Picture processing apparatus

Details Picture processing apparatus Picture processing apparatus

1989-09-08

1992-03-31

Razavi, Michael

Image analysis

Histogram processing

For setting a threshold

340747, 358 81, G06K 948

Patent

active

051014408

ABSTRACT:
A picture processing apparatus in which edges of an input picture are detected by an edge detecting circuit to form edge detection data, which then are transformed so that a histogram of the edge detection data becomes substantially flat, and in which a so-called line picture is displayed on the basis of the transformed edge detection data.

REFERENCES:
patent: 4677574 (1987-06-01), Kausch
patent: 4691366 (1987-09-01), Fenster et al.
patent: 4736515 (1988-04-01), Ozaki et al.
patent: 4862388 (1989-08-01), Bunker

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