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PRL
2007
108views more  PRL 2007»
13 years 7 months ago
Towards a measure of deformability of shape sequences
In this paper we develop a theory for characterizing how deformable a shape is given a sequence of its observations. We define a term called ‘‘deformability index’’ (DI) ...
Amit K. Roy Chowdhury
MIR
2010
ACM
179views Multimedia» more  MIR 2010»
13 years 6 months ago
Speculation on the generality of the backward stepwise view of PCA
A novel backwards viewpoint of Principal Component Analysis is proposed. In a wide variety of cases, that fall into the area of Object Oriented Data Analysis, this viewpoint is se...
J. S. Marron, Sungkyu Jung, Ian L. Dryden
CVPR
2004
IEEE
14 years 9 months ago
Elastic-String Models for Representation and Analysis of Planar Shapes
We develop a new framework for the quantitative analysis of shapes of planar curves. Shapes are modeled on elastic strings that can be bent, stretched or compressed at different r...
Washington Mio, Anuj Srivastava
ICIAR
2010
Springer
13 years 6 months ago
Geometrical Characterization of Various Shaped 3D-Aggregates of Primary Spherical Particules by Radial Distribution Functions
Abstract. Multi-scale aggregates are composed of particles which results themselves of agglomeration of other primary particles. If particles are modeled by their centers, the geom...
Marthe Lagarrigue, Johan Debayle, Sandra Jacquier,...
PAMI
2000
95views more  PAMI 2000»
13 years 7 months ago
Boundary Finding with Prior Shape and Smoothness Models
Yongmei Wang, Lawrence H. Staib