Patent
1993-10-14
1995-05-30
Jankus, Almis
395128, 395132, 395162, G06T 500
Patent
active
054209692
ABSTRACT:
An image smoothing apparatus includes an image data providing device, an input buffer, a memory control unit, a horizontal mean value computing device, an intermediate stage memory device, a transverse mean value computing device, and an output buffer. The input buffer receives two original pixel data at each time from the image data providing device. One of the original pixel data is an nth pixel data of a ith column scan line, while the other one of the original pixel data is an nth pixel data of a (i+1)th column scan line. The horizontal mean value computing device receives the original pixel data from the image data providing device via the input buffer, and generates a smoothed image signal after all of the original pixel data have been processed. The smoothed image signal from the horizontal mean value computing device is stored in the intermediate stage memory device. The transverse mean value computing device receives the smoothed image signal from the intermediate stage memory device, and generates a final smoothed image signal which is stored in the output buffer after all of the smoothed pixel data have been processed.
REFERENCES:
patent: 5168375 (1992-12-01), Reisch et al.
patent: 5315692 (1994-05-01), Hansen et al.
patent: 5325474 (1994-06-01), Kumazaki et al.
Jih Hwaw-Jang
Lie Ching-Sheng
Jankus Almis
Winbond Electronic Corp.
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