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7450776 Gradation attributes control according to characteristics of image  
A gradation attributes correcting device to correct gradation attributes of an input image signal includes a brightness gradation correcting unit to correct gradation attributes with respect to...
7450280 Image processing apparatus, computer product, and image processing method  
An image-quality-mode receiving unit receives a selection of an image quality mode for forming an image based on image data. A first gradation converting unit performs a gradation conversion of the...
7450266 Color cast reduction system and method  
In one embodiment, a print system includes an anticipated ambient lighting selector to allow selection of an anticipated ambient lighting. A rendering module is configured to map a print job into...
7446901 Conforming output intensities of pens  
A linearization data structure is generated for a pen, in view of another pen, for conforming output intensities of the pen to output intensities of the other pen.
7446900 Generating a target curve and generating a calibration curve  
A calibration target curve with less error is provided even when the number of points to be edited of the calibration target curve is small. An efficient and accurate method for editing or...
7443537 Methods and apparatuses for printer recalibration  
A test pattern printed by a printer is assessed—without colorimetric equipment—to provide data used in recalibrating the printer. The assessment may be made by an unskilled operator, and can...
7440142 Image processing system with multi-valued processing  
An image processing system receives an input gradient number m, input image data I(x,y) whose input gradient number is m, and an output gradient number n and calculates output image data O(x,y)...
7440135 Determining method for lattice point for correspondence definition data creation and image processor  
It used to be difficult to determine representative colors which allow color conversion with accuracy throughout color spaces without occurrences of local tone jump. An ink quantity lattice point...
7436545 Method of forming image, image forming apparatus, and program for carrying out the method  
If an ink for a particular color (for example, red) having an excellent color developing characteristic is used in addition to inks for three primary colors of subtractive color mixture, the high...
7414598 Apparatus and method for driving plasma display panel  
Disclosed herein are an apparatus for driving a plasma display panel in which the capability to represent the gray scale can be improved, and method thereof. The apparatus includes an inverse gamma...
7406213 Image processing apparatus and method, and computer program  
A representative point for pixel value adjustment at which the same pixel value is to be set is selected from each of a correction image to be corrected and a reference image of a mosaic image. A...
7397483 Image data conversion using interpolation  
In tetrahedral interpolation suitable for data conversion implemented by digital computations, when the unit rectangular hexahedron is a regular hexahedron, no complicated multiplication is...
7394929 Digital picture image color conversion  
A computer method for transforming a sensor color space of a digital image to standard color space. The color pixels in the sensor color space digital image are grouped and multiplied by multiple...
7394561 Image forming apparatus  
In the present invention, in a color copy machine, original modes of copy job units, and setting changes of sharpness adjustment, whose updates are permitted beforehand, are totaled, change of...
7391903 Image processing method, image processing program and image processing processor for interpolating color components  
An image processing method for converting a first image, which is expressed in a colorimetric system made up of a plurality of color components and is constituted of a plurality of pixels each...
7391545 Color matching method  
There is provided a method of providing color matching between two output devices, which includes providing gradation matching between the two output devices, and providing color matching between...
7382493 Image processing for optimal color density decomposition based on calculated graininess and equiluminance contours  
Graininess and calorimetric values of color patches formed by an image generating system using dark and light colored recording agents are input to calculate equiluminance contours. Color density...
7376268 Image processing apparatus for transmitting image data to an external device  
The image data corresponding to an image is separated into areas corresponding to contents of the image. The image data in each of the area is subjected to an image processing specific to the...
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...
7375850 Image output apparatus, method of controlling the image output apparatus, and image output system  
Using a drawing engine, a printer subjects image data to color matching processing into its own device color space. If the image data is a geometric object having a change in color, a gradation...
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...
7369285 Method of processing image  
An attentional portion to be corrected in gradation of an image is specified, and a gradation corrective function with respect to a density of the specified attentional portion is generated. Preset...
7359100 Image correction method, program, and apparatus  
An image correction method of this invention includes a step of identifying a first pixel that satisfies one of predetermined conditions as to a pixel level, which are set for each color component,...
7359099 Image reading device and image forming apparatus  
An image reading device includes a photoelectric device provided with an empty transfer part. An A-D converter performing A-D conversion on an output signal for each pixel of the photoelectric...
7345798 Method of and apparatus for correcting color of print medium, and proofer used therein  
Even if the color of a print sheet to be actually used for printing is lighter than the color of a sheet according to a given standard printing profile, a printer outputs a proof on a dedicated...
7339697 Apparatus for and method of recording image based on detected recording duty ratio  
The intensity of a light beam is controlled accurately depending on an image to be recorded on a photosensitive medium. An apparatus for recording an image by scanning a photosensitive medium with...
7336395 Data conversion system, image processing and image forming apparatus  
Disclosed is a system of image data conversion, capable of setting conversion characteristics with more ease even for data having mixed image attributes, and of reducing the amount of data and the...
7336390 Method and apparatus for reducing multi-bit image data  
Input pixels are input to a thinning processing circuit. When thinning is performed at the thinning processing circuit, minimum values are selected in order to reduce the pixel data, whereby loss...
7327506 Correction circuit  
A correction circuit for correcting pixel signals, comprising: a first memory for storing signals obtained by executing decimation process; a calculating circuit for calculating a correction value...
7324702 Image processing method, image processing apparatus, image recording apparatus, program, and recording medium  
An image processing method for subjecting captured-image data outputting from an image-capturing device to an optimization processing for appreciation to produce viewing image referred image data....
7324239 Image forming device capable of preventing print overrun  
Print data received from a host computer is divided into five bands, and expansion time required for expanding the print data is estimated. If it is determined based on the estimated expansion time...
7324238 Image processing apparatus, method of setting tonal gradation conversion characteristics, and computer program  
Four test patterns are concurrently displayed on a display of a computer. The test patterns include respective backgrounds and contrast areas. The test patterns, different from each other in pixel...
7315657 Image processing apparatus, image processing method, computer program and storage medium  
An image processing apparatus includes a determination part, an information obtaining part, a dynamic range setting part and a processing part. The determination part determines whether or not an...
7307754 Density control method for image control apparatuses and image forming apparatus capable of executing the method  
There is provided an image forming apparatus which is capable of quickly performing measurements required for obtaining a proper image density. The image forming apparatus having a plurality of...
7292370 Image processing device and method  
In order to achieve to adjust saturation of an image without leading to a deterioration in image quality, there is provided an image processing device and method in which a conversion data has a...
7289127 Multi-conic gradient generation  
Disclosed herein is a technique for computing a complex gradient using multiple conics. In connection with a computer system having a graphics processing unit (GPU) in addition to the normal...
7283139 Image processing device for transmitting color with fidelity and product selling method using the same  
An image processing device ( 1 ) provides a client device ( 3 ) with a first test pattern image, acquires the results of evaluation concerning distinguishability of the image by human eyes,...
7268919 Image data processing apparatus, method, and program that diffuses gradiation error for each pixel in target block  
There has been a demand to accelerate image data conversion through the use of the error diffusion method. To convert image data, it is determined whether a specified block process condition is...
7259888 Image file bit depth expansion and subsequent manipulation  
The present invention addresses the reformatting of a digital “ready to print” data file into a continuous tone (32 or 24 bit) file whereby discrete values in the tone range are uniquely...
7251056 Image processing apparatus, image processing method and information recording medium  
A subject area extracting unit extracts a main-subject area from the color image data; a correction amount calculating unit calculates a gradation correction amount based on the information on the...
7245751 Gradation processing method  
A method of creating a gradation curve for gradation processing of a medical image represented by a digital signal representation to generate a gradation processed image wherein the shape of the...
7240128 Data processing apparatus and data processing method that generates a final class code  
An integrated processing box performs processing commonly to a plurality of input devices, a plurality of output devices, or a plurality of storage devices. For example, the integrated processing...
7236276 Image forming apparatus and image forming method  
A gradation pattern is printed, the gradation pattern is corrected with a gamma correction table T O based on a result in which the printed gradation pattern is read, the corrected gradation...
7230225 Image reading apparatus having an image sensor unit  
There is disclosed an image reading apparatus having an image sensor unit. The image sensor unit may include a number of photodiode arrays. The photodiode arrays may have different qualities and...
7221476 Picture image processing apparatus and method, and picture processing system  
A picture image processing apparatus is provided with a hue calculating portion for calculating a hue pixel by pixel based on RGB data, a first sampling portion for sampling pixels having a hue...
7209263 E-mail transmission apparatus, e-mail transmission method and e-mail transmission program  
A technology for use in an e-mail transmission apparatus capable of preventing or discovering ‘impersonation’ in e-mail transmission efficiently, in which an e-mail is sent not only to a...
7206097 Patch measurement device and printing apparatus incorporating the same  
There is provided a patch measurement device which, even if the position of a patch in a control strip printed on a printed material is incorrectly detected, does not affect the controlling of the...
7199900 Color conversion coefficient preparation apparatus, color conversion coefficient preparation method, storage medium, and color conversion system  
An LUT 1 preparation section 1 and an LUT 2 preparation section 2 prepare an LUT 1 and an LUT 2 for producing linear output from first raw data or second raw data. Using the LUT 1 and LUT...
7196817 Printing of digital images using reduced colorant amounts while preserving perceived color  
A method for modifying an input digital image having an (x,y) array of image pixels, each image pixel having an input code value for each of four or more color channels, to produce a depleted...
7190485 Method for multilevel printing of digital images using reduced colorant amounts  
A method for modifying an input digital image having an (x, y) array of pixels, each pixel having an input code value for one or more color channels, wherein said input code value has a nonlinear...
Matches 1 - 50 out of 331 1 2 3 4 5 6 7 >