Answered
triangles generated by isosurface
Hi Sayed, unfortunately there are no built-in Matlab functions that would allow you to regularize your mesh. There is, however,...

13 years ago | 0

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Answered
Get line properties from it's handle
try this: x=get(lineHandle,'XData'); y=get(lineHandle,'YData'); x and y variables respectively should be the x and y ...

13 years ago | 1

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Identify decaying or growing sinusoidal graph
find the peaks, order them according to time and compare their magnitudes. see: http://www.mathworks.com/matlabcentral/fileex...

13 years ago | 0

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Answered
why fmincon optimizer does not optimize my last variable ?
it seems that your cost function is independent of that last variable

13 years ago | 0

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Answered
How to smooth an edge. I need you help very urgent
If you have IPT see the documentation for 'bwmorph' function. Amongst other things it allows you to remove spurious details of t...

13 years ago | 0

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Answered
Minimizing mean square error for a body tracking problem
No pen and paper necessary. Here is code for the function that I already have: function [R,t,s]=SymTformParams(Xref,Xsrc) ...

13 years ago | 0

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Answered
Minimizing mean square error for a body tracking problem
If point correspondences are known, do the following: 1) solve for translation, by comparing the centroids of the landmark se...

13 years ago | 0

Answered
Clean-up isosurface output
http://www.mathworks.com/matlabcentral/fileexchange/27667-splitfv-split-a-mesh

14 years ago | 1

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Answered
Shape analysis to distinguish different objects?
see this paper: Mingqiang et al. (2008) "A Survey of Shape Feature Extraction Techniques"

14 years ago | 0

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Answered
Improve the quality of 3D triangle meshes (surface meshes)
Based on your previous question, I am assuming that you are extracting your mesh from an implicit surface representation. If tha...

14 years ago | 0

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Answered
Reduce the size of isosurface output
doc reducepatch

14 years ago | 0

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Answered
Interpolation, sigmoid curve
you mean extrapolate into the future, not interpolate ... If you have Optimization Toolbox, you can try fitting the generalized ...

14 years ago | 0

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Answered
3D Mesh morphing
Before morphing, you first have to establish dense point correspondences between the two surfaces. You can address this problem ...

14 years ago | 4

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Answered
How to crop out the object from the image and then store the objects in the image?
Assuming you have Image Processing Toolbox you can try the code below. You can also easily modify it to suit your needs. % ...

14 years ago | 3

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Answered
FFT vs Time Plot
What you want is called short time Fourier transform. Here is as example: http://www.mathworks.com/matlabcentral/fileexchange/15...

14 years ago | 0

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Answered
Probability distribution
If you have a univariate data then you can test it for normality using Anderson-Daarling test [1] or Kolmogorv-Smirnov test [2]....

14 years ago | 0

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Answered
Numerical Jacobian in Matlab
lsqnonlin is not designed for the purpose of evaluating Jacobians. I thought your main concern was that it does not evaluate the...

14 years ago | 0

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Answered
Numerical Jacobian in Matlab
Actually there is non problem what so ever. The Jacobian of your function is: J=@(x) [2*x(1) 2*x(2);3*x(2).*(x(1).*x(2))....

14 years ago | 0

Question


loadlibrary error
Hi, I have downloaded a set of functions for computing exact geodesic on a surface mesh from here : http://www.mathworks.com/...

14 years ago | 1 answer | 0

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answer

Answered
Overlap / Combine two image
By convention foreground is usually white (pixel value = 1) and background is black (pixel value = 0). Suppose IM is your origin...

14 years ago | 0

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Answered
how could i scan a curve and get a surface while i use an n*n*n matrix to represent a space?
1) To get the surface of revolution about some vector not aligned with y-axis, rotate your 2D binary image by that amount. After...

14 years ago | 1

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Answered
how could i scan a curve and get a surface while i use an n*n*n matrix to represent a space?
Try this: function BW=SolidOfRevolution(bw) % Rotate 2D binary image about the y-axis to get a 3D binary volume. % ...

14 years ago | 1

Answered
how could i scan a curve and get a surface while i use an n*n*n matrix to represent a space?
Hi Jianwei, so essentially what you are looking for is a surface of revolution. My question is why do you need an implicit repre...

14 years ago | 0

Answered
out of memory
Here is an example: N=6E4; % number of variables M=10; % number of samples % Simulate M samples and store them ...

14 years ago | 1

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Answered
out of memory
I am assuming what you really meant to say is that you have 65536 data points in R3 and you are trying to compute the covariance...

14 years ago | 0

Answered
How to export 3D image from matlab and import it into maya
Hi Ava, I am assuming the image you are working with has already been segmented (or labelled) into distinct components. If so...

14 years ago | 0

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