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2016 以来アクティブ

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質問


How to get the indices corresponding to the width of a peak?
Hi, I'm using the findpeaks function to find the peaks of an array. After this, I should get the indices of the array corresp...

約4年 前 | 1 件の回答 | 0

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質問


Approach to sounds recognition with Machine or Deep Learning techniques?
Hi, I'm working about a problem of sounds recognition: I could have ten different noises, and I need the computer can classif...

約4年 前 | 0 件の回答 | 0

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質問


How to export cell of double arrays to Excel?
Hi, I have to declare the following variable: Param = {[1,2],[3,4],[5,6],[7,8,9,10]}; and I need to export it into an...

4年以上 前 | 1 件の回答 | 1

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質問


How to trim a video?
Hi, I have a color video of about 10 minutes, and it also has an audio track. I have to trim it in order to extract the centr...

4年以上 前 | 1 件の回答 | 0

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How to save vector columnwise in Excel file
Hi, this code could be valid for you: for i=1:30 vec = randn(5,1); % Syntax: xlswrite(filename,A...

4年以上 前 | 0

質問


Registration Estimator can not register the images
Hi, I'm trying to use the Registration Estimator of the Computer Vision System Toolbox to register two images, named fixed an...

4年以上 前 | 0 件の回答 | 0

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Using impixel with an image sequence
Hi, I'm not expert with |implay| function and its working, but "point and click" makes me think to the |ginput| function: ...

4年以上 前 | 0

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Montage of two Images
Hi, if you need only to display the two images side by side you can use |subplot|. Instead, if you need to join the two im...

4年以上 前 | 1

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質問


How is Threshold parameter calculated and expressed in Unsharp Mask?
Hi, I'm trying to understand the |imsharpen| function: https://it.mathworks.com/help/images/ref/imsharpen.html I would ...

5年弱 前 | 0 件の回答 | 1

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Im using a code to calculate when a satellite re-enters the atmosphere. I need the code to stop running after the satellites altitude goes below 100km. Is there a function i can use to do this?
Maybe the _return_ function: https://it.mathworks.com/help/matlab/ref/return.html if altitude < 100 return end

5年弱 前 | 0

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How can I create a matrix from the values of a For loop?
Hi, I'm not sure, but I think you can try this (I refer to the first version of code that you wrote): matrix = []; fo...

5年弱 前 | 0

質問


How to change the color of the markers when plot features over an image?
Hi, as in the subject, is it possible to change the color of the markers when you plot features over an image? Example: if...

5年弱 前 | 1 件の回答 | 0

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質問


How to use the Computer Vision System Toolbox OpenCV Interface?
Hi, I've download the OpenCV 3.1.0 and correctly installed the Computer Vision System Toolbox OpenCV Interface. I followed th...

5年弱 前 | 1 件の回答 | 0

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How to use str2double without rounding
Hi, maybe you need a proper set of the output display format: https://it.mathworks.com/help/matlab/ref/format.html The ...

約5年 前 | 0

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Call elements for a cell array
Hi, I think the following example could be a basic help, is it useful for you? % 3x1 cell building (example) cellar...

約5年 前 | 0

質問


Warning using bwareafilt: "Some objects were not selected"
Hi, I'm using the function bwareafilt to select the twelve largest objects on a binary image. Sometimes, this warning occurs:...

約5年 前 | 1 件の回答 | 0

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質問


Compatibility of Halcon Wrapper and OpenCV Interface
Hi, I'm interested in using the Halcon Wrapper: https://it.mathworks.com/matlabcentral/fileexchange/46524-mvtec-halcon-wra...

約5年 前 | 1 件の回答 | 0

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質問


How to perform xcorr2 only in one direction?
Hi, I'm working on two images having the same dimensions. They don't require to be aligned vertically, but only horizontally....

5年以上 前 | 1 件の回答 | 0

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質問


In images aligning, how to exclude some areas from xcorr2 execution?
Hi, I'm trying to align two images using the procedure described into the "Align Two Images Using Cross-Correlation" example,...

5年以上 前 | 0 件の回答 | 0

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質問


How to add an array in a structure as a new field?
Hi, I'm using the following code to get a structure variable _stats_, that will have 23 + 1 = 24 fields. stats = regionp...

5年以上 前 | 1 件の回答 | 0

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質問


How can I find the Sensitivity Factor of the Harris Corner Detector?
Hi, I'm using the _detectHarrisFeatures_ function. To learn about it, I've found this page: http://it.mathworks.com/help/v...

5年以上 前 | 1 件の回答 | 0

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質問


How to visualize MajorAxisLength and MinorAxisLength on images?
Hi, I would like to replicate something similar to that shown in the explanation of "Orientation" property of the "regionprop...

5年以上 前 | 1 件の回答 | 0

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How do I merge multiple bounding boxes that overlap into one bigger bounding box?
Hi, this example proposes a method to merge boxes, using "accumarray": http://it.mathworks.com/help/vision/examples/automa...

5年以上 前 | 1

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use bwconncomp for large sparse matrices
Hi, I think the example in the documentation may be what you are looking for. Please, find the "Calculate Centroids of 3-D Ob...

5年以上 前 | 0

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Qn regarding Matlab Montage
Hi, yes, it is possible. This is just a basic example: mont(:,1:500) = I1; mont(:,550:1049) = I2; mont(550:1049,1:500...

5年以上 前 | 1

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3D animation of imported data
Hi, I'm not able to answer your question, I'm writing just for a suggestion. I never used the "drawnow" function, but I know ...

5年以上 前 | 0

質問


How to apply a different b/w threshold to each row of the image?
Hi, I would convert an image from grayscale to black-and-white using the im2bw function, and I need to apply a different thre...

5年以上 前 | 2 件の回答 | 0

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How do I create a minimum bounding box from locations in cornerPoints object?
Hi, I think this code should be ok for you: x_coordinates = strong.Location(:,1); y_coordinates = strong.Location(:,2);...

5年以上 前 | 0

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How to create a Matrice from a structure
Hi, if "meanValues" is a single value and you return a 2d matrix from it, I think that if "values" is an array you should ret...

5年以上 前 | 1

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while converting a gray scale image to tif file for edge detection ;it is showing that the dimension of tif file has changed .how can i make a tif file to 2d image
Hi, try with "rgb2gray": http://it.mathworks.com/help/matlab/ref/rgb2gray.html Example for your case: colormap(gray...

5年以上 前 | 0

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