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Nuno


FEUP

Active since 2015

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Question


Create a colormap for scatter3
Hello! I have this code: m = 161; map = zeros(m , 3); T = [120, 120, 120 % dark 1, 0, ...

9 years ago | 1 answer | 0

1

answer

Question


Direction of a cone and 3D point is inside or not on cone!!!!
Hello! I have the follow cone code: r = 112.0; % radius h = 100.0; % heigth m = (h/r); [R,A] = meshgrid(linsp...

9 years ago | 0 answers | 0

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answers

Answered
How can you use coneplot to plot a single cone in a specific direction?
Hello! How you change the direction?

9 years ago | 0

Question


How i change cone direction and how i verify if a 3D point is inside of cone?
Hello! I have the follow cone code: r = 112.0; h = 100.0; m = (h/r); [R,A] = meshgrid(linspace(0,r,11),linspace(0,...

9 years ago | 1 answer | 0

1

answer

Answered
Error in the total number of file count
It's ok now :) Thanks

9 years ago | 0

Question


Error in the total number of file count
Hello everyone! I need to make the dicom file count in a directory and i try the following code: dirname = uigetdir([]);...

9 years ago | 2 answers | 1

2

answers

Question


How i recall a variable?
Hello everyone! I am building a graphic interface in Matlab, and in starting window i select one value (1 or 0) and save it i...

9 years ago | 1 answer | 0

1

answer

Question


Limits of sphere to obtain points
Hello everyone! I have multiple points (nodes). And i plot (plot3) a sphere with coordinates of center x0,y0 and z0 with radi...

9 years ago | 1 answer | 0

1

answer

Question


Circumference and cone in plot3
Hello everyone! How I represent a circumference in a figure of Plot3? (i have the coordinates x,y and z of center and radius)...

9 years ago | 1 answer | 0

1

answer

Question


Number to string variable
Hello everyone! I have: z1=12; eq='(z-z1)^2'; Is it possible put value z1 into the eq variable (string)? Thanks

9 years ago | 1 answer | 0

1

answer

Answered
How to solve 4 nonlinear equations (in 4 unknowns) ITERATIVELY
this can be applied to this I have x1,y1,z1,x2,y2,z2,x3,y3,z3,x4,y4,z4 (x0-x1)^2+(y0-y1)^2+(z0-z1)^2=r^2 (x0-x2)^2+(y0-y2...

9 years ago | 0

Question


How i solve a non linear equation with 4 unknowns??
Hello everyone! I'm trying to find the center(x0,y0,z0) and radius (r) of the circle/circumference. I I have 4 points with co...

9 years ago | 0 answers | 0

0

answers

Answered
How can i improve the segmentation?
Doesn t work

9 years ago | 0

Answered
How can i improve the segmentation?
the image is here

9 years ago | 0

Question


How can i improve the segmentation?
Hello everyone, I'm trying to do the segmentation of medical image (dicom format). I automatically get the value of threshold ...

9 years ago | 3 answers | 0

3

answers

Question


Model reconstruction from CT slices
Hello everyone, I apologize if this topic was repeated but I have not found the solution yet. I have 537 DICOM images, and i ...

9 years ago | 2 answers | 0

2

answers