Dichromatic reading device

Details Dichromatic reading device Dichromatic reading device

1982-03-02

1984-10-23

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

382 58, 355 4, 358 75, G06K 920, G06K 700

Patent

active

044792425

ABSTRACT:
A dichromatic reading device is disclosed in which the difference is taken between output signals from a first image sensor receiving reflected light directly and a second image sensor receiving the reflected light after being passed through a filter which blocks a specific color component of the reflected light. The difference is converted into a binary signal which provides one color image information and which together with a binary signal obtained from at least the second image sensor and inverted, is NANDed to provide a second color image information.

REFERENCES:
patent: 3209070 (1965-09-01), Sakai
patent: 4023040 (1977-05-01), Weber
patent: 4189224 (1980-02-01), Mawby

Affiliated with

Also associated with

Rating

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

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1602856