Patents by Inventor Kee Koo Kwon

Kee Koo Kwon 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: 20260198868
    Abstract: The present disclosure relates to an intradialytic hypotension prediction apparatus, the apparatus comprising: a processor; and a memory storing instructions executed by the processor, wherein the processor is configured to extract a predetermined parameter from a pulse signal representing a change in a pulse of a hemodialysis patient, and predict intradialytic hypotension by applying the parameter to a pre-trained prediction model.
    Type: Application
    Filed: January 15, 2026
    Publication date: July 16, 2026
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Tae Wuk BAE, Kee Koo KWON, Kwang Yong KIM, Woo Jin BYUN
  • Publication number: 20250194940
    Abstract: Provided are a device and method for estimating blood pressure in a non-contact manner. The device includes a memory, an imaging module that captures a body part image of a user, and a processor connected to the memory and the imaging module. The processor extracts a remote photoplethysmography (rPPG) signal from the body part image, detects a plurality of peak values from the rPPG signal, extracts heart rate variability (HRV) parameters using the detected peak values, and estimates blood pressure of the user on the basis of the HRV parameters.
    Type: Application
    Filed: December 19, 2024
    Publication date: June 19, 2025
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Tae Wuk BAE, Kee Koo KWON, Eun Chang CHOI
  • Patent number: 11730417
    Abstract: Provided is a method of detecting the R peak of an electrocardiogram (ECG) signal using an adaptive median filter. The method includes allowing an ECG signal (hereinafter, referred to as a first ECG signal) received from an ECG signal measuring apparatus having a predetermined sampling rate to pass through an adaptive median filter, calculating a difference value between the first ECG signal and a signal (hereinafter, referred to as a second ECG signal) passing through the adaptive median filter, extracting R peak candidate groups by applying a maximum filtering size and an adaptive threshold applicable in the adaptive median filter to the calculated difference value between the first and second ECG signals, and detecting an R peak candidate group having a maximum value among the R peak candidate groups as an R peak.
    Type: Grant
    Filed: September 15, 2021
    Date of Patent: August 22, 2023
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Tae Wuk Bae, Kee Koo Kwon, Kyu Hyung Kim
  • Patent number: 11504045
    Abstract: Provided are an apparatus and method for detecting ventricular depolarization (QRS) of an electrocardiogram (ECG). The apparatus includes an input unit configured to receive an ECG signal, a memory configured to store a program for detecting R and ventricular depolarization using the ECG signal, and a processor configured to execute the program, wherein the processor detects a QRS interval and an R-peak using a first-order derivative filter and a max-filter.
    Type: Grant
    Filed: November 24, 2020
    Date of Patent: November 22, 2022
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Tae Wuk Bae, Kee Koo Kwon, Kyu Hyung Kim
  • Publication number: 20220095981
    Abstract: Provided is a method of detecting the R peak of an electrocardiogram (ECG) signal using an adaptive median filter. The method includes allowing an ECG signal (hereinafter, referred to as a first ECG signal) received from an ECG signal measuring apparatus having a predetermined sampling rate to pass through an adaptive median filter, calculating a difference value between the first ECG signal and a signal (hereinafter, referred to as a second ECG signal) passing through the adaptive median filter, extracting R peak candidate groups by applying a maximum filtering size and an adaptive threshold applicable in the adaptive median filter to the calculated difference value between the first and second ECG signals, and detecting an R peak candidate group having a maximum value among the R peak candidate groups as an R peak.
    Type: Application
    Filed: September 15, 2021
    Publication date: March 31, 2022
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Tae Wuk BAE, Kee Koo KWON, Kyu Hyung KIM
  • Publication number: 20210153763
    Abstract: Provided are an apparatus and method for detecting ventricular depolarization (QRS) of an electrocardiogram (ECG). The apparatus includes an input unit configured to receive an ECG signal, a memory configured to store a program for detecting R and ventricular depolarization using the ECG signal, and a processor configured to execute the program, wherein the processor detects a QRS interval and an R-peak using a first-order derivative filter and a max-filter.
    Type: Application
    Filed: November 24, 2020
    Publication date: May 27, 2021
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Tae Wuk BAE, Kee Koo KWON, Kyu Hyung KIM
  • Patent number: 9580011
    Abstract: Provided are an apparatus and method for correcting sensing of a surrounding obstacle on a curved road. The apparatus includes an acquisition unit configured to acquire curvature information of a curved road on which a vehicle is traveling using a steering angle value indicating a degree of rotation of a steering wheel of the vehicle, a sensing unit configured to sense another vehicle traveling behind the vehicle, and a correction unit configured to correct sensing information of the other vehicle sensed by the sensing unit using the curvature information acquired by the acquisition unit.
    Type: Grant
    Filed: September 18, 2014
    Date of Patent: February 28, 2017
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Joon Hak Bang, Kee Koo Kwon, Soo In Lee
  • Publication number: 20150300834
    Abstract: Disclosed are a navigation apparatus having lane recognition function and a method for the same. The navigation apparatus may comprise an image acquisition part configured to acquire an image about lanes; and a control part configured to recognize a lane in which a vehicle on driving is located and to provide lane guidance information based on the recognized lane and a configured driving route. Thus, lane change guidance information can be provided in consideration of the number of lanes and distances between intersection points thereby enabling users to drive more stably and efficiently in complex areas.
    Type: Application
    Filed: October 15, 2014
    Publication date: October 22, 2015
    Inventors: Ju Seok SHIN, Sung Jae BYUN, Eun Ryung LEE, Kee Koo KWON, Soo In LEE
  • Publication number: 20150266510
    Abstract: Provided are an apparatus and method for correcting sensing of a surrounding obstacle on a curved road. The apparatus includes an acquisition unit configured to acquire curvature information of a curved road on which a vehicle is traveling using a steering angle value indicating a degree of rotation of a steering wheel of the vehicle, a sensing unit configured to sense another vehicle traveling behind the vehicle, and a correction unit configured to correct sensing information of the other vehicle sensed by the sensing unit using the curvature information acquired by the acquisition unit.
    Type: Application
    Filed: September 18, 2014
    Publication date: September 24, 2015
    Inventors: Joon Hak BANG, Kee Koo KWON, Soo In LEE
  • Publication number: 20150109603
    Abstract: Disclosed are a next-generation lidar sensor apparatus that may acquire and process individual characteristic information about an object in addition to distance and shape information about the object, and a signal processing method thereof. According to the present invention, it is possible to accurately and quickly identify and track the object by adding a function of measuring unique material characteristics, such as a color and reflectance of the object, to the three-dimension image lidar sensor for measuring a position and speed of the object. In addition, when a plurality of lidar sensors are distributed on a space where measurable distances partially overlap with each other, it is possible to remove interference and naturally occurring noise between adjacent lidar sensor signals.
    Type: Application
    Filed: March 24, 2014
    Publication date: April 23, 2015
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Jong Deog KIM, Kee Koo KWON, Soo In LEE
  • Patent number: 8989991
    Abstract: Disclosed are an apparatus and a method for processing a fuel cut starting or releasing the fuel cut using a tilt angle of a vehicle or a clearance angle of an acceleration pedal. An exemplary embodiment of the present invention can reflect driving habit or acceleration intention of a driver by interlocking a clearance angle of the acceleration pedal in addition to starting or releasing a fuel cut according to a tilt angle of a vehicle, thereby increasing fuel efficiency driving or convenience of driving. The exemplary embodiment of the present invention can improve stability of driving by applying a haptic technology.
    Type: Grant
    Filed: July 2, 2012
    Date of Patent: March 24, 2015
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Young Back Kim, Hae Dong Lee, Kee Koo Kwon, Gwang Su Kim
  • Publication number: 20130146022
    Abstract: Disclosed are an apparatus and a method for processing a fuel cut starting or releasing the fuel cut using a tilt angle of a vehicle or a clearance angle of an acceleration pedal. An exemplary embodiment of the present invention can reflect driving habit or acceleration intention of a driver by interlocking a clearance angle of the acceleration pedal in addition to starting or releasing a fuel cut according to a tilt angle of a vehicle, thereby increasing fuel efficiency driving or convenience of driving. The exemplary embodiment of the present invention can improve stability of driving by applying a haptic technology.
    Type: Application
    Filed: July 2, 2012
    Publication date: June 13, 2013
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Young Back KIM, Hae Dong Lee, Kee Koo Kwon, Gwang Su Kim
  • Publication number: 20130088197
    Abstract: Provided is a fast charging apparatus and method for a vehicle that may simultaneously charge a battery of a vehicle with electricity from at least two chargers through at least two charge connecting units provided to the vehicle.
    Type: Application
    Filed: September 10, 2012
    Publication date: April 11, 2013
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Jae Young KIM, Kee Koo KWON, Gwang Su KIM
  • Patent number: 7848863
    Abstract: An apparatus and a method for providing a video content service in a vehicle are provided. The apparatus includes a speed detection unit detecting a speed of the vehicle using a global positioning system, a status detection unit detecting a status of a parking brake, and a video control unit controlling one or more display apparatuses so that an the video contents are displayed when the speed of the vehicle is determined to be below a predetermined speed based on information on the detected status of the parking brake and the detected speed of the vehicle. According to the present invention, various video contents can be provided to a driver and passengers while safety driving of the vehicle and the driver's concentration on driving are maintained.
    Type: Grant
    Filed: September 15, 2006
    Date of Patent: December 7, 2010
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Kee Koo Kwon, Gwang Su Kim, Dong Sun Lim
  • Publication number: 20100138113
    Abstract: Provided are a control system and method for protecting a child occupant of a vehicle. The control system includes a detecting unit, a monitoring unit, and a control unit. The detecting unit detects occupant data including weights of occupants and deployed lengths of seat belts. The monitoring unit determines whether the occupant is a child, whether the occupant has a seat belt on, and an occupant position based on the detected occupant data to generate occupant status data according to the determined results. The control unit controls a vehicle peripheral device according to the occupant status data when the occupant status data is received.
    Type: Application
    Filed: August 28, 2009
    Publication date: June 3, 2010
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Eun Ryung Lee, Jae Young Kim, Kee koo Kwon, Joon Hak Bang, Jong Uk Kim, Sung Ho Ahn
  • Publication number: 20100134302
    Abstract: Provided are a system and method for controlling the emotion of a car driver. A system for controlling the emotion of a car driver includes a detection unit, a control unit, and an emotion controlling unit. The detection unit detects emotion information including the voice, expression, gesture, heart rate, and temperature of the car driver. The control unit compares the detected emotion information with the prestored reference emotion information of the car driver to determine whether to control the emotion of the car driver and outputs a control signal for control of the emotion of the car driver according to the determination result. The emotion controlling unit controls the emotion of the car driver according to the control signal of the control unit.
    Type: Application
    Filed: May 29, 2009
    Publication date: June 3, 2010
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Sung Ho Ahn, Jong Uk Kim, Kee Koo Kwon, Joon Hak Bang, Eun Ryung Lee, Jae Young Kim
  • Patent number: 7663481
    Abstract: Provided is a method for mobile sensor node roaming in an environment of first and second adjacent wireless sensor networks having a plurality of sensor nodes. The method includes the steps of: periodically performing energy detection scan and active scan operations, at the mobile sensor node forming an association with a parent node of the first wireless network, and obtaining energy values of selected channels and link quality indications (LQIs) for the channels; when the sensor node moves to the second wireless sensor network, periodically performing energy detection scan and active scan operations, at the sensor node, and obtaining energy values of selected channels and link quality indications (LQIs) for the channels after movement; comparing, at the sensor node, the energy values and link quality indications (LQIs) of the selected channels before and after movement.
    Type: Grant
    Filed: October 30, 2007
    Date of Patent: February 16, 2010
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Kyu Hyung Kim, Kee Koo Kwon, Gwang Su Kim, Jang Sik Bae
  • Publication number: 20090109058
    Abstract: The traffic information providing device receives traffic information corresponding to a bus stop or a platform at which the traffic information providing device is positioned from a management server for collecting traffic information from at least one public transportation means, and broadcasts the received traffic information to the traffic information receiving device that is provided within a predetermined distance from the traffic information providing device by using the ZigBee or wireless sensor network that is a wireless personal area network (WPAN). The traffic information receiving device receives traffic information from the traffic information providing device by using the ZigBee or wireless sensor network, filters the same according to a filtering condition input by the user, and outputs traffic information desired by the user.
    Type: Application
    Filed: May 6, 2008
    Publication date: April 30, 2009
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Kyu hyung KIM, Jang sik BAE, Gwang Su KIM, Kee Koo KWON
  • Publication number: 20080136606
    Abstract: Provided are a separable device for controlling a node and a sensor network node. The separable node-control device includes: a second interface connecting a power line and a data signal line with the outside; and a power supply for supplying power to the second interface and a sensor unit, wherein the power supply and the second interface are controlled by an external control device combined with the second interface and the controller are driven by power supplied from the external device. According to the separable node-control device and the sensor network node, the node-control device is separated from the sensor network node so that the function of the sensor network node can be readily changed according to need.
    Type: Application
    Filed: November 29, 2007
    Publication date: June 12, 2008
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Kee Koo KWON, Kyu Hyung KIM, Gwang Su KIM, Jang Sik BAE
  • Publication number: 20080129494
    Abstract: Provided is a method for mobile sensor node roaming in an environment of first and second adjacent wireless sensor networks having a plurality of sensor nodes.
    Type: Application
    Filed: October 30, 2007
    Publication date: June 5, 2008
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Kyu Hyung Kim, Kee Koo Kwon, Gwang Su Kim, Jang Sik Bae