Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent
1977-03-04
1979-04-10
Martin, John C.
Facsimile and static presentation processing
Static presentation processing
Attribute control
358 80, H04N 146, H04N 9535, H04N 904
Patent
active
041491858
ABSTRACT:
Apparatus is disclosed for conversion of black and white video signals to color video signals, featuring programmable means for animated adjustment of the coloring of one or more areas of the resulting TV picture. The black and white video signal is processed through a luminance channel and two color information channels, the apparatus providing means for modifying the video signal in each channel in accordance with one or more operator-determined transfer functions, each channel further providing means for further modifying the function-modified video signals as a function of area signals generated by separate sources. The function and area-modified video signals are summed in each channel to provide the required 3 signals for a composite video signal. The process of this invention is carried out by the operator making function selections, the selected plurality of separate functions being chosen to modify color components in accordance with operator choice. Area-modifying signals are also selected, either from direct operator-controlled sources or from a variety of automated sources under operator control, the area signals being time variable so as to provide animated selected coloring.
REFERENCES:
patent: 2790844 (1957-04-01), Neugebauer
patent: 2799722 (1957-07-01), Neugebauer
patent: 3848856 (1974-11-01), Reeber et al.
patent: 3971068 (1976-07-01), Gerhardt et al.
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