Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent
1985-08-16
1986-12-09
Perkey, William B.
Facsimile and static presentation processing
Static presentation processing
Attribute control
358213, H04N 315, H04N 5335, H04N 718
Patent
active
046283528
ABSTRACT:
A device for correcting video signals in order to perform fine scanning of fast signals with a streak camera is completed by a system for correcting nonuniformity of black, nonuniformity of response of the sensing matrix and local defects of the matrix. The corresponding data are stored respectively in three memories. An image memory receives the corresponding corrected signal. Complementary means are provided for correcting nonlinearity of response of the complete chain and geometrical defects of spatial and temporal nonlinearities of the chain elements upstream of the matrix, the corresponding data being stored in two other memories.
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Perkey William B.
Thomson - CSF
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