48 Result(s)

Article

Unspecific neurologic symptoms as possible psychogenic complaints

Prevalence and course of psychogenically influenced symptoms in neurology and their dependence on age and gender are reported. The epidemiological basis of the data is a long-term follow-up investigation of a ...

Matthias Franz, Heinz Schepank… in European Archives of Psychiatry and Clinic… (1993)

Chapter and Conference Paper

The view-graph approach to visual navigation and spatial memory

This paper describes a purely visual navigation scheme based on two elementary mechanisms (piloting and guidance) and a graph structure combining individual navigation steps controlled by these mechanisms. In ...

Hanspeter A. Mallot, Matthias Franz… in Artificial Neural Networks — ICANN'97 (1997)

Article

Defect analysis with positron annihilation — Applications to Fe aluminides

Measurements of positron annihilation at various temperatures at constant pressure give information about the formation of thermal defects and their enthalpy in metals and alloys. In the FeAl system the format...

Joachim Wolff, Matthias Franz, Theodor Hehenkamp in Microchimica Acta (1997)

Article

Der Spontanverlauf psychogener Beeinträchtigung in einer Bevölkerungsstichprobe über 11 Jahre

Matthias Franz, Steffen Häfner, Klaus Lieberz, Gerhard Reister… in Psychotherapeut (2000)

Article

Psychosoziale Risiko- und Schutzfaktoren für psychische Störungen: Stand der Forschung

Steffen Häfner, Matthias Franz, Klaus Lieberz, Heinz Schepank in Psychotherapeut (2001)

Article

Psychosoziale Risiko- und Schutzfaktoren für psychische Störungen: Stand der Forschung

Steffen Häfner, Matthias Franz, Klaus Lieberz, Heinz Schepank in Psychotherapeut (2001)

Article

A Bootstrap Method To Test If Study Dropouts Are Missing Randomly

Withdrawing from a longitudinal investigation is a common problem in epidemiological research. This paper describes a nonparametric method, based on a bootstrap approach, for assessing whether dropouts are mis...

Norbert Schmitz, Matthias Franz in Quality and Quantity (2002)

Chapter and Conference Paper

Efficient Approximations for Support Vector Machines in Object Detection

We present a new approximation scheme for support vector decision functions in object detection. In the present approach we are building on an existing algorithm where the set of support vectors is replaced by...

Wolf Kienzle, Gökhan Bakır, Matthias Franz, Bernhard Schölkopf in Pattern Recognition (2004)

Chapter and Conference Paper

Multivariate Regression via Stiefel Manifold Constraints

We introduce a learning technique for regression between high-dimensional spaces. Standard methods typically reduce this task to many one-dimensional problems, with each output dimension considered independent...

Gökhan H. Bakır, Arthur Gretton, Matthias Franz, Bernhard Schölkopf in Pattern Recognition (2004)

Article

Is Every Toric Variety an M-Variety?

A complex algebraic variety X defined over the real numbers is called an M-variety if the sum of its Betti numbers (for homology with closed supports and coefficients in \(\mathbb{Z} /2\) ...

Frédéric Bihan, Matthias Franz, Clint McCrory, Joost van Bihan in manuscripta mathematica (2006)

Chapter and Conference Paper

Attacking Unlinkability: The Importance of Context

A system that protects the unlinkability of certain data items (e. g. identifiers of communication partners, messages, pseudonyms, transactions, votes) does not leak information that would enable an adversary ...

Matthias Franz, Bernd Meyer, Andreas Pashalidis in Privacy Enhancing Technologies (2007)

Article

Exact cohomology sequences with integral coefficients for torus actions

Using methods applied by Atiyah in equivariant K-theory, Bredon obtained exact sequences for the relative cohomologies (with rational coefficients) of the equivariant skeletons of (sufficiently nice) T-spaces X,

Matthias Franz, Volker Puppe in Transformation Groups (2007)

Article

Maladaptive co** strategies in patients with bruxism compared to non-bruxing controls

Background: Sleep bruxism is the non-functional grinding or clenching of teeth during sleep. It may lead to tooth damage and myofascial pain. Although stress is discussed as a main causal agent, there is a lac...

Christine Schneider, Alexandra Goertz… in International Journal of Behavioral Medici… (2007)

Article

A new view on Bathonian ostracods of Poland

The Bathonian ostracod fauna from Central Poland (Częstochowa region) has been restudied from nearly all ammonite zones. Forty nine well preserved, autochthonous species could be documented; some further, pres...

Ekaterina M. Tesakova, Matthias Franz, Evgenija Baykina… in Senckenbergiana lethaea (2008)

Article

PALME: a preventive parental training program for single mothers with preschool aged children

Single mothers are exposed to various psychosocial risks. They suffer more frequently from chronic diseases, depression and elevated stress levels. These risk factors also have an impact on their children, who...

Matthias Franz, Lonja Weihrauch, Ralf Schäfer in Journal of Public Health (2011)

Chapter and Conference Paper

Map** of Inland Waters Using Radar

This paper presents a map** approach for inland waters using a noisy radar sensor installed on a boat. The vessel’s position is acquired from GPS, thus this is a pure map** problem. For the actual map** ...

Matthias Greuter, Michael Blaich, Michael Schuster… in Autonomous Mobile Systems 2012 (2012)