Cao, Hang, Chen, Xiaomei, Grattan, K.T.V. and Sun, Yujiu (2002) Automatic micro dimension measurement using image processing methods. Measurement, 31 (2). pp. 71-76. ISSN 02632241

In this paper, a technique to measure the locations and orientations of apertures, and their diameters, on the spout nozzle of an engine is presented and a complex measuring apparatus designed for the purpose is discussed. This consists of an area CCD camera, an image acquisition card, stepper motors, optical and mechanical units and a computer system for data acquisition and control. Results on the performance of the system are presented.

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