Patents by Inventor Xiahan Sang

Xiahan Sang 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, systems, and computer readable media for measuring and correcting drift distortion in images obtained using a scanning microscope
    Patent number: 9831061
    Abstract: The subject matter described herein includes methods, systems, and computer readable media for measuring and correcting drift distortion in images obtained using the scanning microscope. One method includes obtaining an image series of a sample acquired using scanning-microscope by rotating scan coordinates of the microscope between successive image frames. The method further includes determining at least one measurement of an angle or a distance associated with an image feature as a function of rotation angle from the series of rotated images. The method further includes using the at least one measurement to determine a model for drift distortion in the series of images. The method further includes using the drift distortion model to generate a drift corrected image from the series of images.
    Type: Grant
    Filed: December 9, 2014
    Date of Patent: November 28, 2017
    Assignee: NORTH CAROLINA STATE UNIVERSITY
    Inventors: Xiahan Sang, James Michael LeBeau
  • METHODS, SYSTEMS, AND COMPUTER READABLE MEDIA FOR MEASURING AND CORRECTING DRIFT DISTORTION IN IMAGES OBTAINED USING A SCANNING MICROSCOPE
    Publication number: 20160322191
    Abstract: The subject matter described herein includes methods, systems, and computer readable media for measuring and correcting drift distortion in images obtained using the scanning microscope. One method includes obtaining an image series of a sample acquired using scanning-microscope by rotating scan coordinates of the microscope between successive image frames. The method further includes determining at least one measurement of an angle or a distance associated with an image feature as a function of rotation angle from the series of rotated images. The method further includes using the at least one measurement to determine a model for drift distortion in the series of images. The method further includes using the drift distortion model to generate a drift corrected image from the series of images.
    Type: Application
    Filed: December 9, 2014
    Publication date: November 3, 2016
    Inventors: Xiahan Sang, James Michael LeBeau