Describing shapes by geometrical-topological properties of real functions

S Biasotti, L De Floriani, B Falcidieno… - ACM Computing …, 2008 - dl.acm.org
Differential topology, and specifically Morse theory, provide a suitable setting for formalizing
and solving several problems related to shape analysis. The fundamental idea behind …

Recent trends, applications, and perspectives in 3d shape similarity assessment

S Biasotti, A Cerri, A Bronstein… - Computer graphics …, 2016 - Wiley Online Library
The recent introduction of 3D shape analysis frameworks able to quantify the deformation of
a shape into another in terms of the variation of real functions yields a new interpretation of …

Betti numbers in multidimensional persistent homology are stable functions

A Cerri, BD Fabio, M Ferri, P Frosini… - … Methods in the Applied …, 2013 - Wiley Online Library
Multidimensional persistence mostly studies topological features of shapes by analyzing the
lower level sets of vector‐valued functions, called filtering functions. As is well known, in the …

Multidimensional size functions for shape comparison

S Biasotti, A Cerri, P Frosini, D Giorgi… - Journal of Mathematical …, 2008 - Springer
Size Theory has proven to be a useful framework for shape analysis in the context of pattern
recognition. Its main tool is a shape descriptor called size function. Size Theory has been …

Natural pseudo-distance and optimal matching between reduced size functions

M d'Amico, P Frosini, C Landi - Acta applicandae mathematicae, 2010 - Springer
This paper studies the properties of a new lower bound for the natural pseudo-distance. The
natural pseudo-distance is a dissimilarity measure between shapes, where a shape is …

Persistent topology for natural data analysis—A survey

M Ferri - Towards Integrative Machine Learning and Knowledge …, 2017 - Springer
Natural data offer a hard challenge to data analysis. One set of tools is being developed by
several teams to face this difficult task: Persistent topology. After a brief introduction to this …

A new algorithm for computing the 2-dimensional matching distance between size functions

S Biasotti, A Cerri, P Frosini, D Giorgi - Pattern Recognition Letters, 2011 - Elsevier
Size Theory has proven to be a useful geometrical/topological approach to shape
comparison. Originally introduced by considering 1-dimensional properties of shapes …

Combining persistent homology and invariance groups for shape comparison

P Frosini, G Jabłoński - Discrete & Computational Geometry, 2016 - Springer
Persistent homology has proven itself quite efficient in the topological and qualitative
comparison of filtered topological spaces, when invariance with respect to every …

[PDF][PDF] Quantifying 3D Shape Similarity Using Maps: Recent Trends, Applications and Perspectives.

S Biasotti, A Cerri, AM Bronstein… - Eurographics (state of …, 2014 - researchgate.net
Shape similarity is an acute issue in Computer Vision and Computer Graphics that involves
many aspects of human perception of the real world, including judged and perceived …

Erosion distance for generalized persistence modules

V Puuska - arXiv preprint arXiv:1710.01577, 2017 - arxiv.org
The persistence diagram of Cohen-Steiner, Edelsbrunner, and Harer was recently
generalized by Patel to the case of constructible persistence modules with values in a …