Patents by Inventor Qianqian Fang

Qianqian Fang 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: 20240040043
    Abstract: Disclosed is a method for managing acoustic feedback in real-time audio communications in a communications system, the method comprising determining, by means of a detection module, whether a first communication device is in loudspeaker mode, whether the first communication device is in real-time audio communications with a second communication, and whether the first communication device and the second communication device are in a same acoustic space. Upon determining that this is the case a request signal for requesting one or more measures against acoustic feedback is provided to a mitigation module. Further disclosed are a device and a system configured to perform the method, a non-transitory computer-readable medium, an encoder and a decoder.
    Type: Application
    Filed: December 22, 2021
    Publication date: February 1, 2024
    Applicant: Dolby Laboratories Licensing Corporation
    Inventors: Qianqian FANG, Kai LI, Yanmeng GUO, Wei HUANG, Yang LIU
  • Publication number: 20230371852
    Abstract: Methods and systems for performing optical imaging are provided. An optical imaging system includes a light source configured to generate a spatially-distributed illumination beam of temporally-varying light and a detector configured to detect light resulting from an interaction between the illumination beam and a sample. The system further includes a processor configured to determine spatial and temporal characteristics of the detected light and generate a representation of the sample based on the determined spatial and temporal characteristics.
    Type: Application
    Filed: May 23, 2023
    Publication date: November 23, 2023
    Inventors: Qianqian Fang, Miguel Adrian Mireles Nunez, Edward Xu
  • Patent number: 11677879
    Abstract: Some disclosed teleconferencing methods may involve detecting a howl state during a teleconference. The teleconference may involve two or more teleconference client locations and a teleconference server. The teleconference server may be configured for providing full-duplex audio connectivity between the teleconference client locations. The howl state may be a state of acoustic feedback involving two or more teleconference devices in a teleconference client location. Detecting the howl state may involve an analysis of both spectral and temporal characteristics of teleconference audio data. Some disclosed teleconferencing methods may involve determining which client location is causing the howl state. Some such methods may involve mitigating the howl state and/or sending a howl state detection message.
    Type: Grant
    Filed: March 10, 2022
    Date of Patent: June 13, 2023
    Assignee: DOLBY LABORATORIES LICENSING CORPORATION
    Inventors: Kai Li, David Gunawan, Feng Deng, Qianqian Fang
  • Patent number: 11589749
    Abstract: A flexible head probe and modular head probe system that includes an optical functional near-infrared spectroscopy (fNIRS) system and integrated position sensor. The head probe and modular head probe system determines physiological data based upon the optical information gathered by the fNIRS system and gathers motion and position data from the position sensor. The physiological data and motion and position data are combined to permit topographical and tomographic analyses of a user's brain tissue.
    Type: Grant
    Filed: July 23, 2019
    Date of Patent: February 28, 2023
    Assignee: Northeastern University
    Inventors: Morris Dwight Vanegas, Qianqian Fang
  • Publication number: 20220383889
    Abstract: A method is disclosed herein for adapting parameters of a sibilance detector. Time-frequency features are extracted from an audio signal being received and. Based on those time-frequency features, a determination is made of whether the audio signal includes a short-term feature or a long-term feature. In accordance with determining that the audio signal includes the short-term feature or the long-term feature, one or more parameters of a sibilance detector for detecting sibilance in the audio signal are adapted. Sibilance in the audio signal, is detected using the sibilance detector with the one or more adapted parameters.
    Type: Application
    Filed: July 16, 2020
    Publication date: December 1, 2022
    Applicant: Dolby Laboratories Licensing Corporation
    Inventors: Yuanxing Ma, Kai Li, Qianqian Fang
  • Publication number: 20220201125
    Abstract: Some disclosed teleconferencing methods may involve detecting a howl state during a teleconference. The teleconference may involve two or more teleconference client locations and a teleconference server. The teleconference server may be configured for providing full-duplex audio connectivity between the teleconference client locations. The howl state may be a state of acoustic feedback involving two or more teleconference devices in a teleconference client location. Detecting the howl state may involve an analysis of both spectral and temporal characteristics of teleconference audio data. Some disclosed teleconferencing methods may involve determining which client location is causing the howl state. Some such methods may involve mitigating the howl state and/or sending a howl state detection message.
    Type: Application
    Filed: March 10, 2022
    Publication date: June 23, 2022
    Applicant: DOLBY LABORATORIES LICENSING CORPORATION
    Inventors: Kai Li, David Gunawan, Feng Deng, Qianqian Fang
  • Patent number: 11277518
    Abstract: The disclosed teleconferencing methods involve detecting a howl state during a teleconference which involves two or more teleconference client locations and a teleconference server. The teleconference server is configured for providing full-duplex audio connectivity between the teleconference client locations. The howl state is a state of acoustic feedback involving two or more teleconference devices in a teleconference client location. Detecting the howl state involves an analysis of both spectral and temporal characteristics of teleconference audio data. The disclosed teleconferencing methods involve determining which client location is causing the howl state and involve mitigating the howl state or sending a howl state detection message.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: March 15, 2022
    Assignee: Dolby Laboratories Licensing Corporation
    Inventors: Kai Li, David Gunawan, Feng Deng, Qianqian Fang
  • Patent number: 11246529
    Abstract: A detector and inclusion location method that uses a reconstruction technique to target and localize sparse small-sized but high-contrast objects, such as a tumor inside tissue. The reconstruction technique applied, can dramatically enhance the property contrast of the tumors or abnormal inclusions by ten to one hundred fold. The reconstruction technique enables the use of nonlinear imaging ill-posed techniques that are function-oriented imaging techniques without any need for structural prior knowledge.
    Type: Grant
    Filed: July 15, 2019
    Date of Patent: February 15, 2022
    Assignee: Northeastern University
    Inventor: Qianqian Fang
  • Publication number: 20210136230
    Abstract: The disclosed teleconferencing methods involve detecting a howl state during a teleconference which involves two or more teleconference client locations and a teleconference server. The teleconference server is configured for providing full-duplex audio connectivity between the teleconference client locations. The howl state is a state of acoustic feedback involving two or more teleconference devices in a teleconference client location. Detecting the howl state involves an analysis of both spectral and temporal characteristics of teleconference audio data. The disclosed teleconferencing methods involve determining which client location is causing the howl state and involve mitigating the howl state or sending a howl state detection message.
    Type: Application
    Filed: September 27, 2018
    Publication date: May 6, 2021
    Applicant: DOLBY LABORATORIES LICENSING CORPORATION
    Inventors: Kai LI, David GUNAWAN, Feng DENG, Qianqian FANG
  • Publication number: 20200022581
    Abstract: A flexible head probe and modular head probe system that includes an optical functional near-infrared spectroscopy (fNIRS) system and integrated position sensor. The head probe and modular head probe system determines physiological data based upon the optical information gathered by the fNIRS system and gathers motion and position data from the position sensor. The physiological data and motion and position data are combined to permit topographical and tomographic analyses of a user's brain tissue.
    Type: Application
    Filed: July 23, 2019
    Publication date: January 23, 2020
    Inventors: Morris Dwight Vanegas, Qianqian Fang
  • Publication number: 20200015744
    Abstract: A detector and inclusion location method that uses a reconstruction technique to target and localize sparse small-sized but high-contrast objects, such as a tumor inside tissue. The reconstruction technique applied, can dramatically enhance the property contrast of the tumors or abnormal inclusions by ten to one hundred fold. The reconstruction technique enables the use of nonlinear imaging ill-posed techniques that are function-oriented imaging techniques without any need for structural prior knowledge.
    Type: Application
    Filed: July 15, 2019
    Publication date: January 16, 2020
    Inventor: Qianqian Fang
  • Publication number: 20160150976
    Abstract: Exemplary of the present disclosure can include an apparatus for generating thermal imaging information of a biological structure(s), including detector arrangement(s) which can be configured to receive and detect light radiation(s), a determination arrangement(s) which can be configured to determine a position or an orientation of the detector arrangement(s) with respect to the biological structure(s) to generate data, and a computer arrangement configured to generate the thermal imaging information based on the radiation and the data when the detector arrangement(s) is moved. The thermal imaging information can include a 2-dimension temperature map(s) of a portion(s) of the biological structure(s).
    Type: Application
    Filed: June 25, 2014
    Publication date: June 2, 2016
    Applicant: The General Hospital Corporation
    Inventors: Qianqian Fang, Bernhard Zimmermann, Linda T. Wang, Patricia Hibberd, Robert Cleveland, Jim Lewis
  • Patent number: 9265460
    Abstract: An exemplary apparatus can be provided to determine information regarding a sample(s), which can include, for example an arrangement(s) composed of, at least partially, a particular material in a predetermined area thereof, and including a light facilitating device that can be configured to provide or receive a light radiation(s) to or from the sample(s). The particular material can have a characteristic which can facilitate a sufficient amount of X-ray radiation to pass therethrough so as to generate an X-ray image(s). An X-ray absorption of the material can be at most about 10 times that of a ¼? acrylic plate. The light facilitating device can include a light transmitting configuration which can provide the light radiation(s) to the sample.
    Type: Grant
    Filed: October 17, 2014
    Date of Patent: February 23, 2016
    Assignee: The General Hospital Corporation
    Inventors: David Boas, Stefan Carp, Mark Martino, Qianqian Fang
  • Publication number: 20150110242
    Abstract: An exemplary apparatus can be provided to determine information regarding a sample(s), which can include, for example an arrangement(s) composed of, at least partially, a particular material in a predetermined area thereof, and including a light facilitating device that can be configured to provide or receive a light radiation(s) to or from the sample(s). The particular material can have a characteristic which can facilitate a sufficient amount of X-ray radiation to pass therethrough so as to generate an X-ray image(s). An X-ray absorption of the material can be at most about 10 times that of a ¼? acrylic plate. The light facilitating device can include a light transmitting configuration which can provide the light radiation(s) to the sample.
    Type: Application
    Filed: October 17, 2014
    Publication date: April 23, 2015
    Inventors: DAVID BOAS, STEFAN CARP, MARK MARTINO, QIANQIAN FANG
  • Publication number: 20150078642
    Abstract: Method for providing external response based on changes in physiological status of biological sample determined by co-registration of sample images acquired in near-infrared and visible light, optionally by the user himself with a camera of a cell-phone cooperated with the data-processing unit. The NIR and visible image data are spatially co-registered with respect to spatial reference points associated with positions and orientations of camera to spatially coordinate the NIR and visible light images. Three-dimensional surface representing a sample's shape is determined based on stereo analysis of the first data. The NIR data is mapped onto such surface based on established spatial correlation to generate a topographic image representing the subsurface ROI and conforming to the sample's surface at multiple locations.
    Type: Application
    Filed: April 23, 2013
    Publication date: March 19, 2015
    Inventor: Qianqian Fang
  • Patent number: 7825667
    Abstract: A microwave imaging process, and a system controlled by an associated software product, illuminate a target with microwaves from a transmitting antenna. Receiving antennas receive microwaves scattered by the target, and form microwave data. The illumination and receiving repeat over multiple transmitting antennas and multiple microwave frequencies. The microwave data is processed to form permittivity and conductivity images by selecting a background dispersion model for permittivity and conductivity. Permittivity and conductivity dispersion coefficients are determined, and permittivity and conductivity distributions are calculated, for each of the microwave frequencies. Forward solutions at multiple frequencies are determined from property distributions, and a dispersion coefficient based Jacobian matrix is determined. Dispersion coefficient updates are determined using the microwave data, and the dispersion coefficients are updated.
    Type: Grant
    Filed: December 21, 2005
    Date of Patent: November 2, 2010
    Assignee: Microwave Imaging Systems Technologies, Inc.
    Inventors: Qianqian Fang, Paul M. Meaney, Keith D. Paulsen
  • Publication number: 20060241410
    Abstract: A microwave imaging process, and a system controlled by an associated software product, illuminate a target with microwaves from a transmitting antenna. Receiving antennas receive microwaves scattered by the target, and form microwave data. The illumination and receiving repeat over multiple transmitting antennas and multiple microwave frequencies. The microwave data is processed to form permittivity and conductivity images by selecting a background dispersion model for permittivity and conductivity. Permittivity and conductivity dispersion coefficients are determined, and permittivity and conductivity distributions are calculated, for each of the microwave frequencies. Forward solutions at multiple frequencies are determined from property distributions, and a dispersion coefficient based Jacobian matrix is determined. Dispersion coefficient updates are determined using the microwave data, and the dispersion coefficients are updated.
    Type: Application
    Filed: December 21, 2005
    Publication date: October 26, 2006
    Inventors: Qianqian Fang, Paul Meaney, Keith Paulsen