Patents by Inventor Myoung Ju WON

Myoung Ju WON 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).

  • Method and apparatus for extracting of facial movement information
    Patent number: 10977807
    Abstract: A method of extracting facial movement information capable of effectively canceling noise includes: obtaining an image of a subject's face with a camera; extracting raw data on facial movement from the image; detecting macro movement data from the raw data; and removing the macro movement component from the raw data to obtain refined micro movement data.
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: April 13, 2021
    Inventors: Min Cheol Whang, Sung Teac Hwang, Myoung Ju Won, Dong Won Lee
  • Method and system for detecting information of brain-heart connectivity by using pupillary variation
    Patent number: 10667714
    Abstract: Provided are a method and system for detecting information of brain-heart connectivity, the method comprising: obtaining moving images of a pupil and an electrocardiogram (ECG) signal from a subject; acquiring a pupil size variation (PSV) from the moving images by separating the moving images at a predetermined time range after R-peak of the ECG signal; extracting signals of a first period and a second period from the PSV; calculating alpha powers of the signals of the first and second periods at predetermined frequencies respectively.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: June 2, 2020
    Assignees: SANGMYUNG UNIVERSITY INDUSTRY-ACADEMY COOPERATION FOUNDATION, CENTER OF HUMAN-CENTERED INTERACTION FOR COEXISTENCE
    Inventors: Sang In Park, Sungchul Mun, Dong Won Lee, Myoung Ju Won, Min Cheol Whang
  • Method and system for detecting time domain cardiac parameters by using pupillary response
    Patent number: 10631727
    Abstract: Provided are a method and system for detecting time-domain cardiac information, the method comprising: obtaining moving images of a pupil from a subject; extracting a pupil size variation (PSV) from the moving images; calculating R-peak to R-peak intervals (RRIs) in a predetermined frequency range from the PSV; and obtaining at least one time-domain cardiac parameter by processing the RRIs.
    Type: Grant
    Filed: February 5, 2018
    Date of Patent: April 28, 2020
    Assignees: SANGMYUNG UNIVERSITY INDUSTRY-ACADEMY COOPERATION FOUNDATION, CENTER OF HUMAN-CENTERED INTERACTION FOR COEXISTENCE
    Inventors: Sang In Park, Dong Won Lee, Sungchul Mun, Myoung Ju Won, Min Cheol Whang
  • METHOD AND APPARATUS FOR EXTRACTING OF FACIAL MOVEMENT INFORMATION
    Publication number: 20200118276
    Abstract: A method of extracting facial movement information capable of effectively canceling noise includes obtaining an image of a subject's face with a camera, extracting raw data on facial movement from the image, detecting macro movement data from the raw data, and removing the macro movement component from the raw data to obtain refined micro movement data.
    Type: Application
    Filed: July 29, 2019
    Publication date: April 16, 2020
    Inventors: Min Cheol WHANG, Sung Teac HWANG, Myoung Ju WON, Dong Won LEE
  • Method for measuring social relationship using heart rhythm pattern (HRP)
    Patent number: 10478110
    Abstract: A social intimacy determining method includes detecting electrocardiogram (ECG) data from at least two subjects; detecting heart rhythm pattern (HRP) data from ECG signals of the two subjects; and determining a relationship (intimacy) between the two subjects by comparing the HRP data of the two subjects.
    Type: Grant
    Filed: June 19, 2014
    Date of Patent: November 19, 2019
    Assignees: SANGMYUNG UNIVERSITY SEOUL INDUSTRY—ACADEMY COOPERATION FOUNDATION, CENTER OF HUMAN-CENTERED INTERACTION FOR COEXISTENCE
    Inventors: Sang In Park, Min Cheol Whang, Myoung Ju Won, Sung Teac Hwang
  • Method and system for noncontact vision-based 3D cognitive fatigue measuring by using task evoked pupillary response
    Patent number: 10368740
    Abstract: Provided are a method and system for noncontact vision-based 3D cognitive fatigue measuring. The method comprises: acquiring pupil images of a subject exposed to visual stimuli; extracting a task evoked pupillary response (TEPR) by using the pupil images; detecting dominant peaks from the TEPR; calculating latency of dominant peaks; and determining cognitive fatigue of the subject by comparing a value of the latency to a predetermined reference value.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: August 6, 2019
    Assignees: Sangmyung University Industry-Academy Cooperation Foundation, Center Of Human Centered Interaction For Coexistence
    Inventors: Min Cheol Whang, Sang In Park, Myoung Ju Won, Dong Won Lee
  • Method for expressing social presence of virtual avatar, using change in pupil size according to heartbeats, and system employing same
    Patent number: 10290139
    Abstract: A method of producing a realistic virtual avatar by using a change in a pupil size according to heartbeats. The method tracks and records, in real time, a change in a pupil size of the actual user according to heartbeats of the actual user and applies the same to an eye model of a virtual avatar so as to synchronize the pupil size of the eye model with the pupil size of the actual user.
    Type: Grant
    Filed: February 1, 2016
    Date of Patent: May 14, 2019
    Assignee: SANGMYUNG UNIVERSITY INDUSTRY-ACADEMY COOPERATION FOUNDATION
    Inventors: Myoung Ju Won, Min Cheol Whang, Sang In Park
  • METHOD AND SYSTEM FOR DETECTING FREQUENCY DOMAIN CARDIAC INFORMATION BY USING PUPILLARY RESPONSE
    Publication number: 20180279935
    Abstract: Provided are a method and system for detecting frequency-domain cardiac information, the method comprising: acquiring moving images of a pupil from a subject; extracting a pupil size variation (PSV) from the moving images; extracting a heart rate variability (HRV) spectrum by performing a processing procedure including frequency-analysis of HRV; and calculating power of at least one of a plurality of frequency bands by analysis of the HRV spectrum.
    Type: Application
    Filed: February 2, 2018
    Publication date: October 4, 2018
    Applicants: Sangmyung University Industry-Academy Cooperation Foundation, Center Of Human-Centered Interaction For Coexistence
    Inventors: Min Cheol Whang, Sang In Park, Myoung Ju Won, Dong Won Lee
  • Method for measuring social relationship using heart rhythm coherence (HRC)
    Patent number: 10085666
    Abstract: A method for determining a social relationship includes detecting electrocardiogram (ECG) data from at least two subjects, detecting heart rhythm coherence (HRC) data from the ECG signals of the two subjects, and determining a relationship (intimacy) between the two subjects by comparing the HRC data of the two subjects.
    Type: Grant
    Filed: June 19, 2014
    Date of Patent: October 2, 2018
    Assignees: SANGMYUNG UNIVERSITY SEOUL INDUSTRY-ACADEMY COOPERATION FOUNDATION, CENTER OF HUMAN-CENTERED INTERACTION FOR COEXISTENCE
    Inventors: Sang In Park, Min Cheol Whang, Myoung Ju Won, Sung Teac Hwang
  • METHOD AND SYSTEM FOR DETECTING INFORMATION OF BRAIN-HEART CONNECTIVITY BY USING PUPILLARY VARIATION
    Publication number: 20180235498
    Abstract: Provided are a method and system for detecting information of brain-heart connectivity, the method comprising: obtaining moving images of a pupil and an electrocardiogram (ECG) signal from a subject; acquiring a pupil size variation (PSV) from the moving images by separating the moving images at a predetermined time range after R-peak of the ECG signal; extracting signals of a first period and a second period from the PSV; calculating alpha powers of the signals of the first and second periods at predetermined frequencies respectively.
    Type: Application
    Filed: January 12, 2018
    Publication date: August 23, 2018
    Applicants: SANGMYUNG UNIVERSITY INDUSTRY-ACADEMY COOPERATION FOUNDATION, CENTER OF HUMAN-CENTERED INTERACTION FOR COEXISTEN CE
    Inventors: Min Cheol WHANG, Sang In PARK, Myoung Ju WON, Dong Won LEE
  • METHOD AND SYSTEM FOR DETECTING TIME DOMAIN CARDIAC PARAMETERS BY USING PUPILLARY RESPONSE
    Publication number: 20180235464
    Abstract: Provided are a method and system for detecting time-domain cardiac information, the method comprising: obtaining moving images of a pupil from a subject; extracting a pupil size variation (PSV) from the moving images; calculating R-peak to R-peak intervals (RRIs) in a predetermined frequency range from the PSV; and obtaining at least one time-domain cardiac parameter by processing the RRIs.
    Type: Application
    Filed: February 5, 2018
    Publication date: August 23, 2018
    Applicants: SANGMYUNG UNIVERSITY INDUSTRY-ACADEMY COOPERATION FOUNDATION, CENTER OF HUMAN-CENTERED INTERACTION FOR COEXISTENCE
    Inventors: Min Cheol WHANG, Sang In PARK, Myoung Ju WON, Dong Won LEE
  • METHOD AND SYSTEM FOR INFERENCE OF EEG SPECTRUM IN BRAIN BY NON-CONTACT MEASUREMENT OF PUPILLARY VARIATION
    Publication number: 20180235505
    Abstract: Provided are a method and system for non-contact measurement of an electroencephalogram (EEG) spectrum based on pupillary variation. To infer the EEG spectrum from moving images of a subject's pupil, the method includes obtaining moving images of the pupil from the subject, extracting data of pupillary variation from the moving images, extracting a plurality of signals for a plurality of frequency bands based on frequency analysis, and calculating outputs of the plurality of the signals to be used as parameters of a brain-frequency domain.
    Type: Application
    Filed: January 12, 2018
    Publication date: August 23, 2018
    Applicants: SANGMYUNG UNIVERSITY INDUSTRY-ACADEMY COOPERATION FOUNDATION, CENTER OF HUMAN-CENTERED INTERACTION FOR COEXISTENCE
    Inventors: Min Cheol WHANG, Sang In PARK, Myoung Ju WON, Dong Won LEE
  • METHOD AND SYSTEM FOR NONCONTACT VISION-BASED 3D COGNITIVE FATIGUE MEASURING BY USING TASK EVOKED PUPILLARY RESPONSE
    Publication number: 20180220885
    Abstract: Provided are a method and system for noncontact vision-based 3D cognitive fatigue measuring. The method comprises: acquiring pupil images of a subject exposed to visual stimuli; extracting a task evoked pupillary response (TEPR) by using the pupil images; detecting dominant peaks from the TEPR; calculating latency of dominant peaks; and determining cognitive fatigue of the subject by comparing a value of the latency to a predetermined reference value.
    Type: Application
    Filed: January 12, 2018
    Publication date: August 9, 2018
    Applicants: SANGMYUNG UNIVERSITY INDUSTRY-ACADEMY COOPERATION FOUNDATION, CENTER OF HUMAN-CENTERED INTERACTION FOR COEXISTENCE
    Inventors: Min Cheol Whang, Sang In Park, Myoung Ju Won, Dong Won Lee
  • METHOD FOR EXPRESSING SOCIAL PRESENCE OF VIRTUAL AVATAR, USING CHANGE IN PUPIL SIZE ACCORDING TO HEARTBEATS, AND SYSTEM EMPLOYING SAME
    Publication number: 20180122123
    Abstract: A Method of producing a realistic virtual avatar by using a change in a pupil size according to heartbeats. The method tracks and records, in real time, a change in a pupil size of the actual user according to heartbeats of the actual user and applies the same to an eye model of a virtual avatar so as to synchronize the pupil size of the eye model with the pupil size of the actual user.
    Type: Application
    Filed: February 1, 2016
    Publication date: May 3, 2018
    Inventors: Myoung Ju WON, Min Cheol WHANG, Sang In PARK
  • METHOD FOR MEASURING SOCIAL RELATIONSHIP USING HEART RHYTHM PATTERN (HRP)
    Publication number: 20170049375
    Abstract: A social intimacy determining method includes detecting electrocardiogram (ECG) data from at least two subjects; detecting heart rhythm pattern (HRP) data from ECG signals of the two subjects; and determining a relationship (intimacy) between the two subjects by comparing the FIRP data of the two subjects.
    Type: Application
    Filed: June 19, 2014
    Publication date: February 23, 2017
    Applicants: SANGMYUNG UNIVERSITY SEOUL INDUSTRY-ACADEMY COOPERATION FOUNDATION, CENTER OF HUMAN-CENTERED INTERACTION FOR COEXISTENCE
    Inventors: Sang In PARK, Min Cheol WHANG, Myoung Ju WON, Sung Teac HWANG
  • METHOD FOR MEASURING SOCIAL RELATIONSHIP USING HEART RHYTHM COHERENCE (HRC)
    Publication number: 20170042438
    Abstract: A method for determining a social relationship includes detecting electrocardiogram (ECG) data from at least two subjects, detecting heart rhythm coherence (HRC) data from the ECG signals of the two subjects, and determining a relationship (intimacy) between the two subjects by comparing the HRC data of the two subjects.
    Type: Application
    Filed: June 19, 2014
    Publication date: February 16, 2017
    Inventors: Sang In PARK, Min Cheol WHANG, Myoung Ju WON, Sung Teac HWANG