نتایج جستجو برای: temporal process

تعداد نتایج: 1525386  

2010
LIU JiYuan

After one decade of development, the methods to explore the temporal and spatial process of LUCC (Land Use and Land Cover Change) have been vastly improved; and in some sense a methodology framework used to study the temporal and spatial process is being rapidly developed. The methodology framework is based on the integration of the classical theories of Geography and the recent developed techn...

This article presents a new feature extraction technique based on the temporal tracking of clusters in spectro-temporal features space. In the proposed method, auditory cortical outputs were clustered. The attributes of speech clusters were extracted as secondary features. However, the shape and position of speech clusters change during the time. The clusters temporally tracked and temporal tra...

2015
Todd J. Schwedt Visar Berisha Catherine D. Chong

BACKGROUND Interregional cortical thickness correlations reflect underlying brain structural connectivity and functional connectivity. A few prior studies have shown that migraine is associated with atypical cortical brain structure and atypical functional connectivity amongst cortical regions that participate in sensory processing. However, the specific brain regions that most accurately diffe...

1999
Hsin-Cheng HUANG

Suppose that a random process Z(s; t), indexed in space and time, has a spatio-temporal stationary covariance C(h; u), where h 2 IR d (d 1) is a spatial lag and u 2 IR is a temporal lag. Separable spatio-temporal covariances have the property that they can be written as a product of a purely spatial covariance and a purely temporal covariance. Their ease of deenition is counterbalanced by the r...

1999
Hsin-Cheng Huang

Suppose that a random process Z(s; t), indexed in space and time, has a spatio-temporal stationary covariance C(h; u), where h 2 IR d (d 1) is a spatial lag and u 2 IR is a temporal lag. Separable spatio-temporal covariances have the property that they can be written as a product of a purely spatial covariance and a purely temporal covariance. Their ease of deenition is counterbalanced by the r...

2014
Francesca Benuzzi Giovanna Zamboni Stefano Meletti Marco Serafini Fausta Lui Patrizia Baraldi Davide Duzzi Guido Rubboli Carlo Alberto Tassinari Paolo Frigio Nichelli

Mesial temporal lobe epilepsy (MTLE) can be associated with emotion recognition impairment that can be particularly severe in patients with early onset seizures (1-3). Whereas, there is growing evidence that memory and language can improve in seizure-free patients after anterior temporal lobectomy (ATL) (4), the effects of surgery on emotional processing are still unknown. We used functional ma...

2008
Jesper Møller Alvaro Obregón

Spatio-temporal Cox point process models with a multiplicative structure for the driving random intensity, incorporating covariate information into temporal and spatial components, and with a residual term modelled by a shot-noise process, are considered. Such models are flexible and tractable for statistical analysis, using spatio-temporal versions of intensity and inhomogeneous K-functions, q...

2001
Alex J Cowie

Process algebras are mathematical frameworks which can be used to provide behavioural descriptions of systems. The behaviours are described in terms of processes which are autonomous units of behaviour whose evolution are synchronised through the occurrence of events. Within the process algebra there is a class of operators which permit the direct specification of behaviours. The guarding and c...

1997
Grit Denker Jaime Ramos Carlos Caleiro Amílcar Sernadas

Our concern is the high level speciication of reactive software systems such as information systems. We adopt an object oriented, temporal logic based approach to speciication. The notion of transaction incorporates various application domains, for instance transactions as abstractions from processes as known from reenement theory, transactions as abstractions from business processes as known i...

2008
JESPER MØLLER

Spatio-temporal Cox point process models with a multiplicative structure for the driving random intensity, incorporating covariate information into temporal and spatial components, and with a residual term modelled by a shot-noise process, are considered. Such models are flexible and tractable for statistical analysis, using spatio-temporal versions of intensity and inhomogeneous K-functions, q...

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