Abstract

This paper describes studies of the threshold modulation curve for photographic film. The threshold modulation curve is an empirically derived relation showing the need at any spatial frequency for modulation in the aerial image of a tribar for resolution to be achieved. The paper deals with the history, raison d’être, theory, method of measurement, and accuracy and precision of the threshold modulation curve. The statistical aspects of the threshold modulation curve are emphasized, and the influence of factors that cause variations in the curve are examined. Examples are given of current and potential applications of the threshold modulation curve.

© 1970 Optical Society of America

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  1. E. W. H. Selwyn, J. L. Tearle, Proc. Phys. Soc. 58, 33 (1946).
    [CrossRef]
  2. G. C. Brock et al., Interim Eng. Rept. No. 1, Itek Corp. 9048-1, 14 (1962).
  3. F. Scott, Phot. Sci. Eng. 10, 49 (1966).
  4. F. Perrin, J. Soc. Motion Picture Television Engrs. 69, 151 (1960).
  5. G. C. Higgins, F. H. Perrin, Photo. Sci. Eng. 2, 66 (1958).
  6. National Bureau of Standards Circular 526, Optical Image Evaluation, U. S. Dept. of Commerce (1954).
  7. T. Suzuki, S. Yonezawa, J. Opt. Soc. Amer. 46, 677 (1956).
    [CrossRef]
  8. J. H. Altman, presentation at SPSE meeting (1967).
  9. MIL-STD-150A.
  10. L. O. Hendeberg, J. Opt. Soc. Amer. 53, 1114 (1963).
    [CrossRef]
  11. V. A. Korndorf, I. A. Chernyi, Zh. Nauch. Prikl. Fotogr. Kinematogr. 9, 448 (1964).

1966 (1)

F. Scott, Phot. Sci. Eng. 10, 49 (1966).

1964 (1)

V. A. Korndorf, I. A. Chernyi, Zh. Nauch. Prikl. Fotogr. Kinematogr. 9, 448 (1964).

1963 (1)

L. O. Hendeberg, J. Opt. Soc. Amer. 53, 1114 (1963).
[CrossRef]

1962 (1)

G. C. Brock et al., Interim Eng. Rept. No. 1, Itek Corp. 9048-1, 14 (1962).

1960 (1)

F. Perrin, J. Soc. Motion Picture Television Engrs. 69, 151 (1960).

1958 (1)

G. C. Higgins, F. H. Perrin, Photo. Sci. Eng. 2, 66 (1958).

1956 (1)

T. Suzuki, S. Yonezawa, J. Opt. Soc. Amer. 46, 677 (1956).
[CrossRef]

1946 (1)

E. W. H. Selwyn, J. L. Tearle, Proc. Phys. Soc. 58, 33 (1946).
[CrossRef]

Altman, J. H.

J. H. Altman, presentation at SPSE meeting (1967).

Brock, G. C.

G. C. Brock et al., Interim Eng. Rept. No. 1, Itek Corp. 9048-1, 14 (1962).

Chernyi, I. A.

V. A. Korndorf, I. A. Chernyi, Zh. Nauch. Prikl. Fotogr. Kinematogr. 9, 448 (1964).

Hendeberg, L. O.

L. O. Hendeberg, J. Opt. Soc. Amer. 53, 1114 (1963).
[CrossRef]

Higgins, G. C.

G. C. Higgins, F. H. Perrin, Photo. Sci. Eng. 2, 66 (1958).

Korndorf, V. A.

V. A. Korndorf, I. A. Chernyi, Zh. Nauch. Prikl. Fotogr. Kinematogr. 9, 448 (1964).

Perrin, F.

F. Perrin, J. Soc. Motion Picture Television Engrs. 69, 151 (1960).

Perrin, F. H.

G. C. Higgins, F. H. Perrin, Photo. Sci. Eng. 2, 66 (1958).

Scott, F.

F. Scott, Phot. Sci. Eng. 10, 49 (1966).

Selwyn, E. W. H.

E. W. H. Selwyn, J. L. Tearle, Proc. Phys. Soc. 58, 33 (1946).
[CrossRef]

Suzuki, T.

T. Suzuki, S. Yonezawa, J. Opt. Soc. Amer. 46, 677 (1956).
[CrossRef]

Tearle, J. L.

E. W. H. Selwyn, J. L. Tearle, Proc. Phys. Soc. 58, 33 (1946).
[CrossRef]

Yonezawa, S.

T. Suzuki, S. Yonezawa, J. Opt. Soc. Amer. 46, 677 (1956).
[CrossRef]

Interim Eng. Rept. No. 1, Itek Corp. (1)

G. C. Brock et al., Interim Eng. Rept. No. 1, Itek Corp. 9048-1, 14 (1962).

J. Opt. Soc. Amer. (2)

T. Suzuki, S. Yonezawa, J. Opt. Soc. Amer. 46, 677 (1956).
[CrossRef]

L. O. Hendeberg, J. Opt. Soc. Amer. 53, 1114 (1963).
[CrossRef]

J. Soc. Motion Picture Television Engrs. (1)

F. Perrin, J. Soc. Motion Picture Television Engrs. 69, 151 (1960).

Phot. Sci. Eng. (1)

F. Scott, Phot. Sci. Eng. 10, 49 (1966).

Photo. Sci. Eng. (1)

G. C. Higgins, F. H. Perrin, Photo. Sci. Eng. 2, 66 (1958).

Proc. Phys. Soc. (1)

E. W. H. Selwyn, J. L. Tearle, Proc. Phys. Soc. 58, 33 (1946).
[CrossRef]

Zh. Nauch. Prikl. Fotogr. Kinematogr. (1)

V. A. Korndorf, I. A. Chernyi, Zh. Nauch. Prikl. Fotogr. Kinematogr. 9, 448 (1964).

Other (3)

J. H. Altman, presentation at SPSE meeting (1967).

MIL-STD-150A.

National Bureau of Standards Circular 526, Optical Image Evaluation, U. S. Dept. of Commerce (1954).

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