Image sensor, depth data measuring head and depth data measuring system

An image sensor and depth data technology, applied in the field of 3D imaging, can solve problems such as difficult alignment of infrared images and color images, and achieve the effect of improving window matching accuracy and simple settings

Pending Publication Date: 2018-10-12
SHANGHAI TUYANG INFORMATION TECH CO LTD
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  • Application Information

AI Technical Summary

Problems solved by technology

The existence of shooting blind spots will also make it difficult to align the captured infrared images and color images

Method used

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  • Image sensor, depth data measuring head and depth data measuring system
  • Image sensor, depth data measuring head and depth data measuring system
  • Image sensor, depth data measuring head and depth data measuring system

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Embodiment Construction

[0036] 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.

[0037] When it is necessary to obtain infrared and color image information of the same subject at the same time, such as figure 1 The use of separate infrared cameras and color cameras as shown will cause a lot of inconvenience in calibration, and will directly affect the image quality due to the existence of blind spots. In order to overcome the difference in optical paths between infrared images and color images, a pixel-level fusion infr...

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Abstract

The invention discloses an image sensor, a depth data measuring head provided with the image sensor and a depth data measuring system provided with the image sensor. The image sensor comprises a lensunit, a beam splitting device, a visible light sensing unit and an infrared light sensing unit, wherein the lens unit is used for receiving an incident light; the beam splitting device is used for splitting the incident light into a visible light beam and an infrared light beam; the visible light sensing unit is used for detecting a visible light within a special visible light frequency range fromthe visible light beam; and the infrared light sensing unit is used for detecting an infrared light within a special infrared light frequency range from the infrared light beam. With the introduced beam splitting device, particularly a square prism for reflecting the infrared light, the image sensor provided by the invention can realize separation of an infrared light constituent and a visible light constituent and pixel-level alignment of imaging through very simple setting. The image sensor can be used in various monocular and binocular measuring heads, and can preferably cooperate with a visible light protection device to improve window matching accuracy through multiple sets of projected textures.

Description

technical field [0001] The invention relates to the field of three-dimensional imaging, in particular to an image sensor, a depth data measuring head and a measuring system. Background technique [0002] The traditional image capture method can only obtain the two-dimensional information of the object, but cannot obtain the spatial depth information of the object (also known as the depth of field information). It plays a vital role in life and entertainment applications. [0003] 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. In practical applications, in order to truly restore the three-dimensional data and surface texture of an object, it is often necessary to collect color texture information on the surface of the object while collecting depth information. [0004] When collecting depth information, in order to eliminate the interference of visible...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/225H04N5/33G03B33/00
CPCH04N5/33G03B33/00H04N23/54H04N23/55
Inventor 王敏捷梁雨时宋涛陈翔周剑靓
Owner SHANGHAI TUYANG INFORMATION TECH CO LTD
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