Edge-Response Functions, Line-Spread Functions, And Point-Spread Functions Corresponding To Electro-Optical Modulation Transfer Functions Of The Form EXP-(f/fc)n

C. B. Johnson

doi:10.1117/12.953592

16 April 1973 Edge-Response Functions, Line-Spread Functions, And Point-Spread Functions Corresponding To Electro-Optical Modulation Transfer Functions Of The Form EXP-(f/fc)n

C. B. Johnson

Author Affiliations +

Proceedings Volume 0032, Developments in Electronic Imaging Techniques II; (1973) https://doi.org/10.1117/12.953592
Event: Developments in Electronic Imaging Techniques, 1972, San Mateo, United States

Abstract

The modulation transfer functions (MTFs) of many optical and electro-optical imaging devices have the form (Ref. 1); T(f) = exp -(f/fc)n (1) where T(f) is the MTF, f is the spatial frequency in cycles/mm, fc is the frequency constant in cycles/mm, and n is the MTF index. It is usually possible to find values for the two MTF parameters fc and n such that the measured MTF agrees with equation (1) to within +0.05. Electro-optical devices have been classified (Ref. 2) in terms of the MTF parameters associated with each device. Now it is found that it is possible to extend this method of classification to optical devices and image transfer/display systems. In addition, the edge-response functions, line-spread functions, and point-spread functions associated with MTFs of this form are described, and the transformation equations are given.

Citation Download Citation

C. B. Johnson "Edge-Response Functions, Line-Spread Functions, And Point-Spread Functions Corresponding To Electro-Optical Modulation Transfer Functions Of The Form EXP-(f/fc)n", Proc. SPIE 0032, Developments in Electronic Imaging Techniques II, (16 April 1973); https://doi.org/10.1117/12.953592

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