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 PDFInfo
- 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
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C11/00—Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS 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
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/48—Details of cameras or camera bodies; Accessories therefor adapted for combination with other photographic or optical apparatus
- G03B17/54—Details of cameras or camera bodies; Accessories therefor adapted for combination with other photographic or optical apparatus with projector
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS 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
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
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)
- PCT国内申请,权利要求书已公开。
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 |
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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 |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN115917426A (zh) |
WO (1) | WO2023004737A1 (zh) |
Family Cites Families (6)
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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2021
- 2021-07-30 WO PCT/CN2021/109558 patent/WO2023004737A1/zh active Application Filing
- 2021-07-30 CN CN202180006602.6A patent/CN115917426A/zh active Pending
Also Published As
Publication number | Publication date |
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WO2023004737A1 (zh) | 2023-02-02 |
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