Digital image contour compensation device

Details Digital image contour compensation device Digital image contour compensation device

1996-04-25

1998-03-24

Rogers, Scott A.

Image analysis

Image enhancement or restoration

Image filter

358447, G06T 500, H04N 1409

Patent

active

057321604

ABSTRACT:
A total of 2 N-1 serially connected delay circuits sequentially delay a digital image signal, where N is a positive integer, and a total of N-1 adders each respectively add a pair of delayed signals output from (N.+-.k)-th ones of the 2 N-1 delay circuits, where k is an arbitrary positive integer such that k<N, while a selector is responsible for a boost frequency to select an output signal of one of the N-1 adders. A first multiplier multiplies the selected signal by a first coefficient, a second multiplier multiplies an output signal of an N-th one of the 2 N-1 delay circutis by a second coefficient, and another adder synthesizes output signals of the first and second multipliers.

REFERENCES:
patent: 4672463 (1987-06-01), Tomohisa et al.
patent: 5151787 (1992-09-01), Park

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