Image acquisition and enhancement method and system

Details Image acquisition and enhancement method and system Image acquisition and enhancement method and system

1995-01-03

1995-10-31

Kostak, Victor R.

Television

Image signal processing circuitry specific to television

Transition or edge sharpeners

348180, H04N 521

Patent

active

054634261

ABSTRACT:
An image enhancement method, wherein video analog signals are provided, a reference analog image is selected and the signals of the image are digitized, the digitized signals are converted to video analog reference signals, the reference signals are synchronized with video analog signals to be enhanced, the converted analog reference signals are subtracted from the video analog signals, and only then the subtracted analog signals are amplified, so as to obtain a sequence of enhanced images, in real time. There is also provided an image enhancement system.

REFERENCES:
patent: 4625240 (1986-11-01), Yablonski et al.
patent: 4928172 (1990-05-01), Vehara et al.
patent: 5226504 (1993-06-01), Webb et al.

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