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3D imaging system and electronic device

A three-dimensional imaging and photoelectric technology, applied in measuring devices, stereo systems, optical devices, etc., can solve problems such as reducing the accuracy of three-dimensional information

Inactive Publication Date: 2018-02-13
SHENZHEN GOODIX TECH CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] However, the disadvantage of existing structured light is that it is easily disturbed by background light, which reduces the accuracy of its three-dimensional information

Method used

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Embodiment Construction

[0037] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.

[0038] In order to solve the shortcoming that structured light (Structured Light) is easily interfered by background light in the prior art, the present application utilizes / according to a pulse modulated (Phase Modulated) signal to generate structured light. Specifically, please refer to figure 1 , figure 1 It is a schematic diagram of a three-dimensional imaging system 10 according to an embodiment of the present application. The three-dimensional imaging system 10 includes a structured light module 12_t and a camera module 12_r. The structured light module 12_t is use...

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Abstract

The present application provides a three-dimensional video system including a structured light module for emitting structured light. The structured light module includes a first light-emitting unit. The first light-emitting unit receives a first pulse signal and generates a first pulse signal according to the first pulse wherein a duty cycle of the first pulse signal is less than a specific value,a light emitting power of the first light-emitting unit is greater than a specific power, and the first light has a first wavelength; and a light-sensitive pixel array is used for receiving reflectedlight corresponding to the structured light.

Description

technical field [0001] The present application relates to a three-dimensional image system, in particular to a three-dimensional image system and an electronic device capable of resisting background light. Background technique [0002] With the rapid development of science and technology, the acquisition of three-dimensional information of objects has broad application prospects in many application fields, such as production automation, human-computer interaction, medical diagnosis, reverse engineering, digital modeling, etc. Among them, the structured light three-dimensional measurement method, as a non-contact three-dimensional information acquisition technology, has been widely used because of its advantages of simple implementation, fast speed and high precision. [0003] The basic idea of ​​the structured light 3D measurement method is to use the geometric relationship of the structured light projection to obtain the 3D information of the object. First, the coded struc...

Claims

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Application Information

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IPC IPC(8): G01B11/00G01S17/89
CPCG01B11/00H04N25/78G01S17/89G01B11/2509G01B11/2536H01L27/14609H01L27/14625H04N23/56H04N25/77G06T7/521H04N13/254G01B11/2531G06T2207/10052G06T2207/10028H04N25/771H04N25/587H04N13/20H04N25/75
Inventor 杨孟达
Owner SHENZHEN GOODIX TECH CO LTD
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