Publications by Kumiko Oshima | EPFL Graph Search

Consideration of the effect of the anesthesia in the thalamocortical assemblies

Martin Hasler, Kumiko Oshima, Borja Ibarz Gabardos

Despite intensive research efforts, the effects of anesthesia on brain physiology and function have not been satisfactorily explained yet. Nevertheless, from what has been discovered up to now, we can attribute the effect of the anesthetics to changes in c ...

2007

State Change Detection Using Multivariate Synchronization Measure from Physiological Signals

Martin Hasler, Cristian Carmeli, Kumiko Oshima

The cardiovascular system can be macro-modelled as a collection of coupled oscillators. Recently, the use of mutual couplings of these oscillators to characterize the state of the system during anaesthesia has been proposed. Assuming that the synchronizati ...

2006

State Change Detection using Multivariate Synchronization Measure from Physiological Signals

Martin Hasler, Cristian Carmeli, Kumiko Oshima

2006

Minimum distance properties of coded modulations based on iterated chaotic maps

Thomas Schimming, Slobodan Kozic, Kumiko Oshima

In this paper we introduce a method for analyzing the performance of coded modulation schemes based on iterated chaotic maps. In particular, it is known from coding theory that the minimum distance plays an important role, defining the behavior of the erro ...

2003

How to repair CSK using small perturbation control - Case study and performance analysis

Thomas Schimming, Slobodan Kozic, Kumiko Oshima

In this paper we study coded modulation schemes based on iterated chaotic maps. In particular, we consider

CSK

-like systems in which a chaotic map is switched depending on the payload. We show how small perturbation control can substantially improve the ...

2003

Coded Modulations Using Chaotic Systems Controlled by Small Perturbations

Martin Hasler, Thomas Schimming, Kumiko Oshima

Recently it has been observed that communications using chaos show best performance if the information production related to the chaos in the transmitter is controlled and used for the payload of the communication \cite{Schimming:Nolta:2002}. In the case o ...

2002

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How to repair CSK using small perturbation control - Case study and performance analysis

Thomas Schimming, Slobodan Kozic, Kumiko Oshima

In this paper we study coded modulation schemes based on iterated chaotic maps. In particular, we consider

CSK

-like systems in which a chaotic map is switched depending on the payload. We show how small perturbation control can substantially improve the ...

2003

Kumiko Oshima

Estimation of the depth of anaesthesia from interacting physiological oscillators

Consideration of the effect of the anesthesia in the thalamocortical assemblies

State Change Detection Using Multivariate Synchronization Measure from Physiological Signals

State Change Detection using Multivariate Synchronization Measure from Physiological Signals

Minimum distance properties of coded modulations based on iterated chaotic maps

How to repair CSK using small perturbation control - Case study and performance analysis

Coded Modulations Using Chaotic Systems Controlled by Small Perturbations

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Chat with Graph Search

Coded Modulations Using Chaotic Systems Controlled by Small Perturbations

How to repair CSK using small perturbation control - Case study and performance analysis

Minimum distance properties of coded modulations based on iterated chaotic maps

State Change Detection using Multivariate Synchronization Measure from Physiological Signals

State Change Detection Using Multivariate Synchronization Measure from Physiological Signals

Consideration of the effect of the anesthesia in the thalamocortical assemblies

Estimation of the depth of anaesthesia from interacting physiological oscillators