LRA: Local Rigid Averaging of Stretchable Non-rigid Shapes

Dan Raviv; Eduardo Bayro-Corrochano; Ramesh Raskar

doi:10.1007/s11263-017-1002-1

LRA: Local Rigid Averaging of Stretchable Non-rigid Shapes

Dan Raviv, Eduardo Bayro-Corrochano, Ramesh Raskar

School of Electrical Engineering

Tel Aviv University

Research output: Contribution to journal › Article › peer-review

Abstract

We present a novel algorithm for generating the mean structure of non-rigid stretchable shapes. Following an alignment process, which supports local affine deformations, we translate the search of the mean shape into a diagonalization problem where the structure is hidden within the kernel of a matrix. This is the first step required in many practical applications, where one needs to model bendable and stretchable shapes from multiple observations.

Original language	English
Pages (from-to)	132-144
Number of pages	13
Journal	International Journal of Computer Vision
Volume	124
Issue number	2
DOIs	https://doi.org/10.1007/s11263-017-1002-1
State	Published - 1 Sep 2017

Keywords

Affine invariant
Averaging shapes
Metric invariants
Non-rigid shapes
Non-rigid statistics
Shape space

All Science Journal Classification (ASJC) codes

Software
Computer Vision and Pattern Recognition
Artificial Intelligence

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10.1007/s11263-017-1002-1

Cite this

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title = "LRA: Local Rigid Averaging of Stretchable Non-rigid Shapes",

abstract = "We present a novel algorithm for generating the mean structure of non-rigid stretchable shapes. Following an alignment process, which supports local affine deformations, we translate the search of the mean shape into a diagonalization problem where the structure is hidden within the kernel of a matrix. This is the first step required in many practical applications, where one needs to model bendable and stretchable shapes from multiple observations.",

keywords = "Affine invariant, Averaging shapes, Metric invariants, Non-rigid shapes, Non-rigid statistics, Shape space",

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KW - Averaging shapes

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LRA: Local Rigid Averaging of Stretchable Non-rigid Shapes

Abstract

Keywords

All Science Journal Classification (ASJC) codes

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