Patents by Inventor Ivan SAFONOV
Ivan SAFONOV 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).
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Patent number: 11846500Abstract: 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.Type: GrantFiled: October 28, 2019Date of Patent: December 19, 2023Assignee: Samsung Electronics Co., Ltd.Inventors: Kostiantyn Morozov, Oleksandr Klimenkov, Dmytro Vavdiiuk, Ivan Safonov, Andrii But, Andrii Sukhariev, Ruslan Iermolenko, Serhii Iliukhin, Yaroslav Lavrenyuk
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Patent number: 11610323Abstract: 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.Type: GrantFiled: July 1, 2019Date of Patent: March 21, 2023Assignee: Samsung Electronics Co., Ltd.Inventors: Kostiantyn Morozov, Dmytro Korba, Ruslan Iermolenko, Andrii Sukhariev, Serhii Iliukhin, Andrii But, Ivan Safonov, Yaroslav Lavrenyuk, Oleksandr Klimenkov, Dmytro Vavdiiuk
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Publication number: 20220011096Abstract: 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.Type: ApplicationFiled: October 28, 2019Publication date: January 13, 2022Inventors: Kostiantyn MOROZOV, Oleksandr KLIMENKOV, Dmytro VAVDIIUK, Ivan SAFONOV, Andrii BUT, Andrii SUKHARIEV, Ruslan IERMOLENKO, Serhii ILIUKHIN, Yaroslav LAVRENYUK
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Patent number: 11195290Abstract: An apparatus and method are provided and include an interface unit configured to receive an electrical signal based on light received from a camera; and at least one processor configured to obtain depth information of a scene based on the electrical signal received from the interface unit, wherein the at least one processor is configured to identify a recognition pattern corresponding to the light received by the camera based on the electrical signal, to obtain a total distance value between properties of a partial source pattern corresponding to a target fragment in the source pattern and properties of a partial recognition pattern corresponding to the target fragment in the recognition pattern, and to estimate depth information of the target fragment based on the obtained total distance value.Type: GrantFiled: January 15, 2020Date of Patent: December 7, 2021Inventors: Kostiantyn Morozov, Dmytro Vavdiiuk, Oleksandr Klimenkov, Andrii Sukhariev, Ivan Safonov
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Publication number: 20210327079Abstract: 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.Type: ApplicationFiled: July 1, 2019Publication date: October 21, 2021Inventors: Kostiantyn MOROZOV, Dmytro KORBA, Ruslan LERMOLENKO, Andrii SUKHARIEV, Serhii ILIUKHIN, Andrii BUT, Ivan SAFONOV, Yaroslav LAVRENYUK, Oleksandr KLIMENKOV, Dmytro VAVDIIUK
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Patent number: 11079475Abstract: An optical device is disclosed. An optical device of the present invention that generates a depth map for an object comprises: a projector for irradiating electromagnetic waves onto an object; an optical receiver for receiving reflected waves reflected from the object; and a processor for generating a first depth map for the object on the basis of the direction of arrival of the received reflected waves, generating a second depth map for the object on the basis of the arrival time of the received reflected waves, and combining the first depth map and the second depth map and generating a depth map for the object.Type: GrantFiled: February 24, 2016Date of Patent: August 3, 2021Assignee: Samsung Electronics Co., Ltd.Inventors: Sergii Gryshchenko, Iegor Vdovychenko, Ivan Safonov, Andrii But, Vitaliy Bulygin, Volodymyr Khristyan
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Patent number: 10872461Abstract: 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.Type: GrantFiled: January 10, 2019Date of Patent: December 22, 2020Inventors: Andrii But, Ivan Safonov, Konstantin Morozov, Ruslan Iermolenko, Yaroslav Lavrenyuk
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Publication number: 20200234458Abstract: An apparatus and method for measuring a depth in a structured depth camera system including a projector and a camera for receiving light radiated by a source pattern from the projector and reflected from one or more objects in a scene is provided.Type: ApplicationFiled: January 15, 2020Publication date: July 23, 2020Inventors: Kostiantyn MOROZOV, Dmytro VAVDIIUK, Oleksandr KLIMENKOV, Andrii SUKHARIEV, Ivan SAFONOV
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Publication number: 20200074720Abstract: 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.Type: ApplicationFiled: January 10, 2019Publication date: March 5, 2020Inventors: Andrii But, Ivan Safonov, Konstantin Morozov, Ruslan Iermolenko, Yaroslav Lavrenyuk
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Publication number: 20180302259Abstract: The present invention relates to an apparatus for obtaining a signal, which may comprise an electronic apparatus comprising: an antenna for receiving a signal via at least one channel from an external apparatus; a reference signal generation unit for generating a reference signal on the basis of frequency-related values and transmitting the reference signal to a signal correlation unit; a signal correlation unit for calculating a correlation value between the signal and the reference signal; a correlation maximum signal identifying unit for identifying a time value corresponding to a correlation value exceeding a preset reference value from among correlation values calculated from the signal correlation unit and delivering the identified time value to a least square calculation unit; and a least square calculation unit for calculating at least any one of a magnitude value and a phase value of a frequency on the basis of the identified time value and delivering the calculated value to the reference signal geneType: ApplicationFiled: October 17, 2016Publication date: October 18, 2018Inventors: Iegor VDOVYCHENKO, Andrii BUT, Illia FEDORIN, Ivan SAFONOV, Sergii GRYSHCHENKO, Vitaliy BULYGIN
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Publication number: 20180157155Abstract: An optical device is disclosed. An optical device of the present invention that generates a depth map for an object comprises: a projector for irradiating electromagnetic waves onto an object; an optical receiver for receiving reflected waves reflected from the object; and a processor for generating a first depth map for the object on the basis of the direction of arrival of the received reflected waves, generating a second depth map for the object on the basis of the arrival time of the received reflected waves, and combining the first depth map and the second depth map and generating a depth map for the object.Type: ApplicationFiled: February 24, 2016Publication date: June 7, 2018Inventors: Sergii GRYSHCHENKO, Iegor VDOVYCHENKO, Ivan SAFONOV, Andrii BUT, Vitaliy BULYGIN, Volodymyr KHRISTYAN