Depth-based video combining

Details Depth-based video combining Depth-based video combining

1992-10-13

1994-01-18

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358182, H04N 5262

Patent

active

052803376

ABSTRACT:
A depth-based video combiner that combines two video signals to produce a combined video signal as a function of respective key signals and a priority signal derived from respective depth coefficient signals also combines the respective depth coefficient signals as a function of the respective key signals and the priority signal to produce a combined depth coefficient for the combined video signal to provide smooth depth transitions at intersecting edges between the two video signals. A mix coefficient for the depth coefficient signals is generated from the respective key signals and the priority signal. The mix coefficient signal is used to combine the respective depth coefficient signals to produce the combined depth coefficient signal.

REFERENCES:
patent: 4851912 (1989-07-01), Jackson et al.
patent: 4875097 (1989-10-01), Jackson
patent: 5077608 (1991-12-01), Dubner
patent: 5121210 (1992-06-01), Hirayama

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