Abstract: An apparatus and method thereof adjust tonal characteristics of an image to a printer. The apparatus includes a storage unit storing a color correction scheme using a color gamma curve varying in accordance with variable values comprising locations of first and second internal points on the color gamma curve and a gamma coefficient, and a variable input unit receiving the variable values. The apparatus further includes a tone adjusting unit adjusting the tonal characteristics of the image by reflecting the variable values in the color correction scheme and generating bitmap data as a result of the adjustment of the tonal characteristics, and outputting the bitmap data to the printer.

Abstract: An image processing system including an image processing unit for processing input image data and an output unit for outputting an image processed in the image processing unit. The image processing unit has the function of cutting out a background portion of the image and effecting color specification and further has the function of specifying a method of processing the background portion. When printing the image, the output unit recognizes the background portion on the basis of the color specification and carries out background processing for the recognized background portion on the basis of the specified background processing method. It is possible to prevent visible unevenness of printing from occurring in the background portion.

Abstract: An image processing apparatus for processing image data, obtained from an image sensing unit in which plural sensor chips each having plural pixels are arrayed with an interval of a multiple of a pixel width therebetween, and interpolating image data for the interval. If an abnormal pixel exists, image data of the abnormal pixel is replaced with data in accordance with image data of a pixel adjacent to the abnormal pixel, and thereafter, interpolation is performed for the interval by using image data from a sensor chip adjacent to said interval.

Abstract: An image processing apparatus including an image reading mechanism, a display, a memory, an image processing mechanism, an image creating mechanism, and a controller. The image processing mechanism performs first and second corrections using the plurality of stepped values. The image creating mechanism creates first and second subtractive images based on a first corrected image corrected by the first correction and a second corrected image corrected by the second correction. The controller controls the display to display the input image, the first corrected image, the final corrected image, the first subtractive image, and the second subtractive image in a screen image. A method of image processing and a computer readable data storing medium storing a program for image processing are also described.

Abstract: An image determination apparatus, an image reading apparatus, and an image determining method include a device for cutting a color/monochrome region based on a color saturation value obtained by a predetermined derivation method based on image data, and a device for detecting image errors located in large boundaries of brightness variations including color distortions based on correlations between color saturation and color. When errors are included in the image data acquired by, for example, a color image scanner due to primary color errors at random locations (in particular, color bleeding that occurs as a color distortion in monochrome achromatic color areas), it is possible to extract characteristics from the image data and detect locations in images where color distortions and color bleeding occur without using especially complicated and special compositions to detect where these errors occurred.

Abstract: A method for performing visual calibrations on a color printer. For calibrating relative intensities of colors, a predetermined image is printed by an image output apparatus. A user then selects a bias color and an intensity from a reference. The image output apparatus then adjusts its print engine based on the selection. For density calibration an image is printed, preferably once with a light background, and once with a dark background. The user then selects an adjustment after visually comparing the printed image with a reference image and adjusts the printer by noting whether details are missing from the printed image on the light background image or the dark background image.

Abstract: Disclosed is an image reading apparatus including: an original transporting device for transporting an original; an image reader for reading an image of the original in a first reading region or a second reading region while transporting the original by the original transporting device; and a correcting device for correcting image data read in the second reading region by the image reader so as to give the image data the same white level as image data read in the first reading region based on the ratio of the white level of the second reading region to that of the first reading region.

Abstract: In one embodiment, a scanning device includes a light source configured to selectively illuminate an area of interest and a light sensitive receiver configured to receive light from the light source and generate signals based on the received light. Control logic is configured to power the light source at a power level, generating mid-tone-scan signals at the light sensitive receiver. Calibration logic is configured to determine a calibration factor for a selected pixel based data including the mid-tone-scan signals.

Abstract: Various systems, methods, and programs embodied in a computer readable medium for determining color separation are provided. In one representative embodiment, a method is provided that comprises specifying a number of nodes along a number of ramps in a predefined color conversion space in a computer system. A maximum possible toner deposit is associated with each of these nodes. In addition, a maximum toner limit is specified for each one of the nodes along the ramps in the computer system. Each of the maximum toner limits is less than the maximum possible toner deposit. In addition, a color separation is determined for each of the nodes along the ramps in the computer system. Each of the color separations specifies up to a maximum amount of toner equaling a corresponding one of the maximum toner limits.

Abstract: A hand-held printer assembly includes a print media cartridge configured to store a stack of sheets of print media. A printer is configured to releasably engage with the print media cartridge and print on respective sheets of the print media passing there-through. A print media transporter is arranged to transport respective sheets of the print media from the stack in the cartridge and through the printer during printing.

Abstract: On-demand image delivery server delivering designated image data based on a request from a client terminal with one or a plurality of retrieval items as a retrieval condition inputted from the client terminal, made up by a retrieval function portion, which retrieves one or a plurality of image resource databases, and a retrieval result displaying function portion, which displays on the screen of the client terminal for confirmation of contents of image data subject to delivery, simplified image data of the image data matching a retrieval condition and/or data regarding attached contents-related information.

Abstract: In general, in one aspect, the invention features an apparatus, method, and computer program product for automatically selecting a rendering intent. A device color profile associated with a device is identified. A rendering intent is automatically selected based on the device color profile. A minimum luminance that the device can produce can be determined based on the color profile of the device. A rendering intent can be selected based on the difference between a minimum luminance that an output device can produce and a minimum luminance that an emulation device can produce.

Abstract: A communication apparatus where transmission waiting time for an originating facsimile machine is shortened. A transmitter/receiver section of one of two communication control sections receives a transmission subscriber identification (TSI) signal from the originating facsimile machine. A determination new section extracts an international telephone number from the TSI signal and determines whether or not it coincides with a pre-stored international telephone number. If they coincide, the transmitter/receiver section receives an object signal in succession, otherwise the transmitter/receiver section ends the receiving operation without receiving the object signal.

Abstract: During the device link processing, an original lookup table LUT0 is modified into a modified lookup table LUT1 so that achromatic color value sets B2a will be associated with all the achromatic color value sets B1a. Accordingly, during a color conversion processing, by using the modified lookup table LUT1, any input achromatic color value set B1 in (0, 0, 0, K1 in ) will be converted into an output achromatic color value set B2 out (0, 0, 0, K2 out). In this way, the black-print image part in the input image that is reproduced by black ink only by printer A1 will be maintained as a black-print image part and printed by a printer A2 by black ink only. Thus, the black-print information of the input image can be maintained through the color conversion processing.

Abstract: Even when a color difference diffusion (CD) method which allows high-speed color separation is used, it is difficult to attain preferred color reproduction corresponding to various user's requirements using a small-scale circuit. Hence, a color converter color-converts input image data using a 3D table selected from a plurality of 3D tables, and an interpolation process. A quantization processor obtains error-corrected data by adding error data to the color-converted image data. A dot pattern is selected based on the error-corrected data. The selected dot pattern is output to a print section. The error data is obtained by calculating the difference between a predetermined value corresponding to the dot pattern, and the error-corrected data. The error data is diffused to surrounding pixels.

Abstract: A color conversion definition (CCD) creating method of creating CCD converting coordinate points within a color reproduction area (CRA) of 1st device mediating between an image and image data, in 1st RGB color space, depending on 1st device, into coordinate points within CRA of printing in CMYK color space for printing, has 1st CCD creating step of creating 1st CCD for converting the coordinate points within CRA of 1st device in 1st RGB color space into coordinate points within CRA of 2nd device mediating between an image and image data, in 2nd RGB color space, depending on 2nd device, CRA of 2nd device being closer to CRA of the printing than 1st device, and 2nd CCD creating step of creating 2nd CCD for converting the coordinate points within CRA of 2nd device in 2nd RGB color space into coordinate points within CRA of printing in CMYK color space.

Abstract: 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 the two output devices after providing the gradation matching.

Abstract: A system and method for processing image data generates color image data from a scanned image, the color image data including RGB data, converts the RGB data to CMY data, and translates the CMY data for the pixel to CMYK data. A weighting coefficient is set for a pixel based on the values of the CMY data for the pixel. A particular region in which the pixel is located is identified as a black color region or a non-black color region. The value of the K data for the pixel is altered based on the weighting coefficient if the particular region is a non-black color region.

Abstract: In order to be able to print a prescribed target color with a printing system, the color data of the target color and of the mixed color compounded with parts of the primary colors are compared, and the addition of the parts is varied until adequate similarity has been achieved between the color data of the target color and of the mixed color. In a further step, the mixed color is printed out, the color data of the printed mixed color are identified, and these are compared to those of the target color. Given inadequate similarity, additional parts of the primary colors are added to the mixed color until the respectively printed mixed color has its color data adequately coinciding with the color data of the target color. The mixed color corresponding to the target color is produced from the identified parts and additional parts of the primary colors.

Abstract: In order to adapt the colors of a second printing system to those of a first printing system, the primary colors of the two printing systems that deviate from one another are first identified. Subsequently, the deviating primary colors of the second printing system are adapted to those of the first printing system in that parts of other primary colors are mixed to the deviating primary color to form a mixed primary color until an adequate similarity to the corresponding primary color of the first printing system has been achieved.