Patents by Inventor Hsuan-Ting Chang

Hsuan-Ting Chang 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).

  • Endoscopic navigation method and endoscopic navigation system
    Patent number: 8553953
    Abstract: An endoscopic navigation method includes the steps of: receiving an image from an endoscopic navigation system; performing image classification to determined whether the image is usable; performing a first image process on the image to filter out dark areas of the image to produce a first processed image; performing a first determination procedure to identify the dark areas of the first processed image; producing a first result image for indicating lumen direction; performing a second image process to filter out fold curves of the image to produce a second processed image when there is no dark area in the image; performing a second determination procedure to identify the fold curves of the second processed image; producing a second result image for indicating lumen direction according to the fold curves; and outputting the first or the second result image to a display device to assist users in operating the photographic device.
    Type: Grant
    Filed: June 22, 2010
    Date of Patent: October 8, 2013
    Assignee: National Yunlin University of Science and Technology
    Inventors: Tsung-Chun Lee, Syu-Jyun Peng, Hsuan-Ting Chang, Hsiu-Po Wang
  • ENDOSCOPIC NAVIGATION METHOD AND ENDOSCOPIC NAVIGATION SYSTEM
    Publication number: 20110160534
    Abstract: An endoscopic navigation method includes the steps of: receiving an image from an endoscopic navigation system; performing image classification to determined whether the image is usable; performing a first image process on the image to filter out dark areas of the image to produce a first processed image; performing a first determination procedure to identify the dark areas of the first processed image; producing a first result image for indicating lumen direction; performing a second image process to filter out fold curves of the image to produce a second processed image when there is no dark area in the image; performing a second determination procedure to identify the fold curves of the second processed image; producing a second result image for indicating lumen direction according to the fold curves; and outputting the first or the second result image to a display device to assist users in operating the photographic device.
    Type: Application
    Filed: June 22, 2010
    Publication date: June 30, 2011
    Applicants: NATIONAL YUNLIN UNIVERSITY OF SCIENCE AND TECHNOLOGY, HSIU-PO WANG
    Inventors: Tsung-Chun Lee, Syu-Jyun Peng, Hsuan-Ting Chang, Hsiu-Po Wang