Abstract

Randomly oriented microbiological patterns are recognized by rotating a matched spatial filter with an optical wedge prism. The filter is made from a composite input pattern with various sized objects to cover wider ranges of size variation in a species to be identified.

© 1980 Optical Society of America

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References

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  1. A. Vander Lugt, F. B. Rotz, A. Klooster, in Optical and Electro-Optical Information Processing, J. T. Tippett et al., Eds. (MIT Press, Cambridge, Mass., 1965), p. 125.
  2. R. Herold, Kenneth Leib, Grummann Aerospace Corp., Bethpage, N. Y., RM-627 (Jan.1977).
  3. J. Cairns, K. L. Dickson, J. P. Slocomb, S. P. Almeida, J. K. T. Eu, C. Y. C. Liu, H. F. Smith, in Trace Substances in Environmental Health-8, D. Hemphill, Ed. (U. Missouri Press, Columbia, 1974), p. 223.
  4. R. Patrick, M. H. Hohn, J. H. Wallace, Proc. Natl. Acad. Sci. U.S.A. 259, 12 (1954).
  5. R. L. Kaesler, J. Cairns, Am. Midi. Nat. 88, 56 (1972).
    [CrossRef]
  6. J. Cairns, K. L. Dickson, G. R. Lanza, S. P. Almeida, D. D. Balzo, Arch. Microbiol. 83, 141 (1972).
  7. S. P. Almeida, J. K. T. Eu, Appl. Opt. 15, 510 (1976).
    [CrossRef] [PubMed]
  8. H. Fujii, S. P. Almeida, Appl. Opt. 18, 1659 (1979).
    [CrossRef] [PubMed]
  9. B. M. Watrasiewicz, Opt. Laser Technol. 4, 288 (1972).
    [CrossRef]
  10. D. W. Swift, Opt. Laser Technol. 4, 174 (1972).
    [CrossRef]
  11. C. J. Vienot, P. Smigielske, H. Roger, Holographique Optique Developments Application (Dunod, Paris, 1971).
  12. A. Vander Lugt, Appl. Opt. 5, 1760 (1966).
    [CrossRef]
  13. S. P. Almeida, H. Fujii, Appl. Opt. 18, 1663 (1979).
    [CrossRef] [PubMed]

1979 (2)

1976 (1)

1972 (4)

R. L. Kaesler, J. Cairns, Am. Midi. Nat. 88, 56 (1972).
[CrossRef]

J. Cairns, K. L. Dickson, G. R. Lanza, S. P. Almeida, D. D. Balzo, Arch. Microbiol. 83, 141 (1972).

B. M. Watrasiewicz, Opt. Laser Technol. 4, 288 (1972).
[CrossRef]

D. W. Swift, Opt. Laser Technol. 4, 174 (1972).
[CrossRef]

1966 (1)

1954 (1)

R. Patrick, M. H. Hohn, J. H. Wallace, Proc. Natl. Acad. Sci. U.S.A. 259, 12 (1954).

Almeida, S. P.

H. Fujii, S. P. Almeida, Appl. Opt. 18, 1659 (1979).
[CrossRef] [PubMed]

S. P. Almeida, H. Fujii, Appl. Opt. 18, 1663 (1979).
[CrossRef] [PubMed]

S. P. Almeida, J. K. T. Eu, Appl. Opt. 15, 510 (1976).
[CrossRef] [PubMed]

J. Cairns, K. L. Dickson, G. R. Lanza, S. P. Almeida, D. D. Balzo, Arch. Microbiol. 83, 141 (1972).

J. Cairns, K. L. Dickson, J. P. Slocomb, S. P. Almeida, J. K. T. Eu, C. Y. C. Liu, H. F. Smith, in Trace Substances in Environmental Health-8, D. Hemphill, Ed. (U. Missouri Press, Columbia, 1974), p. 223.

Balzo, D. D.

J. Cairns, K. L. Dickson, G. R. Lanza, S. P. Almeida, D. D. Balzo, Arch. Microbiol. 83, 141 (1972).

Cairns, J.

J. Cairns, K. L. Dickson, G. R. Lanza, S. P. Almeida, D. D. Balzo, Arch. Microbiol. 83, 141 (1972).

R. L. Kaesler, J. Cairns, Am. Midi. Nat. 88, 56 (1972).
[CrossRef]

J. Cairns, K. L. Dickson, J. P. Slocomb, S. P. Almeida, J. K. T. Eu, C. Y. C. Liu, H. F. Smith, in Trace Substances in Environmental Health-8, D. Hemphill, Ed. (U. Missouri Press, Columbia, 1974), p. 223.

Dickson, K. L.

J. Cairns, K. L. Dickson, G. R. Lanza, S. P. Almeida, D. D. Balzo, Arch. Microbiol. 83, 141 (1972).

J. Cairns, K. L. Dickson, J. P. Slocomb, S. P. Almeida, J. K. T. Eu, C. Y. C. Liu, H. F. Smith, in Trace Substances in Environmental Health-8, D. Hemphill, Ed. (U. Missouri Press, Columbia, 1974), p. 223.

Eu, J. K. T.

S. P. Almeida, J. K. T. Eu, Appl. Opt. 15, 510 (1976).
[CrossRef] [PubMed]

J. Cairns, K. L. Dickson, J. P. Slocomb, S. P. Almeida, J. K. T. Eu, C. Y. C. Liu, H. F. Smith, in Trace Substances in Environmental Health-8, D. Hemphill, Ed. (U. Missouri Press, Columbia, 1974), p. 223.

Fujii, H.

Herold, R.

R. Herold, Kenneth Leib, Grummann Aerospace Corp., Bethpage, N. Y., RM-627 (Jan.1977).

Hohn, M. H.

R. Patrick, M. H. Hohn, J. H. Wallace, Proc. Natl. Acad. Sci. U.S.A. 259, 12 (1954).

Kaesler, R. L.

R. L. Kaesler, J. Cairns, Am. Midi. Nat. 88, 56 (1972).
[CrossRef]

Klooster, A.

A. Vander Lugt, F. B. Rotz, A. Klooster, in Optical and Electro-Optical Information Processing, J. T. Tippett et al., Eds. (MIT Press, Cambridge, Mass., 1965), p. 125.

Lanza, G. R.

J. Cairns, K. L. Dickson, G. R. Lanza, S. P. Almeida, D. D. Balzo, Arch. Microbiol. 83, 141 (1972).

Leib, Kenneth

R. Herold, Kenneth Leib, Grummann Aerospace Corp., Bethpage, N. Y., RM-627 (Jan.1977).

Liu, C. Y. C.

J. Cairns, K. L. Dickson, J. P. Slocomb, S. P. Almeida, J. K. T. Eu, C. Y. C. Liu, H. F. Smith, in Trace Substances in Environmental Health-8, D. Hemphill, Ed. (U. Missouri Press, Columbia, 1974), p. 223.

Patrick, R.

R. Patrick, M. H. Hohn, J. H. Wallace, Proc. Natl. Acad. Sci. U.S.A. 259, 12 (1954).

Roger, H.

C. J. Vienot, P. Smigielske, H. Roger, Holographique Optique Developments Application (Dunod, Paris, 1971).

Rotz, F. B.

A. Vander Lugt, F. B. Rotz, A. Klooster, in Optical and Electro-Optical Information Processing, J. T. Tippett et al., Eds. (MIT Press, Cambridge, Mass., 1965), p. 125.

Slocomb, J. P.

J. Cairns, K. L. Dickson, J. P. Slocomb, S. P. Almeida, J. K. T. Eu, C. Y. C. Liu, H. F. Smith, in Trace Substances in Environmental Health-8, D. Hemphill, Ed. (U. Missouri Press, Columbia, 1974), p. 223.

Smigielske, P.

C. J. Vienot, P. Smigielske, H. Roger, Holographique Optique Developments Application (Dunod, Paris, 1971).

Smith, H. F.

J. Cairns, K. L. Dickson, J. P. Slocomb, S. P. Almeida, J. K. T. Eu, C. Y. C. Liu, H. F. Smith, in Trace Substances in Environmental Health-8, D. Hemphill, Ed. (U. Missouri Press, Columbia, 1974), p. 223.

Swift, D. W.

D. W. Swift, Opt. Laser Technol. 4, 174 (1972).
[CrossRef]

Vander Lugt, A.

A. Vander Lugt, Appl. Opt. 5, 1760 (1966).
[CrossRef]

A. Vander Lugt, F. B. Rotz, A. Klooster, in Optical and Electro-Optical Information Processing, J. T. Tippett et al., Eds. (MIT Press, Cambridge, Mass., 1965), p. 125.

Vienot, C. J.

C. J. Vienot, P. Smigielske, H. Roger, Holographique Optique Developments Application (Dunod, Paris, 1971).

Wallace, J. H.

R. Patrick, M. H. Hohn, J. H. Wallace, Proc. Natl. Acad. Sci. U.S.A. 259, 12 (1954).

Watrasiewicz, B. M.

B. M. Watrasiewicz, Opt. Laser Technol. 4, 288 (1972).
[CrossRef]

Am. Midi. Nat. (1)

R. L. Kaesler, J. Cairns, Am. Midi. Nat. 88, 56 (1972).
[CrossRef]

Appl. Opt. (4)

Arch. Microbiol. (1)

J. Cairns, K. L. Dickson, G. R. Lanza, S. P. Almeida, D. D. Balzo, Arch. Microbiol. 83, 141 (1972).

Opt. Laser Technol. (2)

B. M. Watrasiewicz, Opt. Laser Technol. 4, 288 (1972).
[CrossRef]

D. W. Swift, Opt. Laser Technol. 4, 174 (1972).
[CrossRef]

Proc. Natl. Acad. Sci. U.S.A. (1)

R. Patrick, M. H. Hohn, J. H. Wallace, Proc. Natl. Acad. Sci. U.S.A. 259, 12 (1954).

Other (4)

A. Vander Lugt, F. B. Rotz, A. Klooster, in Optical and Electro-Optical Information Processing, J. T. Tippett et al., Eds. (MIT Press, Cambridge, Mass., 1965), p. 125.

R. Herold, Kenneth Leib, Grummann Aerospace Corp., Bethpage, N. Y., RM-627 (Jan.1977).

J. Cairns, K. L. Dickson, J. P. Slocomb, S. P. Almeida, J. K. T. Eu, C. Y. C. Liu, H. F. Smith, in Trace Substances in Environmental Health-8, D. Hemphill, Ed. (U. Missouri Press, Columbia, 1974), p. 223.

C. J. Vienot, P. Smigielske, H. Roger, Holographique Optique Developments Application (Dunod, Paris, 1971).

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Figures (11)

Fig. 1
Fig. 1

Typical input pattern of diatoms taken through microscope. Scale indicates actual size of diatoms.

Fig. 2
Fig. 2

Schematic illustration of rotational MSF. Optical wedge prism W is used to center correlation signal on detector element of the vidicon.

Fig. 3
Fig. 3

(a) Original pattern of diatom under test. (b) Outline traced from (a) and used to make MSF (c). Only a portion of MSF is shown.

Fig. 4
Fig. 4

MSF mounted on holder for recording (left) and rotation.

Fig. 5
Fig. 5

Rotational MSF with stepper motor, encoder readout system, and TV camera.

Fig. 6
Fig. 6

Variations of correlation spots for object in Fig. 3(b) at different angles.

Fig. 7
Fig. 7

Three-dimensional plots of correlation peaks at different angles. These plots show 100 × 100 pixels quantized to 256 gray levels.

Fig. 8
Fig. 8

Composite input (a) used in making the averaged MSF (b).

Fig. 9
Fig. 9

Correlation patterns produced by various sized inputs.

Fig. 10
Fig. 10

(a) Actual photomicrographic picture to be analyzed and (c) results of pixel count as function of angle of MSF illustrated in (b).

Fig. 11
Fig. 11

Similar results as in Fig. 10 for different input pattern.

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