Image signal processing device for thinning images

Details Image signal processing device for thinning images Image signal processing device for thinning images

1994-06-06

1995-10-31

Groody, James J.

Television

Camera, system and detail

Combined image signal generator and general image signal...

348718, 382232, H04N 5907

Patent

active

054634199

ABSTRACT:
In an image processing device, an analog-to-digital converter (ADC) transforms an image generated by an imaging device and having a high pixel density to a corresponding digital image signal. A YC processor processes the digital image signal to output an image signal in the form of a luminance signal and chrominance signals. A memory controller includes an address generator capable of generating a particular address signal for thinning, or reducing, the image signal. The address signal is fed to a frame memory. When the image signal is written to or read out of the frame memory, an image represented by the image signal is thinned by the address signal. The thinned image data are coded by a compander and then written to a memory card or reproduced by a playback circuit. The reproduced image signal appears on a video monitor or similar display.

REFERENCES:
patent: 4829453 (1989-05-01), Katsuta et al.
patent: 5027214 (1991-06-01), Fujimori
patent: 5043811 (1991-08-01), Yasuhiro
patent: 5343256 (1994-08-01), Kimura et al.

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