Patents by Inventor Wee Ser

Wee Ser 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: 20230172467
    Abstract: According to embodiments of the present invention, a gateway device operable in a system for monitoring a plurality of bio-signals is provided. The gateway device includes a receiver unit configured to receive data and reconstruct the received data to obtain a digital sound signal representative of the plurality of bio-signals; a processing unit configured to determine at least one biometric from the digital sound signal and form a digital signal representative of the plurality of bio-signals and the determined at least one biometric, and to reconstruct the digital signal into two or more data segments, wherein each data segment includes a portion of the digital signal; and a transmitter unit configured to transmit information including the two or more data segments to an external processing module for further processing. According to further embodiments, a system and a method for monitoring a plurality of bio-signals are also provided.
    Type: Application
    Filed: May 17, 2021
    Publication date: June 8, 2023
    Inventors: Aiman BIN IBRAHIM, Vivian Ci Ai KOH, Siti Hamidah BINTE ABDUL HAMID, Xiao Rex TAN, Yi Yang ANG, Wee SER
  • Patent number: 11647963
    Abstract: A method of producing an artificial neural network capable of predicting the survivability of a patient, including: storing in an electronic database patient health data comprising a plurality of sets of data, each set having at least one of a first parameter relating to heart rate variability data and a second parameter relating to vital sign data, each set further having a third parameter relating to patient survivability; providing a network of nodes interconnected to form an artificial neural network, the nodes comprising a plurality of artificial neurons, each artificial neuron having at least one input with an associated weight; and training the artificial neural network using the patient health data such that the associated weight of the at least one input of each artificial neuron is adjusted in response to respective first, second and third parameters of different sets of data from the patient health data.
    Type: Grant
    Filed: December 8, 2020
    Date of Patent: May 16, 2023
    Assignees: SINGAPORE HEALTH SERVICES PTE LTD., NANYANG TECHNOLOGICAL UNIVERSITY
    Inventors: Marcus Eng Hock Ong, Zhiping Lin, Wee Ser, Guangbin Huang
  • Publication number: 20210251575
    Abstract: A method of producing an artificial neural network capable of predicting the survivability of a patient, including: storing in an electronic database patient health data comprising a plurality of sets of data, each set having at least one of a first parameter relating to heart rate variability data and a second parameter relating to vital sign data, each set further having a third parameter relating to patient survivability; providing a network of nodes interconnected to form an artificial neural network, the nodes comprising a plurality of artificial neurons, each artificial neuron having at least one input with an associated weight; and training the artificial neural network using the patient health data such that the associated weight of the at least one input of each artificial neuron is adjusted in response to respective first, second and third parameters of different sets of data from the patient health data.
    Type: Application
    Filed: December 8, 2020
    Publication date: August 19, 2021
    Inventors: Marcus Eng Hock Ong, Zhiping Lin, Wee Ser, Guangbin Huang
  • Patent number: 11083414
    Abstract: A system for health condition monitoring includes a wearable device, a portable device and a server. The portable device is capable of communicating between the wearable device and the server. The system further includes a non-contact ECG acquisition module for capturing ECG signals from a user wearing the wearable device, a non-contact audio acquisition module for capturing a respiratory sound signal and a heart sound signal from the user wearing the wearable device, a first signal processing and analysis module for receiving and processing the ECG signals, the respiratory sound signal and the heart sound signal to perform QRS detection, HR calculation and ECG derived RR determination, and a second signal processing and analysis module for receiving and processing the ECG signals, the respiratory sound signal and the heart sound signal to perform heart sound localization, heart sound cancellation, respiratory sound restoration, and sound based RR determination.
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: August 10, 2021
    Assignees: DELTA ELECTRONICS INT'L (SINGAPORE) PTE LTD, NANYANG TECHNOLOGICAL UNIVERSITY
    Inventors: Zhiping Lin, Yongkiang Yeo, Jianmin Zhang, Wee Ser, Yenpo Tai
  • Patent number: 11000223
    Abstract: According to various embodiments, there is provided a method for detecting a sleep disorder, the method including: processing an audio signal, the audio signal including breathing sounds made by a subject when the subject is asleep; identifying intervals of the audio signal where breathing sounds are absent; and detecting the sleep disorder based on the identified intervals.
    Type: Grant
    Filed: February 3, 2017
    Date of Patent: May 11, 2021
    Assignee: Nanyang Technological University
    Inventors: Wee Ser, Jianmin Zhang, Jufeng Yu
  • Patent number: 10888282
    Abstract: A method of producing an artificial neural network capable of predicting the survivability of a patient, including: storing in an electronic database patient health data comprising a plurality of sets of data, each set having at least one of a first parameter relating to heart rate variability data and a second parameter relating to vital sign data, each set further having a third parameter relating to patient survivability; providing a network of nodes interconnected to form an artificial neural network, the nodes comprising a plurality of artificial neurons, each artificial neuron having at least one input with an associated weight; and training the artificial neural network using the patient health data such that the associated weight of the at least one input of each artificial neuron is adjusted in response to respective first, second and third parameters of different sets of data from the patient health data.
    Type: Grant
    Filed: October 16, 2018
    Date of Patent: January 12, 2021
    Assignees: SINGAPORE HEALTH SERVICES PTE LTD., NANYANG TECHNOLOGICAL UNIVERSITY
    Inventors: Marcus Eng Hock Ong, Zhiping Lin, Wee Ser, Guangbin Huang
  • Patent number: 10368804
    Abstract: A method of detecting a level of fluid accumulation in an internal organ of a subject is proposed, as well as a system for carrying out the method. The method comprises: providing at least one classifier trained to distinguish between two or more levels of fluid accumulation; acquiring an audio signal (110) generated by said internal organ; and processing, using at least one processor (134), said audio signal (110) by: performing feature extraction to generate at least one feature vector from the audio signal; and assigning a fluid level from the two or more levels to the audio signal by passing the at least one feature vector to the at least one classifier.
    Type: Grant
    Filed: August 14, 2013
    Date of Patent: August 6, 2019
    Assignee: NANYANG TECHNOLOGICAL UNIVERSITY
    Inventors: Wee Ser, Feng Yang, Junfeng Yu
  • Publication number: 20190150850
    Abstract: A method of producing an artificial neural network capable of predicting the survivability of a patient, including: storing in an electronic database patient health data comprising a plurality of sets of data, each set having at least one of a first parameter relating to heart rate variability data and a second parameter relating to vital sign data, each set further having a third parameter relating to patient survivability; providing a network of nodes interconnected to form an artificial neural network, the nodes comprising a plurality of artificial neurons, each artificial neuron having at least one input with an associated weight; and training the artificial neural network using the patient health data such that the associated weight of the at least one input of each artificial neuron is adjusted in response to respective first, second and third parameters of different sets of data from the patient health data.
    Type: Application
    Filed: October 16, 2018
    Publication date: May 23, 2019
    Inventors: Marcus Eng Hock Ong, Zhiping Lin, Wee Ser, Guangbin Huang
  • Publication number: 20190125263
    Abstract: A system for health condition monitoring includes a wearable device, a portable device and a server. The portable device is capable of communicating between the wearable device and the server. The system further includes a non-contact ECG acquisition module for capturing ECG signals from a user wearing the wearable device, a non-contact audio acquisition module for capturing a respiratory sound signal and a heart sound signal from the user wearing the wearable device, a first signal processing and analysis module for receiving and processing the ECG signals, the respiratory sound signal and the heart sound signal to perform QRS detection, HR calculation and ECG derived RR determination, and a second signal processing and analysis module for receiving and processing the ECG signals, the respiratory sound signal and the heart sound signal to perform heart sound localization, heart sound cancellation, respiratory sound restoration, and sound based RR determination.
    Type: Application
    Filed: October 26, 2018
    Publication date: May 2, 2019
    Inventors: Zhiping Lin, Yongkiang Yeo, Jianmin Zhang, Wee Ser, Yenpo Tai
  • Publication number: 20190038216
    Abstract: According to various embodiments, there is provided a method for detecting a sleep disorder, the method including: processing an audio signal, the audio signal including breathing sounds made by a subject when the subject is asleep; identifying intervals of the audio signal where breathing sounds are absent; and detecting the sleep disorder based on the identified intervals.
    Type: Application
    Filed: February 3, 2017
    Publication date: February 7, 2019
    Inventors: Wee SER, Jianmin ZHANG, Jufeng YU
  • Patent number: 10136861
    Abstract: A method of producing an artificial neural network capable of predicting the survivability of a patient, including: storing in an electronic database patient health data comprising a plurality of sets of data, each set having at least one of a first parameter relating to heart rate variability data and a second parameter relating to vital sign data, each set further having a third parameter relating to patient survivability; providing a network of nodes interconnected to form an artificial neural network, the nodes comprising a plurality of artificial neurons, each artificial neuron having at least one input with an associated weight; and training the artificial neural network using the patient health data such that the associated weight of the at least one input of each artificial neuron is adjusted in response to respective first, second and third parameters of different sets of data from the patient health data.
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: November 27, 2018
    Assignees: SINGAPORE HEALTH SERVICES PTE LTD., NANYANG TEHNOLOGICAL UNIVERSITY
    Inventors: Marcus Eng Hock Ong, Zhiping Lin, Wee Ser, Guangbin Huang
  • Publication number: 20180098736
    Abstract: A method of producing an artificial neural network capable of predicting the survivability of a patient, including: storing in an electronic database patient health data comprising a plurality of sets of data, each set having at least one of a first parameter relating to heart rate variability data and a second parameter relating to vital sign data, each set further having a third parameter relating to patient survivability; providing a network of nodes interconnected to form an artificial neural network, the nodes comprising a plurality of artificial neurons, each artificial neuron having at least one input with an associated weight; and training the artificial neural network using the patient health data such that the associated weight of the at least one input of each artificial neuron is adjusted in response to respective first, second and third parameters of different sets of data from the patient health data.
    Type: Application
    Filed: September 20, 2017
    Publication date: April 12, 2018
    Inventors: Marcus Eng Hock Ong, Zhiping Lin, Wee Ser, Guangbin Huang
  • Patent number: 9826955
    Abstract: According to embodiments of the present invention, an air conduction sensor for detecting a sound from a user is provided. The air conduction sensor includes a housing comprising an opening, wherein a rim of the opening is configured to at least substantially attach to a skin or a clothing of the user; a microphone coupled to the housing such that there is an air gap between the microphone and the skin or the clothing, and wherein the microphone is configured to detect the sound. A system and a method for monitoring a health condition of a user are also provided.
    Type: Grant
    Filed: March 31, 2011
    Date of Patent: November 28, 2017
    Assignee: Nanyang Technological University
    Inventors: Wee Ser, Jianmin Zhang, Jufeng Yu, Tongtong Zhang
  • Patent number: 9795342
    Abstract: A method of producing an artificial neural network capable of predicting the survivability of a patient, including: storing in an electronic database patient health data comprising a plurality of sets of data, each set having at least one of a first parameter relating to heart rate variability data and a second parameter relating to vital sign data, each set further having a third parameter relating to patient survivability; providing a network of nodes interconnected to form an artificial neural network, the nodes comprising a plurality of artificial neurons, each artificial neuron having at least one input with an associated weight; and training the artificial neural network using the patient health data such that the associated weight of the at least one input of each artificial neuron is adjusted in response to respective first, second and third parameters of different sets of data from the patient health data.
    Type: Grant
    Filed: August 3, 2016
    Date of Patent: October 24, 2017
    Assignees: SINGAPORE HEALTH SERVICES PTE LTD., NANYANG TECHNOLOGICAL UNIVERSITY
    Inventors: Marcus Eng Hock Ong, Zhiping Lin, Wee Ser, Guangbin Huang
  • Publication number: 20170049403
    Abstract: A method of producing an artificial neural network capable of predicting the survivability of a patient, including: storing in an electronic database patient health data comprising a plurality of sets of data, each set having at least one of a first parameter relating to heart rate variability data and a second parameter relating to vital sign data, each set further having a third parameter relating to patient survivability; providing a network of nodes interconnected to form an artificial neural network, the nodes comprising a plurality of artificial neurons, each artificial neuron having at least one input with an associated weight; and training the artificial neural network using the patient health data such that the associated weight of the at least one input of each artificial neuron is adjusted in response to respective first, second and third parameters of different sets of data from the patient health data.
    Type: Application
    Filed: August 3, 2016
    Publication date: February 23, 2017
    Inventors: Marcus Eng Hock Ong, Zhiping Lin, Wee Ser, Guangbin Huang
  • Patent number: 9420957
    Abstract: A method of producing an artificial neural network capable of predicting the survivability of a patient, including: storing in an electronic database patient health data comprising a plurality of sets of data, each set having at least one of a first parameter relating to heart rate variability data and a second parameter relating to vital sign data, each set further having a third parameter relating to patient survivability; providing a network of nodes interconnected to form an artificial neural network, the nodes comprising a plurality of artificial neurons, each artificial neuron having at least one input with an associated weight; and training the artificial neural network using the patient health data such that the associated weight of the at least one input of each artificial neuron is adjusted in response to respective first, second and third parameters of different sets of data from the patient health data.
    Type: Grant
    Filed: February 6, 2015
    Date of Patent: August 23, 2016
    Assignees: SINGAPORE HEALTH SERVICES PTE LTD., NANYANG TECHNOLOGICAL UNIVERSITY
    Inventors: Marcus Eng Hock Ong, Zhiping Lin, Wee Ser, Guangbin Huang
  • Patent number: 9295429
    Abstract: A method of predicting survivability of a patient. The method includes storing in an electronic database patient health data comprising a plurality of sets of data, each set having a first parameter relating to heart rate variability data including at least one of ST segment elevation and depression, a second parameter relating to vital sign data, and a third parameter relating to patient survivability; providing a network of nodes interconnected to form an artificial neural network, the nodes comprising a plurality of neurons, each having at least one input with an associated weight; and training the neural network using the patient health data such that the associated weight of the at least one input of each neuron is adjusted in response to respective first, second and third parameters of different sets of data from the patient health data, such that the neural network is trained to produce a prediction on the survivability of a patient within the next 72 hours.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: March 29, 2016
    Assignees: SINGAPORE HEALTH SERVICES PTE LTD., NANYANG TECHNOLOGICAL UNIVERSITY
    Inventors: Marcus Eng Hock Ong, Zhiping Lin, Wee Ser, Guangbin Huang
  • Publication number: 20150223759
    Abstract: A method of predicting survivability of a patient. The method includes storing in an electronic database patient health data comprising a plurality of sets of data, each set having a first parameter relating to heart rate variability data including at least one of ST segment elevation and depression, a second parameter relating to vital sign data, and a third parameter relating to patient survivability; providing a network of nodes interconnected to form an artificial neural network, the nodes comprising a plurality of neurons, each having at least one input with an associated weight; and training the neural network using the patient health data such that the associated weight of the at least one input of each neuron is adjusted in response to respective first, second and third parameters of different sets of data from the patient health data, such that the neural network is trained to produce a prediction on the survivability of a patient within the next 72 hours.
    Type: Application
    Filed: December 12, 2014
    Publication date: August 13, 2015
    Inventors: Marcus Eng Hock Ong, Zhiping Lin, Wee Ser, Guangbin Huang
  • Publication number: 20150190091
    Abstract: A method of detecting a level of fluid accumulation in an internal organ of a subject is proposed, as well as a system for carrying out the method. The method comprises: providing at least one classifier trained to distinguish between two or more levels of fluid accumulation; acquiring an audio signal (110) generated by said internal organ; and processing, using at least one processor (134), said audio signal (110) by: performing feature extraction to generate at least one feature vector from the audio signal; and assigning a fluid level from the two or more levels to the audio signal by passing the at least one feature vector to the at least one classifier.
    Type: Application
    Filed: August 14, 2013
    Publication date: July 9, 2015
    Inventors: Wee Ser, Feng Yang, Junfeng Yu
  • Publication number: 20150150468
    Abstract: A method of producing an artificial neural network capable of predicting the survivability of a patient, including: storing in an electronic database patient health data comprising a plurality of sets of data, each set having at least one of a first parameter relating to heart rate variability data and a second parameter relating to vital sign data, each set further having a third parameter relating to patient survivability; providing a network of nodes interconnected to form an artificial neural network, the nodes comprising a plurality of artificial neurons, each artificial neuron having at least one input with an associated weight; and training the artificial neural network using the patient health data such that the associated weight of the at least one input of each artificial neuron is adjusted in response to respective first, second and third parameters of different sets of data from the patient health data.
    Type: Application
    Filed: February 6, 2015
    Publication date: June 4, 2015
    Inventors: Marcus Eng Hock Ong, Zhiping Lin, Wee Ser, Guangbin Huang