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公开(公告)号：US11846500B2
公开(公告)日：2023-12-19
申请号：US17309033
申请日：2019-10-28
Applicant: Samsung Electronics Co., Ltd.
Inventor： Kostiantyn Morozov , Oleksandr Klimenkov , Dmytro Vavdiiuk , Ivan Safonov , Andrii But , Andrii Sukhariev , Ruslan Iermolenko , Serhii Iliukhin , Yaroslav Lavrenyuk
Abstract: A three-dimensional depth measuring method using a structured light camera comprising a first projector, a second projector, and an optical sensor, according to the present disclosure, comprises: a step in which a first light pattern is projected by the first projector; a step in which a second light pattern is projected by the second projector; a step of filtering, by a color filter, a third light pattern in which the first light pattern and the second light pattern reflected from an object overlap, so as to separate the third light pattern into a first filtered pattern and a second filtered pattern; a step of localizing the first filtered pattern and classifying first feature points of the first filtered pattern; a step of localizing the second filtered pattern and classifying second feature points of the second filtered pattern; and a step of obtaining position information of the object on the basis of the first feature points and the second feature points.
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公开(公告)号：US11610323B2
公开(公告)日：2023-03-21
申请号：US17269225
申请日：2019-07-01
Applicant: Samsung Electronics Co., Ltd.
Inventor： Kostiantyn Morozov , Dmytro Korba , Ruslan Iermolenko , Andrii Sukhariev , Serhii Iliukhin , Andrii But , Ivan Safonov , Yaroslav Lavrenyuk , Oleksandr Klimenkov , Dmytro Vavdiiuk
Abstract: A synchronization method of a first depth sensing apparatus includes: transmitting a first optical signal to measure a distance to an object; receiving the first optical signal reflected by the object; when recognition of the received first optical signal fails, stopping transmission of the first optical signal and generating first synchronization information for synchronization with at least one second depth sensing apparatus; receiving a third optical signal for synchronization with the first depth sensing apparatus, which is transmitted by the at least one second depth sensing apparatus, and decoding the received third optical signal to extract at least one piece of second synchronization information; determining a time point at which and a cycle in which to re-transmit the first optical signal, based on the first synchronization information and the at least one piece of second synchronization information; and re-transmitting the first optical signal at the determined time point and cycle.
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公开(公告)号：US20200074720A1
公开(公告)日：2020-03-05
申请号：US16244486
申请日：2019-01-10
Applicant: Samsung Electronics Co., Ltd.
Inventor： Andrii But , Ivan Safonov , Konstantin Morozov , Ruslan Iermolenko , Yaroslav Lavrenyuk
Abstract: A method and device are provided for obtaining a 3D image. The method includes sequentially projecting a plurality of beams to an object, each of the plurality of projected beams corresponding to a respective one of a plurality of sectors included in a pattern; detecting a plurality of beams reflected off of the object corresponding to the plurality of projected beams; identifying time-of-flight (ToF) of each of the plurality of projected beams based on the plurality of detected beams; identifying a distortion of the pattern, which is caused by the object, based on the plurality of detected beams; and generating a depth map for the object based on the distortion of the pattern and the ToF of each of the plurality of projected beams, wherein the plurality of detected beams are commonly used to identify the ToF and the distortion of the pattern.
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