Image data reading apparatus

Details Image data reading apparatus Image data reading apparatus

1987-02-11

1990-06-12

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

356237, 358106, 382 1, G06K 900

Patent

active

049339834

ABSTRACT:
An image data reading apparatus includes a photoelectric conversion device for converting image data on an original into electric signals, a light source for illuminating the original, a detector for detecting the shading correction values for the light source and the photoelectric conversion device, and an image processor for effecting shading correction on the video data output from the photoelectric conversion device with the shading correction value detected by the correction value detector.

REFERENCES:
patent: 4148065 (1979-04-01), Nakagawa et al.
patent: 4314281 (1982-02-01), Wiggins et al.
patent: 4448526 (1984-05-01), Miyazawa
patent: 4598997 (1986-07-01), Steigmeier et al.
patent: 4648053 (1987-03-01), Fridge
patent: 4652125 (1987-03-01), Bowen et al.
patent: 4659220 (1987-04-01), Bronte et al.
patent: 4691365 (1987-09-01), Nagashima
patent: 4692690 (1987-09-01), Hara et al.
patent: 4701784 (1987-10-01), Matsuoka et al.
patent: 4703442 (1987-10-01), Levine
patent: 4707734 (1987-11-01), Labinger et al.

Affiliated with

Also associated with

Rating

Image data reading apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Image data reading apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Image data reading apparatus will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-623459