, plot the terms in...

11 months ago | 0

Answered
Need to create a rectangular pulse train in matlab for given figure below
Hi Sanat To calculate the Fourier series coefficients and plot the Fourier series approximation for the pulse waveform Define ...

11 months ago | 0

Answered
Generate a pulse waveform using the fourier series expansion.
Hello Kevin, In this problem too, you are given the coefficient of the sine term of the Fourier series expansion for the functi...

11 months ago | 0

Answered
Generate a chirp waveform using the fourier series expansion
Hello Kevin, Esentially, in this problem, you are given the coefficient of the sine term of the Fourier series expansion for th...

11 months ago | 0

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how to calculate first n terms of the sawtooth Fourier series and plot the results in figure?
Hi Ismita To calculate the Fourier series coefficients and plot the Fourier series approximation for the given sawtooth functio...

11 months ago | 0

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combining features
Hello aavula, Combining features depends on the nature of the features and the classification algorithm you plan to use. The s...

12 months ago | 0

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how to implement relieff algorithm on a image or on a group of images ?
Hello Ajit, MATLAB has "relieff" function to rank the features based on their importance. Here's the documentation for it htt...

12 months ago | 0

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how to extract SIFT features from rgb image in matlab
Hello saber, You can perhaps apply SIFT to each color channel separately and combine the features from each channel to form a c...

12 months ago | 0

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How to see the extracted HoG features of the image??(visualization)
Hello Vinay, You can use MATLAB's "extractHOGFeatures" function to compute the HoG features and obtain the visualization data a...

12 months ago | 0

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What is advantage of using Haralick texture features compared to Tamura Texture features?
Hello Anushka, Haralick features allows for a detailed statistical representation of texture, including properties like contras...

12 months ago | 0

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How to extract patch of 4*4 size on the extracted SIFT features Keypoint (for eg: SIFT feature of an image 961*128)?
Hello Dheer, You can modify the code below to extract patches from the SIFT Features key points for i = 1:length(valid_points)...

12 months ago | 0

Answered
Java Robot - Unable to perform SHIFT-RIGHT
Hello Philip M, You can introduce a brief delay between the "keypress" and "keyRelease" functions to ensure they are recognized...

12 months ago | 0

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how to convert MRMR feature selection from matlab to C++?
Hello manar, You can consider using MATLAB Coder, which is a product that allows you to convert MATLAB algorithms into C/C++ co...

12 months ago | 0

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Normalize grayscale for HOG feature extraction
Hello Mark, Normalizing your images is an important step that can affect the quality of the extracted features. Normalizing th...

12 months ago | 0

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How to find image retrieval using SIFT ?
Hello jenifer, You can use the “detectSIFTFeatures” and “extractFeatures” functions from the Computer Vision Toolbox to extrac...

12 months ago | 0

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i want to use sift for image retrieval?
Hello AJITH, You can use the “detectSIFTFeatures” and “extractFeatures” functions from the Computer Vision Toolbox to extract ...

12 months ago | 0

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Is there any way to create a ClassificationNaiveBayes model directly from a NaiveBayes model?
Hello Anthony, Unfortunately, MATLAB does not provide a direct method to convert an old “NaiveBayes” model object to a new “C...

12 months ago | 0

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Is there a function that returns a Bayes Model?
Hello Marianna, Unfortunately, MATLAB does not provide a direct built-in function for fitting a full Bayesian classifier that ...

12 months ago | 0

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Binary image feature extraction
Hello Nisha, The common feature extraction methods used for binary images are: SIFT: Although traditionally used for graysca...

12 months ago | 0

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How do I use PCA
Hello kash, To perform feature selection using PCA, you can follow the MATLAB code below: % Center the data meanFeatures = me...

12 months ago | 0

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How do I calculate the electromagnetic field radiated by lightning using MATLAB?
Hello Djaborebbi, Let’s consider a basic approach where the lightning channel is divided into small dipoles, and the contrib...

12 months ago | 0

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How to make a lightning strokes/ square km / day map
Hello Joydeb, You can follow the below workflow to read files, select the required data points and create the density map Loop...

12 months ago | 0

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Animal detection and classification using svm
Hello Tejomayi, You can use the “fitcsvm” function to perform classification of animals using the SVM algorithm. Assuming you h...

12 months ago | 0

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How to finde intersections ?
Hello Hossein, If you want to find the point of intersection of any tow lines programmatically, you can do so following the ste...

12 months ago | 0

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How to find intersection between lines
Hello Hossein, If you want to find the point of intersection of any tow lines programmatically, you can do so following the ste...

12 months ago | 0