Digital zooming system of high resolution and method therefor

Details Digital zooming system of high resolution and method therefor Digital zooming system of high resolution and method therefor

1996-06-03

1997-09-09

Lee, Michael H.

Television

Camera, system and detail

Combined image signal generator and general image signal...

348561, 348581, 348208, H04N 5262, H04N 974

Patent

active

056661606

ABSTRACT:
A digital zooming system determines subpixel image information by detecting a camera motion component from a dynamic image (pixel images from across more than one image frame), the motion component being generated in an interval less than the standard interval between pixels. The system enhances the resolution of the magnified image by synthesizing the image signal through an IIR filter. This preserves image quality when magnifying the input image by a digital zoom. Accordingly, a high resolution image is obtained, and degradation and noise generated by interpolating the input image are reduced.

REFERENCES:
patent: 5083208 (1992-01-01), Hatanaka
patent: 5307167 (1994-04-01), Park
patent: 5371539 (1994-12-01), Okino
patent: 5493333 (1996-02-01), Hirose
Authors: J.H. Paik, J.K. Paik, J. H. Hwang; Title: A Study on Improving the Resolution of Multichannel Images; Periodical: Proceedings of the 1995 Korean Processing Conference; pp. 211-215.

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