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Class Information
Number: 358/515
Name: Facsimile and static presentation processing > Natural color facsimile > Color separation
Description: Subject matter wherein a color image signal is decomposed into a plurality of color signals corresponding to each of a plurality of primary colors (e.g., red, blue, and green) before processing.

Sub-classes under this class:

Class Number Class Name Patents
358/517 Color masking 127
358/516 White balance correction 222

Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14

Patent Number Title Of Patent Date Issued
5773818 Digital scanning system having drop-out capabilities and a color drop-out filter therefor Jun. 30, 1998
5764796 Image processing apparatus for and a method of preparing data representing a colour image Jun. 9, 1998
5753906 Color separation using multiple point narrow band illumination from N-colors of light sources May. 19, 1998
5754316 Color correction device for correcting color deviations resulting from color filter characteristics May. 19, 1998
5740333 Image processing method and image processing apparatus for converting an inputted color image into a two-color image Apr. 14, 1998
5734799 Image forming apparatus Mar. 31, 1998
5734484 Image processing apparatus for receiving multicolor image information and generating two-color image information Mar. 31, 1998
5734759 Image reading apparatus for sequentially providing red, green and blue signals during prescan and for reversing the order during reading Mar. 31, 1998
5734802 Blended look-up table for printing images with both pictorial and graphical elements Mar. 31, 1998
5719689 Image processing apparatus Feb. 17, 1998
5712924 Image processing apparatus Jan. 27, 1998
5701182 Color image forming apparatus and method thereof Dec. 23, 1997
5699099 Electronic prepress system including thermal imaging apparatus with multiple color separation modes Dec. 16, 1997
5696610 Color image reader with two-step color dispersion Dec. 9, 1997
5696611 Color picture processing apparatus for reproducing a color picture having a smoothly changed gradation Dec. 9, 1997
5689349 Method and a device for generating printing data in a color space defined for non-standard printing inks Nov. 18, 1997
5675425 Color image reading device having an optical element for creating double images Oct. 7, 1997
5671340 Method of non-overlapping additive color printing Sep. 23, 1997
5648653 Optical filter having alternately laminated thin layers provided on a light receiving surface of an image sensor Jul. 15, 1997
5642208 Image forming system Jun. 24, 1997
5638191 Image forming apparatus Jun. 10, 1997
5619349 CRT calibration device for calibrating display color of a CRT to a color standard Apr. 8, 1997
5609978 Method for producing an electronic image from a photographic element Mar. 11, 1997
5606379 Method for recording and storing color images Feb. 25, 1997
5606431 Video printer Feb. 25, 1997
5596427 Image reading apparatus with A/D conversion and adjustment thereof Jan. 21, 1997
5592309 Multiple lens separation scanner Jan. 7, 1997
5587813 Data transfer device for an image forming apparatus Dec. 24, 1996
5581667 Electronic trapping system for digitized text and images Dec. 3, 1996
5581359 Image processing apparatus and method Dec. 3, 1996
5572599 Monochrome to full color scaleable image processing system for printing systems and machines Nov. 5, 1996
5565994 Multiple separation error diffusion, with cross separation correlation control for color images Oct. 15, 1996
5563724 Color-to-ink transformation for extra-quarternary printing processes Oct. 8, 1996
5563726 Data processor for preventing block distortion for an achromatic image when image data are processed for coding by dividing them into blocks Oct. 8, 1996
5557712 Color map tables smoothing in a color computer graphics system avoiding objectionable color shifts Sep. 17, 1996
5557430 Image processing apparatus generating patterns for colors based on a set relation between colors and patterns and synthesizing patterns with extracted monochromatic information Sep. 17, 1996
5546197 Method and apparatus for generating halftone images with adjusted screen angles Aug. 13, 1996
5528377 Extended density color printing Jun. 18, 1996
5523849 Optimizing edge enhancement for electrographic color prints Jun. 4, 1996
5519514 Color sensor array with independently controllable integration times for each color May. 21, 1996
5506696 Color image reproduction system having color analysis function performed with a neural network system Apr. 9, 1996
5495348 Image processing apparatus and method using analog and digital recording systems and correcting a boundary between color images respectively formed Feb. 27, 1996
5491568 Method and apparatus for calibrating a digital color reproduction apparatus Feb. 13, 1996
5481381 Color image reading apparatus Jan. 2, 1996
5481379 Method for preparing polychromatic printing plates Jan. 2, 1996
5475508 Solid state color imager with on-chip color balance Dec. 12, 1995
5463480 Image processor for output devices which transforms data into acceptable color space Oct. 31, 1995
5448379 Method and apparatus for forming color images by converting a color signal to a further color density signal Sep. 5, 1995
5440652 Method and apparatus for preparing color separations based on n-way color relationships Aug. 8, 1995
5426596 Color signal correction circuit using a second-order correcting formula Jun. 20, 1995

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