Image processing apparatus

Details Image processing apparatus Image processing apparatus

1995-11-15

1998-03-10

Coles, Sr., Edward L.

Facsimile and static presentation processing

Natural color facsimile

Color correction

358518, H04N 146

Patent

active

057267804

ABSTRACT:
In an image processing apparatus of the invention, HVC conversion is performed stably. THat is, an image sensor reads image data of red, green and blue of a document, while a memory stores brightness data V of a color patch. When the image data are converted to a brightness data V and color difference data WR and WB, coefficients used in the conversion of the HVC conversion are calculated by an operator based on the image data of red, green and blue of the color patch read by the image sensor and the brightness data V stored in the memory.

REFERENCES:
patent: 4037249 (1977-07-01), Pugsley
patent: 5313291 (1994-05-01), Appel et al.
patent: 5334992 (1994-08-01), Rochat et al.
patent: 5363318 (1994-11-01), McCauley
patent: 5446543 (1995-08-01), Nakagawa et al.
patent: 5452057 (1995-09-01), Imaizumi et al.
patent: 5581376 (1996-12-01), Harrington

Affiliated with

Also associated with

Rating

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-143874