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Multi-distance detection device and method for depth camera

A technology of depth camera and distance detection, which is applied in the direction of measuring device, electromagnetic wave re-radiation, radio wave measuring system, etc., can solve the problem of large size of the detection device, and achieve the effect of increasing the projected optical path and increasing the distance

Active Publication Date: 2021-04-30
SHENZHEN ORBBEC CO LTD
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Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that the detection device of the depth camera is too large when the detection distance increases in the prior art, and propose a multi-distance detection device and method for the depth camera

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  • Multi-distance detection device and method for depth camera
  • Multi-distance detection device and method for depth camera

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Embodiment Construction

[0018] The present invention will be described in detail below through specific embodiments in conjunction with the accompanying drawings, so as to better understand the present invention, but the following embodiments do not limit the scope of the present invention. In addition, it should be noted that the diagrams provided in the following embodiments are only schematically illustrating the basic concept of the present invention, and only the components related to the present invention are shown in the drawings rather than the number of components, Shape and size drawing, the shape, quantity and proportion of each component can be changed arbitrarily during actual implementation, and the layout of the components may also be more complicated.

[0019] figure 1 It is a structural diagram of a depth camera. The depth camera 10 includes a plurality of optical modules, such as a projection module 101, an imaging module 102, an RGB camera 103, a light entrance window 104, and a pr...

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Abstract

The present invention proposes a multi-distance detection device for a depth camera, comprising: a depth camera for projecting light beams and receiving light beams reflected by the screen; a plane mirror for reflecting the light beams projected by the depth camera to increase the beam projection optical path; The screen is used as an object plane, receiving the beam projected by the depth camera or receiving the beam reflected by the plane mirror, and reflecting the beam, so that the depth camera completes the detection; the shell is used to place the depth Camera, plane mirror and screen. The invention also proposes a multi-distance detection method of the depth camera. The multi-distance detection device and method of the depth camera of the present invention, through the reflection principle of the plane mirror, puts the plane mirror in the detection device, increases the beam projection optical path, and can increase the detection distance without changing the space size of the device.

Description

technical field [0001] The invention relates to the field of depth cameras, in particular to a multi-distance detection device and method for depth cameras. Background technique [0002] At present, the depth calibration and depth detection of the structured light depth camera are carried out in the same device. The principle is to project the speckle pattern on the white screen through the structured light projection module inside the depth camera, and then perform the depth calibration and depth detection. Due to space constraints, the current calibration distance and depth detection distance are limited within 1.5m. [0003] However, as the application distance of the structured light depth camera increases, such as the rear camera of a mobile phone, there is a greater demand for the depth calibration and depth detection distance of the depth camera. However, according to the existing detection scheme, when the detection (described in this case "Detection" includes "dept...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T7/55G06T7/80G01S17/08
Inventor 张太永黄杰凡
Owner SHENZHEN ORBBEC CO LTD
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