Patents by Inventor Seong-deok Lee

Seong-deok 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).

  • Patent number: 10368015
    Abstract: Provided are an image composition apparatus for composing color images with black-and-white images including infrared components, and an image composition method thereof. The image composition method includes generating a first image signal with color information and a second image signal including infrared components without color information, dividing the first image signal into a brightness signal and a color signal, composing the brightness signal of the first image signal with a brightness signal of the second image signal to generate a composed brightness signal, and composing the composed brightness signal with the color signal of the first image signal to generate a color image.
    Type: Grant
    Filed: August 14, 2017
    Date of Patent: July 30, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Won-hee Choe, Jae-hyun Kwon, Seong-deok Lee
  • Publication number: 20190181682
    Abstract: Provided is a wireless power reception device including: a gate driver for generating a gate signal for switching between a turn-on voltage and a turn-off voltage; a rectifier connected to both ends of an inductor and including FETs whose on/off states are controlled by the gate signal; a rectifier output detection unit for sensing an output value of the rectifier; and an impedance control unit for controlling an impedance of the rectifier by controlling at least one of a duty ratio of the gate signal and a turn-on voltage for turning on the FET based on the output value.
    Type: Application
    Filed: November 26, 2018
    Publication date: June 13, 2019
    Inventors: Hak Yun KIM, Kang-Yoon LEE, Young-Jun PARK, Sung-Jin OH, Sang-Yun KIM, Byeong-Gi JANG, Seong-Mun PARK, Ki-Deok KIM
  • Patent number: 10305946
    Abstract: Disclosed is a method and apparatus for providing a group call service using mobile voice over Internet protocol (mVolP). According to one embodiment, an interface is provided to transmit a request signal for a group call to members of a group chat room, and from among the group chat room members, it may be determined which members are able to participate in a group call as group call members. A new group call chat room may be created and include the group call members. The request signal may be transmitted in the created new group call chat room.
    Type: Grant
    Filed: September 4, 2018
    Date of Patent: May 28, 2019
    Assignee: KAKAO CORP.
    Inventors: Young Joon Ryu, Hyang Deok Yim, Choon Taek Kim, Jung Taek Kim, Se Jong Seo, Dae Gil Kim, Dong Kuk Woo, Seok Kyoo Lee, Ki Yong Sim, Jun Jae Kim, Chang Ho Park, Hyun Seok Hwang, Seong Hark Kang
  • Patent number: 10187586
    Abstract: Provided is an image generation system and method, more particularly, an image generation system and method which can generate a high dynamic range image from a plurality of images acquired in a single short exposure. The image generation system To includes an image generation system having an image acquisition unit to acquire an image, an image generation unit to generate, from the acquired image, a plurality of images with different resolution and brightness, and an image synthesis unit to synthesize the generated images.
    Type: Grant
    Filed: June 15, 2015
    Date of Patent: January 22, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Won-hee Choe, Myung-jin Eom, Chang-yeong Kim, Seong-deok Lee
  • Patent number: 10048055
    Abstract: An optical probe for irradiating light onto a subject includes an optical path control unit configured to receive light from outside the optical probe, and change a path of the light within the optical probe; an optical path length control element configured to receive the light having the changed path from the optical path control unit, and change an optical path length of the light as the optical path control unit changes the path of the light; and an optical output unit configured to receive the light having the changed optical path length from the optical path length control element, and output the light.
    Type: Grant
    Filed: January 9, 2013
    Date of Patent: August 14, 2018
    Assignees: Samsung Electronics Co., Ltd., Korea University Research and Business Foundation
    Inventors: Jae-guyn Lim, Hyun Choi, Min-seog Choi, Won-he Choe, Seong-deok Lee, Woo-young Jang, Beop-min Kim, Hyun-woo Jeong
  • Patent number: 9964618
    Abstract: A method of magnetic resonance imaging (MRI) includes applying radio frequency (RF) pulses including a plurality of frequency components and a selection gradient to a target to simultaneously excite a plurality of sub-volumes included in each of a plurality of groups, wherein neighboring sub-volumes of all sub-volumes constituting a volume of the target belong to different groups; acquiring magnetic resonance signals from the plurality of sub-volumes by performing 3D encoding on each of the excited sub-volumes; and reconstructing the acquired magnetic resonance signals into image data corresponding to each of the plurality of sub-volumes.
    Type: Grant
    Filed: October 22, 2013
    Date of Patent: May 8, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young Beom Kim, Yeunchul Ryu, Jong-bum Son, Jaemock Yi, Seong-deok Lee
  • Publication number: 20180013963
    Abstract: Provided are an image composition apparatus for composing color images with black-and-white images including infrared components, and an image composition method thereof The image composition method includes generating a first image signal with color information and a second image signal including infrared components without color information, dividing the first image signal into a brightness signal and a color signal, composing the brightness signal of the first image signal with a brightness signal of the second image signal to generate a composed brightness signal, and composing the composed brightness signal with the color signal of the first image signal to generate a color image.
    Type: Application
    Filed: August 14, 2017
    Publication date: January 11, 2018
    Inventors: Won-hee CHOE, Jae-hyun KWON, Seong-deok LEE
  • Patent number: 9830846
    Abstract: An image display device capable of supporting brightness enhancement and power control and a method thereof, in which the brightness and contrast are enhanced and the power of a light source is controlled in accordance with the image characteristic. In the image display method, a parameter representative of an input image is calculated from a histogram of the input image, a model corresponding to the input image is selected from a plurality of representative models by analyzing the parameter, and then a brightness controlling function matched with the selected model is selected. The size of each component of a pixel constituting the input image is controlled using the brightness controlling function, and the output image of the pixel whose component size has been controlled is displayed.
    Type: Grant
    Filed: September 6, 2013
    Date of Patent: November 28, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Won-hee Choe, In-ji Kim, Seong-deok Lee, Chang-yeong Kim
  • Patent number: 9810757
    Abstract: Provided are high-speed magnetic resonance imaging methods and apparatuses that enable simultaneously obtaining magnetic resonance images with different resolutions. The present embodiments may produce magnetic resonance images with different resolutions more quickly by decreasing time taken to complete scan operations that are performed for producing the magnetic resonance images.
    Type: Grant
    Filed: November 8, 2013
    Date of Patent: November 7, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong-bum Son, Seong-deok Lee, Jaemock Yi
  • Patent number: 9736403
    Abstract: Provided are an image composition apparatus for composing color images with black-and-white images including infrared components, and an image composition method thereof. The image composition method includes generating a first image signal with color information and a second image signal including infrared components without color information, dividing the first image signal into a brightness signal and a color signal, composing the brightness signal of the first image signal with a brightness signal of the second image signal to generate a composed brightness signal, and composing the composed brightness signal with the color signal of the first image signal to generate a color image.
    Type: Grant
    Filed: February 20, 2015
    Date of Patent: August 15, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Won-hee Choe, Jae-hyun Kwon, Seong-deok Lee
  • Patent number: 9696398
    Abstract: Provided is a magnetic resonance imaging and positron emission tomography (MRI-PET) system. The MRI-PET system includes a PET unit and a radiofrequency (RF) coil disposed within a gradient coil assembly.
    Type: Grant
    Filed: November 5, 2013
    Date of Patent: July 4, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yeun-chul Ryu, Tae-yong Song, Young-beom Kim, Jae-mock Yi, Seong-deok Lee
  • Patent number: 9658306
    Abstract: A magnetic resonance imaging (MRI) method and apparatus are provided including a signal acquirer, a resonance frequency acquirer, and an RF driver. The signal acquirer is configured to acquire a free induction decay (FID) signal or an echo signal to generate a magnetic resonance image of a portion of an area of a subject. The resonance frequency acquirer is configured to acquire a resonance frequency of the portion of the area from the acquired FID signal. The RF driver is configured to generate a refocusing RF pulse having the acquired resonance frequency. The signal acquirer, the resonance frequency acquirer and the RF driver are configured to acquire and generate in each of sections of an RF pulse sequence.
    Type: Grant
    Filed: November 7, 2013
    Date of Patent: May 23, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong-bum Son, Seong-deok Lee, Jaemock Yi
  • Patent number: 9625250
    Abstract: A method of generating a tomographic image includes detecting an interference signal containing cross-sectional information of a target object as raw data of the target object, the raw data being phase-modulated in a first direction with respect to a cross section of the target object; demodulating the raw data by adjusting at least one parameter of a filter function defining filtering using a fixed window size; and generating a tomographic image of the target object by performing signal processing on the demodulated raw data.
    Type: Grant
    Filed: April 26, 2013
    Date of Patent: April 18, 2017
    Assignees: Samsung Electronics Co., Ltd., Korea University Research and Business Foundation
    Inventors: Jae-guyn Lim, Beop-min Kim, Won-zoo Chung, Hyun-woo Jeong, Seong-deok Lee, Woo-young Jang
  • Patent number: 9625555
    Abstract: A method of shimming a magnetic field, includes applying radio frequency (RF) signals to an object, using a transceiver coil, and calibrating phase offsets of magnetic resonance signals acquired from the object through a receiver coil. The method further includes generating RF signals to be applied through the transceiver coil based on magnetic resonance signals acquired from the object through the transceiver coil and the calibrated magnetic resonance signals.
    Type: Grant
    Filed: August 21, 2013
    Date of Patent: April 18, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yeun-chul Ryu, Young-beom Kim, Seong-deok Lee, Jae-mock Yi
  • Patent number: 9618324
    Abstract: Provided is an apparatus and method for generating tomography mages, the apparatus including a detection unit configured to modulate each of incident beams into at least two basic modulated incident lights on the basis of at least a basic modulation parameter and into a target modulated incident light on the basis of a target modulation parameter, and to detect at least two basic interference signals and a target interference signal of an object; and an imaging unit configured to analyze the at least two basic interference signals to output a set target modulation parameter, to process the target interference signal as a target image of the object, and to output the target image.
    Type: Grant
    Filed: November 15, 2013
    Date of Patent: April 11, 2017
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Jae-guyn Lim, YongKeun Park, Jae-duck Jang, Hyeonseung Yu, Seong-deok Lee, Woo-young Jang, Hyun Choi
  • Patent number: 9606203
    Abstract: a radio frequency (RF) coil device includes a plurality of RF coil elements configured to generate an RF magnetic field, and a support member configured to support the plurality of RF coil elements so that at least one of the plurality of RF coil elements is movable.
    Type: Grant
    Filed: December 10, 2013
    Date of Patent: March 28, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yeunchul Ryu, Young Beom Kim, Jaemock Yi, Seong-deok Lee
  • Patent number: 9569820
    Abstract: Image correcting methods and apparatuses for removing speckles from an image are provided. The image correcting method includes selecting a first region in an image; removing a speckle from a second region except for the first region from the image by using image information at a predetermined frequency band in the image; and increasing a contrast level of the first region.
    Type: Grant
    Filed: January 2, 2014
    Date of Patent: February 14, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Won-hee Choe, Jae-guyn Lim, Seong-deok Lee
  • Patent number: 9551771
    Abstract: Provided are a method and apparatus for obtaining a magnetic resonance imaging (MRI) image of a subject. Typically, MRI image processing that incorporates fat suppression takes a large amount of time to complete. According to various aspects, image processing that incorporates fat suppression may be postponed until MRI data is repeatedly obtained. By doing so, for example, more MRI data may be obtained during a time period of a heartbeat.
    Type: Grant
    Filed: October 8, 2013
    Date of Patent: January 24, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong-bum Son, Seong-deok Lee, Jae-mock Yi
  • Patent number: 9541375
    Abstract: A method and apparatus are provided to generate tomography images that performs the method. The apparatus and method are configured to determine a basis pattern from modulated phases of incident rays from a spatial light modulator according to a pattern of arranged pixels. The apparatus and method are further configured to perform spatial shift modulation shifting an arrangement of the pixels vertically or horizontally with respect to the basis pattern to obtain shift patterns of the basis pattern. The apparatus and method are configured to generate tomography images for the basis pattern and the shift patterns using spectrum signals of rays obtained from the incident rays passing through the spatial light modulator and entering a subject. The apparatus and method are configured to select a pattern that generates a clearest tomography image of the subject based on the generated tomography images.
    Type: Grant
    Filed: July 19, 2013
    Date of Patent: January 10, 2017
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Techonlogy
    Inventors: Jae-guyn Lim, YongKeun Park, Jae-duck Jang, Hyeon-seung Yu, Seong-deok Lee, Woo-young Jang
  • Patent number: 9435922
    Abstract: An image sensor capable of ensuring high sensitivity image and minimizing color distortion is provided. The image sensor includes a first filter unit, a second filter unit formed at a lower part of the first filter unit and a sensor unit formed at a lower part of the second filter unit. The first filter unit is configured to pass light corresponding to a visible light region, pass light corresponding to a first region of a longer wavelength than the light corresponding to the visible region and cut off light corresponding to a second region of a longer wavelength than the light corresponding to the first region. The second filter unit is configure to pass light having a predetermined wavelength in a wavelength range corresponding to the visible light region among the light passing through the first filter unit and pass light corresponding to the first region. The sensor unit is configured to detect the light passing through the second filter unit.
    Type: Grant
    Filed: June 23, 2011
    Date of Patent: September 6, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Won-Hee Choe, Seong-Deok Lee, Young-Jin Yoo