Method and apparatus for adaptively producing noise-reduced digi

Details Method and apparatus for adaptively producing noise-reduced digi Method and apparatus for adaptively producing noise-reduced digi

1995-05-19

1997-11-04

Voeltz, Emanuel T.

Boots, shoes, and leggings

348618, 378 986, H03H 2100, H04N 5213

Patent

active

056847203

ABSTRACT:
In a method and apparatus for adaptive noise reduction of digital image sequences an input sequence of images obtained from a subject is subjected to pixel-by-pixel, temporal low-pass filtering, with the sequence of filter coefficients for this temporal low-pass filtering being calculated recursively with reference to a spatially low-pass-filtered prediction error and an a priori probability for the occurrence of motion in the image.

REFERENCES:
patent: 4240109 (1980-12-01), Michael et al.
patent: 4367490 (1983-01-01), Riederer
patent: 5214510 (1993-05-01), Kobayashi
patent: 5442407 (1995-08-01), Iu
patent: 5467380 (1995-11-01), Jonge et al.

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