Patents by Inventor Kyu Choi

Kyu Choi 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: 10395112
    Abstract: A device and method of recognizing an iris is provided. An iris recognition device may determine a threshold brightness using a histogram of a reference area from an iris image and exclude a target pixel from iris recognition in a candidate area based on the determined threshold brightness.
    Type: Grant
    Filed: August 9, 2017
    Date of Patent: August 27, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyunjeong Lee, Jihye Kim, Sungjoo Suh, Chang Kyu Choi
  • Patent number: 10395098
    Abstract: A method of converting a vector corresponding to an input image includes receiving input vector data associated with an input image including an object; and converting the received input vector data into feature data based on a projection matrix having a fixed rank, wherein a first dimension of the input vector data is higher than a second dimension of the feature data.
    Type: Grant
    Filed: September 19, 2016
    Date of Patent: August 27, 2019
    Assignees: SAMSUNG ELECTRONICS CO., LTD., NORTHEASTERN UNIVERSITY
    Inventors: Wonjun Hwang, Sungjoo Suh, Jaejoon Han, Chang Kyu Choi, Yun Fu, Zhengming Ding, Ming Shao
  • Patent number: 10384965
    Abstract: The present invention relates to a sewage treatment system using granules, and more particularly, the sewage treatment system includes: an anoxic tank which has a sewage inlet port into which sewage is introduced; an anaerobic tank which is connected to the anoxic tank; intermittent aeration tanks which are connected to the anaerobic tank, have two or more separately divided spaces, and have, in the spaces, granules and aeration devices that alternately operate; and a settling tank which is connected to the intermittent aeration tanks, and the sewage treatment system is operated by a method including: a first step of introducing sewage; a second step of allowing the introduced sewage to pass through the anoxic tank and to be supplied with carbon; a third step of allowing the sewage passing through the anoxic tank to be introduced into the anaerobic tank; a fourth step of allowing the sewage passing through the anaerobic tank to be introduced into a first intermittent aeration tank and a second intermittent ae
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: August 20, 2019
    Assignees: Samyoung Global, Korea Institute of Science and Technology
    Inventors: Chanhyuk Park, Yunchul Chung, Yongxun Jin, Min Kyu Choi, Changhyun Ryu, Dongkuk Shin, Daeyoung Kwon
  • Patent number: 10387714
    Abstract: A face verifying method and apparatus. The face verifying method includes detecting a face region from an input image, generating a synthesized face image by combining image information of the face region and reference image information, based on a determined masking region, extracting one or more face features from the face region and the synthesized face image, performing a verification operation with respect to the one or more face features and predetermined registration information, and indicating whether verification of the input image is successful based on a result of the performed verification operation.
    Type: Grant
    Filed: February 5, 2018
    Date of Patent: August 20, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seungju Han, Minsu Ko, Deoksang Kim, Chang Kyu Choi, Jaejoon Han
  • Patent number: 10387716
    Abstract: A method and apparatus for recognizing a facial expression is provided. The method of recognizing the facial expression includes extracting a feature from an input image, extracting a feature from a reference image, and recognizing a user facial expression based on a difference between the feature of the input image and the feature of the reference image.
    Type: Grant
    Filed: March 23, 2017
    Date of Patent: August 20, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Youngsung Kim, Byungin Yoo, Youngjun Kwak, Chang Kyu Choi
  • Publication number: 20190251239
    Abstract: A processor-implemented method of performing authentication includes obtaining a first biometric information of a user according to a first modality; calculating a first score based on the first biometric information; filtering the first score; determining whether the filtered first score satisfies a second condition; and selectively, based on a result of the determining, authenticating the user based on the first score and a first condition corresponding to the first modality. The second condition is different from the first condition.
    Type: Application
    Filed: January 17, 2019
    Publication date: August 15, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jihye KIM, Seungju HAN, Jaejoon HAN, Chang Kyu CHOI
  • Publication number: 20190248450
    Abstract: An apparatus for reliquefaction of boil-off gas for a vessel, comprises: a compression unit for compressing the boil-off gas discharged from the storage tank; and a heat exchanger for heat-exchanging the compressed boil-off gas compressed by the compression unit with the boil-off gas discharged from the storage tank; a first expansion means for dividing the boil-off gas passing through the heat exchanger into at least two flows including a first flow and a second flow, and expanding the divided first flow; a first intercooler for cooling the second flow remaining after the division of the first flow by using the first flow expanded by the expansion means as a refrigerant; and a receiver for receiving a second flow having passed through the first intercooler, in which a downstream pressure of the compression unit is controlled by a flow discharged from the receiver.
    Type: Application
    Filed: October 17, 2016
    Publication date: August 15, 2019
    Inventors: Seung Chul LEE, Seon Jin KIM, Dong Kyu CHOI
  • Publication number: 20190251245
    Abstract: A method and apparatus with selective combined authentication performs a single authentication based on a first modality among plural modalities, and in response to the single authentication having failed, determines whether to perform a combined authentication by a combination of two or more of the plural modalities, and selectively, depending on a result of the determining of whether to perform the combined authentication, performs the combined authentication.
    Type: Application
    Filed: February 7, 2019
    Publication date: August 15, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jihye KIM, Seungju HAN, Jaejoon HAN, Minsu KO, SungUn PARK, Chang Kyu CHOI
  • Publication number: 20190251684
    Abstract: Disclosed is an image fusion method and apparatus. The fusion method includes detecting first feature points of an object in a first image frame from the first image frame; transforming the first image frame based on the detected first feature points and predefined reference points to generate a transformed first image frame; detecting second feature points of the object in a second image frame from the second image frame; transforming the second image frame based on the detected second feature points and the predefined reference points to generate a transformed second image frame; and generating a combined image by combining the transformed first image frame and the transformed second image frame.
    Type: Application
    Filed: December 18, 2018
    Publication date: August 15, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Minsu KO, Seungju HAN, Jaejoon HAN, Jihye KIM, SungUn PARK, Chang Kyu CHOI
  • Publication number: 20190251436
    Abstract: A processing method using a neural network includes generating output maps of a current layer of the neural network by performing a convolution operation between input maps of the current layer and weight kernels of the current layer, determining a lightweight format for the output maps of the current layer based on a distribution of at least a portion of activation data being processed in the neural network, and lightening activation data corresponding to the output maps of the current layer to have a low bit width based on the determined lightweight format.
    Type: Application
    Filed: February 12, 2019
    Publication date: August 15, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: ChangYong SON, Jinwoo SON, Sangil JUNG, Chang Kyu CHOI, Jae-Joon HAN
  • Patent number: 10374295
    Abstract: An electronic device that utilizes a display as an antenna is provided. The electronic device may include a display including a conductive layer, a signal power supply part electrically coupled to the conductive layer in order to utilize the conductive layer as an antenna radiator, and a substrate electrically connected to the signal power supply part so as to receive a signal of an antenna radiator of the conductive layer through the signal power supply part.
    Type: Grant
    Filed: April 19, 2017
    Date of Patent: August 6, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yoon-Geon Kim, Seung-Tae Ko, Sang-Ho Lim, Dong-Kyu Choi, Won-Bin Hong
  • Publication number: 20190237127
    Abstract: A memory device includes a clock receiver configured to receive, from a memory controller, a write clock that is used to receive write data during a data write operation, a duty monitor configured to generate first monitoring information by monitoring a duty of the write clock, and a duty adjuster configured to adjust the duty of the write clock in response to a duty control signal and output an adjusted write clock. The memory device provides the first monitoring information to the memory controller, and receives the duty control signal, generated using the first monitoring information, from the memory controller.
    Type: Application
    Filed: December 21, 2018
    Publication date: August 1, 2019
    Inventors: DAE-SIK MOON, Gil-Hoon Cha, Ki-Seok Oh, Chang-Kyo Lee, Yeon-Kyu Choi, Jung-Hwan Choi, Kyung-Soo Ha, Seok-Hun Hyun
  • Patent number: 10364013
    Abstract: A ship including a storage tank for storing a liquefied gas includes: a boil-off gas (BOG) heat exchanger installed on a downstream of a storage tank and heat-exchanges a compressed BOG (“a first fluid”) by a BOG discharged from the storage tank as a refrigerant, to cool the BOG; a compressor installed on a downstream of the BOG heat exchanger and compresses a part of the BOG discharged from the storage tank; an extra compressor installed on a downstream of the BOG heat exchanger and in parallel with the compressor and compresses the other part of the BOG discharged from the storage tank; a refrigerant heat exchanger which additionally cools the first fluid cooled by the BOG heat exchanger; and a refrigerant decompressing device which expands a second fluid sent to the refrigerant heat exchanger, and then sends the second fluid back to the refrigerant heat exchanger.
    Type: Grant
    Filed: April 5, 2016
    Date of Patent: July 30, 2019
    Assignee: DAEWOO SHIPBUILDING & MARINE ENGINEERING CO., LTD.
    Inventors: Hyun Jun Shin, Dong Kyu Choi, Young Sik Moon, Su Kyung An, Hyun Min Jang, Jae Wook Son, Joon Chae Lee
  • Publication number: 20190224222
    Abstract: Provided are a use of D-galactose in inhibition of quorum sensing and/or in prevention and/or treatment of oral bacterial diseases; in particular, a composition for inhibiting quorum sensing and a composition for preventing and/or treating oral bacterial diseases, the composition comprising D-galactose, and a method of inhibiting quorum sensing and a method of preventing and/or treating oral bacterial diseases, the method comprising administering D-galactose.
    Type: Application
    Filed: March 26, 2019
    Publication date: July 25, 2019
    Inventors: Bong Kyu CHOI, Eun Ju Ryu, Jae Hyun Sim, Byeong Moon Kim, Julian Lee, Jun Sim
  • Publication number: 20190229479
    Abstract: An electrical plug comprising: a socket part (5a, 5b, 5c, 5d) having a plurality of electrical plugs configured for directly or indirectly plugging into a mains electrical socket; a device part (3) having at least one power output configured for direct or indirect coupling to an electrical device; wherein the socket part is separate and releasable from the device part, and the socket part and device part comprise respective parts of two two-part engagement formations that are engageable to physically and electrically couple the socket part to the device part.
    Type: Application
    Filed: April 2, 2019
    Publication date: July 25, 2019
    Applicant: Made In Mind Ltd
    Inventors: Matthew Judkins, Min-Kyu Choi
  • Patent number: 10358369
    Abstract: A treated water tank in oil sand plant, comprising a first housing; an inlet provided in the first housing, through which a treated water flows in; an outlet provided in the first housing, through which the treated water stored is discharged; a second housing installed in the upper side of the first housing and communicated with the first housing by a pressure-controlling pipe; a gas discharge pipe provided in one side of the second housing for opening to the air; and a gas curtain provided in the second housing for preventing the treated water stored in the first housing from being in contact with the air. The treated water tank in oil sand plant according to the present invention simplifies the process of producing the treated water to be reused from the production water, reduces the risk of environment contamination due to the reuse of more purified treated water.
    Type: Grant
    Filed: September 21, 2017
    Date of Patent: July 23, 2019
    Assignee: Vitzrotech Co., Ltd.
    Inventors: Byung-Ho Rhee, Lee-Ho Hwang, Sang-Hoon Park, Moon-Kyu Choi, Young-Hwa Cho
  • Patent number: 10360467
    Abstract: At least some example embodiments disclose a device and a method for generating a synthetic image and a different-angled image and eliminating noise. The method may include receiving input images, extracting feature values corresponding to the input images using an image learning model, the image learning model permitting an input and an output to be identical and generating a synthetic image based on the feature values corresponding to the input images using the image learning model.
    Type: Grant
    Filed: November 3, 2015
    Date of Patent: July 23, 2019
    Assignees: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Byungin Yoo, Jun Ho Yim, Jun Mo Kim, Hee Chul Jung, Chang Kyu Choi, Jaejoon Han
  • Publication number: 20190218619
    Abstract: This disclosure relates to a composition for diagnosing cancer by using potassium channel proteins; to a kit for diagnosing cancer comprising the composition; and to an information providing method for diagnosing cancer. Specifically, the composition or kit for diagnosing cancer provided in this disclosure may be used to diagnose the onset of cancer regardless of its type, by measuring the expression levels of potassium channels, KCa3.1 channel and KCa2.3 channel, or a regulator thereof from vascular endothelial cells treated with a sample of a subject, or from red blood cells isolated from the subject, and thus can be widely utilized in determining the stages of progression (growth, metastasis, prognosis, and recurrence) of various cancers.
    Type: Application
    Filed: June 12, 2017
    Publication date: July 18, 2019
    Inventors: Suk Hyo SUH, Shin Kyu CHOI, Ji Aee KIM
  • Patent number: 10353574
    Abstract: A method comprising: displaying a live view image on a screen; detecting a first gesture that is performed on the screen when the live view image is displayed; and displaying a thumbnail menu on the screen together with the live view image based on a duration of the first gesture.
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: July 16, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Won-seok Song, Myung-kyu Choi, Tae-hoon Kang
  • Patent number: 10352499
    Abstract: This application relates to a liquefied natural gas storage apparatus. The apparatus includes a heat insulated tank and liquefied natural gas contained in the tank. The tank has heat insulation sufficient to maintain liquefied natural gas therein such that most of the liquefied natural gas stays in liquid. The contained liquefied natural gas has a vapor pressure from about 0.3 bar to about 2 bar. The apparatus further includes a safety valve configured to release a part of liquefied natural gas contained in the tank when a vapor pressure of liquefied natural gas within the tank becomes higher than a cut-off pressure. The cut-off pressure is from about 0.3 bar to about 2 bar.
    Type: Grant
    Filed: July 26, 2013
    Date of Patent: July 16, 2019
    Assignee: DAEWOO SHIPBUILDING & MARINE ENGINEERING CO., LTD.
    Inventors: Jung Han Lee, Jung Ho Choi, Sung Kon Han, Dong Kyu Choi, Young Sik Moon