Patents by Inventor Mingye Wu

Mingye Wu 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).

  • Patent number: 11435265
    Abstract: A method for estimating a state of a combined heat and power system is provided. The method include: establishing an objective function; establishing constraints under a steady-state operating stage; converting the objective function and the constraints by utilizing a Lagrangian multiplier to obtain a Lagrange function; obtaining a steady-state estimation result of the combined heat and power system based on the Lagrange function; calculating an energy transmission delay produced by each pipe; establishing a dynamic constraint of each pipe based on the steady-state estimation result and the energy transmission delay; converting the objective function, the constraints, and the dynamic constraint by utilizing the Lagrangian multiplier to update the Lagrange function; obtaining a dynamic-state estimation result of the combined heat and power system during a dynamic-state operating stage of the combined heat and power system based on the updated Lagrange function.
    Type: Grant
    Filed: April 6, 2020
    Date of Patent: September 6, 2022
    Assignee: TSINGHUA UNIVERSITY
    Inventors: Hongbin Sun, Qinglai Guo, Bin Wang, Tongtian Sheng, Boming Zhang, Wenchuan Wu, Mingye Zhang
  • Patent number: 11353411
    Abstract: Various methods and systems are provided for multi-material decomposition for computed tomography. In one embodiment, a method comprises acquiring, via an imaging system, projection data for a plurality of x-ray spectra, estimating path lengths for a plurality of materials based on the projection data and calibration data for the imaging system, iteratively refining the estimated path lengths based on a linearized model derived from the calibration data, and reconstructing material-density images for each material of the plurality of materials from the iteratively-refined estimated path lengths. By determining path-length estimates in this way without modeling the physics of the imaging system, accurate material decomposition may be performed more quickly and with less sensitivity to changes in physics of the system, and furthermore may be extended to more than two materials.
    Type: Grant
    Filed: June 1, 2020
    Date of Patent: June 7, 2022
    Assignee: GE Precision Healthcare LLC
    Inventors: Sathish Ramani, Mingye Wu, Bruno De Man, Peter Edic
  • Patent number: 11246555
    Abstract: Methods and systems are provided for dual energy imaging. In one embodiment, a method for a dual energy imaging system comprises determining a first tube potential and a second tube potential according to a size of a subject, and controlling the dual energy imaging system with the first tube potential and the second tube potential to generate lower energy x-rays and higher energy x-rays respectively to image the subject. In this way, image quality may be increased while minimizing dose during dual energy imaging of a particular imaging subject.
    Type: Grant
    Filed: May 17, 2019
    Date of Patent: February 15, 2022
    Assignee: GE Precision Healthcare LLC
    Inventors: Jiahua Fan, Zhoubo Li, Mingye Wu, Ryan Lemminger, Priti Madhav, Rajeshwari Karthikeyan
  • Publication number: 20210378619
    Abstract: Various methods and systems are provided for stationary CT imaging. In one embodiment, a method for an imaging system includes activating an emitter of a plurality of emitters of a stationary distributed x-ray source unit to emit an x-ray beam toward an object within an imaging volume, where the x-ray source unit does not rotate around the imaging volume, receiving the x-ray beam at a subset of detector elements of a plurality of detector elements of one or more detector arrays, sampling the plurality of detector elements to generate a total transmission profile, an attenuation profile, and a scatter measurement, generating a scatter-corrected attenuation profile by entering the total transmission profile, the attenuation profile, and the scatter measurement as inputs to a model, and reconstructing one or more images from the scatter-corrected attenuation profile.
    Type: Application
    Filed: June 8, 2021
    Publication date: December 9, 2021
    Inventors: Bruno Kristiaan Bernard De Man, Jed Douglas Pack, Mingye Wu, Chad Allan Smith, Jean-Baptiste Thibault
  • Publication number: 20210378618
    Abstract: Various methods and systems are provided for stationary CT imaging. In one embodiment, an imaging system comprises a stationary distributed x-ray source unit comprising a plurality of emitters positioned to emit x-ray beams through the imaging volume, one or more detector arrays extending around at least a portion of an imaging volume, each detector array comprising a plurality of detector elements, each detector element configured to receive x-ray beams from more than one emitter, and an anti-scatter device configured to be positioned between one or more emitters of the plurality of emitters and an object in the imaging volume.
    Type: Application
    Filed: June 8, 2021
    Publication date: December 9, 2021
    Inventors: Bruno Kristiaan Bernard De Man, Jed Douglas Pack, Mingye Wu, Chad Allan Smith, Jean-Baptiste Thibault
  • Publication number: 20210372951
    Abstract: Various methods and systems are provided for multi-material decomposition for computed tomography. In one embodiment, a method comprises acquiring, via an imaging system, projection data for a plurality of x-ray spectra, estimating path lengths for a plurality of materials based on the projection data and calibration data for the imaging system, iteratively refining the estimated path lengths based on a linearized model derived from the calibration data, and reconstructing material-density images for each material of the plurality of materials from the iteratively-refined estimated path lengths. By determining path-length estimates in this way without modeling the physics of the imaging system, accurate material decomposition may be performed more quickly and with less sensitivity to changes in physics of the system, and furthermore may be extended to more than two materials.
    Type: Application
    Filed: June 1, 2020
    Publication date: December 2, 2021
    Inventors: Sathish Ramani, Mingye Wu, Bruno De Man, Peter Edic
  • Patent number: 11141128
    Abstract: The techniques disclosed may be used to detect and correct channel gain errors resulting from X-ray focal spot mis-alignment during the course of a scan. One benefit of the present invention relative to conventional techniques is that additional hardware is not required for detection of focal spot drift. Instead, the static mis-alignment of each blade is taken into account as part of estimating and correcting X-ray focal spot drift or mis-alignment. In this manner, the risk of image artefacts due to focal spot motion is reduced and the need for costly hardware solutions to detect focal spot motion is avoided.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: October 12, 2021
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Biju Jacob, Mingye Wu, Mark Allen Adamak
  • Patent number: 11134907
    Abstract: A signal processing method is disclosed, which includes detecting a total intensity of X-rays passing through an object comprising multiple materials; obtaining at least one set of basis information of basis material information of the multiple materials and basis component information of photon-electric absorption basis component and Compton scattering basis component of the object; estimating a scatter intensity component of the detected X-rays based on the at least one set of basis information and the detected total intensity; and obtaining an intensity estimate of primary X-rays incident on a detector based on the detected total intensity and the estimated scatter intensity component. An imaging system adopting the above signal processing method is also disclosed.
    Type: Grant
    Filed: February 5, 2020
    Date of Patent: October 5, 2021
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Xue Rui, Mingye Wu, Yannan Jin, Peter Michael Edic, Bruno Kristiaan Bernard De Man
  • Publication number: 20210177372
    Abstract: The techniques disclosed may be used to detect and correct channel gain errors resulting from X-ray focal spot mis-alignment during the course of a scan. One benefit of the present invention relative to conventional techniques is that additional hardware is not required for detection of focal spot drift. Instead, the static mis-alignment of each blade is taken into account as part of estimating and correcting X-ray focal spot drift or mis-alignment. In this manner, the risk of image artefacts due to focal spot motion is reduced and the need for costly hardware solutions to detect focal spot motion is avoided.
    Type: Application
    Filed: December 13, 2019
    Publication date: June 17, 2021
    Inventors: Biju Jacob, Mingye Wu, Mark Allen Adamak
  • Publication number: 20200359987
    Abstract: Methods and systems are provided for dual energy imaging. In one embodiment, a method for a dual energy imaging system comprises determining a first tube potential and a second tube potential according to a size of a subject, and controlling the dual energy imaging system with the first tube potential and the second tube potential to generate lower energy x-rays and higher energy x-rays respectively to image the subject. In this way, image quality may be increased while minimizing dose during dual energy imaging of a particular imaging subject.
    Type: Application
    Filed: May 17, 2019
    Publication date: November 19, 2020
    Inventors: Jiahua Fan, Zhoubo Li, Mingye Wu, Ryan Lemminger, Priti Madhav, Rajeshwari Karthikeyan
  • Publication number: 20200232938
    Abstract: The present disclosure relates to the design of phantoms configurable using one or more inserts and to their use in generating images that may be used to compare image quality between different imaging systems. Such phantoms may have a modular design with inserts that may be exchanged one for another within a phantom body.
    Type: Application
    Filed: January 17, 2020
    Publication date: July 23, 2020
    Inventors: Paul Francis Fitzgerald, John Scott Price, William Robert Ross, Mingye Wu, Lin Fu, Michelle Brault, Bruno Kristiaan Bernard De Man, Xin Li
  • Publication number: 20200193654
    Abstract: A method for imaging an object to be reconstructed includes acquiring projection data corresponding to the object. Furthermore, the method includes generating a measured sinogram based on the acquired projection data and formulating a forward model, where the forward model is representative of a characteristic of the imaging system. In addition, the method includes generating an estimated sinogram based on an estimated image of the object and the forward model and formulating a statistical model based on at least one of pile-up characteristics and dead time characteristics of a detector of the imaging system. Moreover, the method includes determining an update corresponding to the estimated image based on the statistical model, the measured sinogram, and the estimated sinogram and updating the estimated image based on the determined update to generate an updated image of the object. Additionally, the method includes outputting a final image of the object.
    Type: Application
    Filed: December 17, 2018
    Publication date: June 18, 2020
    Inventors: Brian David Yanoff, Mingye Wu, Lin Fu, Peter Michael Edic, Xue Rui, Geng Fu, Yannan Jin, Fredrik Gronberg
  • Patent number: 10679385
    Abstract: A method for imaging an object to be reconstructed includes acquiring projection data corresponding to the object. Furthermore, the method includes generating a measured sinogram based on the acquired projection data and formulating a forward model, where the forward model is representative of a characteristic of the imaging system. In addition, the method includes generating an estimated sinogram based on an estimated image of the object and the forward model and formulating a statistical model based on at least one of pile-up characteristics and dead time characteristics of a detector of the imaging system. Moreover, the method includes determining an update corresponding to the estimated image based on the statistical model, the measured sinogram, and the estimated sinogram and updating the estimated image based on the determined update to generate an updated image of the object. Additionally, the method includes outputting a final image of the object.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: June 9, 2020
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Brian David Yanoff, Mingye Wu, Lin Fu, Peter Michael Edic, Xue Rui, Geng Fu, Yannan Jin, Fredrik Gronberg
  • Publication number: 20200170599
    Abstract: A signal processing method is disclosed, which includes detecting a total intensity of X-rays passing through an object comprising multiple materials; obtaining at least one set of basis information of basis material information of the multiple materials and basis component information of photon-electric absorption basis component and Compton scattering basis component of the object; estimating a scatter intensity component of the detected X-rays based on the at least one set of basis information and the detected total intensity; and obtaining an intensity estimate of primary X-rays incident on a detector based on the detected total intensity and the estimated scatter intensity component. An imaging system adopting the above signal processing method is also disclosed.
    Type: Application
    Filed: February 5, 2020
    Publication date: June 4, 2020
    Inventors: Xue Rui, Mingye Wu, Yannan Jin, Peter Michael Edic, Bruno Kristiaan Bernard De Man
  • Patent number: 10610173
    Abstract: The present approach relates to avoiding azimuthal blur in a computed tomography context, such as in dual energy imaging with fast kV switching. In accordance with certain aspects, the focal spot position is held stationary in the patient coordinate system within each respective view and the detector signals within the view are summed. In one embodiment, this results in the low and high energy views within the signal being collected from the same position within the patient coordinate system.
    Type: Grant
    Filed: January 16, 2018
    Date of Patent: April 7, 2020
    Assignee: General Electric Company
    Inventors: Yannan Jin, Jiahua Fan, Mingye Wu, Feng Chen, Bruno Kristiaan Bernard De Man
  • Patent number: 10595803
    Abstract: A signal processing method is disclosed, which includes detecting a total intensity of X-rays passing through an object comprising multiple materials; obtaining at least one set of basis information of basis material information of the multiple materials and basis component information of photon-electric absorption basis component and Compton scattering basis component of the object; estimating a scatter intensity component of the detected X-rays based on the at least one set of basis information and the detected total intensity; and obtaining an intensity estimate of primary X-rays incident on a detector based on the detected total intensity and the estimated scatter intensity component. An imaging system adopting the above signal processing method is also disclosed.
    Type: Grant
    Filed: September 13, 2016
    Date of Patent: March 24, 2020
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Xue Rui, Mingye Wu, Yannan Jin, Peter Michael Edic, Bruno Kristiaan Bernard De Man
  • Publication number: 20190216413
    Abstract: The present approach relates to avoiding azimuthal blur in a computed tomography context, such as in dual energy imaging with fast kV switching. In accordance with certain aspects, the focal spot position is held stationary in the patient coordinate system within each respective view and the detector signals within the view are summed. In one embodiment, this results in the low and high energy views within the signal being collected from the same position within the patient coordinate system.
    Type: Application
    Filed: January 16, 2018
    Publication date: July 18, 2019
    Inventors: Yannan Jin, Jiahua Fan, Mingye Wu, Feng Chen, Bruno Kristiaan Bernard De Man
  • Publication number: 20170215829
    Abstract: A signal processing method is disclosed, which includes detecting a total intensity of X-rays passing through an object comprising multiple materials; obtaining at least one set of basis information of basis material information of the multiple materials and basis component information of photon-electric absorption basis component and Compton scattering basis component of the object; estimating a scatter intensity component of the detected X-rays based on the at least one set of basis information and the detected total intensity; and obtaining an intensity estimate of primary X-rays incident on a detector based on the detected total intensity and the estimated scatter intensity component. An imaging system adopting the above signal processing method is also disclosed.
    Type: Application
    Filed: September 13, 2016
    Publication date: August 3, 2017
    Inventors: Xue Rui, Mingye Wu, Yannan Jin, Peter Michael Edic, Bruno Kristiaan Bernard De Man