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No. Publication Number Title Publication/Patent Number Publication/Patent Number Publication Date Publication Date
Application Number Application Number Filing Date Filing Date
Inventor Inventor Assignee Assignee IPC IPC
1 US10760906B2
Apparatus and method for obtaining three-dimensional depth image
Publication/Patent Number: US10760906B2 Publication Date: 2020-09-01 Application Number: 15/081,407 Filing Date: 2016-03-25 Inventor: You, Jangwoo   Park, Yonghwa   Yoon heesun   Jeon, Myungjae   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: G01C3/08 Abstract: An apparatus and method for obtaining a depth image are provided. The apparatus may include a light source configured to emit first light to a first region of an object for a first time period and emit second light to a second region of the object for a second time period, the first light and the second light respectively being reflected from the first region and the second region; and an image obtainer configured to obtain a first partial depth image based on the reflected first light, obtain a second partial depth image based on the reflected second light, and obtain a first depth image of the object based on the first partial depth image and the second partial depth image.
2 US10670397B2
Distance measuring device and method of measuring distance by using the same
Publication/Patent Number: US10670397B2 Publication Date: 2020-06-02 Application Number: 15/821,071 Filing Date: 2017-11-22 Inventor: Otsuka, Tatsuhiro   Kim, Jungwoo   Yoon heesun   Hwang, Inoh   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: G01V8/00 Abstract: Provided is a distance measuring device and a method of measuring a distance. The distance measuring device detects light reflected by an object, generates an electrical signal based on the detected light, detects whether the electrical signal is saturated or not by comparing the electrical signal with a reference value, controls a magnitude of the electrical signal based on whether the signal is saturated, and calculates a distance to the object using the electrical signal.
3 EP3007359B1
SHUTTER DRIVER
Publication/Patent Number: EP3007359B1 Publication Date: 2020-09-09 Application Number: 15177276.1 Filing Date: 2015-07-17 Inventor: Jeon, Myungjae   Park, Yonghwa   You, Jangwoo   Yoon heesun   Assignee: Samsung Electronics Co., Ltd.   IPC: H04N13/296
4 US10746878B2
Method of measuring distance by using 3D depth sensor including optical shutter
Publication/Patent Number: US10746878B2 Publication Date: 2020-08-18 Application Number: 15/076,947 Filing Date: 2016-03-22 Inventor: Yoon heesun   You, Jangwoo   Park, Yonghwa   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: G01C3/08 Abstract: A method of measuring a distance by using a 3-dimensional (3D) depth sensor is provided. The method may include: measuring m number of frames using light modulated at a first frequency to determine a first tentative distance from a viewpoint to an object at the first frequency, m being a positive integer; measuring n number of frames using light modulated at a second frequency to determine a second tentative distance from the viewpoint to the object at the second frequency, n being a positive integer, a sum of m and n being four; and determining a resulting distance to the object based on the first distance and the second distance.
5 US10802119B2
Lidar device and method of measuring distance using the same
Publication/Patent Number: US10802119B2 Publication Date: 2020-10-13 Application Number: 15/386,565 Filing Date: 2016-12-21 Inventor: Yoon heesun   Kim, Jungwoo   Otsuka, Tatsuhiro   Hwang, Inoh   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: G01S7/48 Abstract: A lidar device includes a light source configured to emit a laser pulse to an object, a light receiver configured to receive the laser pulse reflected by the object, a first periodic wave generator configured to generate a first periodic wave when the light source emits the laser pulse and generate a second periodic wave when the light source receives the laser pulse, and a first comparator configured to compare a phase of the first periodic wave and a phase of the second periodic wave to each other. The lidar device calculates a distance between the lidar device and the object based on a phase difference determined by the first comparator.
6 US2020256675A1
DISTANCE MEASURING DEVICE AND METHOD OF MEASURING DISTANCE BY USING THE SAME
Publication/Patent Number: US2020256675A1 Publication Date: 2020-08-13 Application Number: 16/860,811 Filing Date: 2020-04-28 Inventor: Otsuka, Tatsuhiro   Kim, Jungwoo   Yoon heesun   Hwang, Inoh   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: G01C15/00 Abstract: Provided is a distance measuring device and a method of measuring a distance. The distance measuring device detects light reflected by an object, generates an electrical signal based on the detected light, detects whether the electrical signal is saturated or not by comparing the electrical signal with a reference value, controls a magnitude of the electrical signal based on whether the signal is saturated, and calculates a distance to the object using the electrical signal.
7 EP3293698B1
TIME-OF-FLIGHT MEASURING APPARATUS AND IMAGE PROCESSING METHOD FOR REDUCING BLUR OF DEPTH IMAGE THEREIN
Publication/Patent Number: EP3293698B1 Publication Date: 2020-07-29 Application Number: 17157312.4 Filing Date: 2017-02-22 Inventor: Kwon, Namseop   Na, Byunghoon   Park, Yonghwa   You, Jangwoo   Yoon heesun   Assignee: Samsung Electronics Co., Ltd.   IPC: G06T5/00
8 US10529060B2
Time-of-flight measuring apparatus and image processing method for reducing blur of depth image therein
Publication/Patent Number: US10529060B2 Publication Date: 2020-01-07 Application Number: 15/690,972 Filing Date: 2017-08-30 Inventor: Kwon, Namseop   Na, Byunghoon   Park, Yonghwa   You, Jangwoo   Yoon heesun   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: G06T5/00 Abstract: A time of flight (ToF) measuring apparatus and an image processing method for reducing blur of a depth image in the ToF measuring apparatus are provided. The apparatus senses infrared (IR) light reflected by a subject and incident via an optical shutter, models a spread characteristic of the IR light based on an intensity distribution of the sensed IR light, and acquires a sharpening filter by using the modeled spread characteristic.
9 US2019219675A1
LIDAR SYSTEM AND METHOD OF DRIVING THE SAME
Publication/Patent Number: US2019219675A1 Publication Date: 2019-07-18 Application Number: 16/034,033 Filing Date: 2018-07-12 Inventor: Yoon heesun   Hwang, Inoh   Otsuka, Tatsuhiro   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: G01S7/481 Abstract: Provided is a light detection and ranging (LiDAR) system including: a light source; a beam steering device configured to steer light emitted from the light source toward an object; a light detector configured to detect light reflected from the object; and a processor. The beam steering device may include an optical phased array, including a plurality of channels, and a signal input unit which applies a plurality of driving signals to the plurality of channels. The processor is configured to perform an optimization operation including analyzing the light detected by the light detector, calculating at least one correction value, and controlling the plurality of driving signals according to the at least one correction value, in order to correct an error of the beam steering device.
10 US201911256A1
DISTANCE MEASURING DEVICE AND METHOD OF MEASURING DISTANCE BY USING THE SAME
Publication/Patent Number: US201911256A1 Publication Date: 2019-01-10 Application Number: 20/171,582 Filing Date: 2017-11-22 Inventor: Otsuka, Tatsuhiro   Kim, Jungwoo   Yoon heesun   Hwang, Inoh   Assignee: Samsung Electronics Co., Ltd.   IPC: G01C15/00 Abstract: Provided is a distance measuring device and a method of measuring a distance. The distance measuring device detects light reflected by an object, generates an electrical signal based on the detected light, detects whether the electrical signal is saturated or not by comparing the electrical signal with a reference value, controls a magnitude of the electrical signal based on whether the signal is saturated, and calculates a distance to the object using the electrical signal.
11 US10511826B2
3D image sensor module and electronic apparatus including the same
Publication/Patent Number: US10511826B2 Publication Date: 2019-12-17 Application Number: 15/883,437 Filing Date: 2018-01-30 Inventor: Jeon, Myungjae   Park, Yonghwa   You, Jangwoo   Yoon heesun   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: G01C3/08 Abstract: A three-dimensional (3D) image sensor device and an electronic apparatus including the 3D image sensor device are provided. The 3D image sensor device includes: a shutter driver that generates a driving voltage of a sine wave biased with a first bias voltage, from a loss-compensated recycling energy; an optical shutter that varies transmittance of reflective light reflected from a subject, according to the driving voltage, and modulates the reflective light to generate at least two optical modulation signals having different phases; and an image generator that generates 3D image data for the subject which includes depth information calculated based on a phase difference between the at least two optical modulation signals.
12 EP3021138B1
DEPTH SENSING METHOD AND 3D IMAGE SENSOR
Publication/Patent Number: EP3021138B1 Publication Date: 2019-06-19 Application Number: 15177283.7 Filing Date: 2015-07-17 Inventor: Jeon, Myungjae   Park, Yonghwa   You, Jangwoo   Yoon heesun   Assignee: Samsung Electronics Co., Ltd.   IPC: H04N13/20
13 US201979166A1
LIDAR APPARATUS AND OPERATING METHOD THEREOF
Publication/Patent Number: US201979166A1 Publication Date: 2019-03-14 Application Number: 20/181,602 Filing Date: 2018-06-29 Inventor: Otsuka, Tatsuhiro   Kim, Jungwoo   Yoon heesun   Hwang, Inoh   Assignee: Samsung Electronics Co., Ltd.   IPC: G01S7/493 Abstract: Provided are a method of identifying light reflected from an object, from among light incident from a plurality of different directions, based on information about an irradiation angle of light irradiated by a light source, and a light detection and ranging (LiDAR) apparatus therefor.
14 US10401969B2
Apparatus and method of recognizing movement of subject
Publication/Patent Number: US10401969B2 Publication Date: 2019-09-03 Application Number: 15/824,163 Filing Date: 2017-11-28 Inventor: Yoon heesun   You, Jangwoo   Jeon, Myungjae   Park, Yonghwa   Assignee: Samsung Electronics Co., Ltd.   IPC: G06F3/01 Abstract: Provided is an apparatus and method of recognizing a movement of a subject. The apparatus includes a light source configured to emit light to the subject and an image sensor configured to receive light reflected from the subject. The apparatus includes a processor configured to detect a pixel that is receiving the reflected light, the pixel being included in a pixel array of the image sensor. The processor is configured to track the movement of the subject based on a change in a position of the detected pixel.
15 US2019079166A1
LIDAR APPARATUS AND OPERATING METHOD THEREOF
Publication/Patent Number: US2019079166A1 Publication Date: 2019-03-14 Application Number: 16/023,681 Filing Date: 2018-06-29 Inventor: Kim, Jungwoo   Otsuka, Tatsuhiro   Yoon heesun   Hwang, Inoh   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: G01S7/487 Abstract: Provided are a method of identifying light reflected from an object, from among light incident from a plurality of different directions, based on information about an irradiation angle of light irradiated by a light source, and a light detection and ranging (LiDAR) apparatus therefor.
16 US2019353788A1
DISTANCE MEASURING DEVICE AND METHOD
Publication/Patent Number: US2019353788A1 Publication Date: 2019-11-21 Application Number: 16/385,243 Filing Date: 2019-04-16 Inventor: Otsuka, Tatsuhiro   Kim, Jungwoo   Yoon heesun   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: G01S17/10 Abstract: Provided is a distance measuring method and device for selecting an optimum peak detection signal from among a plurality of peak detection signals, based on a level of at least one of a plurality of amplified electrical signals, and measuring a distance to an object by using the selected optimum peak detection signal.
17 EP3570067A1
DISTANCE MEASURING DEVICE AND METHOD
Publication/Patent Number: EP3570067A1 Publication Date: 2019-11-20 Application Number: 19172381.6 Filing Date: 2019-05-02 Inventor: Otsuka, Tatsuhiro   Kim, Jungwoo   Yoon heesun   Assignee: Samsung Electronics Co., Ltd.   IPC: G01S7/486 Abstract: Provided is a distance measuring method and device for selecting an optimum peak detection signal from among a plurality of peak detection signals, based on a level of at least one of a plurality of amplified electrical signals, and measuring a distance to an object by using the selected optimum peak detection signal.
18 US201964356A1
LiDAR DEVICE AND METHOD OF OPERATING THE SAME
Publication/Patent Number: US201964356A1 Publication Date: 2019-02-28 Application Number: 20/181,587 Filing Date: 2018-01-12 Inventor: Otsuka, Tatsuhiro   Kim, Jungwoo   Yoon heesun   Hwang, Inoh   Assignee: Samsung Electronics Co., Ltd.   IPC: G01S17/10 Abstract: Provided are a LiDAR device and a method of operating the LiDAR device. The LiDAR device includes a light-emitting unit configured to emit modulated light onto an object, a light-receiving unit configured to receive the modulated light reflected by the object, a computation unit configured to calculate a distance to the object based on a reception signal of the modulated light provided by the light-receiving unit, a modulation unit configured to provide a modulation signal to the light-emitting unit to generate the modulated light, and a controller configured to control operations of at least one of the light-emitting unit, the light-receiving unit, the computation unit, and the modulation unit.
19 US10356380B2
Apparatus and method for acquiring depth information
Publication/Patent Number: US10356380B2 Publication Date: 2019-07-16 Application Number: 15/140,716 Filing Date: 2016-04-28 Inventor: You, Jangwoo   Park, Yonghwa   Yoon heesun   Jeon, Myungjae   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: H04N13/00 Abstract: An apparatus and a method for acquiring depth information are disclosed. To acquire depth information, illumination light of which an amount of light has been modulated by a modulation signal is emitted towards a subject, and an image is captured using an image sensor. An image signal is sequentially acquired from a plurality of rows while shifting a phase of the illumination light at a start exposure time of a row belonging to an intermediate region of a pixel array region of the image sensor. Depth information is calculated from image signals acquired during a plurality of frames while shifting a phase of the modulation signal.
20 US2019011256A1
DISTANCE MEASURING DEVICE AND METHOD OF MEASURING DISTANCE BY USING THE SAME
Publication/Patent Number: US2019011256A1 Publication Date: 2019-01-10 Application Number: 15/821,071 Filing Date: 2017-11-22 Inventor: Otsuka, Tatsuhiro   Kim, Jungwoo   Yoon heesun   Hwang, Inoh   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: G01C15/00 Abstract: Provided is a distance measuring device and a method of measuring a distance. The distance measuring device detects light reflected by an object, generates an electrical signal based on the detected light, detects whether the electrical signal is saturated or not by comparing the electrical signal with a reference value, controls a magnitude of the electrical signal based on whether the signal is saturated, and calculates a distance to the object using the electrical signal.