Patents by Inventor Yifeng PAN

Yifeng PAN 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).

  • Publication number: 20130294696
    Abstract: An image processing method and apparatus is provided. The image processing method includes steps of: generating a first scale binary image from an image, wherein the first scale is smaller than the original scale of the image; detecting at least one text line in the image based on the first scale binary image; generating a second scale binary image from the image, wherein the second scale is larger than the first scale; for each text line, calculating a similarity between corresponding sections in the first scale binary image and the second scale binary image, and removing the text line for which the similarity is lower than a predetermined level; for one or more of the remaining text line(s), performing OCR on corresponding section(s) in the second scale binary image to determine character orientation(s) of corresponding text line(s); and determining the orientation of the image according to the determined character orientation(s).
    Type: Application
    Filed: May 2, 2013
    Publication date: November 7, 2013
    Applicant: FUJITSU LIMITED
    Inventors: Jun SUN, Yifeng PAN, Satoshi NAOI
  • Publication number: 20120288203
    Abstract: Locating text areas in an image and recognizing text contents in the text areas through optical character recognition, OCR; selecting a first class of pending keywords from the recognized text contents to search for webpages; extracting a second class of pending keywords from the retrieved webpages; and determining one or more keywords corresponding to the image from at least the second class of pending keywords. With the embodiment, both OCR and webpage searching can be combined so that the webpages can be retrieved based upon the first class of pending keywords recognized and selected through OCR to ensure convergence of the keywords and then the second class of pending keywords can be selected from the retrieved webpages to ensure correctness of the keywords.
    Type: Application
    Filed: May 8, 2012
    Publication date: November 15, 2012
    Applicant: FUJITSU LIMITED
    Inventors: Yifeng PAN, Jun Sun, Yuanping Zhu, Pan Pan, Yuan He, Satoshi Naoi