نتایج جستجو برای: by geometrical positioning

تعداد نتایج: 7077804  

2005
Donato Malerba Michelangelo Ceci Annalisa Appice

Mining regression models from spatial data is a fundamental task in Spatial Data Mining. We propose a method, namely Mrs-SMOTI, that takes advantage from a tight-integration with spatial databases and mines regression models in form of trees in order to partition the sample space. The method is characterized by three aspects. First, it is able to capture both spatially global and local effects ...

Journal: :Computer-Aided Design 2008
Adrien Theetten Laurent Grisoni Claude Andriot Brian A. Barsky

In this paper, we propose a complete model handling physical simulation of deformable 1D objects. We formulate continuous expressions for stretching, bending and twisting energies. These expressions are mechanically rigorous and geometrically exact. Both elastic and plastic deformations are handled to simulate a wide range of materials. We validate the proposed model on several classical test c...

Journal: :Trends in genetics : TIG 2010
Lu Bai Alexandre V Morozov

To achieve high compaction, most genomic DNA in eukaryotes is incorporated into nucleosomes; however, regulatory factors and transcriptional machinery must gain access to chromatin to extract genetic information. This conflict is partially resolved by a particular arrangement of nucleosome locations on the genome. Across all eukaryotic species, promoters and other regulatory sequences are more ...

2014
Massimo Mastrangeli Gari Arutinov Edsger C. P. Smits Pierre Lambert

Originally applied to the accurate, passive positioning of submillimetric devices, recent works proved capillary self-alignment as effective also for larger components and relatively large initial offsets. In this paper, we describe an analytic quasi-static model of 1D capillary restoring forces that generalizes existing geometrical models and extends the validity to large displacements from eq...

Journal: :Journal of Computer and System Sciences 2014

2016
Erwin J. Alles Sacha Noimark Edward Zhang Paul C. Beard Adrien E. Desjardins

A miniature, directional fibre-optic acoustic source is presented that employs geometrical focussing to generate a nearly-collimated acoustic pencil beam. When paired with a fibre-optic acoustic detector, an all-optical ultrasound probe with an outer diameter of 2.5 mm is obtained that acquires a pulse-echo image line at each probe position without the need for image reconstruction. B-mode imag...

حبیب اله اسماعیلی, عطیه منصوری فتانه نظری معصومه کردی

Background and Purpose: Left to their own choice, parturients will usually select positions they find most comfortable and will frequently change their positions over the course of labor. Maternal changing the positions will adjust fetus alignment to pass through the birth canal. Therefore, maternal positioning choice will include those positions with maximum comfort and those which improve the...

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