نتایج جستجو برای: view time

تعداد نتایج: 2099412  

Journal: :Comptes rendus biologies 2006
Claude Debru

Two aspects of psychology and physiology of time are dealt with in this paper: the way time perception was increasingly studied during the 19th century by scientists, including many physicists, and the way the temporal properties of the nervous system were discovered and explored by physiologists. The neurophysiological correlation between both aspects still remains to be explained. The relatio...

Journal: :EURASIP J. Image and Video Processing 2010
Wei-Kai Liao Douglas Fidaleo Gérard G. Medioni

This paper addresses the problem of 3D face tracking from a monocular view. Dominant tracking algorithms in current literature can be classified as intensity-based or feature-based methods. Intensity-based methods track 3D faces based on the brightness constraint, assuming constant intensity of the face across adjacent frames. Feature-based trackers use local 2D features to determine sparse pai...

Journal: :The American journal of psychology 2012
P A Hancock Richard A Block

We selectively review the progress of research on the psychology of time during the past 125 years, starting with the publication of the first English-language psychological journal, The American Journal of Psychology. A number of important articles on the psychology of time appeared in this journal, including the widely cited early article by Nichols (1891). The psychology of time is a seminal...

2017
Yingying Xu Zhixin Liu Jichang Zhao Chiwei Su

This study provides new insights into the relationships between social media sentiments and the stock market in China. Based on machine learning, we classify microblogs posted on Sina Weibo, a Twitter's variant in China into five detailed sentiments of anger, disgust, fear, joy, and sadness. Using wavelet analysis, we find close positive linkages between sentiments and the stock return, which h...

2014
Martin R. Oswald Daniel Cremers

We propose a convex variational approach to space-time reconstruction which estimates surface normal information and integrates it into the photoconsistency estimation as well as into an anisotropic spatio-temporal total variation regularization. As such the proposed method generalizes the works [4], [5]. Although [4] already studied anisotropic regularization they did not estimate normals but ...

Journal: :پژوهش های جغرافیای طبیعی 0
مسعود مرادی دانشجوی دورة دکتری تخصصی آب وهواشناسی، دانشگاه محقق اردبیلی برومند صلاحی دکتری تخصصی اقلیم شناسی، دانشیار گروه جغرافیای طبیعی دانشگاه محقق اردبیلی سیدابوالفضل مسعودیان دکتری تخصصی اقلیم شناسی، استاد گروه جغرافیای طبیعی دانشگاه اصفهان

introduction: the modis facility for the earth observing system is a key element that supports ambitious goals related to studying the earth as a system. one of the modis products is high quality land surface temperature data that product in terra and aqua platforms. knowledge of the lst provides information on the temporal and spatial variations of the surface equilibrium state and is of funda...

2004
Ming Li

This thesis discusses fast novel view synthesis from multiple images taken from different viewpoints. We propose several new algorithms that take advantage of modern graphics hardware to create novel views. Although different approaches are explored, one geometry representation, the visual hull, is employed throughout our work. First the visual hull plays an auxiliary role and assists in recons...

2009
Christian Vogel C. Vogel

The idea of time-interleaved ADCs (TI-ADCs) is old, but it took more than 25 years until the requirements on converters and the possibility of advanced digital post correction made this architecture attractive. We investigate timeinterleaved ADCs with a focus on the involved signal processing. By establishing a discrete-time model of a TI-ADC, we explicitly show that a TI-ADC with mismatches is...

Journal: :Image Vision Comput. 2002
Yi Li Adrian Hilton John Illingworth

In this paper we address the problem of reliable real-time 3D-tracking of multiple objects which are observed in multiple wide-baseline camera views. Establishing the spatio-temporal correspondence is a problem with combinatorial complexity in the number of objects and views. In addition vision based tracking suffers from the ambiguities introduced by occlusion, clutter and irregular 3D motion....

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