H - Electricity – 04 – N
Patent
H - Electricity
04
N
350/1
H04N 17/00 (2006.01)
Patent
CA 1222815
Title: Method and apparatus for determining the image transfer quality of an imaging system. Abstract of the disclosure: A method of, and apparatus for, determining the image transfer quality of an imaging system on the basis of the signal-to-noise ratio. A reference pattern comprising at least two different portions is presented to an input of the system. One portion provides a television output signal which is a measure for the noise, and another portion provides a television output signal comprising the same amount of noise in a combination with an image signal component. The television output signals are compared to determine the signal-to- noise ratio.
448062
Geluk Ronald J.
Mook Adrianus
Fetherstonhaugh & Co.
N. V. Optische Industrie "de Oude Delft"
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