Build Your Own 3D Scanner: Surface Reconstruction

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Course Schedule TexPoint fonts used in EMF. Read the TexPoint manual before you delete this box.: A A A A A A A A

[object Object],Multiple scans must be merged to cover the whole object surface ,[object Object],[object Object],Merging Multiple Point Cloud Scans

A densely sampled point cloud covering the whole surface of the object usually requires merging many scans Merging Point Cloud Scans

http://www.research.ibm.com/pieta Shape Appearance Complex Models May Require 100s of Scans

Merging Point Cloud Scans ,[object Object],[object Object]

Merging Two Point Cloud Scans ,[object Object],[object Object],[object Object],User input is OK for small models Moving Fixed P. Besl, N.D. McKey, A method for Registration of 3D Shapes . IEEE Transactions on PAMI, 1992

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Computing the Matching Transformation Fixed Moving

Iterative Closest Point Algorithm (ICP) ,[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],Finding Closest Points

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Course Schedule

Surface Representations ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Connectivity / Watertight Surfaces ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Surface Reconstruction from Point Clouds ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],M. Kazhdan, M. Bolitho, H. Hoppe. Poisson Surface Reconstruction . European Symposium on Geometry Processing, 2006 W.E. Lorensen, H.E. Cline. Marching Cubes:A high resolution 3D surface reconstruction algorithm . Siggraph,1987

Curve Reconstruction from Point Clouds ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],Vector Field Isosurface (VFIso) P. Sibley, G. Taubin. Vectorfield Isosurface-based Reconstruction from Oriented Points . Siggraph, 2005 (Sketch)

Vector Field Isosurface (VFIso)

[object Object],[object Object],[object Object],[object Object],Elementary Mesh Processing

Polygon Mesh Smoothing / Denoising G. Taubin. A Signal Processing Approach To Fair Surface Design . Siggraph, 1995 ,[object Object],[object Object],Laplacian Smoothing Low Pass Filter N=10 N=40 N=240

Laplacian Smoothing ,[object Object],[object Object],[object Object],[object Object]

Laplacian Smoothing ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

A Simple Solution to the Shrinkage Problem G. Taubin. A Signal Processing Approach To Fair Surface Design . Siggraph, 1995 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],Poligon Mesh Simplification / Decimation ,[object Object],[object Object]

[object Object],[object Object],[object Object],Vertex Clustering

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Vertex Clustering Algorithm

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Vertex Clustering

[object Object],[object Object],[object Object],[object Object],[object Object],Edge Collapse Non-existing edges

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Basic Edge Collapse Algorithm

Build Your Own 3D Scanner: Surface Reconstruction

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