Position Measurement Of Target Mark Recorded On High-Speed Motion-Picture Films

K . Shimizu; C Ikeya

doi:10.1117/12.957653

27 July 1979 Position Measurement Of Target Mark Recorded On High-Speed Motion-Picture Films

K . Shimizu, C Ikeya

Proceedings Volume 0189, 13th Intl Congress on High Speed Photography and Photonics; (1979) https://doi.org/10.1117/12.957653
Event: 13th International Congress on High Speed Photography and Photonics, 1978, Tokyo, Japan

Abstract

It is possible to extract the contour of images without such effects as shading, by adding a circular deflec tion as sub-deflection to the image camera tube and then by extracting from them AC-portion alone. Further, it is possible to seek the mark's gradient as well as the relative deviation of the mark from sub-deflection, by effecting synchronized rectification for these video signals by means of the sub-deflecting carrier and the other carrier having a frequency twice the sub-deflecting one. The prototype model of the Mark-Position Measuring Device is realized by analogue technique, using an Image Dissector Camera.

Citation Download Citation

K . Shimizu and C Ikeya "Position Measurement Of Target Mark Recorded On High-Speed Motion-Picture Films", Proc. SPIE 0189, 13th Intl Congress on High Speed Photography and Photonics, (27 July 1979); https://doi.org/10.1117/12.957653

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