Patents by Inventor Ioannis Efstathiou

Ioannis Efstathiou 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 device for improved classification
    Patent number: 11494689
    Abstract: There is provided systems and methods for training a classifier. The method comprises: obtaining a classifier for classifying data into one of a plurality of classes; retrieving training data comprising a set of observations and a set of corresponding labels, each label representing an assigned class for a corresponding observation; and applying an agent trained by a reinforcement learning system to generate labeled data from unlabeled observations and train the classifier using the training data and the labeled data according to a policy determined by the reinforcement learning system.
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: November 8, 2022
    Assignee: Chatterbox Labs Limited
    Inventors: Ioannis Efstathiou, Stuart Battersby, Henrique Nunes, Zheng Yuan
  • Method and Device for Improved Classification
    Publication number: 20190370219
    Abstract: There is provided systems and methods for training a classifier. The method comprises: obtaining a classifier for classifying data into one of a plurality of classes; retrieving training data comprising a set of observations and a set of corresponding labels, each label representing an assigned class for a corresponding observation; and applying an agent trained by a reinforcement learning system to generate labeled data from unlabeled observations and train the classifier using the training data and the labeled data according to a policy determined by the reinforcement learning system.
    Type: Application
    Filed: June 5, 2018
    Publication date: December 5, 2019
    Inventors: Ioannis Efstathiou, Stuart Battersby, Henrique Nunes, Zheng Yuan