نتایج جستجو برای: project background

تعداد نتایج: 1064749  

Journal: :Indian journal of dermatology, venereology and leprology 2000
S Malakar S Dhar

BACKGROUND We have been observing that a significant proportion of our patients, especially females, have certain pigmentary demarcation lines (PDL) over the face. However, systematic studies of the subject are lacking. AIMS We categorized the different clinical patterns of facial PDLs in the Indian subpopulation and assessed their prevalence in this study. METHODS About 4000 consecutive pa...

2006
Yi Wang Pietro Perona Claudio Fanti

Automatic segmentation of foreground from background in video sequences has attracted lots of attention in computer vision. Two different implementations have been completed during the summer. The first one is known as “background subtraction”. The foreground is segmented from the background by directly subtracting a mean background image B from each frame, and retaining those parts of the fram...

2015
Benjamin Laugraud Philippe Latour Marc Van Droogenbroeck

By construction, a video is a series of ordered frames, whose order is defined at the time of the acquisition process. Background subtraction methods then take this input video and produce a series of segmentation maps expressed in terms of foreground objects and scene background. To our knowledge, this natural ordering of frames has never been questioned or challenged. In this paper, we propos...

2002
George Lazarides

The early universe according to the big bang and the grand unified theories is discussed. The shortcomings of big bang are summarized together with their resolution by inflationary cosmology. Inflation, the subsequent oscillation and decay of the inflaton, and the resulting ‘reheating’ of the universe are studied. The density perturbations produced by inflation and the temperature fluctuations ...

2006
Gabriel Skantze Jens Edlund Rolf Carlson

This paper presents the current status of the research in the Higgins project and provides background for a demonstration of the spoken dialogue system implemented within the project. The project represents the latest development in the ongoing dialogue systems research at KTH. The practical goal of the project is to build collaborative conversational dialogue systems in which research issues s...

2013
James R. Houck

We have repeated our earlier observations of the Infrared and submllllmeter background radiation. While the measured values of the infrared background radiation remain unchanged, we have failed to observe the high flux previously reported for the 0.4 to 1.3 mm range. This indicates that the flux cannot have been galactic or cosmic, but further observations are needed to rule out a solar cycle d...

2002
Yutaka Satoh Hideki Tanahashi Caihua Wang Shun'ichi Kaneko Yoshinori Niwa Kazuhiko Yamamoto

We propose a novel statistical measure for robust event detection, called ’Radial Reach filter’ (RRF). The capability of detecting new objects (events) from a time-series image is an important problem of vision systems. The usual method of detecting new objects is simple background subtraction that is to subtract current image from a background image. However, simple background subtraction is s...

2005
S. Heifets Qing Qin M. Zolotorev

The sudden drop of the beam life time and bursts of background radiation were detected in many machines and associated with microscopic dust particles. We present the model of the dust particle dynamics explaining the long time of the dust events observed in the PEP-II B-factory and BEPC-II machines.

Journal: :Journal of clinical microbiology 2006
A Vindel P Trincado E Gómez R Cabrera T Boquete C Solá S Valdezate J A Saez-Nieto

Pulsed-field gel electrophoretic analysis of 2,144 methicillin-resistant Staphylococcus aureus (MRSA) strains isolated from patients in Spanish hospitals over a 7-year period revealed 17 predominant profiles. Typing showed the replacement of Iberian clone E1 (ST247-MRSA-I) by two prevalent clones, E7 and E8, that are closely related to each other and have the same genetic background as ST125-MR...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه یزد 1390

the debate whether esp teachers need to have knowledge of the specialized field they are teaching has been an issue in the literature over the last two decades. the aim of conducting this study was to explore iranian learners’ and instructors’ beliefs and attitudes concerning the role of specialized knowledge in teaching esp classes. a seventeen item questionnaire was administered to 400 esp le...

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