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Multiresolution motion estimation for the MPEG coder

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Light Transport Matrix recovery for nearly planar objects

Martin Vetterli, Paolo Prandoni, Loïc Arnaud Baboulaz, Niranjan Thanikachalam

The light transport matrix has become a powerful tool for scene relighting, owing to the versatility of its representational power of various light transport phenomenon. We argue that scenes with an almost planar surface geometry, even with significant amo ...

SPIE2014

Anatomical Priors to improve Global Tractography

Jean-Philippe Thiran, Alessandro Daducci, Alia Lemkaddem

The main assumption of fiber-tracking algorithms is that fiber trajectories are represented by paths of highest diffusion, which is usually accomplished by following the principal diffusion directions in every voxel. The state-of-the-art approaches known a ...

2014

Fast encoding techniques for Multiview Video Coding

Pascal Frossard

Multiview Video Coding (MVC) is a technique that permits efficient compression of multiview video. MVC uses variable block size motion and disparity estimation for block matching. This requires an exhaustive search process that involves all possible macro- ...

Elsevier Science Bv2013

Bayesian Early Mode Decision Technique for View Synthesis Prediction-enhanced Multiview Video Coding

Pascal Frossard, Thomas Maugey

View synthesis prediction (VSP) is a coding mode that predicts video blocks from synthesised frames. It is particularly useful in a multi-camera setup with large inter-camera distances. Adding a VSP-based SKIP mode to a standard Multiview Video Coding (MVC ...

Institute of Electrical and Electronics Engineers2013

Interactive Multiview Video System With Low Complexity 2D Look Around at Decoder

Pascal Frossard, Thomas Maugey

Multiview video with interactive and smooth view switching at the receiver is a challenging application with several issues in terms of effective use of storage and bandwidth resources, reactivity of the system, quality of the viewing experience and system ...

Ieee-Inst Electrical Electronics Engineers Inc2013

Interactive Function Computation

Michael Christoph Gastpar

We investigate the role of interaction for computa- tion problem settings where nodes intend to compute functions of the raw messages generated at other nodes. In this work, we make some progress on a more elementary research component: feedback. Specifica ...

2013

Parameterized SVM for Personalized Drug Concentration Prediction

Giovanni De Micheli, Alena Simalatsar, Wenqi You Dubout

This paper proposes a parameterized Support Vector Machine (ParaSVM) approach for modeling the Drug Concentration to Time (DCT) curves. It combines the merits of Support Vector Machine (SVM) algorithm that considers various patient features and an analytic ...

2013

Distributed Compressed Representation of Correlated Image Sets

Vijayaraghavan Thirumalai

Vision sensor networks and video cameras find widespread usage in several applications that rely on effective representation of scenes or analysis of 3D information. These systems usually acquire multiple images of the same 3D scene from different viewpoin ...

EPFL2012

A Distributed Algorithm for Computing the Node Search Number in Trees

Florian Huc

We present a distributed algorithm to compute the node search number in trees. This algorithm extends the centralized algorithm proposed by Ellis et al. (Inf. Comput. 113(1):50-79, 1994). It can be executed in an asynchronous environment, requires an overa ...

2012

MPEG Reconfigurable Video Representation

Marco Mattavelli

The standardization efforts of MPEG in video coding, originally had as main objective to guarantee interoperability of compression systems. This carried with it the possibility to reach another important objective, namely to wide and easy deployment of im ...

Springer2011