Patents by Inventor Ruwan B. Tennakoon

Ruwan B. Tennakoon 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).

  • Patent number: 10984674
    Abstract: A learning sub-system models search patterns of multiple experts in analyzing an image using a recurrent neural network (RNN) architecture, creates a knowledge base that models expert knowledge. A teaching sub-system teaches the search pattern captured by the RNN model and presents to a learning user the information for analyzing an image. The teaching sub-system determines the teaching image sequence based on a difficulty level identified using image features, audio cues, expert confidence and time taken by experts. An evaluation sub-system measures the learning user's performance in terms of search strategy that is evaluated against the RNN model and provides feedback on overall sequence followed by the learning user and time spent by the learning user on each region in the image.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: April 20, 2021
    Assignee: International Business Machines Corporation
    Inventors: Rahil Garnavi, Dwarikanath Mahapatra, Pallab K. Roy, Ruwan B. Tennakoon
  • Patent number: 10657838
    Abstract: A learning sub-system models search patterns of multiple experts in analyzing an image using a recurrent neural network (RNN) architecture, creates a knowledge base that models expert knowledge. A teaching sub-system teaches the search pattern captured by the RNN model and presents to a learning user the information for analyzing an image. The teaching sub-system determines the teaching image sequence based on a difficulty level identified using image features, audio cues, expert confidence and time taken by experts. An evaluation sub-system measures the learning user's performance in terms of search strategy that is evaluated against the RNN model and provides feedback on overall sequence followed by the learning user and time spent by the learning user on each region in the image.
    Type: Grant
    Filed: March 15, 2017
    Date of Patent: May 19, 2020
    Assignee: International Business Machines Corporation
    Inventors: Rahil Garnavi, Dwarikanath Mahapatra, Pallab K. Roy, Ruwan B. Tennakoon
  • Patent number: 10169872
    Abstract: A computer-implemented method obtains at least one image from which severity of a given pathological condition presented in the at least one image is to be classified. The method generates a hybrid image representation of the at least one obtained image. The hybrid image representation comprises a concatenation of a discriminative pathology histogram, a generative pathology histogram, and a fully connected representation of a trained baseline convolutional neural network. The hybrid image representation is used to train a classifier to classify the severity of the given pathological condition presented in the at least one image. One non-limiting example of a pathological condition whose severity can be classified with the above method is diabetic retinopathy.
    Type: Grant
    Filed: February 7, 2017
    Date of Patent: January 1, 2019
    Assignee: International Business Machines Corporation
    Inventors: Rahil Garnavi, Dwarikanath Mahapatra, Pallab Roy, Suman Sedai, Ruwan B. Tennakoon
  • Publication number: 20180268733
    Abstract: A learning sub-system models search patterns of multiple experts in analyzing an image using a recurrent neural network (RNN) architecture, creates a knowledge base that models expert knowledge. A teaching sub-system teaches the search pattern captured by the RNN model and presents to a learning user the information for analyzing an image. The teaching sub-system determines the teaching image sequence based on a difficulty level identified using image features, audio cues, expert confidence and time taken by experts. An evaluation sub-system measures the learning user's performance in terms of search strategy that is evaluated against the RNN model and provides feedback on overall sequence followed by the learning user and time spent by the learning user on each region in the image.
    Type: Application
    Filed: March 15, 2017
    Publication date: September 20, 2018
    Inventors: Rahil Garnavi, Dwarikanath Mahapatra, Pallab K. Roy, Ruwan B. Tennakoon
  • Publication number: 20180268737
    Abstract: A learning sub-system models search patterns of multiple experts in analyzing an image using a recurrent neural network (RNN) architecture, creates a knowledge base that models expert knowledge. A teaching sub-system teaches the search pattern captured by the RNN model and presents to a learning user the information for analyzing an image. The teaching sub-system determines the teaching image sequence based on a difficulty level identified using image features, audio cues, expert confidence and time taken by experts. An evaluation sub-system measures the learning user's performance in terms of search strategy that is evaluated against the RNN model and provides feedback on overall sequence followed by the learning user and time spent by the learning user on each region in the image.
    Type: Application
    Filed: November 16, 2017
    Publication date: September 20, 2018
    Inventors: Rahil Garnavi, Dwarikanath Mahapatra, Pallab K. Roy, Ruwan B. Tennakoon
  • Patent number: 10002311
    Abstract: A knowledge base is generated based on eye tracking, audio monitoring and image annotations, for determining image features from given images and sequences of image features to focus on in analyzing an image. An eye tracker monitors eye movements of a user analyzing an image and generates a sequence of eye movements. A user interface receives annotations on the image. Audio data received via a microphone is translated into text and keywords are extracted. The sequence of eye movements, the annotations and the keywords are correlated according to their time of occurrence. Image features are extracted from the image and mapped with the sequence of eye movements, the annotations and the keywords that are correlated. A recurrent neural network model is generated based on the mapped image features and predicts a likelihood of an expert image analyzer focusing on a feature in a given new image.
    Type: Grant
    Filed: February 10, 2017
    Date of Patent: June 19, 2018
    Assignee: International Business Machines Corporation
    Inventors: Rahil Garnavi, Dwarikanath Mahapatra, Suman Sedai, Ruwan B. Tennakoon
  • Publication number: 20180122068
    Abstract: A computer-implemented method obtains at least one image from which severity of a given pathological condition presented in the at least one image is to be classified. The method generates a hybrid image representation of the at least one obtained image. The hybrid image representation comprises a concatenation of a discriminative pathology histogram, a generative pathology histogram, and a fully connected representation of a trained baseline convolutional neural network. The hybrid image representation is used to train a classifier to classify the severity of the given pathological condition presented in the at least one image. One non-limiting example of a pathological condition whose severity can be classified with the above method is diabetic retinopathy.
    Type: Application
    Filed: February 7, 2017
    Publication date: May 3, 2018
    Inventors: Rahil Garnavi, Dwarikanath Mahapatra, Pallab Roy, Suman Sedai, Ruwan B. Tennakoon