Patents by Inventor Jiho Choi

Jiho 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).

  • Publication number: 20240103543
    Abstract: A robot is provided. The robot includes a camera, a driving unit, and a processor. The robot is configured to, if a plurality of users included in one group are identified in an image captured via the camera, acquire profile information of each of the plurality of users, based on the profile information, acquire group feature information including group type information of the group, priority information of the plurality of users, and preferred waypoint information of the one group, and control the driving unit to perform a route guidance function based on the group feature information and destination information.
    Type: Application
    Filed: December 7, 2023
    Publication date: March 28, 2024
    Inventors: Jungsoo RYU, Jongmyeong KO, Koeun CHOI, Jiho CHU
  • Publication number: 20240106103
    Abstract: An electronic device is provided. The electronic device includes a housing including a lateral member including a first side surface, a second side surface, and a third side surface, a first conductive portion segmented through a first segmentation portion, a substrate including a ground, and a wireless communication circuit disposed on the substrate, the first conductive portion includes a first power feed unit, a second power feed unit, a first ground part, and a second ground part.
    Type: Application
    Filed: October 24, 2023
    Publication date: March 28, 2024
    Inventors: Gyusub KIM, Jiho KIM, Kyungmoon SEOL, Seongyong AN, Minkyung LEE, Kyihyun JANG, Myunghun JEONG, Nakchung CHOI
  • Publication number: 20240087358
    Abstract: A processor-implemented method includes generating a preprocessed infrared (IR) image by performing first preprocessing based on an IR image including an object; generating a preprocessed depth image by performing second preprocessing based on a depth image including the object; and determining whether the object is a genuine object based on the preprocessed IR image and the preprocessed depth image
    Type: Application
    Filed: November 21, 2023
    Publication date: March 14, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Youngjun KWAK, Minsu KO, Youngsung KIM, Heewon KIM, Ju Hwan SONG, Byung In YOO, Seon Min RHEE, Yong-il LEE, Jiho CHOI, Seungju HAN
  • Patent number: 11869272
    Abstract: A processor-implemented method includes: generating a preprocessed infrared (IR) image by performing first preprocessing based on an IR image including an object; generating a preprocessed depth image by performing second preprocessing based on a depth image including the object; and determining whether the object is a genuine object based on the preprocessed IR image and the preprocessed depth image.
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: January 9, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Youngjun Kwak, Minsu Ko, Youngsung Kim, Heewon Kim, Ju Hwan Song, Byung In Yoo, Seon Min Rhee, Yong-il Lee, Jiho Choi, Seungju Han
  • Patent number: 11836235
    Abstract: Disclosed is a method and apparatus for testing a liveness, where the liveness test method includes receiving a color image and a photodiode (PD) image of an object from an image sensor comprising a pixel formed of a plurality of PDs, preprocessing the color image and the PD image, and determining a liveness of the object by inputting a result of preprocessing the color image and a result of preprocessing the PD image into a neural network.
    Type: Grant
    Filed: November 21, 2022
    Date of Patent: December 5, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hana Lee, Youngjun Kwak, Sungheon Park, Hyeongwook Yang, Byung In Yoo, Juwoan Yoo, Solae Lee, Yong-Il Lee, Jiho Choi
  • Publication number: 20230306791
    Abstract: A processor-implemented method with liveness detection includes: receiving a plurality of phase images of different phases; generating a plurality of preprocessed phase images by performing preprocessing, including edge enhancement processing, on the plurality of phase images of different phases; generating a plurality of differential images based on the preprocessed phase images; generating a plurality of low-resolution differential images having lower resolutions than the differential images, based on the differential images; generating a minimum map image based on the low-resolution differential images; and performing a liveness detection on an object in the phase images based on the minimum map image.
    Type: Application
    Filed: May 16, 2023
    Publication date: September 28, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Solae LEE, Youngjun KWAK, Sungheon PARK, Byung In YOO, Yong-Il LEE, Hana LEE, Jiho CHOI, Jaejoon HAN
  • Publication number: 20230283876
    Abstract: A device and method with object recognition is included. In one general aspect, an electronic device includes a camera sensor configured to capture a first image of a scene, the camera sensor is configured to perform at least one type of physical camera motion relative to the electronic device, the at least one type of physical camera motion includes rolling, panning, tilting, or zooming the camera sensor relative to the electronic device, and a processor configured to control the camera sensor to perform a physical motion of the physical camera motion type based on detecting an object in the first image, acquire a second image captured using the camera sensor as adjusted based on the performed physical motion, and recognize the object in the second image.
    Type: Application
    Filed: October 3, 2022
    Publication date: September 7, 2023
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Byung In YOO, Youngjun KWAK, Sungyoul PARK, Solae LEE, Hana LEE, Jiho CHOI
  • Publication number: 20230215219
    Abstract: A liveness test method includes detecting a face region in an input image; generating, based on the detected face region, weight map data related to a face location in the input image; generating concatenated data by concatenating the weight map data with feature data generated from an intermediate layer of a liveness test model or image data of the input image; and generating a liveness test result based on a liveness score generated by the liveness test model provided with the concatenated data.
    Type: Application
    Filed: July 13, 2022
    Publication date: July 6, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: SOLAE LEE, YOUNGJUN KWAK, BYUNG IN YOO, HANA LEE, JIHO CHOI
  • Patent number: 11694480
    Abstract: A processor-implemented method with liveness detection includes: receiving a plurality of phase images of different phases; generating a plurality of preprocessed phase images by performing preprocessing, including edge enhancement processing, on the plurality of phase images of different phases; generating a plurality of differential images based on the preprocessed phase images; generating a plurality of low-resolution differential images having lower resolutions than the differential images, based on the differential images; generating a minimum map image based on the low-resolution differential images; and performing a liveness detection on an object in the phase images based on the minimum map image.
    Type: Grant
    Filed: May 6, 2021
    Date of Patent: July 4, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Solae Lee, Youngjun Kwak, Sungheon Park, Byung In Yoo, Yong-Il Lee, Hana Lee, Jiho Choi, Jaejoon Han
  • Publication number: 20230112452
    Abstract: Disclosed is a method and apparatus for testing a liveness, where the liveness test method includes receiving a color image and a photodiode (PD) image of an object from an image sensor comprising a pixel formed of a plurality of PDs, preprocessing the color image and the PD image, and determining a liveness of the object by inputting a result of preprocessing the color image and a result of preprocessing the PD image into a neural network.
    Type: Application
    Filed: November 21, 2022
    Publication date: April 13, 2023
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hana LEE, Youngjun KWAK, Sungheon PARK, Hyeongwook YANG, Byung In YOO, Juwoan YOO, Solae LEE, Yong-Il LEE, Jiho CHOI
  • Patent number: 11508188
    Abstract: Disclosed is a method and apparatus for testing a liveness, where the liveness test method includes receiving a color image and a photodiode (PD) image of an object from an image sensor comprising a pixel formed of a plurality of PDs, preprocessing the color image and the PD image, and determining a liveness of the object by inputting a result of preprocessing the color image and a result of preprocessing the PD image into a neural network.
    Type: Grant
    Filed: September 16, 2020
    Date of Patent: November 22, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hana Lee, Youngjun Kwak, Sungheon Park, Hyeongwook Yang, Byung In Yoo, Juwoan Yoo, Solae Lee, Yong-Il Lee, Jiho Choi
  • Patent number: 11354535
    Abstract: A method with image recognition includes: extracting, using a feature extraction layer, feature data from an input image received by an image sensor; and outputting a recognition result of an object appearing in the input image, by applying a fixed mask and a variable mask to the extracted feature data, wherein the variable mask is adjusted in response to the extracted feature data.
    Type: Grant
    Filed: April 23, 2020
    Date of Patent: June 7, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jiho Choi, Solae Lee, Hana Lee, Youngjun Kwak, Byung In Yoo, Yong-Il Lee
  • Publication number: 20220130176
    Abstract: A method and apparatus for detecting a liveness based on a phase difference are provided. The method includes generating a first phase image based on first visual information of a first phase, generating a second phase image based on second visual information of a second phase, generating a minimum map based on a disparity between the first phase image and the second phase image, and detecting a liveness based on the minimum map.
    Type: Application
    Filed: January 7, 2022
    Publication date: April 28, 2022
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Solae LEE, Youngjun KWAK, Sungheon PARK, Byung In YOO, Yong-Il LEE, Hana LEE, Jiho CHOI
  • Publication number: 20220130175
    Abstract: A method and apparatus for detecting a liveness based on a phase difference are provided. The method includes generating a first phase image based on first visual information of a first phase, generating a second phase image based on second visual information of a second phase, generating a minimum map based on a disparity between the first phase image and the second phase image, and detecting a liveness based on the minimum map.
    Type: Application
    Filed: January 7, 2022
    Publication date: April 28, 2022
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Solae LEE, Youngjun KWAK, Sungheon PARK, Byung In YOO, Yong-Il LEE, Hana LEE, Jiho CHOI
  • Patent number: 11285796
    Abstract: A vehicle body structure for a vehicle having a battery and a rear seat includes a battery mounting portion provided on a floor in the rear of the rear seat and on which the battery is mounted, a cross member configured to reinforce the floor in the front of the battery mounting portion, a lower reinforcement portion configured to reinforce the floor below the battery mounting portion and to be supported on the cross member and both side members, and an upper fixing portion fastened to the lower reinforcement portion in a state of fixing the battery. The vehicle body structure is configured to protect the battery by absorbing and distributing the load from a collision, and effectively utilize the space of the rear side of the vehicle for installing the battery with the rear seat, etc.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: March 29, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventor: Jiho Choi
  • Patent number: 11244181
    Abstract: A method and apparatus for detecting a liveness based on a phase difference are provided. The method includes generating a first phase image based on first visual information of a first phase, generating a second phase image based on second visual information of a second phase, generating a minimum map based on a disparity between the first phase image and the second phase image, and detecting a liveness based on the minimum map.
    Type: Grant
    Filed: September 10, 2020
    Date of Patent: February 8, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Solae Lee, Youngjun Kwak, Sungheon Park, Byung In Yoo, Yong-Il Lee, Hana Lee, Jiho Choi
  • Publication number: 20220027649
    Abstract: A processor-implemented method with liveness detection includes: receiving a plurality of phase images of different phases; generating a plurality of preprocessed phase images by performing preprocessing, including edge enhancement processing, on the plurality of phase images of different phases; generating a plurality of differential images based on the preprocessed phase images; generating a plurality of low-resolution differential images having lower resolutions than the differential images, based on the differential images; generating a minimum map image based on the low-resolution differential images; and performing a liveness detection on an object in the phase images based on the minimum map image.
    Type: Application
    Filed: May 6, 2021
    Publication date: January 27, 2022
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Solae LEE, Youngjun KWAK, Sungheon PARK, Byung In YOO, Yong-Il LEE, Hana LEE, Jiho CHOI, Jaejoon HAN
  • Publication number: 20210397819
    Abstract: Disclosed is an object recognition method and object recognition apparatus. The object recognition method may include detecting an object region comprising an object in an input image, determining scores corresponding to regions of the object region, determining weights based on the scores and detection information of the object region, determining a final score based on the scores and the determined weights, and determining a result of recognizing the object based on the final score.
    Type: Application
    Filed: November 30, 2020
    Publication date: December 23, 2021
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sungheon PARK, Youngjun KWAK, Byungin YOO, Solae LEE, Yong-Il LEE, Hana LEE, Jiho CHOI
  • Publication number: 20210326616
    Abstract: Disclosed is a method and apparatus for testing a liveness, where the liveness test method includes receiving a color image and a photodiode (PD) image of an object from an image sensor comprising a pixel formed of a plurality of PDs, preprocessing the color image and the PD image, and determining a liveness of the object by inputting a result of preprocessing the color image and a result of preprocessing the PD image into a neural network.
    Type: Application
    Filed: September 16, 2020
    Publication date: October 21, 2021
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hana LEE, Youngjun KWAK, Sungheon PARK, Hyeongwook YANG, Byung In YOO, Juwoan YOO, Solae LEE, Yong-Il LEE, Jiho CHOI
  • Publication number: 20210264182
    Abstract: A method and apparatus for detecting a liveness based on a phase difference are provided. The method includes generating a first phase image based on first visual information of a first phase, generating a second phase image based on second visual information of a second phase, generating a minimum map based on a disparity between the first phase image and the second phase image, and detecting a liveness based on the minimum map.
    Type: Application
    Filed: September 10, 2020
    Publication date: August 26, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Solae LEE, Youngjun KWAK, Sungheon PARK, Byung In YOO, Yong-Il LEE, Hana LEE, Jiho CHOI