نتایج جستجو برای: research background

تعداد نتایج: 2123816  

Journal: :MATEC web of conferences 2022

With the application of big data technology becoming more and mature, in process computer education higher vocational colleges, we should adapt to basic environment rapid development intelligent technology, stress professional characteristics, it is necessary work out a talent training plan that integrates reconstruct mode teaching idea, improve efficiency talents colleges. Based on environment...

Journal: :ITM web of conferences 2022

In order to solve the problem that traditional moving target tracking algorithm is vulnerable interference and difficult accurately track for a long time, we first introduce common under dynamic background, then determine KCF which has better effect real-time performance. Then, aiming at of box offset in longtime tracking, combining Kalman filter proposed. Finally, actual proves be effective.

2005
Andreas Griesser

This report presents a GPU-based foreground-background segmentation that processes image sequences in less than 4ms per frame. Change detection wrt. the background is based on a color similarity test in a small pixel neighbourhood, and is integrated into a Bayesian estimation framework. An iterative MRF-based model is applied, exploiting parallelism on modern graphics hardware. Resulting segmen...

2008
Hsiao-Wen Chen

We present a complete catalogue of 27 O VI absorbers at low redshift (0.12 < z < 0.5) from a blind survey of 16 QSO echelle spectra in the HST/STIS data archive. These absorbers are identified based only upon matching line profiles and the expected doublet ratio between the λλ 1031, 1037 transitions. Subsequent searches are carried out to identify their associated transitions. Here we present a...

Journal: :Journal of radiological protection : official journal of the Society for Radiological Protection 2001
J F Lecomte C Schieber

Following the invitation from IRPA to comment on the article written by Professor Roger Clarke entitled 'Control of low-level radiation exposure: time for a change?', the Board of the French Society for Radiation Protection (SFRP) decided to set up a working group on 'controllable dose'. The latter, which worked from April 1999 to July 2000, consisted of some 20 members representing the stakeho...

Journal: :Journal of nuclear medicine : official publication, Society of Nuclear Medicine 2006
Orhan H Suleiman Richard Fejka Florence Houn Maria Walsh

In the United States, human research involving radioactive drugs must be conducted under a Food and Drug Administration (FDA) investigational new drug (IND) application, unless specifically exempt from IND requirements, or under the direct oversight of a Radioactive Drug Research Committee (RDRC) as long as certain conditions are met. Research overseen by RDRCs is considered basic science resea...

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