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ICA
2007
Springer
16 years 26 days ago
Hierarchical ALS Algorithms for Nonnegative Matrix and 3D Tensor Factorization
In the paper we present new Alternating Least Squares (ALS) algorithms for Nonnegative Matrix Factorization (NMF) and their extensions to 3D Nonnegative Tensor Factorization (NTF) ...
Andrzej Cichocki, Rafal Zdunek, Shun-ichi Amari
ICMCS
2006
IEEE
149views Multimedia» more  ICMCS 2006»
16 years 22 days ago
Semantic 3D Face Mesh Simplification for Transmission and Visualization
Three-dimensional data generated from range scanners is usually composed of a huge amount of information. Simplification and compression techniques must be adopted in order to red...
Alessandro Colombo, Claudio Cusano, Raimondo Schet...
ROBIO
2006
IEEE
122views Robotics» more  ROBIO 2006»
16 years 21 days ago
Non-smooth 3D Modeling of a Snake Robot with External Obstacles
Abstract— In this paper we extend a non-smooth 3D mathematical model of a snake robot to also include external obstacles to enable obstacle aided locomotion. The model is based o...
Aksel Andreas Transeth, Remco I. Leine, Christoph ...
ROBIO
2006
IEEE
181views Robotics» more  ROBIO 2006»
16 years 21 days ago
3D Grasp Synthesis Based on Object Exploration
— Many approaches to robotic grasping have focused on a specific aspect of the problem only, without considering its integrability with other related procedures in order to buil...
Eris Chinellato, Gabriel Recatalá, Angel P....
SMI
2005
IEEE
181views Image Analysis» more  SMI 2005»
16 years 8 days ago
A Tracing Algorithm for Constructing Medial Axis Transform of 3D Objects Bound by Free-Form Surfaces
This paper presents an algorithm for generating the Medial Axis Transform(MAT) of 3D objects with free-form boundaries. The algorithm proposed uses the exact representation of the...
M. Ramanathan, B. Gurumoorthy