Facial Recognition Method and Electronic Device

    公开(公告)号:US20210406350A1

    公开(公告)日:2021-12-30

    申请号:US17289666

    申请日:2019-10-22

    Abstract: A facial recognition method includes receiving, by an electronic device, a first instruction triggering the electronic device to perform facial recognition, emitting in response to the first instruction, infrared light with a light spot using an infrared projector, collecting first image information of a first object using a first camera, collecting second image information of the first object using a second camera, calculating depth information of the first object based on the first image information, the second image information, the first length, a lens focal length of the first camera, and a lens focal length of the second camera, and performing user identity verification on the first object using the first image information and the depth information of the first object.

    Method for Obtaining Depth Information and Electronic Device

    公开(公告)号:US20220020165A1

    公开(公告)日:2022-01-20

    申请号:US17290660

    申请日:2019-10-21

    Abstract: Embodiments of this application provide a method for obtaining depth information and an electronic device. The method is applied to the field of image processing technologies and can help an electronic device improve accuracy of obtaining depth information. A specific solution includes: The electronic device includes a first camera, a second camera, and an infrared projector. The electronic device receives a first instruction used to trigger the electronic device to obtain depth information of a target object; in response to the first instruction, transmits infrared light with a light spot by using an infrared projector; collects first image information of the target object by using the first camera; collects second image information of the target object by using the second camera, where the first image information and the second image information include a feature of the target object and a texture feature formed when infrared light with a light spot is irradiated onto the target object; and calculates depth information of the target object based on the first image information, the second image information, the first length, a lens focal length of the first camera, and a lens focal length of the second camera.

    Facial recognition method and electronic device

    公开(公告)号:US12154373B2

    公开(公告)日:2024-11-26

    申请号:US17289666

    申请日:2019-10-22

    Abstract: A facial recognition method includes receiving, by an electronic device, a first instruction triggering the electronic device to perform facial recognition, emitting in response to the first instruction, infrared light with a light spot using an infrared projector, collecting first image information of a first object using a first camera, collecting second image information of the first object using a second camera, calculating depth information of the first object based on the first image information, the second image information, the first length, a lens focal length of the first camera, and a lens focal length of the second camera, and performing user identity verification on the first object using the first image information and the depth information of the first object.

    Method and device for obtaining depth information from infrared light pattern projection

    公开(公告)号:US12205312B2

    公开(公告)日:2025-01-21

    申请号:US17290660

    申请日:2019-10-21

    Abstract: Embodiments of this application provide a method for obtaining depth information and an electronic device, which is applied to the field of image processing technologies and can help an electronic device improve accuracy of obtaining depth information. The electronic device includes a first camera, a second camera, and an infrared projector. The electronic device receives a instruction to obtain depth information of a target object; transmits infrared light with a light spot by an infrared projector; collects first image information of the target object by using the first camera; collects second image information by using the second camera, where the first and second image information include a feature of the target object and a texture feature formed by infrared light; and calculates depth information of the target object based on the first and second image information, the first length, lens focal lengths of the first camera and the second camera.

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