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by their geometrical shape

by Tobias H. Lauer, Stefan Wesarg, Evelyn A. Firle
"... method for segmenting markers only ..."
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method for segmenting markers only

Exploring Geometric Shapes with Touch

by Thomas Pietrzak, Andrew Crossan, Stephen A. Brewster, Benoît Martin, Isabelle Pecci
"... Abstract. We propose a new technique to help users to explore geometric shapes without vision. This technique is based on a guidance using directional cues with a pin array. This is an alternative to the usual technique that consists of raising the pins corresponding to dark pixels around the cursor ..."
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Abstract. We propose a new technique to help users to explore geometric shapes without vision. This technique is based on a guidance using directional cues with a pin array. This is an alternative to the usual technique that consists of raising the pins corresponding to dark pixels around

Pictorial interference with geometric shapes and achromatic shades

by Richard P. Compton, John H. Flowers, Richard P. Compton, John H. Flowers - Perception & Psychophysics , 1977
"... Pictorial interference with geometric shapes and ..."
Abstract - Cited by 2 (0 self) - Add to MetaCart
Pictorial interference with geometric shapes and

Geometric Shape Detection with Soundview

by K. Van Den Doel, D. Smilek, A. Bodnar, C. Chita, R. Corbett, D. Nekrasovski, J. Mcgrenere - In Proceedings of the International Conference on Auditory Display (ICAD , 2004
"... We present the results of user studies that were performed on sighted people to test their ability to detect simple shapes with SoundView. SoundView is an experimental vision substitution system for the blind. Visual images are mapped onto a virtual surface with a fine-grained color dependent roughn ..."
Abstract - Cited by 3 (1 self) - Add to MetaCart
We present the results of user studies that were performed on sighted people to test their ability to detect simple shapes with SoundView. SoundView is an experimental vision substitution system for the blind. Visual images are mapped onto a virtual surface with a fine-grained color dependent

RECTANGULAR LATTICES AS GEOMETRIC SHAPES

by E. Tamás Schmidt
"... Rectangular lattices were introduced by Grätzer-Knapp [3] for planar semimod-ular lattices. This notion is an important tool by the description of planar semi-modular lattices. J(L) denotes the order of all nonzero join-irreducible elements of L and J0(K) is J(L) ∪ 0. Let X,Y be posets. The disjoi ..."
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Rectangular lattices were introduced by Grätzer-Knapp [3] for planar semimod-ular lattices. This notion is an important tool by the description of planar semi-modular lattices. J(L) denotes the order of all nonzero join-irreducible elements of L and J0(K) is J(L) ∪ 0. Let X,Y be posets. The disjoint sum X+Y of X and Y is the set of all elements in X and Y considered as disjoint. The relation ≤ keeps its meaning in X and in Y, while neither x ≥ y nor x ≤ y for all x ∈ X, y ∈ Y. If R is a rectangular slim semimodular lattice then J(R) is the disjoint sum of two chains C1 and C2 wich means that that x ∈ C1, x ∈ C2 are incomparable. The width w(P) of a (finite) order P is defined to be max{n: P has an n-element antichain}. The width of J(L) is called the dimension of a semimodular lattice L and will be denoted by dim(R). An other dimension concept is Dim(L). n = Dim(L) is the greatest integer such that L contains a sublattice isomorphic to the 2n-element boolean lattice. If L is a distributive lattice then dim(L) = Dim(L). On the other hand Dim(M3) = 2 and dim(M3) = 3.

Geometric shape recognition using fuzzy and neural techniques

by Ioan Z. Mihu, Arpad Gellert, Cosmin N. Suciu - In Proceedings of the 11th International Scientific Symposium SINTES 11 , 2003
"... Abstract: This paper is focused on on-line geometric shape recognition (Ulgen et al. 1999) based on fuzzy techniques and backpropagation neural algorithm. We propose a new method for geometric shape recognition using a fuzzy classifier of angles and a multilayer neural network for training and class ..."
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Abstract: This paper is focused on on-line geometric shape recognition (Ulgen et al. 1999) based on fuzzy techniques and backpropagation neural algorithm. We propose a new method for geometric shape recognition using a fuzzy classifier of angles and a multilayer neural network for training

Using Fuzzy Logic to Recognize Geometric Shapes Interactively

by Manuel J. Fonseca, Joaquim A. Jorge , 2000
"... This paper presents a simple method, based on fuzzy logic, to recognize multi-stroke sketches of geometric shapes and uni-stroke gestural commands. It uses temporal adjacency and global geometric properties of figures to recognize a simple vocabulary of geometric shapes drawn in different line style ..."
Abstract - Cited by 37 (6 self) - Add to MetaCart
This paper presents a simple method, based on fuzzy logic, to recognize multi-stroke sketches of geometric shapes and uni-stroke gestural commands. It uses temporal adjacency and global geometric properties of figures to recognize a simple vocabulary of geometric shapes drawn in different line

Geometric Shape Approximation via Linearization

by Sariel Har-peled, Kasturi R. Varadarajan , 2001
"... Shape approximation is an important optimization problem in computational geometry. ..."
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Shape approximation is an important optimization problem in computational geometry.

A Simple Approach to Recognise Geometric Shapes Interactively

by Joaquim A. Jorge, Manuel J. Fonseca - PROCEEDINGS OF GREC’99 , 1999
"... This paper presents a simple method to recognise multi-stroke sketches of geometric shapes. It uses temporal adjacency and global geometric properties of figures to recognise a simple vocabulary of geometric shapes including solid and dashed line styles, selection and delete gestures. The geomet ..."
Abstract - Cited by 11 (2 self) - Add to MetaCart
This paper presents a simple method to recognise multi-stroke sketches of geometric shapes. It uses temporal adjacency and global geometric properties of figures to recognise a simple vocabulary of geometric shapes including solid and dashed line styles, selection and delete gestures

through geometric shape evaluation and meshing

by Marco Tuveri, Alessandro Ceruti, Pier Marzocca
"... Added masses computation for unconventional airships and aerostats ..."
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Added masses computation for unconventional airships and aerostats
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