Patents by Inventor Do Quan

Do Quan 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).

  • Image processing apparatus, image forming apparatus and image processing method
    Patent number: 8330997
    Abstract: An image processing method, and an image processing apparatus with which to perform the method, the method including generating a scan image by scanning an object, detecting a non-image area affected by external incident light in the scan image according to a pixel-value distribution pattern varied depending on incident angles of the external incident light, and extracting an image area corresponding to the object by removing the non-image area from the scan image.
    Type: Grant
    Filed: July 30, 2009
    Date of Patent: December 11, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Do Quan
  • IMAGE PROCESSING APPARATUS, IMAGE FORMING APPARATUS AND IMAGE PROCESSING METHOD
    Publication number: 20100085611
    Abstract: An image processing method, and an image processing apparatus with which to perform the method, the method including generating a scan image by scanning an object, detecting a non-image area affected by external incident light in the scan image according to a pixel-value distribution pattern varied depending on incident angles of the external incident light, and extracting an image area corresponding to the object by removing the non-image area from the scan Image.
    Type: Application
    Filed: July 30, 2009
    Publication date: April 8, 2010
    Applicant: Samsung Electronics Co., Ltd.
    Inventor: Do QUAN