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Walsh-Hadamard-Based Orthogonal Sampling Technique for Parallel Neural Recording Systems

Related publications (39)

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Clustering And Segmenting Speakers And Their Locations In Meetings

Guillaume Lathoud, Jitendra Ajmera

This paper presents a new approach toward automatic annotation of meetings in terms of speaker identities and their locations. This is achieved by segmenting the audio recordings using two independent sources of information : magnitude spectrum analysis an ...

2004

Clustering And Segmenting Speakers And Their Locations In Meetings

Guillaume Lathoud, Jitendra Ajmera

IDIAP2003

Comparison of the recording dynamics of phenanthrenequinone-doped poly(methyl methacrylate) materials

Demetri Psaltis

The comparison between the NCTU and Caltech PQ-PMMA material shows that the difference in their behavior lies in the different concentration of residual MMA in the samples. Experimental evidence shows that during recording, PQ molecules attach to MMA but n ...

2001

Localized holographic recording in doubly doped lithium niobate

Demetri Psaltis

Persistent holograms are recorded locally with red light in a LiNbO3 crystal doped with Mg and Fe. Selective erasure is realized by use of a focused UV sensitizing light. We demonstrate the recording of 50 localized images as well as selective erasure in a ...

2000

Sensitivity improvement in two-center holographic recording

Demetri Psaltis

Persistent holograms are recorded with green light in LiNbO3 crystals doped with Mn and Fe. The recording sensitivity is 20 times better than that obtained by recording with red light. Partial loss of persistence is caused by using green light for recordin ...

2000

Efficient non-volatile holographic recording in doubly doped lithium niobate

Demetri Psaltis

An efficient, non-volatile holographic storage scheme in doubly doped lithium niobate is presented. The idea is to use two different deep traps. This in turn makes the recording of the holograms using longer wavelength light feasible. ...

1999

Effect of annealing in two-center holographic recording

Demetri Psaltis

Persistent holograms are recorded with red light in lithium niobate crystals doped with manganese and iron. We find that the oxidation/reduction state of the crystal has a profound impact on the recording and readout performance. The underlying physical pr ...

1999

Holographic Storage Using Shift Multiplexing

Demetri Psaltis

We demonstrate theoretically and experimentally a new multiplexing method for volume holographic storage using a single reference beam that is composed of multiple plane waves or is a spherical wave. We multiplex the holograms by shifting the recording mat ...

1995

Information capacity of 3-D holographic data storage

Demetri Psaltis

Capacities for angular and wavelength multiplexed holographic data storage systems are considered. Limitations due to the spatial resolution of the recording and reconstructing fields and to the holographic recording process are derived. © 1993 Chapman & H ...

1993