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Feeds
combining features
Hello aavula, Combining features depends on the nature of the features and the classification algorithm you plan to use. The s...
13 days ago | 0
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...
13 days ago | 0
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...
13 days ago | 0
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...
13 days ago | 0
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...
13 days ago | 0
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)...
13 days ago | 0
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...
13 days ago | 0
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...
13 days ago | 0
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...
13 days ago | 0
How to find image retrieval using SIFT ?
Hello jenifer, You can use the “detectSIFTFeatures” and “extractFeatures” functions from the Computer Vision Toolbox to extrac...
14 days ago | 0
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 ...
14 days ago | 0
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...
14 days ago | 0
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 ...
14 days ago | 0
Binary image feature extraction
Hello Nisha, The common feature extraction methods used for binary images are: SIFT: Although traditionally used for graysca...
14 days ago | 0
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...
20 days ago | 0
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...
20 days ago | 0
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...
20 days ago | 0
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...
20 days ago | 0
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...
20 days ago | 0
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...
20 days ago | 0
How can I find intersection points without mouse?
Hello Hossein, If you want to find the point of intersection of any tow lines programmatically, you can do so following the ste...
20 days ago | 0
Unable to Unpack Variables from Python to MATLAB Function in Simulink Model
Hello Arseny, You can unpack the elements of the tuple into a vector by first converting it to “double” and then using the “ve...
2 months ago | 0
how to take average from the gait energy image or from silhouette?
Hello Ankit An easy way to accomplish this task is to read all the images you have in the folder and append them into an array...
2 months ago | 0
How to find the gait energy image(GEI) in matlab from a sequence of gait images saved in a folder?
Hello Ankit An easy way to accomplish this task is to read all the images you have in the folder and append them into an ar...
2 months ago | 0
How to save subplots as tiff and fig?
Hello Hana To save subplots as both TIFF and FIG files in MATLAB, you can use the “saveas” function. To save the file in the d...
2 months ago | 0
How to control windows media player with MATLAB?
MATLAB provides the capability to interact with COM objects, such as Windows Media Player, using ActiveX controls. You can use t...
2 months ago | 0
windows media player
MATLAB provides the capability to interact with COM objects, such as Windows Media Player, using ActiveX controls. You can use t...
2 months ago | 0
How to create a movie player?
Hello Ken, MATLAB provides the capability to interact with COM objects, such as Windows Media Player, using ActiveX controls. ...
2 months ago | 0
What engine is the Matlab ocr function using
Hello Lawrence, MATLAB’s “ocr” function uses the Tesseract OCR engine for text recognition and detection. This has been mentio...
2 months ago | 0
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 ...
3 months ago | 0
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