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Oct 24, 2013
Computational Geometry

How To Place a Point to Maximize Angles

We describe a randomized algorithm that, given a set $P$ of points in the plane, computes the best location to insert a new point $p$, such that the …
Apr 20, 2007
Information Theory

Minimum Expected Distortion in Gaussian Layered Broadcast Coding with…

A transmitter without channel state information (CSI) wishes to send a delay-limited Gaussian source over a slowly fading channel. The source is code…
May 13, 2010
Information Theory

Interference Channel with a Half-Duplex Out-of-Band Relay

A Gaussian interference channel (IC) aided by a half-duplex relay is considered, in which the relay receives and transmits in an orthogonal band with…
Jan 16, 2010
Information Theory

A General Coding Scheme for Two-User Fading Interference Channels

A Han-Kobayashi based achievable scheme is presented for ergodic fading two-user Gaussian interference channels (IFCs) with perfect channel state inf…
May 22, 2007
Information Theory

Distortion Minimization in Gaussian Layered Broadcast Coding with S…

A transmitter without channel state information (CSI) wishes to send a delay-limited Gaussian source over a slowly fading channel. The source is code…
Oct 25, 2010
Information Theory

Generalized Approximate Message Passing for Estimation with Random …

We consider the estimation of an i.i.d.\ random vector observed through a linear transform followed by a componentwise, probabilistic (possibly nonli…
Mar 26, 2012
Multimedia
Information Theory

Compressed Sensing for Moving Imagery in Medical Imaging

Numerous applications in signal processing have benefited from the theory of compressed sensing which shows that it is possible to reconstruct signal…
Jan 08, 2015
Information Theory

Inference for Generalized Linear Models via Alternating Directions an…

Generalized Linear Models (GLMs), where a random vector $\mathbf{x}$ is observed through a noisy, possibly nonlinear, function of a linear transform …
Oct 13, 2013
Computer Vision
Numerical Analysis

Image Restoration using Total Variation with Overlapping Group Sparsi…

Image restoration is one of the most fundamental issues in imaging science. Total variation (TV) regularization is widely used in image restoration p…
Jun 07, 2012
Information Theory

Lossy Computing of Correlated Sources with Fractional Sampling

This paper considers the problem of lossy compression for the computation of a function of two correlated sources, both of which are observed at the …
Feb 26, 2013
Machine Learning

Sparse Frequency Analysis with Sparse-Derivative Instantaneous Amplit…

This paper addresses the problem of expressing a signal as a sum of frequency components (sinusoids) wherein each sinusoid may exhibit abrupt changes…
Mar 08, 2008
Information Theory

Secure Lossless Compression with Side Information

Secure data compression in the presence of side information at both a legitimate receiver and an eavesdropper is explored. A noise-free, limited rate…
Jul 31, 2010
Networking and Internet Architecture

Belief Propagation Methods for Intercell Interference Coordination

We consider a broad class of interference coordination and resource allocation problems for wireless links where the goal is to maximize the sum of f…
Nov 08, 2007
Information Theory

Joint Source-Channel Codes for MIMO Block Fading Channels

We consider transmission of a continuous amplitude source over an L-block Rayleigh fading $M_t \times M_r$ MIMO channel when the channel state inform…
Mar 07, 2011
Information Theory

A Secure Communication Game with a Relay Helping the Eavesdropper

In this work a four terminal complex Gaussian network composed of a source, a destination, an eavesdropper and a jammer relay is studied under two di…
Sep 05, 2011
Networking and Internet Architecture
Optimization and Control

Trimming the Multipath for Efficient Dynamic Routing

Multipath routing is a trivial way to exploit the path diversity to leverage the network throughput. Technologies such as OSPF ECMP use all the avail…
Apr 30, 2008
Multimedia
Computers and Society
Human-Computer Interaction

Characterizing Video Responses in Social Networks

Video sharing sites, such as YouTube, use video responses to enhance the social interactions among their users. The video response feature allows use…
Mar 29, 2011
Networking and Internet Architecture
Systems and Control
Optimization and Control

Use of Devolved Controllers in Data Center Networks

In a data center network, for example, it is quite often to use controllers to manage resources in a centralized man- ner. Centralized control, howev…
Jan 09, 2013
Information Theory

Transmission Schemes for Gaussian Interference Channels with Transmit…

This work considers communication over Gaussian interference channels with processing energy cost, which explicitly takes into account the energy exp…
May 15, 2012
Information Theory
Networking and Internet Architecture

Two-way Wireless Video Communication using Randomized Cooperation, …

Two-way real-time video communication in wireless networks requires high bandwidth, low delay and error resiliency. This paper addresses these demand…
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