Patents by Inventor Xuan Dai Pham

Xuan Dai Pham 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).

  • Methods and devices for detecting changes in background of images using multiple binary images thereof and hough transformation
    Patent number: 8355599
    Abstract: The invention relates to a device and method for detecting changes in background of successive images. More particularly, the invention relates to a device and method for detecting changes in background of successive images by obtaining vertically accumulated values and horizontally accumulated values from multiple binary images of previous image and current image, obtaining pairs of rows and pairs of columns based on the vertically accumulated values and horizontally accumulated values, and transforming pairs of rows and pairs of columns using Hough transformation. Also, the invention relates to an interface system including background changes detecting device and display device connected to the background changes detecting device.
    Type: Grant
    Filed: May 19, 2009
    Date of Patent: January 15, 2013
    Assignee: Sungkyunkwan University Foundation for Corporate Collaboration
    Inventors: Jae Wook Jeon, Sang Jun Lee, Xuan Dai Pham, Seung Hun Jin, Dong Kyun Kim, Ki Hoon Kim, Jung Uk Cho
  • METHODS AND DEVICES FOR DETECTING CHANGES IN BACKGROUND OF IMAGES USING MULTIPLE BINARY IMAGES THEREOF AND HOUGH TRANSFORMATION
    Publication number: 20100215287
    Abstract: The invention relates to a device and method for detecting changes in background of successive images. More particularly, the invention relates to a device and method for detecting changes in background of successive images by obtaining vertically accumulated values and horizontally accumulated values from multiple binary images of previous image and current image, obtaining pairs of rows and pairs of columns based on the vertically accumulated values and horizontally accumulated values, and transforming pairs of rows and pairs of columns using Hough transformation. Also, the invention relates to an interface system including background changes detecting device and display device connected to the background changes detecting device.
    Type: Application
    Filed: May 19, 2009
    Publication date: August 26, 2010
    Applicant: SUNGKYUNKWAN UNIVERSITY Foundation for Corporated Collaboration
    Inventors: Jae Wook Jeon, Sang Jun Lee, Xuan Dai Pham, Seung Hun Jin, Dong Kyun Kim, Ki Hoon Kim, Jung Uk Cho