Accession Number : AD0669424

Title :   SELECTION OF AVERAGED STANDARD PICTURES,

Corporate Author : FOREIGN TECHNOLOGY DIV WRIGHT-PATTERSON AFB OHIO

Personal Author(s) : Gimelfarb,G. L.

Report Date : 01 AUG 1967

Pagination or Media Count : 27

Abstract : A theoretical study is presented of averaged standard masks for correlation-type automatic readers. Correlation coefficients can be calculated either by optical or electrical correlators. Formulas are developed for the optimum standards, which minimize the error probability, for both cases. When the total number of black elements in the standard is great, the use of the first type standard (optical) yields a much lower error probability. A 'hybrid' circuit is recommended for practical automatic readers.

Descriptors :   (*READING MACHINES, *CORRELATORS), (*PATTERN RECOGNITION, READING MACHINES), CHARACTER RECOGNITION, CORRELATION TECHNIQUES, ERRORS, PROBABILITY, ALGORITHMS, MASKING, RELAXATION OSCILLATORS, USSR

Subject Categories : Computer Hardware
      Bionics

Distribution Statement : APPROVED FOR PUBLIC RELEASE