Patents by Inventor Chundi Liu

Chundi Liu 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).

  • Publication number: 20230401252
    Abstract: An image retrieval system receives an image for which to identify relevant images from an image repository. Relevant images may be of the same environment or object and features and other characteristics. Images in the repository are represented in an image retrieval graph by a set of image nodes connected by edges to other related image nodes with edge weights representing the similarity of the nodes to each other. Based on the received image, the image traversal system identifies an image in the image retrieval graph and alternatively explores and traverses (also termed “exploits”) the image nodes with the edge weights. In the exploration step, image nodes in an exploration set are evaluated to identify connected nodes that are added to a traversal set of image nodes. In the traversal step, the relevant nodes in the traversal set are added to the exploration set and a query result set.
    Type: Application
    Filed: June 29, 2023
    Publication date: December 14, 2023
    Inventors: Maksims Volkovs, Cheng Chang, Guangwei Yu, Chundi Liu
  • Patent number: 11809486
    Abstract: A content retrieval system uses a graph neural network architecture to determine images relevant to an image designated in a query. The graph neural network learns a new descriptor space that can be used to map images in the repository to image descriptors and the query image to a query descriptor. The image descriptors characterize the images in the repository as vectors in the descriptor space, and the query descriptor characterizes the query image as a vector in the descriptor space. The content retrieval system obtains the query result by identifying a set of relevant images associated with image descriptors having above a similarity threshold with the query descriptor.
    Type: Grant
    Filed: August 31, 2022
    Date of Patent: November 7, 2023
    Assignee: The Toronto-Dominion Bank
    Inventors: Chundi Liu, Guangwei Yu, Maksims Volkovs
  • Patent number: 11748400
    Abstract: An image retrieval system receives an image for which to identify relevant images from an image repository. Relevant images may be of the same environment or object and features and other characteristics. Images in the repository are represented in an image retrieval graph by a set of image nodes connected by edges to other related image nodes with edge weights representing the similarity of the nodes to each other. Based on the received image, the image traversal system identifies an image in the image retrieval graph and alternatively explores and traverses (also termed “exploits”) the image nodes with the edge weights. In the exploration step, image nodes in an exploration set are evaluated to identify connected nodes that are added to a traversal set of image nodes. In the traversal step, the relevant nodes in the traversal set are added to the exploration set and a query result set.
    Type: Grant
    Filed: June 23, 2022
    Date of Patent: September 5, 2023
    Assignee: The Toronto-Dominion Bank
    Inventors: Maksims Volkovs, Cheng Chang, Guangwei Yu, Chundi Liu
  • Publication number: 20220414145
    Abstract: A content retrieval system uses a graph neural network architecture to determine images relevant to an image designated in a query. The graph neural network learns a new descriptor space that can be used to map images in the repository to image descriptors and the query image to a query descriptor. The image descriptors characterize the images in the repository as vectors in the descriptor space, and the query descriptor characterizes the query image as a vector in the descriptor space. The content retrieval system obtains the query result by identifying a set of relevant images associated with image descriptors having above a similarity threshold with the query descriptor.
    Type: Application
    Filed: August 31, 2022
    Publication date: December 29, 2022
    Inventors: Chundi Liu, Guangwei Yu, Maksims Volkovs
  • Patent number: 11475059
    Abstract: A content retrieval system uses a graph neural network architecture to determine images relevant to an image designated in a query. The graph neural network learns a new descriptor space that can be used to map images in the repository to image descriptors and the query image to a query descriptor. The image descriptors characterize the images in the repository as vectors in the descriptor space, and the query descriptor characterizes the query image as a vector in the descriptor space. The content retrieval system obtains the query result by identifying a set of relevant images associated with image descriptors having above a similarity threshold with the query descriptor.
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: October 18, 2022
    Assignee: The Toronto-Dominion Bank
    Inventors: Chundi Liu, Guangwei Yu, Maksims Volkovs
  • Publication number: 20220318298
    Abstract: An image retrieval system receives an image for which to identify relevant images from an image repository. Relevant images may be of the same environment or object and features and other characteristics. Images in the repository are represented in an image retrieval graph by a set of image nodes connected by edges to other related image nodes with edge weights representing the similarity of the nodes to each other. Based on the received image, the image traversal system identifies an image in the image retrieval graph and alternatively explores and traverses (also termed “exploits”) the image nodes with the edge weights. In the exploration step, image nodes in an exploration set are evaluated to identify connected nodes that are added to a traversal set of image nodes. In the traversal step, the relevant nodes in the traversal set are added to the exploration set and a query result set.
    Type: Application
    Filed: June 23, 2022
    Publication date: October 6, 2022
    Inventors: Maksims Volkovs, Cheng Chang, Guangwei Yu, Chundi Liu
  • Publication number: 20220277227
    Abstract: The disclosed embodiments include computer-implemented apparatuses and processes that dynamically predict future occurrences of targeted classes of events using adaptively trained machine-learning or artificial-intelligence processes. For example, an apparatus may generate an input dataset based on interaction data associated with a prior temporal interval, and may apply a trained, gradient-boosted, decision-tree process to the input dataset. Based on the application of the trained, gradient-boosted, decision-tree process to the input dataset, the apparatus may generate output data representative of an expected occurrence of a corresponding one of a plurality of targeted events during a future temporal interval, which may be separated from the prior temporal interval by a corresponding buffer interval.
    Type: Application
    Filed: February 25, 2022
    Publication date: September 1, 2022
    Inventors: Guangwei YU, Chundi LIU, Cheng CHANG, Saba ZUBERI, Maksims VOLKOVS, Tomi Johan POUTANEN
  • Patent number: 11397765
    Abstract: An image retrieval system receives an image for which to identify relevant images from an image repository. Relevant images may be of the same environment or object and features and other characteristics. Images in the repository are represented in an image retrieval graph by a set of image nodes connected by edges to other related image nodes with edge weights representing the similarity of the nodes to each other. Based on the received image, the image traversal system identifies an image in the image retrieval graph and alternatively explores and traverses (also termed “exploits”) the image nodes with the edge weights. In the exploration step, image nodes in an exploration set are evaluated to identify connected nodes that are added to a traversal set of image nodes. In the traversal step, the relevant nodes in the traversal set are added to the exploration set and a query result set.
    Type: Grant
    Filed: October 3, 2019
    Date of Patent: July 26, 2022
    Assignee: The Toronto-Dominion Bank
    Inventors: Maksims Volkovs, Cheng Chang, Guangwei Yu, Chundi Liu
  • Publication number: 20210049202
    Abstract: A content retrieval system uses a graph neural network architecture to determine images relevant to an image designated in a query. The graph neural network learns a new descriptor space that can be used to map images in the repository to image descriptors and the query image to a query descriptor. The image descriptors characterize the images in the repository as vectors in the descriptor space, and the query descriptor characterizes the query image as a vector in the descriptor space. The content retrieval system obtains the query result by identifying a set of relevant images associated with image descriptors having above a similarity threshold with the query descriptor.
    Type: Application
    Filed: June 30, 2020
    Publication date: February 18, 2021
    Inventors: Chundi Liu, Guangwei Yu, Maksims Volkovs
  • Publication number: 20200159766
    Abstract: An image retrieval system receives an image for which to identify relevant images from an image repository. Relevant images may be of the same environment or object and features and other characteristics. Images in the repository are represented in an image retrieval graph by a set of image nodes connected by edges to other related image nodes with edge weights representing the similarity of the nodes to each other. Based on the received image, the image traversal system identifies an image in the image retrieval graph and alternatively explores and traverses (also termed “exploits”) the image nodes with the edge weights. In the exploration step, image nodes in an exploration set are evaluated to identify connected nodes that are added to a traversal set of image nodes. In the traversal step, the relevant nodes in the traversal set are added to the exploration set and a query result set.
    Type: Application
    Filed: October 3, 2019
    Publication date: May 21, 2020
    Inventors: Maksims Volkovs, Cheng Chang, Guangwei Yu, Chundi Liu
  • Patent number: D1008971
    Type: Grant
    Filed: May 22, 2023
    Date of Patent: December 26, 2023
    Inventor: Chundi Liu