Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent
1983-04-04
1987-03-17
Shepperd, John W.
Facsimile and static presentation processing
Static presentation processing
Attribute control
358 11, 358 12, 358 85, H04N 1118
Patent
active
046511954
ABSTRACT:
A method and system for translating between three complementary color component slow scan video signals and a composite color slow scan video signal containing a luminance information signal within a visible line interval of each slow scan video signal line and a chrominance information signal within the non-visible portion of each slow scan video signal line. The chrominance information signal includes during the non-visible portions of alternate slow scan video signal lines, a first color difference signal derived by subtracting the luminance information signal from one of three complementary color slow scan video signals and a second color difference signal derived by subtracting the luminance information signal from another of three complementary color slow scan video signals. The three complementary color component slow scan video signals are translated into the composite color slow scan video signal for transmission. Upon reception, the composite signal is translated into the three complementary signals for provision to a three memory slow-to-fast scan converter.
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Robot Research, Inc.
Shepperd John W.
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