Image processing device for microfilm reader

Details Image processing device for microfilm reader Image processing device for microfilm reader

1994-02-22

1995-10-10

Boudreau, Leo H.

Image analysis

Image enhancement or restoration

Artifact removal or suppression

348112, 382284, 382311, G06K 900

Patent

active

054577535

ABSTRACT:
An image processing device for a negative microfilm reader for easily and precisely designating areas of black frames to be erased. In a microfilm reader having an image reader for reading enlarged projection images of a negative microfilm, an image processor for processing image signals, and a display means for displaying the processed images with black and white reversed, the device comprises area input means for inputting the areas of black frames in the images displayed on the display; and a black frame erasing means for erasing the areas of black frames thus input on the display and outputting the required image with areas of black frame erased.

REFERENCES:
patent: 4380776 (1983-04-01), Smith et al.
patent: 4807041 (1989-02-01), Kishi et al.

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