Patents by Inventor Aizhen Zhou

Aizhen Zhou 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: 20230169666
    Abstract: Various methods and systems are provided for automatically registering and stitching images. In one example, a method includes entering a first image of a subject and a second image of the subject to a model trained to output a transformation matrix based on the first image and the second image, where the model is trained with a plurality of training data sets, each training data set including a pair of images, a mask indicating a region of interest (ROI), and associated ground truth, automatically stitching together the first image and the second image based on the transformation matrix to form a stitched image, and outputting the stitched image for display on a display device and/or storing the stitched image in memory.
    Type: Application
    Filed: December 1, 2021
    Publication date: June 1, 2023
    Inventors: Dibyajyoti Pati, Junpyo Hong, Venkata Ratnam Saripalli, German Guillermo Vera Gonzalez, Dejun Wang, Aizhen Zhou, Gopal B. Avinash, Ravi Soni, Tao Tan, Fuqiang Chen, Yaan Ge
  • Patent number: 11564651
    Abstract: Various methods and systems are provided for x-ray imaging. In one embodiment, a method for an image pasting examination comprises acquiring, via an optical camera and/or depth camera, image data of a subject, controlling an x-ray source and an x-ray detector according to the image data to acquire a plurality of x-ray images of the subject, and stitching the plurality of x-ray images into a single x-ray image. In this way, optimal exposure techniques may be used for individual acquisitions in an image pasting examination such that the optimal dose is utilized, stitching quality is improved, and registration failures are avoided.
    Type: Grant
    Filed: January 14, 2020
    Date of Patent: January 31, 2023
    Assignee: GE Precision Healthcare LLC
    Inventors: Dejun Wang, Jingyi Yang, Yaan Ge, Aizhen Zhou, Katelyn Nye, Gireesha Rao, Buer Qi, Najib Akram
  • Publication number: 20210212650
    Abstract: Various methods and systems are provided for x-ray imaging. In one embodiment, a method for an image pasting examination comprises acquiring, via an optical camera and/or depth camera, image data of a subject, controlling an x-ray source and an x-ray detector according to the image data to acquire a plurality of x-ray images of the subject, and stitching the plurality of x-ray images into a single x-ray image. In this way, optimal exposure techniques may be used for individual acquisitions in an image pasting examination such that the optimal dose is utilized, stitching quality is improved, and registration failures are avoided.
    Type: Application
    Filed: January 14, 2020
    Publication date: July 15, 2021
    Inventors: Dejun Wang, Jingyi Yang, Yaan Ge, Aizhen Zhou, Katelyn Nye, Gireesha Rao, Buer Qi, Najib Akram