Patents by Inventor Sooyeul Lee

Sooyeul Lee 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: 20130150741
    Abstract: Disclosed is a bio-signal transfer device which includes a bio-signal measuring unit which includes at least one sensor and measures a bio-signal of a driver through the sensor; a signal processing unit which removes noise from the bio-signal and converts the noise-removed bio-signal into a digital signal; and a transmission unit which transfers the digital signal by wireless.
    Type: Application
    Filed: August 6, 2012
    Publication date: June 13, 2013
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Hyung Wook NOH, YongWon Jang, Sooyeul Lee, Inbum Lee, Yoon Seon Song, Seunghwan Kim
  • Publication number: 20130144182
    Abstract: Disclosed is a sleep respiratory disorder examining device which includes a measurement unit which includes at least one conductive fiber and measures a resistance variation in the conductive fiber, a length of the conductive fiber being varied according to movement of a user; and a signal processor which analyzes a sleeping state of the user based on a resistance variation measured by the measurement unit.
    Type: Application
    Filed: July 27, 2012
    Publication date: June 6, 2013
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Ji Wook JEONG, YongWon Jang, Hyung Wook Noh, Sooyeul Lee, Seunghwan Kim
  • Publication number: 20130121543
    Abstract: Provided is a device and method for calculating a lesion feature. The device includes a border discriminator configured to discriminate a border of a lesion on an image of an image signal, a border sharpness normalizer configured to normalize a border sharpness based on the border determined by the border discriminator and output the normalized border sharpness as a feature, and a vector generator configured to generate a vector having the feature outputted from the border discriminator as a component. Therefore, by using the lesion feature calculating device and method according to embodiments of the present invention, types of lesions on ultrasonic images are classified based on the borders of the lesions.
    Type: Application
    Filed: May 11, 2012
    Publication date: May 16, 2013
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Donghoon YU, Sooyeul LEE, Jeong Won LEE, Seunghwan KIM
  • Publication number: 20130030288
    Abstract: Provided are an image diagnosis apparatus and an image diagnosis method using the same. The image diagnosis apparatus includes an X-ray image tomosynthesis device fixing an object using an object fixing unit, the X-ray image tomosynthesis device generating an image tomosynthesis signal by irradiating a plurality of X-rays into the object, a photoacoustic image device fixing the object using the object fixing unit, the photoacoustic image device generating an ultrasonic signal by scanning the object using a photoacoustic light source, an image processing device for processing image signals transmitted from the X-ray image tomosynthesis device and the photoacoustic image device to generate a three-dimensional (3D) image, and a display device for displaying the 3D image generated from the image processing device. The image diagnosis apparatus may realize internal tissues of the object into a clear 3D image.
    Type: Application
    Filed: July 24, 2012
    Publication date: January 31, 2013
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Jeong Won LEE, Chang-Geun AHN, Sooyeul LEE, Donghoon YU, Seunghwan KIM
  • Publication number: 20120253166
    Abstract: Provided is a canal type mini-apparatus insertable in an ear for diagnosing a disease. The canal type mini-apparatus includes a canal body and a protrusion body. The canal body is insertable in an ear and includes a bio-data detection unit at an end thereof The bio-data detection unit is configured to detect biological data from an inside of the ear for diagnosing a disease. The protrusion body is disposed at the other end of the canal body and including a data transceiving unit. The data transceiving unit is configured to control the bio-data detection unit and transmit/receive a signal to/from an analyzing device. When the canal type mini-apparatus is inserted in the ear, at least a portion of the protrusion body protrudes outward from the ear.
    Type: Application
    Filed: January 23, 2012
    Publication date: October 4, 2012
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Chang-Geun AHN, Sooyeul Lee
  • Publication number: 20120135383
    Abstract: A meal plate includes: a plurality of container receiving parts for receiving a container to serve food; an input part for inputting the kind of the food served in the container which is received in the container receiving parts; a measuring part disposed under the container receiving part for measuring information of the food served in the container; a storage part for storing the information of the food measured in the measuring part; and a communication part for transmitting the information of the food stored in the storage part to a user terminal.
    Type: Application
    Filed: November 1, 2011
    Publication date: May 31, 2012
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: YongWon JANG, Hyung Wook NOH, Inbum LEE, Yoon Seon SONG, Sooyeul LEE
  • Patent number: 7952959
    Abstract: Provided are a phantom for standardizing ultrasonograph and a method of obtaining an ultrasonographic image using the phantom, and more particularly, a phantom for measuring fat content in a target organ as a gray level distribution using an ultrasonographic image and assessing the accuracy of ultrasonograph and a method and apparatus for obtaining a standardized ultrasonographic image using the phantom.
    Type: Grant
    Filed: October 24, 2007
    Date of Patent: May 31, 2011
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Ji Wook Jeong, Sooyeul Lee, Jeong Won Lee, Done Sik Yoo, Seunghwan Kim
  • Patent number: 7734080
    Abstract: A method and a device for measuring a pulmonary nodule volume using a dual-energy subtraction image are provided. The method includes: (a) obtaining a dual-energy subtraction image of a chest; (b) setting a specific region including a pulmonary nodule region in the obtained dual-energy subtraction image; (c) interpolating a gray level trend of a region surrounding the pulmonary nodule region into the pulmonary nodule region using a fitting function; and (d) measuring the pulmonary nodule volume by subtracting the interpolation result from the gray level data of the pulmonary nodule region. Accordingly, when it is desired to measure the pulmonary nodule volume using the dual-energy subtraction image, information on the thickness of the pulmonary nodule is obtained from the characteristic of the dual-energy subtraction image, and the pulmonary nodule volume is accurately measured by correcting errors at the border of the pulmonary nodule region using the fitting function.
    Type: Grant
    Filed: December 4, 2006
    Date of Patent: June 8, 2010
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sooyeul Lee, Jeong Won Lee, Seunghwan Kim
  • Publication number: 20090148022
    Abstract: Provided is a method and an apparatus for extracting an edge of a distal radius metaphysis. The method includes: setting a region of interest including a distal radius in an X-ray image; setting a potential energy distribution of the region of interest by using a gradient of gray levels; setting a temporary edge adjacent to both sides of a distal radius metaphysis and a side of an epiphysis in the region of interest; and extracting a detailed edge of the distal radius metaphysis having minimum energy by adjusting the set temporary edge using a metropolis annealing technique.
    Type: Application
    Filed: April 29, 2008
    Publication date: June 11, 2009
    Inventors: Sooyeul LEE, Jeong Won LEE, Seunghwan KIM, Seon Hee PARK
  • Publication number: 20080139933
    Abstract: Provided are a phantom for standardizing ultrasonograph and a method of obtaining an ultrasonographic image using the phantom, and more particularly, a phantom for measuring fat content in a target organ as a gray level distribution using an ultrasonographic image and assessing the accuracy of ultrasonograph and a method and apparatus for obtaining a standardized ultrasonographic image using the phantom.
    Type: Application
    Filed: October 24, 2007
    Publication date: June 12, 2008
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Ji Wook Jeong, Sooyeul Lee, Jeong Won Lee, Done Sik Yoo, Seunghwan Kim
  • Publication number: 20080139912
    Abstract: A method and system for acquiring a phalange edge image using an X-ray image of a hand are provided. The method includes: selecting a region of interest from an X-ray image of the hand; acquiring a soft tissue background gray level removed image by removing a soft tissue background gray level from the region of interest; and extracting a phalange edge image from the soft tissue background gray level removed image.
    Type: Application
    Filed: October 31, 2007
    Publication date: June 12, 2008
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Sooyeul LEE, Jeong Won Lee, Ji Wook Jeong, Done Sik Yoo, Seunghwan Kim
  • Publication number: 20070133854
    Abstract: A method and a device for measuring a pulmonary nodule volume using a dual-energy subtraction image are provided. The method includes: (a) obtaining a dual-energy subtraction image of a chest; (b) setting a specific region including a pulmonary nodule region in the obtained dual-energy subtraction image; (c) interpolating a gray level trend of a region surrounding the pulmonary nodule region into the pulmonary nodule region using a fitting function; and (d) measuring the pulmonary nodule volume by subtracting the interpolation result from the gray level data of the pulmonary nodule region. Accordingly, when it is desired to measure the pulmonary nodule volume using the dual-energy subtraction image, information on the thickness of the pulmonary nodule is obtained from the characteristic of the dual-energy subtraction image, and the pulmonary nodule volume is accurately measured by correcting errors at the border of the pulmonary nodule region using the fitting function.
    Type: Application
    Filed: December 4, 2006
    Publication date: June 14, 2007
    Inventors: Sooyeul Lee, Jeong Won Lee, Seunghwan Kim
  • Patent number: 7046834
    Abstract: A method for measuring a bone mineral density, by use of an x-ray image, in a bone mineral density measuring system, includes the steps of: (a) obtaining an X-ray image of bone; (b) setting a region of interest on the obtained X-ray image of bone; (c) calculating a background trend due to soft tissues, at a bone portion within the selected region of interest; and (d) calculating an index of the bone mineral density by removing the background trend due to the soft tissues, at the bone portion within the selected region of interest.
    Type: Grant
    Filed: December 21, 2001
    Date of Patent: May 16, 2006
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sooyeul Lee, Seunghwan Kim, Ji-Wook Jeong, Seon Hee Park
  • Publication number: 20040114726
    Abstract: Disclosed are a method of calibrating the bone mineral density index if the bone mineral density is to be measured using the X-ray image and a recording medium readable by a computer, on which a program for executing the method is recorded. The method comprises acquiring a phantom X-ray image having a region of two or more different thickness taken along with an object and calibrating the bone mineral density index of the object using the phantom. According to the present invention, it is possible to calibrate variation in the bone mineral density index caused by variation in X-ray radiographic condition.
    Type: Application
    Filed: September 25, 2003
    Publication date: June 17, 2004
    Inventors: Sooyeul Lee, Seunghwan Kim, Ji-Wook Jeong
  • Patent number: 6560474
    Abstract: A method for evaluating a structural strength of cancellous bone and a computer readable media incorporating a program for implementing the method therein. The method includes the steps of acquiring an x-ray image and defining a region of interest on the acquired x-ray image; extracting a bone trabecular pattern in the defined region of interest; and setting an index of the structural strength of the cancellous bone using an area density of the extracted bone trabecular pattern.
    Type: Grant
    Filed: May 15, 2001
    Date of Patent: May 6, 2003
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sooyeul Lee, Seunghwan Kim, Hyeon-Bong Pyo, Sangkyung Lee, Seon Hee Park
  • Publication number: 20020181755
    Abstract: A method for measuring a bone mineral density, by use of an x-ray image, in a bone mineral density measuring system, includes the steps of: (a) obtaining an X-ray image of bone; (b) setting a region of interest on the obtained X-ray image of bone; (c) calculating a background trend due to soft tissues, at a bone portion within the selected region of interest; and (d) calculating an index of the bone mineral density by removing the background trend due to the soft tissues, at the bone portion within the selected region of interest.
    Type: Application
    Filed: December 21, 2001
    Publication date: December 5, 2002
    Inventors: Sooyeul Lee, Seunghwan Kim, Ji-Wook Jeong, Seon Hee Park
  • Publication number: 20020076090
    Abstract: Disclosed are a method for evaluating a structural strength of cancellous bone and a computer readable media incorporating a program for implementing the method therein. The method includes the steps of acquiring an x-ray image and defining a region of interest on the acquired x-ray image; extracting a bone trabecular pattern in the defined region of interest; and setting an index of the structural strength of the cancellous bone using an area density of the extracted bone trabecular pattern.
    Type: Application
    Filed: May 15, 2001
    Publication date: June 20, 2002
    Inventors: Sooyeul Lee, Seunghwan Kim, Hyeon-Bong Pyo, Sangkyung Lee, Seon Hee Park
  • Patent number: 6377653
    Abstract: A method for calibrating a trabecular index with a sawtooth-shaped rack which corrects an error in the trabecular index due to the characteristics of an image input device or radiographic conditions of an x-ray image when a bone mineral density is measured by setting up the trabecular index with trabecular patterns of a simple x-ray image. The present invention includes a method for calibrating the trabecular index with a sawtooth-shaped rack, wherein bone mineral density is measured with the trabecular index calculated from an x-ray image and an error in the trabecular index is calibrated by a method of calibrating the trabecular index, the method includes the following steps. A first step is preparing an x-ray image by radiographing a bone and a sawtooth-shaped rack together. A second step is attaining trabecular indexes from the x-ray image of the rack and the bone. And, a third step is calibrating the trabecular index of the bone with the trabecular index of the rack.
    Type: Grant
    Filed: February 4, 2000
    Date of Patent: April 23, 2002
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sooyeul Lee, Hyeon-Bong Pyo, Seunghwan Kim, Seon Hee Park