نتایج جستجو برای: transition depth

تعداد نتایج: 418875  

2018
Daniel Leightley Moi Hoon Yap

The aim of this study was to compare the performance between young adults (n = 15), healthy old people (n = 10), and masters athletes (n = 15) using a depth sensor and automated digital assessment framework. Participants were asked to complete a clinically validated assessment of the sit-to-stand technique (five repetitions), which was recorded using a depth sensor. A feature encoding and evalu...

Journal: :CoRR 2017
Hui Wu Shiji Song Keyou You Cheng Wu

In this paper, we consider depth control problems of an autonomous underwater vehicle (AUV) for tracking the desired depth trajectories. Due to the unknown dynamical model of the AUV, the problems cannot be solved by most of modelbased controllers. To this purpose, we formulate the depth control problems of the AUV as continuous-state, continuous-action Markov decision processes (MDPs) under un...

Journal: :Nature communications 2015
Z Guguchia A Amato J Kang H Luetkens P K Biswas G Prando F von Rohr Z Bukowski A Shengelaya H Keller E Morenzoni Rafael M Fernandes R Khasanov

The superconducting gap structure in iron-based high-temperature superconductors (Fe-HTSs) is non-universal. In contrast to other unconventional superconductors, in the Fe-HTSs both d-wave and extended s-wave pairing symmetries are close in energy. Probing the proximity between these very different superconducting states and identifying experimental parameters that can tune them is of central i...

1995
S. Cotofana S. Vassiliadis

This technical report presents a new theoretical approach to the problem of switching networks synthesis with McCulloch-Pitts feed-forward neural networks. It is shown that any n-inputs periodical symmetric Boolean function Fp with the period T and the first positive transition at x = a can be implemented with a 1 + dlog n a T e depth and size network both measured in term of neurons, when a pe...

Journal: :Optics express 2012
Zhixing Chen Lu Wei Xinxin Zhu Wei Min

It is highly desirable to be able to optically probe biological activities deep inside live organisms. By employing a spatially confined excitation via a nonlinear transition, multiphoton fluorescence microscopy has become indispensable for imaging scattering samples. However, as the incident laser power drops exponentially with imaging depth due to scattering loss, the out-of-focus fluorescenc...

2003
Ariel Tankus Nir A. Sochen Yehezkel Yeshurun

Shape-from-Shading (SfS) is a fundamental problem in Computer Vision. The vast majority of research in this field have assumed orthography as its projection model. This paper re-examines the basis of SfS, the image irradiance equation, under an assumption of perspective projection. The paper also shows that the perspective image irradiance equation depends merely on the natural logarithm of the...

Journal: :فیزیک زمین و فضا 0
محمدرضا حاتمی مؤسسه ژئوفیزیک دانشگاه تهران، استادیار ظاهر حسین شمالی مؤسسه ژئوفیزیک دانشگاه تهران، استادیار غلام جوان دولویی پژوهشگاه بین المللی زلزله شناسی و مهندسی زلزله، استادیار

the source parameters and focal depth of the destructive mw 6.5, 31 march. 2006 iran- silakhor earthquake, the two largest foreshocks and a major aftershock are determined using broadband data from a seismic network in iran based on a time-domain linear moment tensor inversion. the earthquakes occurred in the zagros suture zone in western iran. waveform inversion of the selected events estimate...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده علوم اجتماعی 1393

the present study is paid to the evaluation of the welfare program of the unemployment insurance in iran. the main purpose which was the main reason for performing this thesis, was the unemployment insurance plan’s challenges in iran such as financial problems of this plan, prolongation of the credit receipt for some insured people, unemployment slow exiting from the unemployment insurance fund...

2004
Boris Lau Jochen Triesch

Following another person’s gaze in order to achieve joint attention is an important skill in human social interactions. This paper analyzes the gaze following problem and proposes a learning-based computational model for the emergence of gaze following skills in infants. The model acquires advanced gaze following skills by learning associations between caregiver head poses and positions in spac...

2005
Fraser Cameron Sung H. Chung

A lot of work has been done extracting depth from image sequences, and relatively less has been done using only single images. Very little has been done merging these together. This paper describes the fusing of depth estimation from two images, with monocular cues. The paper will provide an overview of the stereo algorithm, and the details of fusing the stereo range data with monocular image f...

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