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All-Printed Electrocorticography Array for In Vivo Neural Recordings

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Fabrication of flexible, implantable microelectrodes with embedded fluidic microchannels

Philippe Renaud, Stefan Metz, Raphael Holzer

This paper describes the fabrication of polyimide-based microelectrodes with embedded fluidic microchannels. The thin-film structures combine for the first time a fluidic system with microelectrodes for recording and stimulation of biological signals on a ...

2001

Neugebauer and Demichel: dependence and independence in n-screen superpositions for colour printing

Roger Hersch, Isaac Amidror

The Neugebauer equations and the Demichel equations on which they are based are one of the basic tools for modeling colour printing systems that use the halftoning technique. However, these equations implicitly assume that the colour ink distributions in t ...

Wiley2000

Fabrication and test of implantable thin-film electrodes for stimulation and recording of biological signals

Philippe Renaud, Stefan Metz, Raphael Holzer

The fabrication, characterization and application of polyimide-based flexible microelectrodes for recording from and stimulation of biological tissue are described. The planar electrodes consist of a polyimide-platinum-polyimide sandwich structure with a t ...

2000

Stochastic clustered-dot dithering

Roger Hersch

A new technique for building stochastic clustered-dot screens is being proposed. A large dither matrix comprising thousands of stochastically laid out screen dots is constructed by first laying out the screen dot centers. Screen dot centers are obtained by ...

SPIE-Int. Soc. Opt. Eng1999

Reproducing color images using custom inks

We investigate the general problem of reproducing color images on an offset press using custom inks in any combination and number. While this problem has been explored previously for the case of two inks, there are a number of new mathematical and algorith ...

ACM, New York, NY, USA1998

Stochastic clustered-dot dithering

Roger Hersch

SPIE-Int. Soc. Opt. Eng1998

Multi-level colour halftonning algorithms

Roger Hersch, Isaac Amidror, Patrick Emmel

Methods for the halftoning of images on multi-level printing devices such as multi-level ink-jet printers are presented. Due to the relatively large size of single droplets, halftoning algorithms are still needed. However, since halftoning occurs between t ...

SPIE-Int. Soc. Opt. Eng1997

Dithering algorithms for variable dot size printers

Roger Hersch, Isaac Amidror, Patrick Emmel

Dither-based methods for the halftoning of images on multi-level printing devices such as multi-level inkjet printers are presented. Due to the relatively large size of single droplets, halftoning algorithms are still needed. However, since halftoning occu ...

IEEE1996

Reproduction couleur par trames irrégulières et semi-régulières

In the printing industry, one of the most common methods for reproducing halftone images using bilevel printing devices is clustered-dot ordered dithering. The images produced using this method are quite faithful to the original and are visually pleasing. ...

EPFL1995