Patent
Recording Control Device, Recording System, and Recording Control Method
Murata Masahiro
- 07 Oct 2010
3
TL;DR: In this paper, a host computer 2 is connected to a printer 3 that records on a recording medium using the four ink colors CMYK, and a printer driver 10 generates a new lookup table based on these set density values and values in a lookup table, and causes the printer 3 to print based on the resulting new lookup tables.
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Abstract: A recording control device can adjust the recording density without causing color shifting when recording images using chromatic and achromatic inks. A host computer 2 is connected to a printer 3 that records on a recording medium using the four ink colors CMYK, and has a printer driver 10 that converts an image to be recorded to ink volume values using a lookup table for converting coordinate values of an input color model to ink volume values in a CMYK ink color model, and causes the printer 3 to record the image to be recorded according to this ink volume information. When the black dot recording density for parts that are printed on the recording medium using black and the color recording density of parts that are printed a chromatic color are set, the printer driver 10 generates a new lookup table based on these set density values and values in a lookup table, and causes the printer 3 to print based on the resulting new lookup table.
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Citations
Patent
Method and system to modify a color lookup table
Peter Morovic,Jan Morovic,Jordi Arnabat Benedicto,Manuel Angel Albarran Moyo +3 more
- 21 Oct 2011
TL;DR: In this paper, a modified color lookup table (CLUT) based on an original image, a profile connection space (PCS) image, and an adjusted image is presented.
10
Patent
Image Processing Device, Image Processing Method, And Recording Medium Storing A Program Executed By Image Processing Device
Masahiro Murata
- 27 Jan 2012
TL;DR: In this article, an image processing device adjusts black separately from chromatic colors and applies density adjustment capable of controlling the amount of color material according to the density of the input image.
6
Patent
Image processing that generates and density corrects ink amount data
Masahiro Murata
- 27 Jan 2012
TL;DR: In this paper, an image processing device adjusts black separately from chromatic colors and applies density adjustment capable of controlling the amount of color material according to the density of the input image.
References
Patent
Determination of ink ejection amount error for a printer
Yamazaki Satoshi,Toshiaki Kakutani +1 more
- 29 Apr 2008
TL;DR: In this paper, a plurality of same ink nozzle arrays are provided, and multiple color patches are printed with mutually different dot recording rates respectively using one of the same Ink nozzle arrays.
28
Patent
Reduction of dependence of color appearance on light source
Yamamoto Yuko
- 22 Feb 2002
TL;DR: In this paper, a look up table LUT with specific gray reproduction characteristics is used for converting RGB image data to multi-tone data of ink colors, such that the color difference ΔE of a gray color area with an arbitrary tone level in the L*a*b* color system is kept at about 4 or less.
28
Patent
Production of profile
Takashi Ito,Yoshifumi Arai +1 more
- 02 Aug 2006
TL;DR: In this paper, a method for producing a profile specifying the correspondence relationship of values in different color spaces, including a step of acquiring a first correspondence relationship that is a correspondence relationship consisting of a plurality of ink amounts and color values, is presented.
20
Patent
Image forming device
Ohta Yasunori
- 14 Jul 2005
TL;DR: In this article, an image forming device is provided with a guide plate for guiding while the recording material comes into contact with the guide plate on an opposite surface of a recording side.
16
Patent
Method of adjusting process black and a driver thereof
Sun-hae Jung,Myoung-jin Oh +1 more
- 11 Jun 2003
TL;DR: In this paper, a method of adjusting process black and a driver thereof is presented, where a user can arbitrarily adjust a ratio of process black to obtain a more natural output image.
10