Patents by Inventor Caifeng Shan

Caifeng Shan 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: 20190313914
    Abstract: The present invention relates to a device, system and method for determining the core body temperature of a subject. To enable continuous core body determination without having to place or direct a sensor at a precise position of the subject's body, the device comprises an image data input (31) for obtaining image data (11) of a subject's skin, a thermal sensor data input (32) for obtaining thermal sensor data (21) of the subject's skin, an image analysis unit (33) for deriving photoplethysmography, PPG, signals from the obtained image data and for detecting one or more skin areas (34) having the strongest PPG signals, and a temperature determination unit (35) for determining the core body temperature (36) of the subject from obtained thermal sensor data for the detected one or more skin areas.
    Type: Application
    Filed: October 26, 2017
    Publication date: October 17, 2019
    Inventors: Ihor Olehovych KIRENKO, Caifeng SHAN, Ronaldus Maria AARTS
  • Patent number: 10441173
    Abstract: A system and a related method extract physiological information from remotely detected electromagnetic radiation. The system includes an interface configured for receiving a data stream including image data representing an observed overall region of at least one subject of interest. A partitioning unit defines a plurality of sub regions in the overall region. A classifier classifies the plurality of sub regions into at least one indicative type of region and at least one auxiliary type of region. The at least one indicative type of region includes at least one indicative region of interest at least partially representing the subject of interest. The at least one auxiliary type of region includes at least one reference region. The system further comprises a data processor configured for processing at least one sub region classified as region of interest, thereby obtaining vital information.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: October 15, 2019
    Assignee: KONINKLIJKE PHILIPS ELECTRONICS N.V.
    Inventors: Caifeng Shan, Alexander Dubielczyk, Andreas Wolfgang Schlack, Rolf Neumann
  • Patent number: 10398328
    Abstract: Various embodiments relate to a wearable device for obtaining signals from a subject for use in the monitoring of pulse-related information of the subject. To enable the use of such a device in the monitoring of pulse-related information, which provides for unobtrusive, reproducible, easy to use, and simple measurements, the device comprises a body, a PPG signal sensing unit for acquiring a first PPG signal from a first body location of the subject, and an imaging unit for acquiring a sequence of images from a second body location of the subject's body different from the first body location, said sequence of images being configured for deriving a second PPG signal for the second body location of the subject. Said PPG signal sensing unit and said imaging unit are mounted in or at the device body and are configured to simultaneously acquire the first PPG signal and the sequence of images.
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: September 3, 2019
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Ihor Olehovych Kirenko, Ronaldus Maria Aarts, Caifeng Shan
  • Publication number: 20190228861
    Abstract: The invention relates to a patient monitoring system (1) comprising a patient monitoring device (5) for monitoring a patient (2), wherein the patient monitoring device is adapted to generate patient monitoring data. An output device (9) provides a control interface (10), which is adapted to allow the user to control the patient monitoring device, in accordance with provided user-CN specific control rules. For instance, the settings of the patient monitoring device can be modified via the provided control interface, wherein the options of setting the patient monitoring device can depend on the respective user. This can ensure that the respective user can only modify the respective setting which the user is allowed to modify, thereby reducing the risk of inappropriate settings of the patient monitoring device. Moreover, by only providing control options, which are relevant for the respective user, the user can be less distracted by irrelevant control information.
    Type: Application
    Filed: July 27, 2017
    Publication date: July 25, 2019
    Applicant: Koninklijke Phlips N.V.
    Inventors: Caifeng SHAN, Ihor Olehovych KIRENKO, Ronaldus Maria AARTS, Andreas FERTIG
  • Patent number: 10349894
    Abstract: The present invention relates to a device and a method for extracting physiological information from remotely detected electromagnetic radiation emitted or reflected by a subject. A data stream derivable from electromagnetic radiation emitted or reflected by a subject is received. The data stream comprises a sequence of signal samples indicative of desired subject motion and of disturbing motion. The signal samples represent at least one region of interest exhibiting an at least partially periodic indicative motion pattern attributable to at least one physiological parameter, and a non-indicative motion region.
    Type: Grant
    Filed: September 19, 2013
    Date of Patent: July 16, 2019
    Assignee: KONINKLIJKE PHILIPS N. V.
    Inventor: Caifeng Shan
  • Patent number: 10292623
    Abstract: The present invention relates to apparatus (10) for determining a respiration volume signal from a subject (12), comprising a processing unit (28) for receiving image data (26) detected from a field of view (42) and for determining an alternating signal (S) including vital sign information (R) of the subject (12) from the image data (26), an analysis unit (30) for determining at least one characteristic parameter (A) corresponding to a respiration parameter of the subject (12) on the basis of the alternating signal (S), a calibration unit (32) for determining a calibration value (V1, V2) on the basis of a breathing volume measured during inhale and/or exhale of the subject (12) by means of an airflow or an air volume measurement, and a calculation unit (34) for calculating the respiration volume of the subject (12) on the basis of the calibration value (V1, V2) and the at least one characteristic parameter (A).
    Type: Grant
    Filed: March 12, 2014
    Date of Patent: May 21, 2019
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Mukul Julius Rocque, Caifeng Shan
  • Patent number: 10201058
    Abstract: Disclosed is a method for improving a lighting condition with a wearable computing device (100), the method comprising determining (302) an actual light condition with an optical sensor arrangement (114, 220); determining (303) the user activity with a further sensor arrangement (116, 230) for determining a user activity, said user activity being associated with a suitable lighting condition for performing said activity; comparing (304), on the wearable computing device, the actual light condition with the suitable light condition; and generating (306, 406) a signal with the wearable device if the actual light condition deviates from the suitable light condition. A computer program product including computer program code for implementing this method when executed on a wearable computing device (100), a wearable computing device (100) including the computer program product and a lighting system kit including a lighting system (200) and the wearable computing device (100) are also disclosed.
    Type: Grant
    Filed: September 7, 2015
    Date of Patent: February 5, 2019
    Assignee: PHILIPS LIGHTING HOLDING B.V.
    Inventors: Caifeng Shan, Radu Serban Jasinschi, Ronaldus Maria Aarts
  • Patent number: 10178958
    Abstract: A device for obtaining vital sign information of a living being comprises a detection unit that receives light in at least one wavelength interval reflected from at least a region of interest of a living being and that generates an input signal from the received light. A processing unit processes the input signal and derives vital sign information of the living being from the input signal by use of remote photoplethysmography. An illumination unit illuminates at least the region of interest with light, and a control unit controls the illumination unit based on the input signal and/or the derived vital sign information.
    Type: Grant
    Filed: December 2, 2013
    Date of Patent: January 15, 2019
    Assignee: Koninklijke Philips N.V.
    Inventors: Siegfried Walter Kaestle, Caifeng Shan
  • Publication number: 20180249918
    Abstract: The present invention relates to a wearable device for obtaining signals from a subject for use in the monitoring of pulse-related information of the subject. To enable the use of such a device in the monitoring of pulse-related information of the subject, which provides for unobtrusive, reproducible, easy to use, and simple measurements, the device comprises a device body (20), a PPG signal sensing unit (21) for acquiring a first photoplethysmography, PPG, signal from a first body location of the subject's body, and an imaging unit (22) for acquiring a sequence of images from a second body location of the subject's body different from the first body location, said sequence of images being configured for deriving a second PPG signal for the second body location of the subject's body. Said PPG signal sensing unit and said imaging unit are mounted in or at the device body and are configured to simultaneously acquire the first PPG signal and the sequence of images.
    Type: Application
    Filed: August 24, 2016
    Publication date: September 6, 2018
    Inventors: Ihor Olehovych Kirenko, Ronaldus Maria Aarts, Caifeng Shan
  • Publication number: 20180180591
    Abstract: A system for detecting halitosis is disclosed that comprises a gas sensor (116) for generating a sensor signal signalling the detection of compounds indicative of halitosis exhaled through an oral cavity; an image sensor (114) for capturing an image (500, 510) of a dental condition and/or tongue condition in said oral cavity; and a processor (110) communicatively coupled to the gas sensor and the image sensor and adapted to process the sensor signal and the image in order to determine if in case of the sensor signal signalling the presence of a compound indicative of halitosis, said halitosis originates from said oral cavity by determining the dental condition and/or tongue condition in said image. A method for detecting halitosis and a computer program product implementing the method are also disclosed.
    Type: Application
    Filed: June 24, 2016
    Publication date: June 28, 2018
    Inventors: RIM HELAOUI, AMIR HUSSEIN RMAILE, RADU SERBAN JASINSCHI, RONALD AARTS, CAIFENG SHAN, JAYPRAKASH PATEL, MARINUS KAREL JOHANNES DE JAGER
  • Patent number: 9955927
    Abstract: A system for accurately detecting a patient's movement during imaging procedures includes a camera for providing a stream of camera images of a part of a patient's exterior and a fiducial element mountable on part of the patient's exterior. The fiducial element is detectable in the stream of images. An image processor is configured to detect a displacement of the fiducial element based on consecutive images including in at least the stream of images and to generate an output signal indicative of the displacement. The fiducial element has an in-plane stiffness which is substantially larger than an in-plane stiffness of the part of the patient's exterior. In addition, the fiducial element and the part of the patient's exterior are provided with substantially equal outer in-plane dimensions.
    Type: Grant
    Filed: May 10, 2010
    Date of Patent: May 1, 2018
    Assignee: Koninklijke Philips N.V.
    Inventors: Bernardus Hendrikus Wilhelmus Hendriks, Michael Cornelis Van Beek, Peter-Andre Redert, Frederik Jan De Bruijn, Drazenko Babic, Robert Johannes Frederik Homan, Ralph Braspenning, Wei Pien Lee, Karl Catharina Van Bree, Caifeng Shan
  • Patent number: 9943371
    Abstract: The present disclosure relates to the measurement of vital signs such as a respiratory rate or a heart rate. In particular, a system (1) for determining a vital sign of a subject (100), comprising an imaging unit (2) for obtaining video data of the subject, a marker (10, 20, 60, 61) directly or indirectly attached to a body of the subject, wherein the marker comprises a graphical pattern (11, 21), an image processing unit (3) for detecting said marker in said video data, and an analysis unit (4) adapted to extract a vital sign parameter related to the vital sign of the subject from said video data and to determine the vital sign from said vital sign parameter. Further aspects of the disclosure relate to a device and a method for determining a vital sign of a subject and a computer program for carrying out said method.
    Type: Grant
    Filed: June 11, 2013
    Date of Patent: April 17, 2018
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Erik Bresch, Jens Muehlsteff, Timo Tigges, Alexander Dubielczyk, Caifeng Shan
  • Publication number: 20180014903
    Abstract: Disclosed is a head-mountable computing device comprising at least one display module; an interface adapted to receive signals and/or data acquired by one or more sensors and to receive data generated by one or more medical devices operated by a wearer of the head-mountable computing device; a processor adapted to identify the wearer's activity based on the received signals and/or data acquired by the one or more sensors and to control said at least one display module to display assistance information on said display module corresponding to the identified wearer's activity.
    Type: Application
    Filed: December 9, 2015
    Publication date: January 18, 2018
    Inventors: Caifeng SHAN, Radu Serban JASINSCHI, Ronaldus Maria AARTS
  • Patent number: 9839375
    Abstract: Data derivable from remotely detected electromagnetic radiation (16) emitted or reflected by a subject (12) is processed. The data includes physiological information. An input signal is received and indicative entities are transmitted. The indicative entities being indicative of physiological information representative of at least one vital parameter (17; 150) in a subject (12) of interest, wherein the indicative entities are detected under consideration of at least one defined descriptive model (114) describing a relation between physical skin appearance characteristics and a corresponding representation in the input signal such that non-indicative side information represented by non-indicative entities in the input signal is substantially undetectable in a resulting transmitted signal. The at least one vital parameter (17; 150) is detected from the transmitted signal including the indicative entities.
    Type: Grant
    Filed: September 17, 2013
    Date of Patent: December 12, 2017
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Caifeng Shan, Ihor Olehovych Kirenko
  • Publication number: 20170351326
    Abstract: Disclosed is an eye training system (10) including a head-mountable computing device (100) comprising at least one display module (106, 106?) arranged to be viewed by the wearer of the head-mountable computing device when wearing the device; and a display processor (108) coupled to the at least one display module for controlling the at least one display module and adapted to display an initial set of eye exercises on the at least one display module; a sensor arrangement (120) for monitoring eye responses of the wearer to the displayed initial set of eye exercises; and a data processor (110) adapted to receive eye response data from the sensor arrangement and to process the eye response data; wherein the display processor is further adapted to display a subsequent set of eye exercises on the at least one display module in response to a processing result of the processed eye response data. A computer program product is also disclosed.
    Type: Application
    Filed: November 4, 2015
    Publication date: December 7, 2017
    Inventors: RONALDUS MARIA AARTS, RADU SERBAN JASINSCHI, CAIFENG SHAN
  • Publication number: 20170325686
    Abstract: The present invention relates to a system and a related method for extracting physiological information from remotely detected electromagnetic radiation. The system comprises an interface configured for receiving a data stream comprising image data representing an observed overall region comprising at least one subject of interest; a partitioning unit configured for defining a plurality of sub regions in the overall region; and a classifier configured for classifying the plurality of sub regions into at least one indicative type of region and at least one auxiliary type of region, wherein the at least one indicative type of region comprises at least one indicative region of interest at least partially representing the subject of interest. Preferably, the at least one auxiliary type of region comprises at least one reference region.
    Type: Application
    Filed: December 20, 2013
    Publication date: November 16, 2017
    Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V.
    Inventors: Caifeng SHAN, Alexander DUBIELCZYK, Andreas Wolfgang SCHLACK, Rolf NEUMANN
  • Publication number: 20170311922
    Abstract: The present invention relates to a visualization apparatus (1) comprising a signal processor (2) for processing measurement signals from an ultrasound measurement (3) and a rendering device (4) coupled to a processor for rendering a representation for discerning a region of tissue with changed property (42) upon energy application to the tissue from a region with unchanged property (41) within two extremities (44,47) of the representation indicative of two boundaries defining the tissue thickness. The rendering of the tissue with changed property (42) and the tissue with unchanged property (41) with different visual aspects is readily absorbable by a person who applies energy to the tissue.
    Type: Application
    Filed: November 17, 2015
    Publication date: November 2, 2017
    Inventors: CAIFENG SHAN, GODEFRIDUS ANTONIUS HARKS, HARM JAN WILLEM BELT, SZABOLCS DELADI, DAVID L. MCGEE, DARRELL L. RANKIN
  • Patent number: 9770212
    Abstract: Physiological information is extracted from detected electromagnetic radiation emitted or reflected by a subject (10). A data stream (30) derivable from the electromagnetic radiation is received. The data stream (30) includes a sequence (76; 152) of signal samples (78a, 78b, 78c; 154a, 154b, 154c) indicative of desired subject motion and of disturbing motion, the signal samples representing at least one region of interest (84; 164) and at least one non-indicative motion region (86; 166). The at least one defined region of interest (84; 164) exhibiting an at least partially periodic indicative motion pattern attributable to at least one physiological parameter (56), and a disturbing motion portion. A sequence (158) of motion compensated samples (80; 160a, 160b, 160c) at least partially compensated for undesired overall motion is derived.
    Type: Grant
    Filed: July 26, 2013
    Date of Patent: September 26, 2017
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Caifeng Shan, Ihor Olehovych Kirenko
  • Publication number: 20170265272
    Abstract: Disclosed is a method for improving a lighting condition with a wearable computing device (100), the method comprising determining (302) an actual light condition with an optical sensor arrangement (114, 220); determining (303) the user activity with a further sensor arrangement (116, 230) for determining a user activity, said user activity being associated with a suitable lighting condition for performing said activity; comparing (304), on the wearable computing device, the actual light condition with the suitable light condition; and generating (306, 406) a signal with the wearable device if the actual light condition deviates from the suitable light condition. A computer program product including computer program code for implementing this method when executed on a wearable computing device (100), a wearable computing device (100) including the computer program product and a lighting system kit including a lighting system (200) and the wearable computing device (100) are also disclosed.
    Type: Application
    Filed: September 7, 2015
    Publication date: September 14, 2017
    Inventors: CAIFENG SHAN, RADU SERBAN JASINSCHI, RONALDUS MARIA AARTS
  • Publication number: 20170055853
    Abstract: Various embodiments relate to a wearable device for obtaining signals from a subject for use in the monitoring of pulse-related information of the subject. To enable the use of such a device in the monitoring of pulse-related information, which provides for unobtrusive, reproducible, easy to use, and simple measurements, the device comprises a body, a PPG signal sensing unit for acquiring a first PPG signal from a first body location of the subject, and an imaging unit for acquiring a sequence of images from a second body location of the subject's body different from the first body location, said sequence of images being configured for deriving a second PPG signal for the second body location of the subject. Said PPG signal sensing unit and said imaging unit are mounted in or at the device body and are configured to simultaneously acquire the first PPG signal and the sequence of images.
    Type: Application
    Filed: August 19, 2016
    Publication date: March 2, 2017
    Inventors: Ihor Olehovych Kirenko, Ronaldus Maria Aarts, Caifeng Shan