Patents by Inventor Ki-Hwan Choi

Ki-Hwan 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: 11341375
    Abstract: Apparatuses and methods for image processing are provided. The image processing apparatus performs area classification and object detection in an image, and includes a feature map generator configured to generate the feature map of the input image using the neural network, and an image processor configured to classify the areas and to detect the objects in the image using the generated feature map.
    Type: Grant
    Filed: November 14, 2019
    Date of Patent: May 24, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun Jin Choi, Chang Hyun Kim, Eun Soo Shim, Dong Hwa Lee, Ki Hwan Choi
  • Patent number: 10791979
    Abstract: Disclosed is an apparatus and method to train an autonomous driving model. The apparatus includes a driver information collection processor configured to collect driver information while a vehicle is being driven. The apparatus also includes a sensor information collection processor configured to collect sensor information from a sensor installed in the vehicle while the vehicle is being driven, and a model training processor configured to train the autonomous driving model based on the driver information and the sensor information.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: October 6, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong Hwa Lee, Chang Hyun Kim, Eun Soo Shim, Ki Hwan Choi, Hyun Jin Choi
  • Patent number: 10681270
    Abstract: An electronic device comprises a camera; a sensor configured to sense a motion; and one or more processors, wherein the one or more processors are configured to: sequentially acquire a plurality of images using the camera and acquire motion information of the plurality of images using the sensor, during a specified time; create a panoramic image with a first image sub-set comprising a portion of the plurality of images and a second image sub-set comprising another portion of the plurality of images, and moving picture data related to the panoramic image; and determine whether to correct at least a partial section of the moving picture data using a particular image from the second image sub-set that corresponds to the at least the partial section of the moving picture data, based on the frame rate of the at least the partial section of the moving picture data.
    Type: Grant
    Filed: February 6, 2018
    Date of Patent: June 9, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yoon Jeong Heo, Ievgen Zaichuk, Ki Hwan Choi, Jin Joo Park, Stephanie Kim Ahn, Si Hyoung Lee, Ji Yoon Park, Jung Eun Lee
  • Publication number: 20200090008
    Abstract: Apparatuses and methods for image processing are provided. The image processing apparatus performs area classification and object detection in an image, and includes a feature map generator configured to generate the feature map of the input image using the neural network, and an image processor configured to classify the areas and to detect the objects in the image using the generated feature map.
    Type: Application
    Filed: November 14, 2019
    Publication date: March 19, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hyun Jin CHOI, Chang Hyun KIM, Eun Soo SHIM, Dong Hwa LEE, Ki Hwan CHOI
  • Patent number: 10489684
    Abstract: Apparatuses and methods for image processing are provided. The image processing apparatus performs area classification and object detection in an image, and includes a feature map generator configured to generate the feature map of the input image using the neural network, and an image processor configured to classify the areas and to detect the objects in the image using the generated feature map.
    Type: Grant
    Filed: September 21, 2016
    Date of Patent: November 26, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun Jin Choi, Chang Hyun Kim, Eun Soo Shim, Dong Hwa Lee, Ki Hwan Choi
  • Patent number: 10339675
    Abstract: A tomography method for generating a computed tomography (CT) image, including generating a first tomography image based on first raw data corresponding to a received X-ray comprising acquired photons; determining second raw data by generating a second tomography image having an increased resolution in comparison with the first tomography image and performing forward projection on the second tomography image; determining third raw data based on a first parameter, the first raw data, and the second raw data; and generating a third tomography image based on the third raw data, wherein the determining of the third raw data may be based on information about a distribution of the acquired photons, the information being included in at least one from among the first raw data and the second raw data.
    Type: Grant
    Filed: October 31, 2016
    Date of Patent: July 2, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ki-hwan Choi, Seok-min Han, Sang-wook Yoo, Jong-hyon Yi
  • Patent number: 10133938
    Abstract: Disclosed are methods and apparatuses for object recognition using an artificial neural network. An object recognition apparatus includes an adjacent pixel setter configured to set the neighboring pixel pairs in the image frame, each neighboring pixel pair including first pixel and one or more second pixels adjacent to the first pixel, a labeler configured to label the first pixel using deep neural network-based model based on probability density function value of the neighboring pixel pairs, and an object recognizer configured to recognize an object based on the labeled first pixel.
    Type: Grant
    Filed: September 15, 2016
    Date of Patent: November 20, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang Hyun Kim, Tae Sup Moon, Dong Hwa Lee, Hyun Jin Choi, Ki Hwan Choi
  • Publication number: 20180325442
    Abstract: Disclosed is an apparatus and method to train an autonomous driving model. The apparatus includes a driver information collection processor configured to collect driver information while a vehicle is being driven. The apparatus also includes a sensor information collection processor configured to collect sensor information from a sensor installed in the vehicle while the vehicle is being driven, and a model training processor configured to train the autonomous driving model based on the driver information and the sensor information.
    Type: Application
    Filed: July 13, 2018
    Publication date: November 15, 2018
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Dong Hwa LEE, Chang Hyun KIM, Eun Soo SHIM, Ki Hwan CHOI, Hyun Jin CHOI
  • Publication number: 20180227487
    Abstract: An electronic device comprises a camera; a sensor configured to sense a motion; and one or more processors, wherein the one or more processors are configured to: sequentially acquire a plurality of images using the camera and acquire motion information of the plurality of images using the sensor, during a specified time; create a panoramic image with a first image sub-set comprising a portion of the plurality of images and a second image sub-set comprising another portion of the plurality of images, and moving picture data related to the panoramic image; and determine whether to correct at least a partial section of the moving picture data using a particular image from the second image sub-set that corresponds to the at least the partial section of the moving picture data, based on the frame rate of the at least the partial section of the moving picture data.
    Type: Application
    Filed: February 6, 2018
    Publication date: August 9, 2018
    Inventors: Yoon Jeong HEO, Ievgen ZAICHUK, Ki Hwan CHOI, Jin Joo PARK, Stephanie Kim AHN, Si Hyoung LEE, Ji Yoon PARK, Jung Eun LEE
  • Patent number: 10034630
    Abstract: Disclosed is an apparatus and method to train an autonomous driving model. The apparatus includes a driver information collection processor configured to collect driver information while a vehicle is being driven. The apparatus also includes a sensor information collection processor configured to collect sensor information from a sensor installed in the vehicle while the vehicle is being driven, and a model training processor configured to train the autonomous driving model based on the driver information and the sensor information.
    Type: Grant
    Filed: November 15, 2016
    Date of Patent: July 31, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong Hwa Lee, Chang Hyun Kim, Eun Soo Shim, Ki Hwan Choi, Hyun Jin Choi
  • Publication number: 20170206681
    Abstract: A tomography method for generating a computed tomography (CT) image, including generating a first tomography image based on first raw data corresponding to a received X-ray comprising acquired photons; determining second raw data by generating a second tomography image having an increased resolution in comparison with the first tomography image and performing forward projection on the second tomography image; determining third raw data based on a first parameter, the first raw data, and the second raw data; and generating a third tomography image based on the third raw data, wherein the determining of the third raw data may be based on information about a distribution of the acquired photons, the information being included in at least one from among the first raw data and the second raw data.
    Type: Application
    Filed: October 31, 2016
    Publication date: July 20, 2017
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ki-hwan CHOI, Seok-min HAN, Sang-wook YOO, Jong-hyon YI
  • Publication number: 20170169313
    Abstract: Apparatuses and methods for image processing are provided. The image processing apparatus performs area classification and object detection in an image, and includes a feature map generator configured to generate the feature map of the input image using the neural network, and an image processor configured to classify the areas and to detect the objects in the image using the generated feature map.
    Type: Application
    Filed: September 21, 2016
    Publication date: June 15, 2017
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hyun Jin CHOI, Chang Hyun KIM, Eun Soo SHIM, Dong Hwa LEE, Ki Hwan CHOI
  • Publication number: 20170135621
    Abstract: Disclosed is an apparatus and method to train an autonomous driving model. The apparatus includes a driver information collection processor configured to collect driver information while a vehicle is being driven. The apparatus also includes a sensor information collection processor configured to collect sensor information from a sensor installed in the vehicle while the vehicle is being driven, and a model training processor configured to train the autonomous driving model based on the driver information and the sensor information.
    Type: Application
    Filed: November 15, 2016
    Publication date: May 18, 2017
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Dong Hwa LEE, Chang Hyun KIM, Eun Soo SHIM, Ki Hwan CHOI, Hyun Jin CHOI
  • Publication number: 20170083772
    Abstract: Disclosed are methods and apparatuses for object recognition using an artificial neural network. An object recognition apparatus includes an adjacent pixel setter configured to set the neighboring pixel pairs in the image frame, each neighboring pixel pair including first pixel and one or more second pixels adjacent to the first pixel, a labeler configured to label the first pixel using deep neural network-based model based on probability density function value of the neighboring pixel pairs, and an object recognizer configured to recognize an object based on the labeled first pixel.
    Type: Application
    Filed: September 15, 2016
    Publication date: March 23, 2017
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chang Hyun KIM, Tae Sup MOON, Dong Hwa LEE, Hyun Jin CHOI, Ki Hwan CHOI
  • Patent number: 9524782
    Abstract: A nonvolatile memory device, including a first latch unit and a nonvolatile memory cell, and a method of writing data in a nonvolatile memory device are provided. The method includes receiving a first writing command or a second writing command from outside of the nonvolatile memory device, and writing first data stored in the first latch unit in the nonvolatile memory cell in response to the first or second writing command. The first data is retained in the first latch unit until the writing of the first data stored in the first latch unit in the nonvolatile memory cell is completed.
    Type: Grant
    Filed: November 26, 2014
    Date of Patent: December 20, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ji-Sang Lee, Ki-Hwan Choi, Oh-Suk Kwon
  • Publication number: 20160154945
    Abstract: A method performed at a terminal of a medical team user for changing a medicine-taking schedule includes generating a first medicine-taking schedule, transmitting the first medicine-taking schedule to a terminal of a patient, and receiving a medicine-taking schedule change request from the terminal of the patient. A further operation includes changing the first medicine-taking schedule to a second medicine-taking schedule when a time parameter of the first medicine-taking schedule is within a threshold value of a time parameter of the second medicine-taking schedule.
    Type: Application
    Filed: December 1, 2014
    Publication date: June 2, 2016
    Applicant: LG CNS CO., LTD.
    Inventors: Jee Hyun KIM, Ki Hwan CHOI, Young Kook KIM, Hyun Jung PARK, Young Don HWANG
  • Publication number: 20160125145
    Abstract: Provided is an apparatus, system, and method related to displaying medicine-taking information, including displaying a first page received from a schedule management server on a display of a patient terminal, the first page including a medicine schedule associated with a particular medicine; displaying a second page separately from the first page on the display, the second page configured for inputting information related to pickup of the particular medicine associated with the medicine schedule; displaying a third page separately from the first page and the second page on the display, the third page including a detailed information button for displaying additional information related to the particular medicine; and transmitting input information for at least the first, second, or third page to the schedule management server.
    Type: Application
    Filed: October 30, 2014
    Publication date: May 5, 2016
    Applicant: LG CNS CO., LTD.
    Inventors: JEE HYUN KIM, Ki Hwan CHOI, Young Kook KIM, Hyun Jung PARK, Young Don HWANG
  • Publication number: 20160088257
    Abstract: Provided is a medical care provider terminal, a patient terminal and a method for making a video call therebetween. The method may include receiving, at a medical care provider terminal, a video call request from a patient terminal, connecting, at the medical care provider, a video call to the patient terminal, and displaying patient-related information in a first region of a display of the medical care provider terminal and displaying a video call screen in a second region of the display. The video call screen may include a sharing region for sharing with the patient terminal at least one of a first video captured by a camera module connected to the patient terminal, a second video captured by a camera module connected to the medical care provider terminal, the patient-related information, or data input at the medical care provider terminal.
    Type: Application
    Filed: September 24, 2014
    Publication date: March 24, 2016
    Inventors: Jee Hyun KIM, Young Kook KIM, Ki Hwan CHOI, Si Young PARK, Hyun Jung PARK, Young Don HWANG
  • Publication number: 20150155046
    Abstract: A nonvolatile memory device, including a first latch unit and a nonvolatile memory cell, and a method of writing data in a nonvolatile memory device are provided. The method includes receiving a first writing command or a second writing command from outside of the nonvolatile memory device, and writing first data stored in the first latch unit in the nonvolatile memory cell in response to the first or second writing command. The first data is retained in the first latch unit until the writing of the first data stored in the first latch unit in the nonvolatile memory cell is completed.
    Type: Application
    Filed: November 26, 2014
    Publication date: June 4, 2015
    Inventors: JI-SANG LEE, KI-HWAN CHOI, OH-SUK KWON
  • Patent number: 8879320
    Abstract: A method of programming a multi-level cells (MLC) commonly coupled to a word line in a non-volatile memory device includes shadow-programming first MLC to a first shadow state, shadow-programming second MLC to a second shadow state less than the first shadow state, and then main-programming the first MLC from the first shadow state to a first final state and main-programming the second MLC from the second shadow state to the second final state less than the first final state.
    Type: Grant
    Filed: September 12, 2012
    Date of Patent: November 4, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chung-Hyun Lee, Ki-Hwan Choi