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Balancing Video and Metadata Adaptation for Universal Multimedia Access

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Visualizing Perceptual Dynamics in Architecture

Marilyne Andersen, Siobhan Francois Rockcastle

When it comes to value how magnificent buildings are experienced, most designers believe that sunlight is essential. Although architecture is a technical discipline, it lacks a consensus about what quantity and what quality of light are required to make a ...

2015

MATHICSE Technical Report : A model order reduction framework for parametrized nonlinear PDE constrained optimization

Federico Negri

In this paper, we propose a model order reduction framework for parametrized quadratic optimization problems constrained by nonlinear stationary PDEs. Once the solutions of the optimization problem are characterized as the solutions of the corresponding op ...

MATHICSE2015

Rotor Design Optimization for a Reaction Sphere Actuator

Yves Perriard, Leopoldo Rossini

This paper presents the rotor design optimization for a reaction sphere (RS) actuator. The RS is a permanent-magnet synchronous spherical actuator whose rotor is magnetically levitated and can be accelerated about any desired axis. The RS is composed of an ...

Institute of Electrical and Electronics Engineers2014

What impacts skin color in digital photos?

Albrecht Johannes Lindner, Stefan Winkler

Skin colors are important for a broad range of imaging applications to assure quality and naturalness. We discuss the impact of various metadata on skin colors in images, i.e. how does the presence of a metadata attribute influence the expected skin color ...

2014

Quantifying and Protecting Location Privacy

Reza Shokri

Recent developments in information and communication technologies have been profound and life-changing. Most people are now equipped with smart phones with high computation power and communication capabilities. These devices can efficiently run multiple so ...

EPFL2013

View Selection Policy For Multi-View Video Delivery

We derive an optimization framework for computing a view selection policy for streaming multi-view content over a bandwidth constrained channel. The optimization allows us to determine the decisions of sending the packetized data such that the end-to-end r ...

IEEE2013

Quantifying and Protecting Location Privacy

Reza Shokri

EPFL2012

Selected Contributions on Multimedia Quality Evaluation

Francesca De Simone

Multimedia signals, such as digital images and video sequences, are captured, processed and finally presented to human observers who directly or indirectly judge their quality. During the data acquisition, as well as the many steps of the processing chain, ...

EPFL2012

Effects of Input Device Familiarity on Content Creation and Sharing in Meetings

Pierre Dillenbourg, Patrick Jermann, Himanshu Verma, Flaviu Roman

In co-located meetings, content creation is often distributed among the group members and sharing requires transfer of content artifacts, which impedes collaboration. In this paper, we present the design of a collaborative environment to support this activ ...

ACM2012

Browsing Catalogue Graphs: Content Caching Supercharged!!

We consider a generic scenario of content browsing where a client is presented with a catalogue of items of interest. Upon the selection of an item from a page of the catalogue, the client can choose the next item to browse from a list of related items pre ...

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