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gaetano mallardo


13 total contributions since 2019

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Question


Change Reference frame in 3d plot
I want to change the xyz axis of my plot with 3 direction i have calculated. The big red and green vector are vector i made usi...

17 days ago | 1 answer | 0

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answer

Question


Build a new reference frame and generate rotation matrix between old and new reference frame
I have a 3D body with a cilinder on the side. Matlab automatically set the reference frame in the center of the object. I want...

30 days ago | 0 answers | 0

0

answers

Question


Add Gaussian noise to mesh or point cloud
There is a function to generete 3d gaussian noise in mesh or point cloud??

1 month ago | 1 answer | 0

1

answer

Question


Plot tabel in a loop
I have a code to plot a table, but i am not able to generate it in a loop as the "dat vector" is made of double and array. The...

1 month ago | 1 answer | 0

1

answer

Question


Change variable name in a loop
I want to call a function in a loop which gives me a 3xn matrix and i want to call the matrix model_(number) for i=1:length(...

1 month ago | 1 answer | 0

1

answer

Question


Region growing for mesh
Does matlab implement any region growing alghoritm which is able to work with point cloud or mesh? I have find only function f...

2 months ago | 0 answers | 0

0

answers

Question


help understanding cell and (end+1) use
Hi, i have a script where for the first time i meet the cell array. I've read the documentation and it seems quite clear. The ...

2 months ago | 1 answer | 0

1

answer

Question


Automatic point cloud segmentation
I have a point cloud as in picture. It is made mainly of a plane and some holes that could be identified as cylinder. There is...

3 months ago | 0 answers | 0

0

answers

Question


match 2 point cloud
I have a pointcloudA which is acquired by a Lidar, and a pointcloudB generated by photogrammetry. I would like to overlap the ...

3 months ago | 0 answers | 0

0

answers

Question


How to apply a mask only on saturation in a hsv image
I have an rgb image converted n hsv. I need just the saturation level (sIm) hsvIm = rgb2hsv(im); % Convert RGB to HSV hIm = hs...

4 months ago | 0 answers | 0

0

answers

Question


How to make ROI selection automatic
I have a 3d point cloud body with some holes. I would like to use the fitcylinder function in the holes, but to do this i need t...

4 months ago | 0 answers | 0

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answers

Question


Is it possible to use deep learning with 3d point cloud?
I am working with a point cloud. I would like to develop a deep learning method which is able to recognize specific 3d geometr...

4 months ago | 0 answers | 0

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answers

Question


Plot cylinder symmetry axis
I am using the function cylinder to generate a cylinder model. I would like to show the cylinder axis in my plot. There is a f...

4 months ago | 1 answer | 0

1

answer