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Depth data measuring head, measuring device and measuring method

A technology of depth data and measuring head, applied in the field of 3D imaging, can solve the problem of difficult realization of real-time imaging, and achieve the effect of improving imaging speed, accuracy and high flexibility

Active Publication Date: 2022-04-12
SHANGHAI TUYANG INFORMATION TECH CO LTD
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Problems solved by technology

However, the one-time depth data acquisition of the above scheme requires imaging multiple image frames and involves matching operations on a large number of image frames, which makes real-time imaging difficult to achieve

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  • Depth data measuring head, measuring device and measuring method
  • Depth data measuring head, measuring device and measuring method

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Embodiment Construction

[0040] Preferred embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although preferred embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

[0041] In order to meet the requirements of high precision, high frame rate, low power consumption and miniaturization in the field of three-dimensional imaging, the present invention proposes a depth data measurement head and measurement system, which combines active projected stripe-coded structured light and binocular imaging , superimposed and binocular imaging based on fringe-coded patterns does not need to depend on the characteristics...

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Abstract

Disclosed are a depth data measuring head, a measuring device and a measuring method. The measuring head includes: a projection device for scanning and projecting structured light with stripe codes to the shooting area; first and second image sensors with a predetermined relative positional relationship, used for shooting the shooting area to respectively obtain The first and second two-dimensional image frames, each or each group of pixel columns in the image sensor includes N pixel storage sub-columns, where N is an integer greater than or equal to 2; and synchronization means for projection-based device-based At the scanning position, one or more pixel storage sub-columns included in the pixel column in the stripe direction corresponding to the current scanning position in the first and second image sensors are turned on synchronously for imaging. Therefore, a highly flexible pixel-level depth imaging solution is provided to remove the influence of ambient light on the depth measurement result, and it is possible to simultaneously store multiple sets of projected patterns to facilitate subsequent processing operations.

Description

technical field [0001] The invention relates to the field of three-dimensional imaging, in particular to a depth data measuring head, a measuring device and a measuring method. Background technique [0002] A depth camera is a collection device that collects depth information of a target object. This type of camera is widely used in 3D scanning, 3D modeling and other fields. For example, more and more smartphones are now equipped with depth sensors for face recognition. camera device. In addition, depth cameras also have broad application prospects in the fields of security and autonomous driving. [0003] Although 3D imaging has been a research hotspot in the field for many years, existing depth cameras still have many problems such as high power consumption, large size, poor anti-interference ability, and inability to achieve pixel-level real-time imaging. To this end, a binocular fringe light imaging scheme has been proposed, which uses the matching between images acqui...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B11/22G01B11/25G01B11/245
CPCG01B11/22G01B11/2518G01B11/25G01B11/245
Inventor 王敏捷梁雨时
Owner SHANGHAI TUYANG INFORMATION TECH CO LTD
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