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).
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Publication number: 20230172467Abstract: 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: ApplicationFiled: May 17, 2021Publication date: June 8, 2023Inventors: Aiman BIN IBRAHIM, Vivian Ci Ai KOH, Siti Hamidah BINTE ABDUL HAMID, Xiao Rex TAN, Yi Yang ANG, Wee SER
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Patent number: 11647963Abstract: 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: GrantFiled: December 8, 2020Date of Patent: May 16, 2023Assignees: SINGAPORE HEALTH SERVICES PTE LTD., NANYANG TECHNOLOGICAL UNIVERSITYInventors: Marcus Eng Hock Ong, Zhiping Lin, Wee Ser, Guangbin Huang
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Publication number: 20210251575Abstract: 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: ApplicationFiled: December 8, 2020Publication date: August 19, 2021Inventors: Marcus Eng Hock Ong, Zhiping Lin, Wee Ser, Guangbin Huang
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Patent number: 11083414Abstract: 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: GrantFiled: October 26, 2018Date of Patent: August 10, 2021Assignees: DELTA ELECTRONICS INT'L (SINGAPORE) PTE LTD, NANYANG TECHNOLOGICAL UNIVERSITYInventors: Zhiping Lin, Yongkiang Yeo, Jianmin Zhang, Wee Ser, Yenpo Tai
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Patent number: 11000223Abstract: 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: GrantFiled: February 3, 2017Date of Patent: May 11, 2021Assignee: Nanyang Technological UniversityInventors: Wee Ser, Jianmin Zhang, Jufeng Yu
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Patent number: 10888282Abstract: 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: GrantFiled: October 16, 2018Date of Patent: January 12, 2021Assignees: SINGAPORE HEALTH SERVICES PTE LTD., NANYANG TECHNOLOGICAL UNIVERSITYInventors: Marcus Eng Hock Ong, Zhiping Lin, Wee Ser, Guangbin Huang
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Patent number: 10368804Abstract: 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: GrantFiled: August 14, 2013Date of Patent: August 6, 2019Assignee: NANYANG TECHNOLOGICAL UNIVERSITYInventors: Wee Ser, Feng Yang, Junfeng Yu
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Publication number: 20190150850Abstract: 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: ApplicationFiled: October 16, 2018Publication date: May 23, 2019Inventors: Marcus Eng Hock Ong, Zhiping Lin, Wee Ser, Guangbin Huang
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Publication number: 20190125263Abstract: 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: ApplicationFiled: October 26, 2018Publication date: May 2, 2019Inventors: Zhiping Lin, Yongkiang Yeo, Jianmin Zhang, Wee Ser, Yenpo Tai
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Publication number: 20190038216Abstract: 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: ApplicationFiled: February 3, 2017Publication date: February 7, 2019Inventors: Wee SER, Jianmin ZHANG, Jufeng YU
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Patent number: 10136861Abstract: 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: GrantFiled: September 20, 2017Date of Patent: November 27, 2018Assignees: SINGAPORE HEALTH SERVICES PTE LTD., NANYANG TEHNOLOGICAL UNIVERSITYInventors: Marcus Eng Hock Ong, Zhiping Lin, Wee Ser, Guangbin Huang
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Publication number: 20180098736Abstract: 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: ApplicationFiled: September 20, 2017Publication date: April 12, 2018Inventors: Marcus Eng Hock Ong, Zhiping Lin, Wee Ser, Guangbin Huang
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Patent number: 9826955Abstract: 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: GrantFiled: March 31, 2011Date of Patent: November 28, 2017Assignee: Nanyang Technological UniversityInventors: Wee Ser, Jianmin Zhang, Jufeng Yu, Tongtong Zhang
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Patent number: 9795342Abstract: 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: GrantFiled: August 3, 2016Date of Patent: October 24, 2017Assignees: SINGAPORE HEALTH SERVICES PTE LTD., NANYANG TECHNOLOGICAL UNIVERSITYInventors: Marcus Eng Hock Ong, Zhiping Lin, Wee Ser, Guangbin Huang
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Publication number: 20170049403Abstract: 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: ApplicationFiled: August 3, 2016Publication date: February 23, 2017Inventors: Marcus Eng Hock Ong, Zhiping Lin, Wee Ser, Guangbin Huang
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Patent number: 9420957Abstract: 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: GrantFiled: February 6, 2015Date of Patent: August 23, 2016Assignees: SINGAPORE HEALTH SERVICES PTE LTD., NANYANG TECHNOLOGICAL UNIVERSITYInventors: Marcus Eng Hock Ong, Zhiping Lin, Wee Ser, Guangbin Huang
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Patent number: 9295429Abstract: 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: GrantFiled: December 12, 2014Date of Patent: March 29, 2016Assignees: SINGAPORE HEALTH SERVICES PTE LTD., NANYANG TECHNOLOGICAL UNIVERSITYInventors: Marcus Eng Hock Ong, Zhiping Lin, Wee Ser, Guangbin Huang
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Publication number: 20150223759Abstract: 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: ApplicationFiled: December 12, 2014Publication date: August 13, 2015Inventors: Marcus Eng Hock Ong, Zhiping Lin, Wee Ser, Guangbin Huang
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Publication number: 20150190091Abstract: 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: ApplicationFiled: August 14, 2013Publication date: July 9, 2015Inventors: Wee Ser, Feng Yang, Junfeng Yu
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Publication number: 20150150468Abstract: 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: ApplicationFiled: February 6, 2015Publication date: June 4, 2015Inventors: Marcus Eng Hock Ong, Zhiping Lin, Wee Ser, Guangbin Huang