Stereo vision imaging device and method based on digital micromirror device

Abstract

The invention, which belongs to the stereoscopic vision imaging field, discloses a digital-micromirror-device-based stereoscopic vision imaging apparatus and method. The apparatus comprises a first objective lens, a second objective lens, a reflection mirror, a digital micromirror device, a CCD image sensor, and a housing. The method includes: carrying out image acquisition and coordinate calculation; and calculating world coordinate values of all points of a target object to realize stereo imaging of the target object. According to the invention, image acquisition of the same target object at different directions can be completed by controlling the overturning state of the arrangement mode at an odd-oven interval of the two-dimensional micro mirror element arraies of the digital micromirror device; and no synchronous time difference exists between two parallax images. Therefore, the method and apparatus are suitable for stereoscopic vision imaging of a dynamic target object.

Description

technical field [0001] The invention relates to a stereoscopic vision imaging device and method based on a digital micromirror device, belonging to the field of stereoscopic vision imaging. Background technique [0002] Stereo vision imaging technology can simulate human eye imaging to obtain a three-dimensional image of the target object, and has been widely used in the fields of three-dimensional shape measurement and additive manufacturing in recent years. At present, dual-camera stereo vision imaging devices and methods are mostly used in industrial applications, that is, two cameras simultaneously collect two images of a target object from different angles, and achieve stereo vision imaging effects based on the principle of parallax. However, this dual-camera stereo vision imaging device needs to use two cameras, the device has a large structure and high cost, and parameter calibration of each camera is required before stereo vision imaging. In addition, when imaging a...

AI Technical Summary

Problems solved by technology

However, this dual-camera stereo vision imaging device needs to use two cameras, the structure of the device is large, the cost is high, and the parameters of each camera need to be calibrated before stereo vision imaging.

In addition, when imaging a dynamic target, the time synchronization of the two cameras is required, otherwise it will cause distortion and distortion of the stereo vision imaging

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