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Mark Brophy

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PhD candidate in Computer Vision.


 

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14 Jul 2012 Iterative Closest Point An implementation of various ICP (iterative closest point) features. Author: Jakob Wilm

Jakob, when you run icp without version 7.3 of the statistics package while using the 'plane' option, it bombs out on the calculation of the normal.

It appears that the stats package returns the knn in a different format than the kNearestNeighbors method.

Error using ==> minus
Matrix dimensions must agree.

Error in ==> icp>lsqnormest at 547
P = (x - repmat(p_bar,1,k)) *
transpose(x -
repmat(p_bar,1,k)); %spd matrix
P

Error in ==> icp at 160
arg.Normals = lsqnormest(q,4);

22 Feb 2010 2D/3D image segmentation toolbox 2D/3D image segmentation using level-set based active contour/surface with AOS scheme Author: Yan Zhang

Hi Yan, thanks very much for the great software.

I am using your geodesic active contour model for 3d reconstruction. My problem is that I am having trouble updating the 'g' values on the surface. I have attempted to extract the surface using both Matlab's built-in isosurface and zy_binary_boundary_detection(uint8(phi>0)), but both of these commands only return a subset of the points on the surface. Basically, when I evolve the 3d surface, only a subset of the points 'move', so to speak.

Do you know how I might all points on the surface?

Cheers,
-Mark

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