公开(公告)号：US20210143919A1

公开(公告)日：2021-05-13

申请号：US15930834

申请日：2020-05-13

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jong-Sok KIM ,  Byung Kwan KIM ,  Sungdo CHOI

IPC: H04B17/21 ,  H04B17/318 ,  H04B7/08 ,  H04W16/28 ,  H04W52/24 ,  H04W68/00 ,  H01Q3/24 ,  H01Q1/24 ,  H01Q21/28

Abstract: Disclosed are obstacle detecting methods and apparatuses, the method of detecting an obstacle near a device includes, determining whether to detect an obstacle, detecting the obstacle using communication modules, in response to determining to detect the obstacle, determining whether a result of detecting the obstacle meets a threshold, detecting the obstacle using antennas of a communication module corresponding to a direction of the obstacle from among the communication modules, in response to the result of determining the obstacle meeting the threshold, and outputting a warning signal based on the result of detecting the obstacle using the communication modules or a result of detecting the obstacle using the antennas.

公开(公告)号：US20240125925A1

公开(公告)日：2024-04-18

申请号：US18321351

申请日：2023-05-22

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sungdo CHOI ,  Seung Tae KHANG ,  Jong-Sok KIM ,  Jinyong JEON ,  Young Rae CHO

IPC: G01S13/931 ,  G01S7/35 ,  G01S13/42 ,  G01S13/58

CPC classification number: G01S13/931 ,  G01S7/356 ,  G01S13/42 ,  G01S13/584

Abstract: A method of predicting a movement of a cut-in object, including separating a Doppler velocity corresponding to at least one wheel of the cut-in object from radar data based on a velocity of the cut-in object, determining a position of the at least one wheel of the cut-in object based on the Doppler velocity, generating at least one of first movement information related to a horizontal movement of the cut-in object or second movement information related to a moving direction of the cut-in object based on the position of the at least one wheel, and determining a position of the cut-in object based on at least one of the first movement information or the second movement information.

公开(公告)号：US20220155411A1

公开(公告)日：2022-05-19

申请号：US17331074

申请日：2021-05-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sungdo CHOI ,  Jong-Sok KIM ,  Young Rae CHO

IPC: G01S7/35 ,  G01S13/58 ,  G01S13/931 ,  G01S13/536

Abstract: A radar signal processing method includes: extracting a first chirp sequence signal of a first carrier frequency and a second chirp sequence signal of a second carrier frequency from a radar signal received through an array antenna in a radar sensor; generating a first range-Doppler map by performing frequency conversion on the first chirp sequence signal; detecting a first target cell corresponding to a first target in the first range-Doppler map; determining a first ambiguous Doppler velocity of the first target based on first frequency information of the first target cell; determining a first range of an unambiguously measurable Doppler velocity through the first chirp sequence signal; estimating second ambiguous Doppler velocities based on the first ambiguous Doppler velocity and the first range; and determining a Doppler velocity of the first target by performing partial frequency conversion on the second chirp sequence signal based on the second ambiguous Doppler velocities.

公开(公告)号：US20210086754A1

公开(公告)日：2021-03-25

申请号：US16990206

申请日：2020-08-11

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jong-Sok KIM ,  Byung Kwan KIM ,  Woosuk KIM ,  Min Sung EO ,  Hyunwoong CHO ,  Sungdo CHOI

IPC: B60W30/02 ,  G06F3/01 ,  G01S13/89 ,  B60W40/08

Abstract: A control apparatus includes a Wi-Fi communication module, a processor, a controller that controls a component of a vehicle, and a memory, wherein the memory stores at least one piece of position information corresponding to a position in the vehicle, and at least one registered pattern of a gesture, face, or shape, the Wi-Fi communication module transmits a transmission signal to the position corresponding to the at least one piece of position information by a Wi-Fi communication method at a preset frequency and receives a reflection signal reflected from an object in response to the transmission signal, the processor acquires an input pattern of a gesture, face, or shape of the object by analyzing the reflection signal, and retrieves a registered pattern matching the input pattern from the at least one registered pattern, and the controller controls the component according to an instruction corresponding to the retrieved registered pattern.

公开(公告)号：US20250076456A1

公开(公告)日：2025-03-06

申请号：US18737686

申请日：2024-06-07

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jong-Sok KIM ,  Seung Tae KHANG

IPC: G01S7/35 ,  G01S13/931

Abstract: A processor-implemented method includes receiving at least one information comprising either one or both of control information of a vehicle and environment information of the vehicle; determining a driving situation of the vehicle, based on the at least one information; changing control parameters for changing a waveform of radar sensors of a sensing system, based on the determined driving situation of the vehicle, wherein the control parameters comprise an operation mode comprising a chirp mode of the radar sensors and comprise sensor parameters of the radar sensors; and transmitting the changed control parameters to the sensing system in real time.

公开(公告)号：US20240361768A1

公开(公告)日：2024-10-31

申请号：US18765723

申请日：2024-07-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyunwoong CHO ,  Woosuk KIM ,  Jong-Sok KIM

IPC: G05D1/00 ,  B60W10/04 ,  B60W10/20

CPC classification number: G05D1/0257 ,  B60W10/04 ,  B60W10/20 ,  B60W2420/408 ,  B60W2710/20 ,  B60W2720/10 ,  B60W2720/106 ,  B60W2720/12 ,  B60W2720/125

Abstract: A processor-implemented method of performing an operation using a complex-valued attention network includes: extracting a complex-valued attention weight from complex-valued input data; and determining complex-valued attention data by applying the extracted complex-valued attention weight to the complex-valued input data.

公开(公告)号：US20210181305A1

公开(公告)日：2021-06-17

申请号：US16924544

申请日：2020-07-09

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seungju HAN ,  Byung Kwan KIM ,  Jong-Sok KIM ,  Sungdo CHOI

IPC: G01S7/41 ,  G01S13/86 ,  G01S13/04 ,  G01S7/02 ,  G06K9/00

Abstract: Disclosed is a liveness test method and liveness test apparatus. The liveness test method includes determining a presence of a subject using a radar sensor, performing a first liveness test on the subject based on radar data obtained by the radar sensor, in response to the subject being present, acquiring image data of the subject using an image sensor, in response to a result of the first liveness test satisfying a first condition, and performing a second liveness test on the subject based on the image data.

公开(公告)号：US20240125923A1

公开(公告)日：2024-04-18

申请号：US18183881

申请日：2023-03-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jong-Sok KIM ,  Sungdo CHOI ,  Seung Tae KHANG ,  Jinyong JEON ,  Young Rae CHO

IPC: G01S13/931 ,  G06V10/82 ,  G06V20/58

CPC classification number: G01S13/931 ,  G06V10/82 ,  G06V20/58

Abstract: A method and device for object recognition for information collected from a sensor of a moving object are disclosed. The method may include identifying a target with a confidence level of recognition accuracy less than a threshold, based on first sensing information collected from a moving object, obtaining second sensing information on the target from an interworking moving object, synchronizing the first sensing information and the second sensing information based on time information included in the first sensing information and time information included in the second sensing information, and training a neural network for estimating recognition information of the target from the first synchronized sensing information by using information on the target included in the second synchronized sensing information as ground truth data.

公开(公告)号：US20240053435A1

公开(公告)日：2024-02-15

申请号：US18496145

申请日：2023-10-27

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sungdo CHOI ,  Jong-Sok KIM ,  Young Rae CHO

IPC: G01S7/35 ,  G01S13/536 ,  G01S13/931 ,  G01S13/58

CPC classification number: G01S7/354 ,  G01S7/356 ,  G01S13/536 ,  G01S13/931 ,  G01S13/584

Abstract: A radar signal processing method includes: extracting a first chirp sequence signal of a first carrier frequency and a second chirp sequence signal of a second carrier frequency from a radar signal received through an array antenna in a radar sensor; generating a first range-Doppler map by performing frequency conversion on the first chirp sequence signal; detecting a first target cell corresponding to a first target in the first range-Doppler map; determining a first ambiguous Doppler velocity of the first target based on first frequency information of the first target cell; determining a first range of an unambiguously measurable Doppler velocity through the first chirp sequence signal; estimating second ambiguous Doppler velocities based on the first ambiguous Doppler velocity and the first range; and determining a Doppler velocity of the first target by performing partial frequency conversion on the second chirp sequence signal based on the second ambiguous Doppler velocities.

公开(公告)号：US20230055599A1

公开(公告)日：2023-02-23

申请号：US17981618

申请日：2022-11-07

Applicant: Samsung Electronics Co., Ltd.

Inventor： Artem Yurievich NIKISHOV ,  Byung Kwan KIM ,  Gennadiy Aleksandrovich EVTYUSHKIN ,  Jong-Sok KIM

IPC: H01Q25/00 ,  H01Q21/08 ,  H01Q1/32 ,  G01S13/931 ,  G01S7/03

Abstract: An antenna array apparatus includes: first antenna elements arranged to form a first radiation pattern with a recessed portion at the center of the first radiation pattern; and second antenna elements arranged to form a second radiation pattern with a convex portion at the center of the second radiation pattern.