Partial intrinsinc reflection symmetry of 3d shapes
Partial Intrinsinc reflection symmetry of 3d shapesElad
Walach
Reflection symmetry
Partial
intrinsic
ConceptsPIRSpartial intrinsic reflectional symmetry
IRSAIntrinsinc reflection symmetry axes
overview
In The beginning: prst
PRST = planar reflective symmetry transform 7PRST: Voting
Lets get 3dLines are not that simple!
No shape boundary.. We only have the manifold
Cant easily calculate the reflectionIRSA SCORE
Lets vote
Lets vote (II)
Four Filters of the Apocalypse
Similarity filterIs only p,q depndantHow similar is the point
environment
Distance filter
Locality
Axial symThe final filter makes sure the symmetry is axial
instead of point symmetry
Pool of all points who passed the filters so-far
Four Filters of the Apocalypse
IRSA Curves for the massesApplications : Segmentation
Results
More Results
Application: Part Repair
ConclusionPartial intrinsinc reflection symmetry of 3d
shapes
Uses:SegmentationPart repair
