نتایج جستجو برای: subtraction technique

تعداد نتایج: 620977  

2017
Federico Demartin Benedikt Maier Fabio Maltoni Kentarou Mawatari Marco Zaro

We study Higgs boson production in association with a top quark and a W boson at the LHC. At NLO in QCD, tWH interferes with [Formula: see text] and a procedure to meaningfully separate the two processes needs to be employed. In order to define tWH production for both total rates and differential distributions, we consider the diagram removal and diagram subtraction techniques that have been pr...

Journal: :iranian journal of radiology 0
maria del mar travieso aja imaging diagnostic service, san roque hospital group, las palmas, spain; imaging diagnostic service, san roque hospital group, las palmas, spain. tel: +34-928012600, fax: +34-928451461 purificacion munoz imaging diagnostic service, san roque hospital group, las palmas, spain mario rodriguez rodriguez imaging diagnostic service, san roque hospital group, las palmas, spain victor vega benitez department of surgery, insular and maternal and child hospitals (chuimi), las palmas, spain octavio p. luzardo research group in environment and health, research institute of biomedical and health sciences (iuibs), universidad de las palmas de gran canaria, las palmas, spain

up to 19% of breast malignancies may be missed by conventional imaging techniques, especially when they are concurrent or co-located with other benign lesions. however, more sensitive techniques, such as magnetic resonance imaging (mri), are often too expensive for routine use in developing countries. contrast-enhanced, dual-energy digital mammography (cesm) is a recently introduced imaging mod...

ژورنال: مجله دندانپزشکی 2004
پنج نوش, مهرداد, انبیائی, نجمه, طلایی پور, احمدرضا,

Statement of Problem: Subtraction is a newly presented radiography technique to detect minor density changes that are not visible by conventional radiography.Purpose: The aim of this In-vitro study was to evaluate the efficacy of photoshop subtraction software for detecting minor density changes between two dental images.Materials and Methods: In this research, five dried human mandibles were h...

Journal: :American Journal of Roentgenology 1986

2015
Uday Kumar T. Mohan Rao

Advantages and drawbacks of two common algorithms often employed in the moving target detection, background subtraction technique and frame distinction methodology are analyzed and compared during this paper. Then supported the background subtraction methodology, a BFSD target detection rule is projected. The background image used to process the next frame image is generated through superpositi...

2008
Sevil Salur S. Salur

Jet quenching measurements using leading particles and their correlations suffer from known biases, which can be removed via direct reconstruction of jets in central heavy ion collisions. In this talk, we discuss several modern jet reconstruction algorithms and background subtraction techniques that are appropriate to heavy ion collisions.

2010
G. Artese

For the vehicle detection and tracking in the roundabouts, several difficulties have to be faced, e.g. the use of non nadiral perspectives, vehicle images overlapping and radiometric differences between top and side of the cars; the silhouette of the cars is, besides, not regular and the size is variable. In the paper, the upgrade of a procedure for detecting and tracking vehicles in a roundabo...

2010
KYUNG HO KIM

In this paper, we introduced the concept of f -derivation which is a generalization of derivation in subtraction algebra, and some related properties are investigated.

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