Patents by Inventor Kaiqing Liu

Kaiqing 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).

  • Document template detection with optical character recognition
    Patent number: 11527088
    Abstract: Implementations include receiving a first intermediate document representation of a first document, the first intermediate document representation including OCR data of document text and positions of document text in the first document, receiving a set of intermediate template representations for a set of templates, the set of intermediate template representations including, for each template in the set of templates, OCR data representative of template text and positions of template text in a respective template, determining a first sub-set of templates using text-based detection based on the first intermediate document representation and the set of intermediate template representations, determining a second sub-set of templates using position-based detection based on the first intermediate document representations and intermediate template representations associated with one or more templates in the first sub-set of templates, and transmitting instructions to execute template-based data extraction for the fi
    Type: Grant
    Filed: March 23, 2021
    Date of Patent: December 13, 2022
    Assignee: SAP SE
    Inventors: Zhen Shu, Piyush Dane, Kaiqing Liu
  • DOCUMENT TEMPLATE DETECTION WITH OPTICAL CHARACTER RECOGNITION
    Publication number: 20220309277
    Abstract: Implementations include receiving a first intermediate document representation of a first document, the first intermediate document representation including OCR data of document text and positions of document text in the first document, receiving a set of intermediate template representations for a set of templates, the set of intermediate template representations including, for each template in the set of templates, OCR data representative of template text and positions of template text in a respective template, determining a first sub-set of templates using text-based detection based on the first intermediate document representation and the set of intermediate template representations, determining a second sub-set of templates using position-based detection based on the first intermediate document representations and intermediate template representations associated with one or more templates in the first sub-set of templates, and transmitting instructions to execute template-based data extraction for the fi
    Type: Application
    Filed: March 23, 2021
    Publication date: September 29, 2022
    Inventors: Zhen Shu, Piyush Dane, Kaiqing Liu