Image analysis – Image enhancement or restoration – Edge or contour enhancement
Patent
1995-11-02
1998-05-19
Coles, Sr., Edward L.
Image analysis
Image enhancement or restoration
Edge or contour enhancement
382264, 358447, 358462, 358456, H04N 140
Patent
active
057547084
ABSTRACT:
An apparatus for and a method of reliably detecting a very small dotted image area. A detecting area including a predetermined number of pixels including a target pixel is set. It is judged whether or not the detecting area belongs to a dotted image area on the basis of the number of edge pixels in the detecting area. Consequently, it is possible to detect edges peculiar to the dotted image area on the basis of a leading edge portion or a trailing edge portion of the density, to detect the very small dotted image area on the basis of the number of edge pixels.
REFERENCES:
patent: 4893188 (1990-01-01), Murakami et al.
patent: 4903316 (1990-02-01), Hongo et al.
patent: 5014124 (1991-05-01), Fujisawa
patent: 5177795 (1993-01-01), Tanioka et al.
patent: 5392139 (1995-02-01), Murata
patent: 5410619 (1995-04-01), Fujisawa et al.
patent: 5448651 (1995-09-01), Sakou et al.
patent: 5477335 (1995-12-01), Tai
patent: 5568571 (1996-10-01), Willis et al.
patent: 5617485 (1997-04-01), Ohuchi et al.
patent: 5680479 (1997-10-01), Wang et al.
English Abstract for Japanese Patent Appln. No. 60-178775.
European Search Report.
Fujimoto Masaya
Hayashi Shinji
Kumamoto Hidechika
Coles Sr. Edward L.
Lee Fan
Mita Industrial Co. Ltd.
LandOfFree
Dotted image area detecting apparatus and dotted image area dete does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Dotted image area detecting apparatus and dotted image area dete, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dotted image area detecting apparatus and dotted image area dete will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1861913