Community Profile

photo

Nut


Active since 2016

Followers: 0   Following: 0

Statistics

All
  • First Review
  • Solver
  • Thankful Level 3
  • Revival Level 1
  • Knowledgeable Level 2
  • First Answer

View badges

Feeds

View by

Question


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...

6 years ago | 1 answer | 0

1

answer

Question


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...

6 years ago | 0 answers | 0

0

answers

Question


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...

6 years ago | 1 answer | 1

1

answer

Question


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...

7 years ago | 1 answer | 0

1

answer

Answered
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...

7 years ago | 0

Question


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...

7 years ago | 0 answers | 0

0

answers

Answered
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: ...

7 years ago | 0

| accepted

Answered
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...

7 years ago | 1

| accepted

Question


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 ...

7 years ago | 0 answers | 1

0

answers

Answered
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

7 years ago | 0

Answered
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...

7 years ago | 0

Question


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...

7 years ago | 1 answer | 0

1

answer

Question


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...

7 years ago | 1 answer | 0

1

answer

Answered
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 ...

7 years ago | 0

| accepted

Answered
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...

7 years ago | 0

Question


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:...

7 years ago | 1 answer | 0

1

answer

Question


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...

7 years ago | 1 answer | 0

1

answer

Question


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....

7 years ago | 1 answer | 0

1

answer

Question


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,...

7 years ago | 0 answers | 0

0

answers

Question


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...

7 years ago | 1 answer | 0

1

answer

Question


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...

8 years ago | 1 answer | 0

1

answer

Question


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...

8 years ago | 1 answer | 0

1

answer

Answered
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...

8 years ago | 1

Answered
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...

8 years ago | 0

Answered
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...

8 years ago | 1

| accepted

Answered
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 ...

8 years ago | 0

Question


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...

8 years ago | 2 answers | 0

2

answers

Answered
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);...

8 years ago | 0

Answered
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...

8 years ago | 1

Answered
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...

8 years ago | 0

Load more