APPARATUS FOR MEASURING THREE-DIMENSIONAL CURVED SURFACE SHAPES

ABSTRACT OF THE DISCLOSURE A three-dimensional curved surface shape measuring apparatus of the slit light rotating type. In accordance with a composite image .theta.(x', y') produced when a slit light is rotationally scanned with resect to a picture of an object to be measured and horizont...

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Bibliographische Detailangaben
Hauptverfasser:	UESUGI, MITSUAKI, INOMATA, MASAICHI
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY IMAGE DATA PROCESSING OR GENERATION, IN GENERAL MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION TESTING
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Beschreibung
Zusammenfassung:	ABSTRACT OF THE DISCLOSURE A three-dimensional curved surface shape measuring apparatus of the slit light rotating type. In accordance with a composite image .theta.(x', y') produced when a slit light is rotationally scanned with resect to a picture of an object to be measured and horizontal displacements xo and vertical displacements zo of an axis of rotation of the slit light with respect to an origin of a reference plane, a necessary computational processing is performed to determine a three-dimensional shape f(x, y) of the object surface which is free of distortions due to a perspective effect of a television camera.