CN115917426A - 一种结构光投射装置以及深度相机 - Google Patents

一种结构光投射装置以及深度相机 Download PDF

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Publication number
CN115917426A
CN115917426A CN202180006602.6A CN202180006602A CN115917426A CN 115917426 A CN115917426 A CN 115917426A CN 202180006602 A CN202180006602 A CN 202180006602A CN 115917426 A CN115917426 A CN 115917426A
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CN
China
Prior art keywords
structured light
light
angle
projection device
adjusting
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Pending
Application number
CN202180006602.6A
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English (en)
Inventor
杨京寰
李腾
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of CN115917426A publication Critical patent/CN115917426A/zh
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C11/00Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/42Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00Details of cameras or camera bodies; Accessories therefor
    • G03B17/48Details of cameras or camera bodies; Accessories therefor adapted for combination with other photographic or optical apparatus
    • G03B17/54Details of cameras or camera bodies; Accessories therefor adapted for combination with other photographic or optical apparatus with projector
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details

Abstract

一种结构光投射装置(1000)及深度相机(10),结构光投射装置(1000)包括:光发射机构(1),用于发射第一光;角度调节机构(2),用于调整第一光的角度;以及衍射机构(3),用于将经过角度调节机构(2)的第一光转换为带有预设图案的第二光。能够提升探测的视场范围的同时,又保证结构光预设图案的空间密度,进而增加深度信息的探测精度。

Description

PCT国内申请,说明书已公开。

Claims (20)

  1. PCT国内申请,权利要求书已公开。
CN202180006602.6A 2021-07-30 2021-07-30 一种结构光投射装置以及深度相机 Pending CN115917426A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2021/109558 WO2023004737A1 (zh) 2021-07-30 2021-07-30 一种结构光投射装置以及深度相机

Publications (1)

Publication Number Publication Date
CN115917426A true CN115917426A (zh) 2023-04-04

Family

ID=85086052

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202180006602.6A Pending CN115917426A (zh) 2021-07-30 2021-07-30 一种结构光投射装置以及深度相机

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CN (1) CN115917426A (zh)
WO (1) WO2023004737A1 (zh)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10551614B2 (en) * 2017-08-14 2020-02-04 Facebook Technologies, Llc Camera assembly with programmable diffractive optical element for depth sensing
CN107703792A (zh) * 2017-09-11 2018-02-16 广东欧珀移动通信有限公司 智能家电的控制方法和装置
WO2019145786A1 (en) * 2018-01-24 2019-08-01 Mantisvision Ltd. Structured light projector and method for depth measurement
CN108333859B (zh) * 2018-02-08 2024-03-12 宁波舜宇光电信息有限公司 结构光投射装置、深度相机以基于深度相机的深度图像成像方法
US11067820B2 (en) * 2018-07-31 2021-07-20 Himax Technologies Limited Structured light projector and three-dimensional image sensing module
CN109068117A (zh) * 2018-09-11 2018-12-21 深圳阜时科技有限公司 光源模组、3d成像系统、身份识别装置及电子设备

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WO2023004737A1 (zh) 2023-02-02

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