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Original Articles

The 12th Renwick Memorial Lecture Scientists’ Ways of Thinking About Definition

Pages 138-147 | Received 13 Oct 1959, Published online: 22 Jul 2016
 

Abstract

Most of the recent ideas for the quantitative estimation of definition are based on the possibility of analysis of the subject photographed into sine-curve components. This has led to the use of frequency response of the lens and film as a measure of the defining power of the system. The importance of granularity as a limitation of definition was first recognized in the case of resolving power and has been further emphasized by the application of information theory to photography.

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