Abstract

Interpretation of imagery requires contrast between the object being sought and its background. A technique is described for increasing the contrast of selected objects based on their spectral reflectance or emittance characteristics, and two applications are discussed. Means for implementing this technique with an optical-mechanical scanner, multielement dispersing spectrometer, and electronic signal processing equipment are discussed.

© 1966 Optical Society of America

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References

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  1. R. N. Colwell, Ed., Manual of Photographic InterpretationAmerican Society of Photogrammetry (George Banta Co., Menasha, Wisc., 1960).
  2. R. N. Colwell, Am. Scientist 49, 9 (1961).
  3. G. E. Doverspike, F. M. Flynn, R. C. Heller, Photogrammetric Eng. 31, 294 (1965).
  4. J. Poley, Photogrammetric Eng. 31, 368 (1965).
  5. H. K. Meier, Soc. Phot. Inst. Engrs. J. 1, 4 (1962).
  6. D. Steiner, H. Haefner, Photogrammetric Eng. 31, 269 (1965).
  7. D. H. Brunnschweiler, Photogrammetric Eng. 23, 131 (1957).
  8. M. R. Holter, W. L. Wolfe, Proc. Inst. Radio Engrs. 47, 1546 (1959).
  9. M. A. Romanova, Air Survey of Sand Deposits by Spectral Luminance (Consultants Bureau, New York, 1964).
    [CrossRef]
  10. N. A. Raspolozhenskii, Geodesy & Aerophot. 6, 358 (1964).
  11. R. R. Legault, F. C. Polcyn, in Proceedings of the Third Symposium on Remote Sensing of Environment, Report No. 4864–9-X, Univ. Mich. Inst. Sci. Technol, Ann Arbor (Feb.1965), p. 813.
  12. C. E. Molineaux, Photogrammetric Eng. 31,(1965), p. 131.
  13. D. S. Lowe, F. C. Polcyn, R. Shay, in Proceedings of the Third Symposium on Remote Sensing of Environment, Report No. 4864–5-X, Univ. Mich. Inst. Sci. Technol., Ann Arbor (Feb.1965), p. 667.
  14. W. W. Coblentz, Bull. Natl. Bur. Std. 6, 301 (1910).
  15. R. J. P. Lyon, E. A. Burns, in Proceedings of the Second Symposium on Remote Sensing of Environment, Report No. 4864–2-X, Univ. Mich. Inst. Sci. Technol., Ann Arbor (Feb.1963), p. 309.
  16. M. J. Block, in Proceedings of the Third Symposium on Remote Sensing of Environment, Report No. 4864–9-X, Univ. Mich. Inst. Sci. Technol., Ann Arbor (Feb.1965), p. 435.
  17. D. M. Gates, H. J. Keegan, J. C. Schleter, V. R. Weidner, Appl. Opt. 4, 11 (1965).
    [CrossRef]
  18. L. D. Miller, “The Investigation of a Method for Remote Detection and Analysis of Life on a Planet,” Report No. 6590–4-F, Univ. Mich. Inst. Sci. Technol. (1965).
  19. R. Legault, Willow Run Laboratories, Univ. Mich. Inst. Sci. Technol. (private communication).

1965

G. E. Doverspike, F. M. Flynn, R. C. Heller, Photogrammetric Eng. 31, 294 (1965).

J. Poley, Photogrammetric Eng. 31, 368 (1965).

D. Steiner, H. Haefner, Photogrammetric Eng. 31, 269 (1965).

C. E. Molineaux, Photogrammetric Eng. 31,(1965), p. 131.

D. M. Gates, H. J. Keegan, J. C. Schleter, V. R. Weidner, Appl. Opt. 4, 11 (1965).
[CrossRef]

1964

N. A. Raspolozhenskii, Geodesy & Aerophot. 6, 358 (1964).

1962

H. K. Meier, Soc. Phot. Inst. Engrs. J. 1, 4 (1962).

1961

R. N. Colwell, Am. Scientist 49, 9 (1961).

1959

M. R. Holter, W. L. Wolfe, Proc. Inst. Radio Engrs. 47, 1546 (1959).

1957

D. H. Brunnschweiler, Photogrammetric Eng. 23, 131 (1957).

1910

W. W. Coblentz, Bull. Natl. Bur. Std. 6, 301 (1910).

Block, M. J.

M. J. Block, in Proceedings of the Third Symposium on Remote Sensing of Environment, Report No. 4864–9-X, Univ. Mich. Inst. Sci. Technol., Ann Arbor (Feb.1965), p. 435.

Brunnschweiler, D. H.

D. H. Brunnschweiler, Photogrammetric Eng. 23, 131 (1957).

Burns, E. A.

R. J. P. Lyon, E. A. Burns, in Proceedings of the Second Symposium on Remote Sensing of Environment, Report No. 4864–2-X, Univ. Mich. Inst. Sci. Technol., Ann Arbor (Feb.1963), p. 309.

Coblentz, W. W.

W. W. Coblentz, Bull. Natl. Bur. Std. 6, 301 (1910).

Colwell, R. N.

R. N. Colwell, Am. Scientist 49, 9 (1961).

Doverspike, G. E.

G. E. Doverspike, F. M. Flynn, R. C. Heller, Photogrammetric Eng. 31, 294 (1965).

Flynn, F. M.

G. E. Doverspike, F. M. Flynn, R. C. Heller, Photogrammetric Eng. 31, 294 (1965).

Gates, D. M.

Haefner, H.

D. Steiner, H. Haefner, Photogrammetric Eng. 31, 269 (1965).

Heller, R. C.

G. E. Doverspike, F. M. Flynn, R. C. Heller, Photogrammetric Eng. 31, 294 (1965).

Holter, M. R.

M. R. Holter, W. L. Wolfe, Proc. Inst. Radio Engrs. 47, 1546 (1959).

Keegan, H. J.

Legault, R.

R. Legault, Willow Run Laboratories, Univ. Mich. Inst. Sci. Technol. (private communication).

Legault, R. R.

R. R. Legault, F. C. Polcyn, in Proceedings of the Third Symposium on Remote Sensing of Environment, Report No. 4864–9-X, Univ. Mich. Inst. Sci. Technol, Ann Arbor (Feb.1965), p. 813.

Lowe, D. S.

D. S. Lowe, F. C. Polcyn, R. Shay, in Proceedings of the Third Symposium on Remote Sensing of Environment, Report No. 4864–5-X, Univ. Mich. Inst. Sci. Technol., Ann Arbor (Feb.1965), p. 667.

Lyon, R. J. P.

R. J. P. Lyon, E. A. Burns, in Proceedings of the Second Symposium on Remote Sensing of Environment, Report No. 4864–2-X, Univ. Mich. Inst. Sci. Technol., Ann Arbor (Feb.1963), p. 309.

Meier, H. K.

H. K. Meier, Soc. Phot. Inst. Engrs. J. 1, 4 (1962).

Miller, L. D.

L. D. Miller, “The Investigation of a Method for Remote Detection and Analysis of Life on a Planet,” Report No. 6590–4-F, Univ. Mich. Inst. Sci. Technol. (1965).

Molineaux, C. E.

C. E. Molineaux, Photogrammetric Eng. 31,(1965), p. 131.

Polcyn, F. C.

D. S. Lowe, F. C. Polcyn, R. Shay, in Proceedings of the Third Symposium on Remote Sensing of Environment, Report No. 4864–5-X, Univ. Mich. Inst. Sci. Technol., Ann Arbor (Feb.1965), p. 667.

R. R. Legault, F. C. Polcyn, in Proceedings of the Third Symposium on Remote Sensing of Environment, Report No. 4864–9-X, Univ. Mich. Inst. Sci. Technol, Ann Arbor (Feb.1965), p. 813.

Poley, J.

J. Poley, Photogrammetric Eng. 31, 368 (1965).

Raspolozhenskii, N. A.

N. A. Raspolozhenskii, Geodesy & Aerophot. 6, 358 (1964).

Romanova, M. A.

M. A. Romanova, Air Survey of Sand Deposits by Spectral Luminance (Consultants Bureau, New York, 1964).
[CrossRef]

Schleter, J. C.

Shay, R.

D. S. Lowe, F. C. Polcyn, R. Shay, in Proceedings of the Third Symposium on Remote Sensing of Environment, Report No. 4864–5-X, Univ. Mich. Inst. Sci. Technol., Ann Arbor (Feb.1965), p. 667.

Steiner, D.

D. Steiner, H. Haefner, Photogrammetric Eng. 31, 269 (1965).

Weidner, V. R.

Wolfe, W. L.

M. R. Holter, W. L. Wolfe, Proc. Inst. Radio Engrs. 47, 1546 (1959).

Am. Scientist

R. N. Colwell, Am. Scientist 49, 9 (1961).

Appl. Opt.

Bull. Natl. Bur. Std.

W. W. Coblentz, Bull. Natl. Bur. Std. 6, 301 (1910).

Geodesy & Aerophot.

N. A. Raspolozhenskii, Geodesy & Aerophot. 6, 358 (1964).

Photogrammetric Eng.

C. E. Molineaux, Photogrammetric Eng. 31,(1965), p. 131.

G. E. Doverspike, F. M. Flynn, R. C. Heller, Photogrammetric Eng. 31, 294 (1965).

J. Poley, Photogrammetric Eng. 31, 368 (1965).

D. Steiner, H. Haefner, Photogrammetric Eng. 31, 269 (1965).

D. H. Brunnschweiler, Photogrammetric Eng. 23, 131 (1957).

Proc. Inst. Radio Engrs.

M. R. Holter, W. L. Wolfe, Proc. Inst. Radio Engrs. 47, 1546 (1959).

Soc. Phot. Inst. Engrs. J.

H. K. Meier, Soc. Phot. Inst. Engrs. J. 1, 4 (1962).

Other

M. A. Romanova, Air Survey of Sand Deposits by Spectral Luminance (Consultants Bureau, New York, 1964).
[CrossRef]

D. S. Lowe, F. C. Polcyn, R. Shay, in Proceedings of the Third Symposium on Remote Sensing of Environment, Report No. 4864–5-X, Univ. Mich. Inst. Sci. Technol., Ann Arbor (Feb.1965), p. 667.

R. R. Legault, F. C. Polcyn, in Proceedings of the Third Symposium on Remote Sensing of Environment, Report No. 4864–9-X, Univ. Mich. Inst. Sci. Technol, Ann Arbor (Feb.1965), p. 813.

R. J. P. Lyon, E. A. Burns, in Proceedings of the Second Symposium on Remote Sensing of Environment, Report No. 4864–2-X, Univ. Mich. Inst. Sci. Technol., Ann Arbor (Feb.1963), p. 309.

M. J. Block, in Proceedings of the Third Symposium on Remote Sensing of Environment, Report No. 4864–9-X, Univ. Mich. Inst. Sci. Technol., Ann Arbor (Feb.1965), p. 435.

L. D. Miller, “The Investigation of a Method for Remote Detection and Analysis of Life on a Planet,” Report No. 6590–4-F, Univ. Mich. Inst. Sci. Technol. (1965).

R. Legault, Willow Run Laboratories, Univ. Mich. Inst. Sci. Technol. (private communication).

R. N. Colwell, Ed., Manual of Photographic InterpretationAmerican Society of Photogrammetry (George Banta Co., Menasha, Wisc., 1960).

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Figures (3)

Fig. 1
Fig. 1

Schematic of multispectral scanner and data processor.

Fig. 2
Fig. 2

Spectral reflectance of green vegetation.

Fig. 3
Fig. 3

Vector representation of spectral analysis.

Tables (1)

Tables Icon

Table I System Requirements and Calculated Performance

Metrics