Community Profile

photo

Itzik Ben Shabat


Last seen: mehr als ein Jahr ago Active since 2012

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.

Statistics

All
  • Personal Best Downloads Level 2
  • First Review
  • 5-Star Galaxy Level 4
  • GitHub Submissions Level 1
  • First Submission
  • First Answer
  • Revival Level 1
  • Thankful Level 4
  • Scavenger Finisher
  • Solver

View badges

Content Feed

View by

Submitted


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...

mehr als 3 Jahre ago | 3 downloads |

Thumbnail

Submitted


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

mehr als 3 Jahre ago | 4 downloads |

Thumbnail

Question


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

mehr als 3 Jahre ago | 0 answers | 0

0

answers

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...

mehr als 3 Jahre ago | 1 answer | 0

1

answer

Answered
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...

mehr als 3 Jahre ago | 0

Submitted


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

fast 4 Jahre ago | 13 downloads |

Thumbnail

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...

fast 5 Jahre ago | 2 answers | 0

2

answers

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) ...

etwa 5 Jahre ago | 1 answer | 0

1

answer

Submitted


VoxelPlotter
A voxel visualization tool.

etwa 6 Jahre ago | 19 downloads |

Thumbnail

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...

etwa 6 Jahre ago | 0 answers | 0

0

answers

Solved


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

etwa 6 Jahre ago

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...

etwa 6 Jahre ago | 2 answers | 0

2

answers

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...

mehr als 6 Jahre ago | 0 answers | 0

0

answers

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

mehr als 6 Jahre ago | 0

| accepted

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 ...

mehr als 6 Jahre ago | 1 answer | 0

1

answer

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...

fast 7 Jahre ago | 0 answers | 0

0

answers

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 ...

fast 7 Jahre ago | 2 answers | 0

2

answers

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...

etwa 7 Jahre ago | 0 answers | 0

0

answers

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 ...

mehr als 7 Jahre ago | 2 answers | 0

2

answers

Answered
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...

mehr als 7 Jahre ago | 2

| accepted

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...

mehr als 7 Jahre ago | 1 answer | 0

1

answer

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...

mehr als 7 Jahre ago | 2 answers | 0

2

answers

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...

mehr als 7 Jahre ago | 1 answer | 0

1

answer

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...

mehr als 7 Jahre ago | 2 answers | 0

2

answers

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...

etwa 8 Jahre ago | 1 answer | 0

1

answer

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...

etwa 8 Jahre ago | 2 answers | 0

2

answers

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...

etwa 8 Jahre ago | 2 answers | 1

2

answers

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...

mehr als 8 Jahre ago | 5 answers | 0

5

answers

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...

mehr als 8 Jahre ago | 1 answer | 0

1

answer

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 ...

fast 9 Jahre ago | 0 answers | 0

0

answers

Load more