A method for the three-dimensional optical measurement of object surfaces

摘要

The invention relates to a method for the three-dimensional optical measurement of object surfaces by means of a digital camera (hereinafter referred to as a camera), in which the coordinates of the selecting of the of the camera images generated on the sensor of the surface of the object are determined. The present invention is especially suitable for the measurement of static object surfaces. Dollars a of the basic idea of the invention consists in that the tracking of features (edges, corners) or pixel blocks with sufficient structure of an image, which in the initial position of the camera was generated, up to an image, which in the end position of the camera was generated, a simple and / or with a higher degree of reliability can be performed when this tracing a stepwise fashion, via one or more images is carried out, which were generated in the camera - positions between the initial - and the end position of the camera (hereinafter "intermediate positions are referred to as"). Dollars a of the particular advantage of the invention therefore consists in that the photo gram in the stereo geometry conventional compromise between large and small base width (distance of the cameras to each other) is in an elegant manner.