Sine Wave Contrast Target for Direct View Optics Field Performance Measurements

C. D.R.Keith Krapels; C. D.R.Paul Larson; Ronald G. Driggers; Lou Larsen; Jonathan Fanning

doi:10.1117/12.719631

Sine Wave Contrast Target for Direct View Optics Field Performance Measurements

C. D.R.Keith Krapels, C. D.R.Paul Larson, Ronald G. Driggers, Lou Larsen, Jonathan Fanning

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

In this research, a sensor performance measurement technique is developed similar to the Triangle Orientation Discrimination (TOD), but sinusoids are used instead of triangles. Also, instead of infrared systems, the technique is applied to the eye and direct view optics. This new technique is called Contrast Threshold Function Orientation Discrimination (CTFOD) and the result is a "system" contrast threshold function that can be used with Vollmerhausen's Target Task Performance (TTP) metric. The technique is a simple technique that can be measured in the field using a target board where the results provide for the eye, the optics transfer function and transmission, and any atmospheric turbulence effects that are present.

Original language	English (US)
Title of host publication	Infrared Imaging Systems
Subtitle of host publication	Design, Analysis, Modeling, and Testing XVIII
DOIs	https://doi.org/10.1117/12.719631
State	Published - 2007
Externally published	Yes
Event	Infrared Imaging Systems: Design, Analysis, Modeling, and Testing XVIII - Orlando, FL, United States Duration: Apr 11 2007 → Apr 13 2007

Publication series

Name	Proceedings of SPIE - The International Society for Optical Engineering
Volume	6543
ISSN (Print)	0277-786X

Conference

Conference	Infrared Imaging Systems: Design, Analysis, Modeling, and Testing XVIII
Country/Territory	United States
City	Orlando, FL
Period	4/11/07 → 4/13/07

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

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10.1117/12.719631

Cite this

Krapels, C. D. R. K., Larson, C. D. R. P., Driggers, R. G., Larsen, L., & Fanning, J. (2007). Sine Wave Contrast Target for Direct View Optics Field Performance Measurements. In Infrared Imaging Systems: Design, Analysis, Modeling, and Testing XVIII Article 65430J (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 6543). https://doi.org/10.1117/12.719631

Sine Wave Contrast Target for Direct View Optics Field Performance Measurements. / Krapels, C. D.R.Keith; Larson, C. D.R.Paul; Driggers, Ronald G. et al.
Infrared Imaging Systems: Design, Analysis, Modeling, and Testing XVIII. 2007. 65430J (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 6543).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Krapels, CDRK, Larson, CDRP, Driggers, RG, Larsen, L & Fanning, J 2007, Sine Wave Contrast Target for Direct View Optics Field Performance Measurements. in Infrared Imaging Systems: Design, Analysis, Modeling, and Testing XVIII., 65430J, Proceedings of SPIE - The International Society for Optical Engineering, vol. 6543, Infrared Imaging Systems: Design, Analysis, Modeling, and Testing XVIII, Orlando, FL, United States, 4/11/07. https://doi.org/10.1117/12.719631

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AB - In this research, a sensor performance measurement technique is developed similar to the Triangle Orientation Discrimination (TOD), but sinusoids are used instead of triangles. Also, instead of infrared systems, the technique is applied to the eye and direct view optics. This new technique is called Contrast Threshold Function Orientation Discrimination (CTFOD) and the result is a "system" contrast threshold function that can be used with Vollmerhausen's Target Task Performance (TTP) metric. The technique is a simple technique that can be measured in the field using a target board where the results provide for the eye, the optics transfer function and transmission, and any atmospheric turbulence effects that are present.

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Sine Wave Contrast Target for Direct View Optics Field Performance Measurements

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