نتایج جستجو برای: projective techniques

تعداد نتایج: 645909  

2001
Yao Jianchao

Image registration is one of the most important tasks in image processing. The algorithms of image registration are classified into two categories: the feature-based matching and intensity-based matching. Each of them has its strength and weakness. In this paper, by combining these two techniques together, we developed a new algorithm for image registration. The algorithm utilises a parametric ...

2008
S. C. Jones D. McVie G. Noble

The aim of this study was to investigate the underlying reasons for parents’ decisions about their children’s diets. This study used the projective methodologies of picture response and third-person techniques (projective questioning), which are designed to elicit people’s underlying motivations, beliefs, attitudes and concerns, particularly those beliefs which people find hard to articulate. W...

2002
DENNIS S. KEELER

1.1. Dissertation. In the past ten years a study of “noncommutative projective geometry” has flourished. By using and generalizing techniques of commutative projective geometry, one can study certain noncommutative rings and obtain results for which no purely algebraic proof is known. The most basic building block of the theory is the twisted homogeneous coordinate ring. Let X be a projective s...

2002
Maria Asunción Vicente Pablo Gil Óscar Reinoso Fernando Torres Medina

This paper presents an object recognition technique based on projective geometry for industrial pieces that satisfy geometric properties. First at all, we consider some methods of corner detection which are useful for the extraction of interest points in digital images. For object recognition by means of projective invariants, an excessive number of points to be processed supposes a greater com...

2008
Silvia Penati

Using 4D, N = 1 superfield techniques, a discussion of the 6D sigmamodel possessing simple supersymmetry is given. Two such approaches are described. Foremost it is shown that the simplest and most transparent description arises by use of a doublet of chiral scalar superfields for each 6D hypermultiplet. A second description that is most directly related to projective superspace is also present...

2012
D. ROGALSKI

These notes contain the material about noncommutative projective algebraic geometry that the author lectured on at the graduate workshop in June 2012 at MSRI. The notes generally contain everything covered in the lectures but may contain more than we are able to say in the lectures. Still, there are many facts we assume without proof in the lectures and for length reasons we generally do not pu...

2000
Marco Maggesi

In their paper “Quantum cohomology of projective bundles over IP” (Trans. Am. Math. Soc. (1998) 350:9 3615-3638) Z. Qin and Y. Ruan introduce interesting techniques for the computation of the quantum ring of manifolds which are projectivized bundles over projective spaces; in particular, in the case of splitting bundles they prove under some restrictions the formula of Batyrev about the quantum...

2014
A. Khan

In this paper, we have achieved adaptive hybrid function projective synchronization between two identical chaotic space-tether systems with uncertain time-varying parameters and with each system evolving from different initial conditions by applying adaptive control technique. Based on Lyapunov stability theory, adaptive control laws and parameter update laws for estimating the uncertain, timev...

1993
D. Huybrechts M. Lehn

During the last years there has been growing interest in vector bundles with additional structures, e.g. parabolic and level structures. This paper results from an attempt to construct quasi-projective moduli spaces for framed bundles, i.e. bundles together with an isomorphism to a fixed bundle on a divisor as introduced in [Do], [L1] and [Lü]. More generally one can ask for bundles with a homo...

2008
Silvia Penati

Using 4D, N = 1 superfield techniques, a discussion of the 6D sigmamodel possessing simple supersymmetry is given. Two such approaches are described. Foremost it is shown that the simplest and most transparent description arises by use of a doublet of chiral scalar superfields for each 6D hypermultiplet. A second description that is most directly related to projective superspace is also present...

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