Patents by Inventor Do-kwan OH
Do-kwan OH 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: 11681921Abstract: A method of generating a second neural network model according to an example embodiment includes: inputting unlabeled input data to a first neural network model; obtaining prediction results corresponding to the unlabeled input data based on the first neural network model; and generating a second neural network model based on the prediction results of the first neural network model and a degree of distribution of the prediction results.Type: GrantFiled: October 22, 2019Date of Patent: June 20, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Do-kwan Oh, Cheol-hun Jang, Dae-hyun Ji
-
Patent number: 11347240Abstract: Provided is a method and apparatus for determining a path of a vehicle. The method includes receiving a radio frequency (RF) signal among RF signals predefined corresponding to other vehicles in front of the vehicle, and determining a path of the vehicle based on the received RF signal.Type: GrantFiled: July 29, 2019Date of Patent: May 31, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Do-kwan Oh, Young-wan Seo
-
Patent number: 11294392Abstract: A road line determination method and apparatus is provided. The method includes: performing detection of two road lines of a lane in which the vehicle is driving from a driving image; determining whether at least one road line of the two road lines is not detected; if it is determined that the at least one road line is not detected, determining at least one road line for the at least one undetected road line based on first information about a drivable road area comprising the road; and controlling driving of the vehicle based on the at least one determined road line.Type: GrantFiled: July 29, 2019Date of Patent: April 5, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dae-hyun Ji, Won-ju Lee, Cheol-hun Jang, Do-kwan Oh, Yoon-suk Hyun
-
Publication number: 20200134427Abstract: A method of generating a second neural network model according to an example embodiment includes: inputting unlabeled input data to a first neural network model; obtaining prediction results corresponding to the unlabeled input data based on the first neural network model; and generating a second neural network model based on the prediction results of the first neural network model and a degree of distribution of the prediction results.Type: ApplicationFiled: October 22, 2019Publication date: April 30, 2020Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Do-kwan OH, Cheol-hun Jang, Dae-hyun Ji
-
Publication number: 20200110413Abstract: Provided is a method and apparatus for determining a path of a vehicle. The method includes receiving a radio frequency (RF) signal among RF signals predefined corresponding to other vehicles in front of the vehicle, and determining a path of the vehicle based on the received RF signal.Type: ApplicationFiled: July 29, 2019Publication date: April 9, 2020Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Do-kwan Oh, Young-wan Seo
-
Publication number: 20200064855Abstract: A road line determination method and apparatus is provided. The method includes: performing detection of two road lines of a lane in which the vehicle is driving from a driving image; determining whether at least one road line of the two road lines is not detected; if it is determined that the at least one road line is not detected, determining at least one road line for the at least one undetected road line based on first information about a drivable road area comprising the road; and controlling driving of the vehicle based on the at least one determined road line.Type: ApplicationFiled: July 29, 2019Publication date: February 27, 2020Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dae-hyun Ji, Won-ju Lee, Cheol-hun Jang, Do-kwan Oh, Yoon-suk Hyun
-
Patent number: 10542949Abstract: An X-ray apparatus performs image processing on an image of an object photographed by using a camera, and uses the image-processed image as an image marker in an X-ray image. A display is configured to display the X-ray image and the image marker on the region of the X-ray image.Type: GrantFiled: November 29, 2018Date of Patent: January 28, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Byeong-won Lee, Jeong-yong Song, Do-kwan Oh, Hyun-hwa Oh, Choong-hwan Choi
-
Publication number: 20190110768Abstract: An X-ray apparatus performs image processing on an image of an object photographed by using a camera, and uses the image-processed image as an image marker in an X-ray image. A display is configured to display the X-ray image and the image marker on the region of the X-ray image.Type: ApplicationFiled: November 29, 2018Publication date: April 18, 2019Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Byeong-won LEE, Jeong-yong SONG, Do-kwan OH, Hyun-hwa OH, Choong-hwan CHOI
-
Patent number: 10172578Abstract: An X-ray apparatus performs image processing on an image of an object photographed by using a camera, and uses the image-processed image as an image marker in an X-ray image. A display is configured to display the X-ray image and the image marker on the region of the X-ray image.Type: GrantFiled: July 25, 2016Date of Patent: January 8, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Byeong-won Lee, Jeong-yong Song, Do-kwan Oh, Hyun-hwa Oh, Choong-Hwan Choi
-
Publication number: 20180028138Abstract: A medical image processing apparatus includes a processor configured to acquire a first image and a second image captured by radiating an X ray to an object, generate a synthesis image by overlapping a first region of the first image with a second region of the second image, and determine matching accuracy representing a degree to which the first region and the second region match with each other; and a display configured to display the matching accuracy and the synthesis image. The medical image processing apparatus captures and synthesizes a plurality of images and display information of matching accuracy of the plurality of images. The medical image processing apparatus may provide a more accurate image by correcting a mismatched region of an overlapped region between the images.Type: ApplicationFiled: February 24, 2016Publication date: February 1, 2018Inventors: Do-kwan Oh, Byeong-won Lee, Choong-hwan Choi
-
Patent number: 9861329Abstract: An X-ray apparatus includes: a source configured to emit X-rays to an object; a detector configured to detect the X-rays that have penetrated the object; an arm configured to connect the source to the detector and move centering on a stand fixed to a bottom; a controller configured to control a movement of the arm so that the controller changes a direction of the X-rays, which are radiated to the object, and the arm rotates on the stand to move the detector in a first direction, to obtain images for a plurality of parts of the object; and an image processor configured to obtain the images for the plurality of parts of the object based on the X-rays detected by the detector.Type: GrantFiled: June 17, 2015Date of Patent: January 9, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seung-woo Shin, Jeong-hwan Kim, Do-kwan Oh, Dong-jae Lee, Sang-chul Lee
-
Patent number: 9649080Abstract: Disclosed herein are an X-ray imaging apparatus which recognizes a marker located at a part to be subjected to X-ray imaging from an image of a subject imaged by a camera and which controls a respective movement of each of an X-ray tube and an X-ray detector to a respective position which corresponds to the recognized marker, and a method for controlling the same. An X-ray imaging apparatus includes an X-ray tube which radiates X-rays toward a subject, an X-ray detector which detects X-rays which propagate through the subject, an imaging unit which generates an image of the subject, a recognizes which recognizes a part to be subjected to X-ray imaging from the image of the subject, and a position controller which controls a movement of the X-ray tube and the X-ray detector to a position corresponding to the part to be subjected to X-ray imaging.Type: GrantFiled: April 23, 2015Date of Patent: May 16, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Ho Seong Kwak, Choong Hwan Choi, Do Kwan Oh, Woo Sup Han
-
Publication number: 20170020469Abstract: An X-ray apparatus performs image processing on an image of an object photographed by using a camera, and uses the image-processed image as an image marker in an X-ray image. A display is configured to display the X-ray image and the image marker on the region of the X-ray image.Type: ApplicationFiled: July 25, 2016Publication date: January 26, 2017Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Byeong-won LEE, Jeong-yong SONG, Do-kwan OH, Hyun-hwa OH, Choong-Hwan CHOI
-
Patent number: 9547896Abstract: A method of and apparatus for changing lesion classification data, the method including determining whether at least one mass is included in an image of an object, determining whether the at least one mass corresponds to a lesion by using first data including at least one first information, selecting a false negative (FN) mass which has been determined as not corresponding to the lesion among the at least one mass, based on a first input, and changing the first data to second data by using second information of the selected FN mass.Type: GrantFiled: May 27, 2014Date of Patent: January 17, 2017Assignees: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Choong-hwan Choi, Yong-man Ro, Seong-ho Chang, Woo-sup Han, Seong-tae Kim, Min-cheol Park, Do-kwan Oh, Byeong-won Lee
-
Publication number: 20150282776Abstract: An X-ray apparatus includes: a source configured to emit X-rays to an object; a detector configured to detect the X-rays that have penetrated the object; an arm configured to connect the source to the detector and move centering on a stand fixed to a bottom; a controller configured to control a movement of the arm so that the controller changes a direction of the X-rays, which are radiated to the object, and the arm rotates on the stand to move the detector in a first direction, to obtain images for a plurality of parts of the object; and an image processor configured to obtain the images for the plurality of parts of the object based on the X-rays detected by the detector.Type: ApplicationFiled: June 17, 2015Publication date: October 8, 2015Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seung-woo SHIN, Jeong-hwan KIM, Do-kwan OH, Dong-jae LEE, Sang-chul LEE
-
Publication number: 20150223764Abstract: Disclosed herein are an X-ray imaging apparatus which recognizes a marker located at a part to be subjected to X-ray imaging from an image of a subject imaged by a camera and which controls a respective movement of each of an X-ray tube and an X-ray detector to a respective position which corresponds to the recognized marker, and a method for controlling the same. An X-ray imaging apparatus includes an X-ray tube which radiates X-rays toward a subject, an X-ray detector which detects X-rays which propagate through the subject, an imaging unit which generates an image of the subject, a recognizes which recognizes a part to be subjected to X-ray imaging from the image of the subject, and a position controller which controls a movement of the X-ray tube and the X-ray detector to a position corresponding to the part to be subjected to X-ray imaging.Type: ApplicationFiled: April 23, 2015Publication date: August 13, 2015Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Ho Seong KWAK, Choong Hwan CHOI, Do Kwan OH, Woo Sup HAN
-
Patent number: 9078620Abstract: An X-ray apparatus includes: a source for emitting X-rays to an object; a detector for detecting the X-rays penetrating the object; an arm for connecting the source to the detector and moving the detector up and down according to a rotation of the source; and a controller for controlling an imaging of the object by driving the arm.Type: GrantFiled: October 4, 2013Date of Patent: July 14, 2015Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seung-woo Shin, Jeong-hwan Kim, Do-kwan Oh, Dong-jae Lee, Sang-chul Lee
-
Patent number: 9028144Abstract: Disclosed herein are an X-ray imaging apparatus which recognizes a marker located at a part to be subjected to X-ray imaging from an image of a subject imaged by a camera and which controls a respective movement of each of an X-ray tube and an X-ray detector to a respective position which corresponds to the recognized marker, and a method for controlling the same. An X-ray imaging apparatus includes an X-ray tube which radiates X-rays toward a subject, an X-ray detector which detects X-rays which propagate through the subject, an imaging unit which generates an image of the subject, a recognizer which recognizes a part to be subjected to X-ray imaging from the image of the subject, and a position controller which controls a movement of the X-ray tube and the X-ray detector to a position corresponding to the part to be subjected to X-ray imaging.Type: GrantFiled: June 17, 2013Date of Patent: May 12, 2015Assignee: Samsung Electronics Co., Ltd.Inventors: Choong Hwan Choi, Do Kwan Oh, Woo Sup Han
-
Publication number: 20140348387Abstract: A method of and apparatus for changing lesion classification data, the method including determining whether at least one mass is included in an image of an object, determining whether the at least one mass corresponds to a lesion by using first data including at least one first information, selecting a false negative (FN) mass which has been determined as not corresponding to the lesion among the at least one mass, based on a first input, and changing the first data to second data by using second information of the selected FN mass.Type: ApplicationFiled: May 27, 2014Publication date: November 27, 2014Applicants: SAMSUNG ELECTRONICS CO., LTD., Korea Advanced Institute of Science and TechnologyInventors: Choong-hwan CHOI, Yong-man RO, Seong-ho CHANG, Woo-sup HAN, Seong-tae KIM, Min-cheol PARK, Do-kwan OH, Byeong-won LEE
-
Publication number: 20140153697Abstract: Disclosed herein are an X-ray imaging apparatus which recognizes a marker located at a part to be subjected to X-ray imaging from an image of a subject imaged by a camera and which controls a respective movement of each of an X-ray tube and an X-ray detector to a respective position which corresponds to the recognized marker, and a method for controlling the same. An X-ray imaging apparatus includes an X-ray tube which radiates X-rays toward a subject, an X-ray detector which detects X-rays which propagate through the subject, an imaging unit which generates an image of the subject, a recognizer which recognizes a part to be subjected to X-ray imaging from the image of the subject, and a position controller which controls a movement of the X-ray tube and the X-ray detector to a position corresponding to the part to be subjected to X-ray imaging.Type: ApplicationFiled: June 17, 2013Publication date: June 5, 2014Inventors: Choong Hwan CHOI, Do Kwan OH, Woo Sup HAN