Itzik Ben Shabat

Last seen: 5 mois il y a | Actif depuis 2012

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For full detail see my personal website: http://www.itzikbs.com/ Professional Interests: 3D Computer vision, computer graphics, computer aided design (CAD), voxels, point clouds, deep learning.

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A soumis

Normal Vector to RGB
Maps unit vectors into corresponding RGB color on the RGB cube. Intended for visualizing normal vectors on 3D point clouds or me...

environ 5 ans il y a | 1 téléchargement |

A soumis

3DmFV-Net : Point Cloud classification using 3D CNNs
A MATLAB implementation of 3DmFV-Net - A 3D Point cloud classification network.

environ 5 ans il y a | 3 téléchargements |

Question

3D equivalent to depthConcatenationLayer?
Is there a 3D equivalent to the 'depthConcatenationLayer' layer?

environ 5 ans il y a | 1 réponse | 0

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Question

How to get deep learning layer output size?
Hi, I am getting to know MATLAB's capability with deep learning (I am fluent in TensorFlow). I built a very big computatio...

environ 5 ans il y a | 1 réponse | 0

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A répondu
3d convolutional layer for deep learning applications
It seems to be available in MATLAB 2019 : layer = convolution3dLayer(filterSize,numFilters) https://www.mathworks.com/help/de...

environ 5 ans il y a | 0

A soumis

Curvature Estimationl On triangle mesh
Computes curvature and curvature derivative tensors in each vertex of a triangle meshes

plus de 5 ans il y a | 12 téléchargements |

Question

why do the markers change size after several key press
hi, my code is attached below. it works but i noticed something odd. after i press '+' a few times the yellow markers shri...

plus de 6 ans il y a | 2 réponses | 0

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Question

How to draw a bar plot with different colors and several groups
I want to plot a bar graph which summarizes algorithms performance has three main parameters 1. Publication year (the x axis) ...

plus de 6 ans il y a | 1 réponse | 0

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réponse

A soumis

VoxelPlotter
A voxel visualization tool.

plus de 7 ans il y a | 5 téléchargements |

Question

How to count number of points in a volumetric grid (4D histogram)?
Hi, I have 3D point data in XYZ and i wish to creat a 4D histogram, i.e. a 3D matrix containing the point count in a volumetric...

plus de 7 ans il y a | 1 réponse | 0

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A résolu

Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

plus de 7 ans il y a

Question

mex file gives two different results. what is the cause?
Hello, I am running a mex file that i compiled on my pc. I expect that for the same input the result would be the same. however...

plus de 7 ans il y a | 2 réponses | 0

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Question

How does matlab compute confidence interval for power function in cftool ?
Hi, I am approximating the parameters of a power function (y=Ax^B) derived from sampled data using cftool. The result is g...

presque 8 ans il y a | 1 réponse | 0

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A répondu
How to Approximate Chi Square?
Hi, I eventually found what i needed. its chi2inv function, thanks

environ 8 ans il y a | 0

| A accepté

Question

How to Approximate Chi Square?
Hi, I wish to get the Chi square distribution value for a given confidence and a given number of degrees of freedom (instead ...

environ 8 ans il y a | 1 réponse | 0

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Question

Mex bad allocation error
Hi, I have a mex file which i run from matlab. It works fine. However, if i try to run it multiple times in a loop ( about...

plus de 8 ans il y a | 1 réponse | 0

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Question

why does probplot return negative/larger than 1 values ?
Hi, h=probplot(Y); is supposed to show the probability distrbution of the values in Y. so probability cant be negative ...

plus de 8 ans il y a | 2 réponses | 0

2

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Question

How to interpolate colors and plot as an image?
Hi, I have nine points (X,Y coordinate) and the color in each point (currentl in three vectors). I wish to show an image of t...

plus de 8 ans il y a | 1 réponse | 0

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Question

How to get around out of memory issue
Hi, I have a set of 3d points (x,y,z). I wish to compute the distance between every point and all of the other points in the ...

presque 9 ans il y a | 2 réponses | 0

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A répondu
How to use MEX with PCL
so i solved it eventually. The main problem was that i used C++ in a C file. so first thing i did was to change the file to .cp...

presque 9 ans il y a | 2

| A accepté

Question

mex usage efficiency question
Hi, I am new to mex. im using mex with PCL (Point Cloud Library). what i want to do is calculate different features of the poi...

presque 9 ans il y a | 1 réponse | 0

1

réponse

Question

How to use MEX with PCL
Hi, so im new to mex but very familiar with matlab. im trying to use PCL with MEX but i keep getting a lot of errors that i do...

presque 9 ans il y a | 2 réponses | 0

2

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Question

how to extract rgb color image from surface height colormap
Hi all, I wrote the code attached below. what i wish to do now (and not sure how) is create an RGB image from the colors that...

environ 9 ans il y a | 1 réponse | 0

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réponse

Question

how to draw multiple patches with different number of vertices?
Hi, I am trying to draw many patches which have a different number of vertices. I have the vertices stored in the matrix V wi...

environ 9 ans il y a | 2 réponses | 0

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réponses

Question

how to plot multiple implicit quadratic surfaces at once ?
Hi, so i wrote the following code to plot a single quadratic implicit surface based on the ezimplot3 function from matlab ex...

plus de 9 ans il y a | 1 réponse | 0

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réponse

Question

what is the best way to plot an implicit surface ?
Hi, I wish to plot the following surface functions (quadratics) in a given domain : f(x,y,z)=a+b*x+c*y+d*z+e*x^2+f*y^2+g*z...

plus de 9 ans il y a | 2 réponses | 0

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Question

Is there a faster way to plot wireframe cubes from their centers and sizes?
Hi, so i wrote the attached function. I will be working with many cubes so i was wondering if there is a better implementat...

plus de 9 ans il y a | 2 réponses | 1

2

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Question

is there a code to open and run all m files in a folder?
Hi, I have multiple (about 50) different .m files in a folder. I wish to open and run each and every one of them using a matlab...

environ 10 ans il y a | 5 réponses | 0

5

réponses

Question

how to visually pick graphic objects
Hi, I defined a 3d "world" in matlab (axes). within this "world" i draw a few graphic objects (cubes and spheres using patch an...

plus de 10 ans il y a | 1 réponse | 0

1

réponse

Question

how to make color and lighting continuouse using patch
Hi, im trying to visualize 3d objects in MATLAB. when i used the following script i wrote clear all; close all ...

plus de 10 ans il y a | 1 réponse | 0

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