Information Theory and Signal Processing

Information Theory and Neural Coding - Part 1, by Adam Schneider

Order: Reorder
Duration: 32:06
Updated: 08 Jul 2013

Information theory, developed by Claude Shannon in 1949, provides mathematically rigorous tools to quantify the precision with which a systems output contain...

http://wn.com/Information_Theory_and_Neural_Coding_Part_1,_by_Adam_Schneider

CESG Fishbowl Seminar: Shannon Information Theory and Sparse Recovery

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Duration: 69:21
Updated: 18 Jul 2013

Abstract: The problem of sparse recovery arises in a number of statistical signal processing and learning applications. Sparsity arises from the fact that th...

http://wn.com/CESG_Fishbowl_Seminar_Shannon_Information_Theory_and_Sparse_Recovery

Information Theory Today: ECE Lecturer Series

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Duration: 56:01
Updated: 30 Jul 2013

Founded by Claude Shannon in 1948, information theory has taken on renewed vibrancy with technological advances that pave the way for attaining the fundament...

http://wn.com/Information_Theory_Today_ECE_Lecturer_Series

Safe and Secure Communications：Ohtsuki Group,Keio University

Order: Reorder
Duration: 3:36
Updated: 02 Jun 2012

In recent years, wireless communication has become very familiar, as exemplified by the rapid spread of mobile phones. However, because the available frequen...

http://wn.com/Safe_and_Secure_Communications：Ohtsuki_Group,Keio_University

Information bottleneck-based relevant knowledge representation

Order: Reorder
Duration: 9:10
Updated: 04 Nov 2013

A novel representation technique for sparse information, based on information theory.Through Information Bottleneck paradigm the optimal data representation in the SOM-space has been determined as a trade-off between the signal reconstruction capabilities and the original data statistical similarities preservation.

http://wn.com/Information_bottleneck-based_relevant_knowledge_representation

CTTC coorganizes the ISWCS'2014

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Duration: 2:31
Updated: 13 Nov 2013

The aim of this symposium is to provide a forum for researchers and technologists to present new ideas and contributions in the form of technical papers, panel discussions as well as real-world evaluation of many ideas in wireless communications, networking and signal processing employed to support the needs of the Information Society. This eleventh symposium will bring together various wireless communication systems developers to discuss the current status, technical challenges, standards, fundamental issues, and future services and applications. ISWCS'14 seeks to address and capture highly-innovative and state-of-the-art research from academia, the wireless industry as well as standardization advances. The scope of the conference includes a wide range of technical challenges encompassing wireless communications, information theory, quality of service support, networking, signal processing, cross-layer design for improved performance, and future wireless broadband systems. - See more at: http://www.cttc.es/2013/10/24/cttc-coorganizes-the-iswcs2014/#sthash.jmRIr40a.dpuf

http://wn.com/CTTC_coorganizes_the_ISWCS'2014

Social Signal Processing Summer School - Claes Strannegård - What is it like to be a bee?

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Duration: 84:17
Updated: 12 Aug 2013

Claes Strannegård is an associate professor at the Department of Philosophy, Linguistics and Theory of Science, University of Gothenburg and the Department of Applied Information Technology at Chalmers University of Technology. The ability to learn, neuroplasticity, enables honey bees to adapt to new environments and perform a wide range of cognitive tasks in those environments. Honey bees outperform artificial systems both in versatility and robustness and therefore their neurophysiology could provide valuable clues to artificial general intelligence. Reward seems to play a central role in guiding the learning process of bees, both when learning which perceptual patterns are associated with reward and which actions to take when a given perceptual pattern occurs, so as to satisfice reward. I present a graph-based computational model of memory development. In this model all learning is driven by reward. The model learns (i) memory structures representing perceptual patterns of the environment and (ii) actions that manipulate the environment. The goal is to combine automatic concept development with a variation of reinforcement learning. In social animals such as bees, part of the reward signals come from the social environment. Thus the nervous system is partly shaped by social signals. Similarly, our computational model is partly shaped by feedback signals from humans that interact with it. The human user has the options of staying passive or interfering actively by encouraging or discouraging certain kinds of behavior.

http://wn.com/Social_Signal_Processing_Summer_School_Claes_Strannegård_What_is_it_like_to_be_a_bee?

2013 SA Pearcey Enterpreneur - Dr Alex Grant

Order: Reorder
Duration: 1:29
Updated: 21 Jul 2013

Alex Grant is the Director of the Institute for Telecommunications Research at the University of South Australia. He has lead the Coding and Information Theo...

http://wn.com/2013_SA_Pearcey_Enterpreneur_Dr_Alex_Grant

Nyquist

Order: Reorder
Duration: 3:19
Updated: 10 Sep 2013

just in case you dont know what this means here is a definition he Nyquist--Shannon sampling theorem, after Harry Nyquist and Claude Shannon,[1] in the literature more commonly referred to as the Nyquist sampling theorem or simply as the sampling theorem, is a fundamental result in the field of information theory, in particular telecommunications and signal processing. Sampling is the process of converting a signal (for example, a function of continuous time or space) into a numeric sequence (a function of discrete time or space). Shannon's version of the theorem states:[2] If a function x(t) contains no frequencies higher than B hertz, it is completely determined by giving its ordinates at a series of points spaced 1/(2B) seconds apart. In other words, a bandlimited function can be perfectly reconstructed from a countable sequence of samples if the bandlimit, B, is no greater than half the sampling rate (samples per second). The theorem also leads to a formula for reconstruction of the original function from its samples. When the bandlimit is too high (or there is no bandlimit), the reconstruction exhibits imperfections known as aliasing. The Poisson summation formula provides a graphic understanding of aliasing and an alternative derivation of the theorem, using the perspective of the function's Fourier transform.

http://wn.com/Nyquist

Aliasing in Sampled Systems

Order: Reorder
Duration: 22:05
Updated: 26 Jun 2013

An intuitive approach to understanding aliasing in sampled systems using a strobe-sampled helicopter rotor as a demonstration. For more information visit htt...

http://wn.com/Aliasing_in_Sampled_Systems

CERIAS Security: John Oritz: Steganography 6/6

Order: Reorder
Duration: 8:04
Updated: 28 Jul 2013

Clip 6/6 Speaker: John Oritz · SRA International Steganography is a discipline of computer science whose aim is to conceal the existence of information. Steg...

http://wn.com/CERIAS_Security_John_Oritz_Steganography_6_6

CERIAS Security: John Oritz: Steganography 1/6

Order: Reorder
Duration: 9:59
Updated: 18 Apr 2013

Clip 1/6 Speaker: John Oritz · SRA International Steganography is a discipline of computer science whose aim is to conceal the existence of information. Steg...

http://wn.com/CERIAS_Security_John_Oritz_Steganography_1_6

Q1: Guest Lecture: Sundeep Rangan

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Duration: 23:31
Updated: 04 Oct 2012

Sundeep Rangan received the B.A.Sc. at the University of Waterloo, Canada and the M.Sc. and Ph.D. at the University of California, Berkeley, all in Electrica...

http://wn.com/Q1_Guest_Lecture_Sundeep_Rangan

ECE 210: Analog Signal Processing

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Duration: 0:48
Updated: 24 Mar 2013

ECE 210: Analog Signal Processing teaches students key signal processing theory and provides application of this theory in the laboratory through the constru...

http://wn.com/ECE_210_Analog_Signal_Processing

CERIAS Security: John Oritz: Steganography 5/6

Order: Reorder
Duration: 9:59
Updated: 18 Apr 2013

Clip 5/6 Speaker: John Oritz · SRA International Steganography is a discipline of computer science whose aim is to conceal the existence of information. Steg...

http://wn.com/CERIAS_Security_John_Oritz_Steganography_5_6

CERIAS Security: John Oritz: Steganography 2/6

Order: Reorder
Duration: 9:59
Updated: 18 Apr 2013

Clip 2/6 Speaker: John Oritz · SRA International Steganography is a discipline of computer science whose aim is to conceal the existence of information. Steg...

http://wn.com/CERIAS_Security_John_Oritz_Steganography_2_6

CERIAS Security: John Oritz: Steganography 3/6

Order: Reorder
Duration: 9:59
Updated: 18 Apr 2013

Clip 3/6 Speaker: John Oritz · SRA International Steganography is a discipline of computer science whose aim is to conceal the existence of information. Steg...

http://wn.com/CERIAS_Security_John_Oritz_Steganography_3_6

Compressed Sensing Meets Information Theory

Order: Reorder
Duration: 69:22
Updated: 22 Jul 2013

Google Tech Talk October 7, 2009 ABSTRACT Presented by Dror Baron, Visiting Scientist, Technion - Israel Institute of Technology. Traditional signal acquisit...

http://wn.com/Compressed_Sensing_Meets_Information_Theory

Signal Processing and Communications for Sensor Networks

Order: Reorder
Duration: 54:35
Updated: 07 Aug 2013

Google Tech Talks April 1, 2009 ABSTRACT Presented by Martin Vetterli A sensor network is a spatio-temporal sampling device with a wireless communications in...

http://wn.com/Signal_Processing_and_Communications_for_Sensor_Networks

CERIAS Security: John Oritz: Steganography 4/6

Order: Reorder
Duration: 9:59
Updated: 18 Apr 2013

Clip 4/6 Speaker: John Oritz · SRA International Steganography is a discipline of computer science whose aim is to conceal the existence of information. Steg...

http://wn.com/CERIAS_Security_John_Oritz_Steganography_4_6

Recent Trends in Femtocell Research

Order: Reorder
Duration: 430:39
Updated: 27 Jun 2013

Abstract: Femtocells have not only gained industrial attraction, but are also of increasing interest to the academic community. This is mainly due to the eno...

http://wn.com/Recent_Trends_in_Femtocell_Research

Information Theory Based Automatic Multimodal Transfer Function Design

Order: Reorder
Duration: 0:24
Updated: 18 Nov 2013

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http://wn.com/Information_Theory_Based_Automatic_Multimodal_Transfer_Function_Design

Sparse Methods for Machine Learning: Theory and Algorithms

Order: Reorder
Duration: 60:35
Updated: 29 Mar 2013

VideoLectures.Net View the talk in context: http://videolectures.net/nips09_bach_smm/ View the complete 23rd Annual Conference on Neural Information Processi...

http://wn.com/Sparse_Methods_for_Machine_Learning_Theory_and_Algorithms

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