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7375857 |
Print proofing with color and screen matching
A proof generation method is disclosed for proof printers. The method includes receiving halftoned primary color print data to be printed on a target halftone printing press. This halftoned primary...
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7372597 |
Tonescales for geographically localized digital rendition of people
In a method and system for processing a photographic image having lightness values, L*, representing one of the colorimetric values of an original scene, the photographic image is transformed. The...
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7372595 |
Flexible image rendering system utilizing intermediate device-independent unrendered image data
A flexible, user-friendly computer-implemented image processing system is provided. The system includes a process to receive an image rendering request. The image rendering request includes an...
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7359089 |
Image processing method and apparatus
Provided is an image processing method and apparatus in which drawing objects are collected on a group-by-group basis and rendering is switched between YMCK rendering and RGB rendering to thereby...
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RE40170 |
Multi-tone image processing method and apparatus
A multi-tone image processing method and apparatus in which mutually dissimilar tone levels are realized by changing the additive condition of recording energy by means of different recording...
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7333242 |
Test print producing method and photograph image printing method using the same
The test print procuding method produces a test print by applying image processing to a digital image data representing a photograph image based on a plurality of image processing conditions...
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7333117 |
Method of compensating colors in image display device for users with color vision deficiency and device of the same
Disclosed are a method of compensating colors in an image display device for users with color vision deficiency and a device of the same, enabling the users with color vision deficiency to view...
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7327492 |
Image processing device and image processing method
In a black character detection processing, RGB data read from a line buffer is converted into YIQ data. For a subject pixel, a subject area centered on the subject pixel is set, and a judgment...
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7321450 |
Image processing method, image processing apparatus, and recording medium
According to an image processing method for performing color processing in accordance with a plurality of image objects, image data representing the plurality of image objects is input. The...
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7295344 |
Image processing method and image processing apparatus, program and recording medium, and image forming apparatus
A parameter representing whether an effective density pixel exists in an objective image is calculated. As to each interest pixel in the objective image having one pixel neighboring a downstream...
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7268916 |
Digital image sharpening system
A system and method for sharpening a digital image ( 38 ) having one or more image parameters, for printing with one or more print parameters, and for viewing at one or more viewing parameters, the...
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7253924 |
Method of imaging multiple binary bitmaps in a single pass
A method for printing multiple binary bitmaps ( 10 ) with an original density level ( 12 a ) and a color ( 18 ), wherein the color ( 18 ) is the same for all the multiple binary bitmaps ( 10 ), by...
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7242501 |
Printing information processing device, printing device, printing information processing method and printing system
In a printing process, an image quality identifier is referred to in a packet header of image data. It is determined whether the image quality identifier is ‘1’ or ‘0’, and when the image...
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7239426 |
Image conversion apparatus, and image conversion program storage medium
In an image conversion apparatus converts an input image having a process color component and a spot color component, which is represented by density data for colors, into a halftone dot image...
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7236268 |
Adaptive screening in raster image processing of complex pages
A method of data processing is described for generating a screened bitmap in an adaptive manner. The page being printed is subdivided into a plurality of smaller areas, and the optimal screening...
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7173740 |
Image forming apparatus
This invention provides a system which can obtain the same output irrespective of a reading system by previously storing different parameters used at the image processing times for respective...
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7173734 |
Intercolor bleed reduction in liquid ink printers
A system and method for detecting edge locations where intercolor bleeding would likely be a problem, and reducing the amount of ink printed at those locations. The method operates on image data...
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7145696 |
Print data compression method and printer driver
A printer driver software product is provided for execution by a computer to produce compressed page data corresponding to a page layout. The driver includes instructions to generate...
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7136191 |
Method for inspecting prints
The present invention relates to an automatic print inspection method in which photographic prints are scanned to obtain digitized images. The scanned digitized image of the photographic print is...
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7092120 |
Image transformation apparatus and image transformation program storage medium
An image transformation apparatus for performing a transformation processing for outputting a color image by an image output device such as a color printer. The image transformation apparatus has...
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7085013 |
Image processing apparatus including low-linear-density dot region detection unit, and image forming apparatus including the same
An image processing apparatus includes a maximum/minimum density detecting unit which detects a center pixel of a matrix of N×N pixels in image data that has a maximum or minimum density. A...
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7076086 |
Image inspection device
An image inspection device to automate and simplify inspection of an output image. A paper discharge tray of a printer is a different color from paper. A CCD camera is disposed above a paper...
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7061652 |
Image processing apparatus and method using image information and additional information or an additional pattern added thereto or superposed thereon
Predetermined additional information is superposed as a dot pattern on image information read by an image scanner, and the image information superposed with the additional information is modulated....
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6965462 |
Increased temporal flexibility when performing/applying/reverting calibration for a printer output device
A system for compensating for a calibration drift in an image output device includes a user input means for specifying an output medium. An image output device controller converts original image...
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6965457 |
Image processing apparatus, method, and program for image attribute determination based on orthogonal data
An apparatus for image processing which determines such attributes as screen halftone area, character area and continuous tone area that appear in image data. A wavelet transform circuit wavelet...
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6950210 |
Method and apparatus for adaptively binarizing color document images
A method for binarizing an image that includes initializing, for each column of the image, a first set of variables representing a local column low pixel value and a local column high pixel value,...
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6943918 |
Printer-system, method of printing, and recording medium for implementing the method
A printer-system for printing or recording images using a plurality of dots having different densities. The printer system includes a head for producing at least 2 different types of dots having...
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6919969 |
Method and apparatus for processing
The tincture of an input image is analyzed, and stable, smooth screen angles are assigned in descending order from the most dominant color. When the input image has dot information, like a print,...
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6874003 |
Recording and/or reproducing apparatus, portable recording and reproducing apparatus, data transfer system, data transfer method, and data recording and reproducing method
A recording and/or reproducing apparatus for recording and/or reproducing data to and/or from a recording medium having a data area in which data are stored and a management data area in which...
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6864994 |
High-speed, high-quality descreening system and method
A system and method descreen halftone images into a continuous tone image while preserving edge detail and reducing initial image blur. The descreening can be applied to monochrome or color images....
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6842266 |
Systems and methods that determine an image processing system tone reproduction curve
An image processing system receives image input terminal information and image output terminal information. Based on the content of the image input terminal information and the image output...
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6822758 |
Image processing method, system and computer program to improve an image sensed by an image sensing apparatus and processed according to a conversion process
The present invention relates to an image processing method, apparatus and computer program for improving an image sensed by an image sensing apparatus and processed according to a first conversion...
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6819450 |
Enhanced edge resolution and critical dimension linearity in lithography
A semiconductor fabrication gray level photolithography strategy, in which the energy beam intensities corresponding to each gray level are selected from a set of non-linear, non-monotonic...
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6798537 |
Digital color halftoning with generalized error diffusion vector green-noise masks
Disclosed are two novel techniques for digital color halftoning with green-noise stochastic dither patterns generated by homogeneously distributing minority pixel clusters. The first technique...
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6775030 |
Method of adapting a printing process while maintaining the black build-up
A method of producing a color space transformation, with which the color values of a first printing process can be converted into the color values of a second printing process so that the black...
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6768559 |
Medium on which printing control program is recorded, printing controller, and printing controlling method
The user needs the skill to select a pixel interpolating process and a gradation converting process and it is difficult to select an optimum process adapted to desired printing quality. In a...
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6731402 |
Image processing method and device
From a photosensitive material F, image data S 1 is obtained together with the density Ds of the unexposed portion of the photosensitive material F. On the basis of this density Ds, the optimum...
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5956157 |
Method and apparatus for locally blending gray dot types of the same or different types to reproduce an image with gray level printing
A method and apparatus for reproducing an original image includes a scanner or other image source for generating digitized raw image data for each pixel of an image. For each pixel, the raw image...
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5909537 |
Control method for microfilm image reader
There is provided a control method of a microfilm image reader, in which a scanner reads an image in a frame recorded on a microfilm and supplies image data of the read image to a printer, for...
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5875036 |
Image processing apparatus which separates an image signal according to density level
An image processing apparatus in which a density band separating circuit separates an image signal having different density levels into two areas as determined by a threshold density level. Image...
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5812274 |
Image signal processing apparatus
An image signal processing apparatus to realize signal processing system and apparatus constitution, where an image signal inputted using a photoelectric conversion element such as a CCD or a...
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5748330 |
Method of calibrating a digital printer using component test patches and the yule-nielsen equation
A technique for calibrating the hardware and software of a digital printing apparatus relies on making seven component test patches which completely characterize the printing system, and then...
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5684600 |
Image processor for smoothing and differentiating periodic areas and character areas using coefficients
An image processor performs emphasis processings suitable for materials to be copied to produce clear copy outputs. The image processor has a digitizing circuit which outputs a digital signal...
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5668643 |
Recording apparatus having a text processing mode using a threshold and an image processing mode using a mean valve of pixel data samples as the pixel gradation valve
A reading apparatus and a recording apparatus having the reading apparatus which can reduce storage capacity for storing read data and, because the read data processing modes can be switched...
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5647026 |
Uniformity correction and threshold or halftoning conversion unit and method
The present invention is a system and method that performs a scaling and thresholding operation or a scaling and halftoning operation for each pixel from an image sensor in a single step. The...
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5638463 |
Image-data processing system
A bit-map unit forms a bit map using given image data. A boundary recognizing unit recognizes characteristics of a boundary present between a first type of pixels and a second type of pixels...
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5581358 |
Information recording apparatus with smoothing processing via pixel feature detection and recording density variation and toner conservation
This invention provides an information recording apparatus, which can save the consumption amount of a toner without thinning out an image in units of pixels, and can realize smoothing processing...
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5539843 |
Image processing system
An image processing system wherein for an inputted composite image composed of a line image and a dither image, both a line image processing and a dither image processing are carried out in...
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5493411 |
Image forming apparatus that modulates image density data
In an image forming machine, density data of small pixels in an objective pixel determined according to density of pixels adjoining the objective pixels, the objective pixel determines a recording...
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5475497 |
Two-dimensional display model-based halftoning
A model-based printing method and system for generating halftone output images corresponding to gray-scale-coded input signals. Models for individual two-level (e.g., black on white) printer types...
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