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7619775 |
Image forming system with density conversion based on image characteristics and amount of color shift
An image forming system includes an information processing apparatus and an image forming apparatus. The information processing apparatus performs image generation, color conversion, and extraction...
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7609424 |
Circuit of scanner to perform color space conversion on RGB signal
A circuit of a scanner to perform a color space conversion on an RGB signal. The circuit has several sampling-amplified-offset devices to sample, amplify and compensate potential of an R charge...
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RE40945 |
Increasing scanning resolution through driving system control
A method of increasing the scanning resolution of a scanner through controlling its driving system. By suitably adjusting the timing relationship between motor pulses and exposure pulses, a...
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7599087 |
Method and apparatus for image processing, and a computer product
A programmable image processor capable of realizing a plurality of image formation operations is comprised of an SIMD type data operation processing section, RAMs, memory controllers, and memory...
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7583409 |
Patch codes with improved robustness
A method for encoding information on a printed page includes generating a set of color patches, each having a unique color. The set of color patches is printed. The printed color patches are...
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7573482 |
Method for reducing memory consumption when carrying out edge enhancement in multiple beam pixel apparatus
A method for reducing memory consumption when carrying out edge enhancement in a multiple beam pixel apparatus is provided, wherein Static Random Access Memories and first in first out buffers are...
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7525703 |
Method, apparatus and computer product program for performing shading correction of image processing apparatus
An image reading apparatus includes an abnormal pixel detection device configured to examine a value of standard white image data, which is acquired by reading a white image to be a standard for a...
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7522310 |
Preventing artifacts that may be produced when bottling PDL files converted from raster images
The present invention eliminates undesirable image defects caused during the preparation of pages for printing and folding, known as the bottling process. This is achieved by analyzing image...
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7508978 |
Detection of grooves in scanned images
A system and method locate a central groove in a document such as a book, magazine, or catalog. In one implementation, scores are generated for points in a three-dimensional image that defines a...
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7483174 |
Method, apparatus and system for performing tetrahedral color conversion for image processing
Apparatus, systems and methods for tetrahedral color conversion for image processing are disclosed. In one implementation a system includes memory at least capable of storing and/or holding one or...
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7483170 |
Generation of color measured data from transform-based color profiles
Color measurements are generated from transform-based device profiles for use in a measurement-based color management system. The color measurements is generated by providing device-dependent color...
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7463772 |
De-warping of scanned images
A system includes a stereoscopic camera to generate images of a document, such as a book, that can be converted to a three-dimensional contour of the document. A second camera take a...
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7450268 |
Image reproduction
A method of reproducing an image, comprising:
creating a, or using an already existing, bitmap-input image; finding zones in the input image containing text; determining colors of pixels,...
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7450267 |
Accuracy of color conversion profile
A method for determining lattice points to be referenced to prepare the correspondence defining data, said method including steps of prescribing a smoothness evaluation function which evaluates...
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7439940 |
Passive virtual reality
A method and apparatus for providing, in response to image signals originating in an object space, mixed image signals for providing nonuniform resolution images for stimulating simulated active...
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7433089 |
Image processor
The image processor performs aberration correction processing for correcting aberration due to a photographic lens on input image data obtained from an image optically photographed through the...
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7423652 |
Apparatus and method for digital video decoding
The decoding method is disclosed. The steps of the method includes recording each status of a plurality of data blocks of compressed macroblocks indicated by a first pointer to a first pointer...
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7417774 |
Method and apparatus for selective processing of captured images
Methods and apparatus are disclosed for identifying intended response marks in an optically scanned image of a response sheet having key marks and response targets printed in the same color. Pixel...
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7415670 |
Printer with audio/video localization
A multimedia printing device receives multimedia data, processes it, and outputs it, thereby enhancing the handling and use of such data. In an embodiment, the processed data are output in a...
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7414760 |
Image reader, image reading apparatus, and reading resolution setting method
An image reader including photoelectric transducers each of which converts a light signal into an electric signal, and outputs the signal to a signal line, channel selecting switches each of which...
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7388684 |
Image transfer apparatus
Image data for a page having an amount of data exceeding the capacity of a printer memory is suitably output. A comparison is made among areas of buffer management blocks (TIME) in four data queues...
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7379205 |
System and method for embedding and extracting key information
In accordance with an embodiment of the invention, a method for embedding key information into a printed document is disclosed. The method comprises creating a first section comprising a first ink...
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7375853 |
Image processing apparatus and method
A separating unit determines, for an image data, whether there exists black data, and generates density data from the black data when the black data exists, and generates color data from data other...
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7369283 |
Color image reading apparatus and color image reading method for eliminating or reducing moire
A color image reading apparatus reads an original image by a line sensor through sequentially lighting respective light sources of a plurality of colors with respect to a scan line. An...
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7365890 |
Color processing apparatus and method and image processing apparatus
As a method of calibrating colors other than primary colors such as secondary colors, the contents of an ink color-separation table are reconstructed. However, it is difficult to reconstruct the...
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7355745 |
Document-to-printer color gamut matching
A document-to-printer color gamut matching system enables comparison of at least two color maps in a manner that allows selection of the printer that will result in the best print output....
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7342685 |
Constraint correlation for computer to plate inkjet system
Printing masters are produced by use of an inkjet printing system. The smallest halftone dot size which can be printed by the inkjet printing system is larger than the size of a pixel of the...
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7321447 |
System and method for processing a multi-colour image
A system and method are provided for processing digital multi-colour images for the reproduction thereof on a colour printing and/or copying system. Image dots of marking particles of the...
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7315388 |
Image input/output control apparatus, image processing apparatus, image processing method, data communication apparatus, and data communication method
An image input/output control apparatus includes a control device for controlling input/output of image data with an external apparatus, plural image processing devices for performing predetermined...
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7315385 |
Image processing apparatus and method thereof
Input and output units using different signal processing systems cannot be connected to a single image input apparatus. On the basis of the signal format of image data acquired by the input unit...
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7312891 |
Image processing method and apparatus
When a color reproduction model of a device is generated, colorimetry of a 9×9×9 grid, for example, is performed utilizing equidistant signal values in the color space of the device. Generally,...
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7286819 |
Printing apparatus, print control method, and program product
To improve usability by prevent a print output which is not desired by the user from being outputted, for example, whether an image is outputted when a deterioration state exceeds a specific...
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7265871 |
Image formation processing method and image formation processing apparatus
An image formation processing method for forming an image to be raised with color toners on a raised portion of an expandable toner which is formed on a recording sheet according to an original...
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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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7227671 |
Motion picture watermarking using two color planes
The present invention provides a method for recording a watermark pattern on a color recording medium that forms an image using a number N of colorants, the method comprising the step of forming...
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7218419 |
Image processing method and apparatus, and recording medium
A method that quickly corrects an image without inputting more than a required number of rendering instructions. Input image that contains a plurality of objects, and rendering command statements...
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7202964 |
Determining raster image processor cycle count to fully utilize a printer
Commercial printers operate more efficiently when they run continuously after being started on a print job. Print job image data is processed by a predetermined number of raster image processors...
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7184170 |
Method and apparatus for color management
A color matching system including a database of information describing colorants organized into groups of colorants. A computing device identifies at least one recipe of colorants that can...
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7177049 |
Image reconstruction architecture
Methods and apparatus for reconstructing digitized images are provided that include an image reconstruction path that receives a digitized image and provides a processed RGB or CMYK image that may...
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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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7170647 |
Document processing apparatus and method
A document processing apparatus for segmenting a color document image into regions obtains a binary image by binarizing a color image, and extracts regions having different background colors from...
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7170633 |
Imaging apparatus
In an imaging apparatus such as a digital still camera, a scene is judged with using an image data outputted from an area sensor in a preparation state in which an image displayed on a monitor...
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7161704 |
Image formation apparatus
The image formation apparatus satisfies a user's demand to effectively use a sheet by writing an image to the marginal sheet edge, and prevents that toner is not transferred to the sheet but...
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7145693 |
Image processing apparatus and method
In ink-jet printing apparatuses having a monochrome head which is longer than a color head, if a monochrome image is processed as a color image, the printing speed cannot be improved. Accordingly,...
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7142329 |
Image processing apparatus and method
This invention provides an image processing apparatus which simplifies the circuit arrangement required for edge emphasis correction. For this purpose, the apparatus has a first color conversion...
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7139438 |
Image processing apparatus
An object of the invention is to provide an image processing apparatus capable of extracting a target image portion included in an image targeted for processing with high accuracy, by reducing a...
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7136192 |
Color correction method with improved image translation accuracy
A color correction method utilizes a specially designed, perceptually ordered, intermediate color space and color value information from an original source device image and color value information...
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7133155 |
Method and apparatus for modifying a portion of an image in accordance with colorimetric parameters
A method and apparatus for modifying images. The method includes the steps of analyzing a digital image file of an image so as to identify at least one predetermined colorimetric parameter; and...
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7116452 |
Method of calibrating a scanner to a printer
An electronic representation of the range of color combinations that can be displayed on the monitor is created and printed. The printed representation is then scanned by the scanner. A...
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7116358 |
Image processing circuit of image input device
In image input devices such as digital still cameras, processing is speeded up and power consumption is reduced by arranging in a RPU ( 23 ) performing real time processing of a pixel data from a...
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