The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
A light-pen single camera 3D coordinate vision measurement system is introduced, Based on the analysis of the system's image characteristics, a digital method, which is for recognizing the elliptical light spot images of the measured control points, is proposed. Compared with the pixel number of the measured control points' elliptical light spot image, the too large and small light spot images can...