نتایج جستجو برای: الگوریتم emd

تعداد نتایج: 24897  

ژورنال: مجله دندانپزشکی 2001
رکن, امیررضا , سمیاری, حسن , پاک نژاد, مژگان ,

The aim of the present study was the histological evaluation of Enamel Matrix Derivative (EMD) effectiveness for regeneration of periodontal defects. EMD activates cementum synthesis, PDL and bone during the maturation stage of follicole. In this research, EMD was used in surgical defects of premolar teeth in four adult sheep. Muccoperiosteal flap was reflected in buccal site of teeth. The bucc...

Journal: :Advances in Adaptive Data Analysis 2011
Minjeong Park Donghoh Kim Hee-Seok Oh

Empirical mode decomposition (EMD) is a data-driven technique that decomposes a signal into several zero-mean oscillatory waveforms according to the levels of oscillation. Most of the studies on EMD have focused on its use as an empirical tool. Recently, Rilling and Flandrin [2008] studied theoretical aspects of EMD with extensive simulations, which allow a better understanding of the method. H...

Journal: :Endocrinology 1997
J P Schro der-van der Elst D van der Heide H Rokos J Ko Hrle G Morreale de Escobar

The synthetic flavonoids EMD 23188 and EMD 49209, developed as T4 analogs, displace T4 from transthyretin, and in vitro they inhibit 5'-deiodinase activity. In vivo EMD 21388 causes tissue-specific changes in thyroid hormone metabolism. In tissues that are dependent on T3 locally produced from T4, total T3 was diminished. It was not known whether it was the presence of EMD interfering with 5'-d...

Journal: :Fogorvosi szemle 2007
Anton Sculean Péter Windisch Ferenc Döri Tibor Keglevich Balint Molnár István Gera

The goal of regenerative periodontal therapy is the reconstitution of the lost periodontal structures (i.e. the new formation of root cementum, periodontal ligament and alveolar bone). Results from basic research have pointed to the important role of the enamel matrix protein derivative (EMD) in the periodontal wound healing. Histological results from animal and human studies have shown that tr...

2006
Haibin Ling Kazunori Okada

We propose a fast algorithm, EMD-L1, for computing the Earth Mover’s Distance (EMD) between a pair of histograms. Compared to the original formulation, EMD-L1 has a largely simplified structure. The number of unknown variables in EMD-L1 is O(N) that is significantly less than O(N) of the original EMD for a histogram with N bins. In addition, the number of constraints is reduced by half and the ...

Chamandeep Kaur, Preeti Singh, Sukhtej Sahni,

Introduction: Clinicians use several computer-aided diagnostic systems for depression to authorize their diagnosis. An electroencephalogram  (EEG) may be used as an objective tool for early diagnosis of depression and controlling it from reaching a severe and permanent state. However, artifact contamination reduces the accuracy in EEG signal processing systems. Methods: This work proposes a no...

Journal: :Circulation 1981
J L Vincent L Thijs M H Weil S Michaels R A Silverberg

Electromechanical dissociation (EMD) is the most frequent cause of unsuccessful cardiac resuscitation in critically ill patients. In a clinical study of cardiac arrest, including 54 episodes in 50 fully monitored patients, 14 episodes of ventricular fibrillation were observed and seven were reversed. In the remaining 40 instances, 36 cases of EMD were initially observed. Four patients had asyst...

Journal: :Signal Processing 2011
Julien Fleureau Amar Kachenoura Laurent Albera Jean Claude Nunes Lotfi Senhadji

Empirical Mode Decomposition (EMD) is an emerging topic in signal processing research, applied in various practical fields due in particular to its data-driven filter bank properties. In this paper, a novel EMD approach called X-EMD (eXtended-EMD) is proposed, which allows for a straightforward decomposition of monoand multivariate signals without any change in the core of the algorithm. Qualit...

2012
Joshua Brody Hongyu Liang Xiaoming Sun

The Earth Mover Distance (EMD) between point sets A and B is the minimum cost of a bipartite matching between A and B. EMD is an important measure for estimating similarities between objects with quantifiable features and has important applications in several areas including computer vision. The streaming complexity of approximating EMD between point sets in a two-dimensional discretized grid i...

2014
Yong-Dae Kwon Hyun-jung Choi Heesu Lee Jung-Woo Lee Hans-Peter Weber Ahran Pae

PURPOSE The objective of this study was to investigate the biologic effects of enamel matrix derivative (EMD) with different concentrations on cell viability and the genetic expression of human gingival fibroblasts (HGF) to zirconia surfaces. MATERIALS AND METHODS Immortalized human gingival fibroblasts (HGF) were cultured (1) without EMD, (2) with EMD 25 µg/mL, and (3) with EMD 100 µg/mL on ...

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