Patent
1992-03-19
1996-11-19
Zimmerman, Mark K.
395121, H04N 5262
Patent
active
055771742
ABSTRACT:
Method and apparatus for generating a composite three-dimensional video image data signal from first and second three-dimensional image data signals, in which the first three-dimensional image data signal is comprised of a first video data signal and a first depth data signal and the second three-dimensional image data signal is comprised of a second video data signal and a second depth data signal. The difference between the first and second depth data signals is calculated so as to form a difference signal from which a signal representing the sign of the difference signal is generated. Average values are obtained, at a rate corresponding to a pixel processing rate, between the sign signal and the rate of change of the difference between the first depth data signal and the second depth data signal, in which the rate of change is calculated when the sign signal has a predetermined value. The first and second three-dimensional image data signals are combined in accordance with a key data signal which is selected from one of the average values and the sign signal.
REFERENCES:
patent: 4918626 (1990-04-01), Watkins et al.
patent: 5077608 (1991-12-01), Dubner
Frommer William S.
Sinderbrand Alvin
Sony Corporation
Vo Cliff N.
Zimmerman Mark K.
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