Patents by Inventor Zhuolin Liang

Zhuolin Liang 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).

  • Dictionary generation apparatus, evaluation apparatus, dictionary generation method, evaluation method, and storage medium for selecting data and generating a dictionary using the data
    Patent number: 11521099
    Abstract: Embodiments of the present invention are directed to learning of an appropriate dictionary which has a high expression ability of minority data while preventing reduction of an expression ability of majority data. A dictionary generation apparatus which generates a dictionary used for discriminating whether data to be discriminated belongs to a specific category includes a generation unit configured to generate a first dictionary based on learning data belonging to the specific category and a selection unit configured to estimate a degree of matching of the learning data at each portion with the first dictionary using the generated first dictionary and select a portion of the learning data based on the estimated degree of matching, wherein the generation unit generates a second dictionary based on the selected portion of the learning data.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: December 6, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Zhuolin Liang, Yusuke Mitarai, Masafumi Takimoto, Masakazu Matsugu
  • DICTIONARY GENERATION APPARATUS, EVALUATION APPARATUS, DICTIONARY GENERATION METHOD, EVALUATION METHOD, AND STORAGE MEDIUM
    Publication number: 20180204132
    Abstract: Embodiments of the present invention are directed to learning of an appropriate dictionary which has a high expression ability of minority data while preventing reduction of an expression ability of majority data. A dictionary generation apparatus which generates a dictionary used for discriminating whether data to be discriminated belongs to a specific category includes a generation unit configured to generate a first dictionary based on learning data belonging to the specific category and a selection unit configured to estimate a degree of matching of the learning data at each portion with the first dictionary using the generated first dictionary and select a portion of the learning data based on the estimated degree of matching, wherein the generation unit generates a second dictionary based on the selected portion of the learning data.
    Type: Application
    Filed: January 12, 2018
    Publication date: July 19, 2018
    Inventors: Zhuolin Liang, Yusuke Mitarai, Masafumi Takimoto, Masakazu Matsugu