Patents by Inventor Georgios Karakonstantis

Georgios Karakonstantis has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and apparatus for low complexity spectral analysis of bio-signals
    Patent number: 9760536
    Abstract: A method and device for reducing the computational complexity of a processing algorithm, of a discrete signal, in particular of the spectral estimation and analysis of bio-signals, with minimum or no quality loss, which comprises steps of (a) choosing a domain, such that transforming the signal to the chosen domain results to an approximately sparse representation, wherein at least part of the output data vector has zero or low magnitude elements; (b) converting the original signal in the domain chosen in step (a) through a mathematical transform consisting of arithmetic operations resulting in a vector of output data; (c) reformulating the processing algorithm of the original signal in the original domain into a modified algorithm consisting of equivalent arithmetic operations in the domain chosen in step (a) to yield the expected result with the expected quality quantified in terms of a suitable application metric; (d) combining the mathematical transform of step (b) and the equivalent mathematical operatio
    Type: Grant
    Filed: August 15, 2013
    Date of Patent: September 12, 2017
    Assignee: Ecole Polytechnique Fédérale de Lausanne (EPFL)
    Inventors: Georgios Karakonstantis, Aviinaash Sankaranarayanan, Andreas Burg, Srinivasan Murali, David Atienza Alonso
  • METHOD AND APPARATUS FOR LOW COMPLEXITY SPECTRAL ANALYSIS OF BIO-SIGNALS
    Publication number: 20150220486
    Abstract: A method and device for reducing the computational complexity of a processing algorithm, of a discrete signal, in particular of the spectral estimation and analysis of bio-signals, with minimum or no quality loss, which comprises steps of (a) choosing a domain, such that transforming the signal to the chosen domain results to an approximately sparse representation, wherein at least part of the output data vector has zero or low magnitude elements; (b) converting the original signal in the domain chosen in step (a) through a mathematical transform consisting of arithmetic operations resulting in a vector of output data; (c) reformulating the processing algorithm of the original signal in the original domain into a modified algorithm consisting of equivalent arithmetic operations in the domain chosen in step (a) to yield the expected result with the expected quality quantified in terms of a suitable application metric; (d) combining the mathematical transform of step (b) and the equivalent mathematical operatio
    Type: Application
    Filed: August 15, 2013
    Publication date: August 6, 2015
    Inventors: Georgios Karakonstantis, Aviinaash Sankaranarayanan, Andreas Burg, Srinivasan Murali, David Atienza Alonso