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A method for the shape measurement of curved objects has been developed using multiple slit-ray projections and a turntable. The object is placed on a computer-controlled turntable and irradiated by two directed slit-ray projectors. An ITV camera takes a line image of the reflection from the object, and a computer calculates the space coordinates of the object surface. By using multiple projections, the total shape measurement of the object surface is attained accurately.
Pattern Analysis and Machine Intelligence, IEEE Transactions on (Volume:PAMI-4 , Issue: 6 )
Date of Publication: Nov. 1982