63 total contributions 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.

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...

1 year ago | 4 downloads |

Submitted

3DmFV-Net : Point Cloud classification using 3D CNNs

A MATLAB implementation of 3DmFV-Net - A 3D Point cloud classification network.

1 year ago | 11 downloads |

Question

3D equivalent to depthConcatenationLayer?

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

1 year ago | 0 answers | 0

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...

1 year ago | 1 answer | 0

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...

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...

1 year ago | 0

Submitted

Curvature Estimationl On triangle mesh

Computes curvature and curvature derivative tensors in each vertex of a triangle meshes

1 year ago | 12 downloads |

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...

2 years ago | 2 answers | 0

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) ...

3 years ago | 1 answer | 0

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...

4 years ago | 0 answers | 0

Solved

Pizza!

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

4 years 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...

4 years ago | 2 answers | 0

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...

4 years ago | 0 answers | 0

Answered

How to Approximate Chi Square?

Hi, I eventually found what i needed. its chi2inv function, thanks

How to Approximate Chi Square?

Hi, I eventually found what i needed. its chi2inv function, thanks

4 years 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 ...

4 years ago | 1 answer | 0

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...

4 years ago | 0 answers | 0

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 ...

5 years ago | 2 answers | 0

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...

5 years ago | 0 answers | 0

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 ...

5 years ago | 2 answers | 0

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...

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...

5 years 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...

5 years ago | 1 answer | 0

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...

5 years ago | 2 answers | 0

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...

5 years ago | 1 answer | 0

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...

5 years ago | 2 answers | 0

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...

6 years ago | 1 answer | 0

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...

6 years ago | 2 answers | 0

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...

6 years ago | 2 answers | 1

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...

6 years ago | 5 answers | 0

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...

6 years ago | 1 answer | 0

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 ...

6 years ago | 0 answers | 0