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| Number | Title | Issue Date |
| 7612917 | Printing method, device, and program, computer-readable recording medium, printing device control program and method, and printing data generation device, program, and method A printing method includes the step of printing an image of a plurality of pixels by discharging a plurality of size-varying ink droplets each representing a tone of the corresponding pixel. ... | 11/03/2009 |
| 7602530 | Creating high spatial frequency halftone screens with increased numbers of printable density levels A method of controlling a printer to print of an image, the printer having a predetermined marking material printed dot size, the method comprising the steps of rasterizing the image and defining halftone super pixels within the image, calculating the average densit... | 10/13/2009 |
| 7554697 | Image forming apparatus, image forming method, and image forming program An image forming apparatus, for forming an image with using distributions of two or more types of dots having different densities per unit area in a same hue, including: a threshold value matrix; and a dot formation determining section for carrying out comparison be... | 06/30/2009 |
| 7492481 | Image output device The technique of the invention sequentially supplies dot data to multiple dot formation elements, which are actuated to create dots simultaneously on multiple pixel arrays arranged at preset intervals, and thereby completes a resul... | 02/17/2009 |
| 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 color reproducibility is to be maintained for a long period. To accomp... | 10/14/2008 |
| 7409112 | Image displaying apparatus and program product for displaying image To enable a necessary image data to be easily found out based on image sizes of a plurality of index images displayed in a list format and to enable contents of original images displayed as index images to be easily understood, in the case of generating an index ima... | 08/05/2008 |
| 7403309 | Method for producing printed image having 3-dimensional appearance A method for printing images on a substrate wherein the image has a textured, three-dimensional appearance is described. The printing method comprises printing a graphic design consisting of very fine lines having varying width, shape and orientation. This process i... | 07/22/2008 |
| 7365881 | Halftone dot-growth technique based on morphological filtering A method for converting an original halftone bitmap image to a color converted halftone bitmap image. A set of asymmetrical morphological filters is provided. The original halftone bitmap image is segmented into blocks and for each block: apply the set of morphologi... | 04/29/2008 |
| 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 positions, even when the number of recording operations within a specific ... | 03/25/2008 |
| 7330290 | Image forming apparatus An image forming apparatus adds a plurality of dots of image data in the subscanning direction and starts generating a density from a particular pixel, and switches PWM (Pulse Width Modulation) right and left phases in order to concentrate potentials and to increase... | 02/12/2008 |
| 7330291 | Dither mask creating method and creating device In a computer generation of a dither mask for conversion of a continuous-tone image into a halftone image, a pixel array having a size in accordance with the dither mask is partitioned into blocks. Initial pixel values are determined such that the occurrences of pix... | 02/12/2008 |
| 7327380 | Apparatus for printing a multibit image The invention relates to an apparatus for printing a multibit per pixel image (10) from a halftone binary digital bitmap having pixels having a multibit per pixel image memory for receiving the multibit per pixel image; a lookup table (16) external to ... | 02/05/2008 |
| 7310168 | Method and apparatus for controlling a spot function for digital halftoning A digital halftoning technique for controlling a spot function is disclosed. A method for generating a spot for use in halftoning according to the present invention includes defining a spot function that combines two functions selected to provide a predetermined spo... | 12/18/2007 |
| 7309867 | Methods and apparatus for characterization of tissue samples The invention provides methods for determining the probability that a given region of a tissue sample contains tissue of a given category, such as CIN 1 (cervical intraepithelial neoplasia, grade 1), CIN 2/3 (cervical intraepithelial neoplasia grades 2 and/or 3), no... | 12/18/2007 |
| 7282723 | Methods and apparatus for processing spectral data for use in tissue characterization The invention provides methods for processing tissue-derived spectral data for use in a tissue classification algorithm. Methods of the invention comprise application of spectral and/or image masks for automatically separating ambiguous or unclassifiable spectral da... | 10/16/2007 |
| 7280699 | Compressing and restoring method of image data based on dot areas and positions A method for compressing/restoring image data free from degradation of image quality caused by compression/decompression, a method for compressing image data at high compression ratio, and its restoring method are disclosed. In the image data compressing method, ima... | 10/09/2007 |
| 7248753 | Image displaying apparatus and program product for displaying image To enable a necessary image data to be easily found out based on image sizes of a plurality of index images displayed in a list format and to enable contents of original images displayed as index images to be easily understood, in the case of generating an index ima... | 07/24/2007 |
| 7239429 | Method and apparatus for generating dispersed cluster screen A method for generating a dispersed cluster screen defining a stable environment for printing an image is provided. The method initiates with generating a pattern of cluster centroids. Then a cluster growth sequence is defined. Next, a cluster is grown around the cl... | 07/03/2007 |
| 7236218 | Locating device for measuring distances between dots of a light guide plate and method for using same A locating device for measuring distances between dots of a light guide plate includes a sheet having a plurality of reference points marked thereon. The plurality of reference points is configured for locating of the dots during measuring, and a distribution densit... | 06/26/2007 |
| 7224482 | Printer host and storage medium storing operation program of the printer host A printer host has a marginless printing mode designation accepting portion for accepting a marginless printing mode designation, a marginless printing condition setting portion for setting an expand printing region of a size that is larger than a size of actual pri... | 05/29/2007 |
| 7167271 | Image recording apparatus The image recording apparatus has a sharpness correcting device which performs a sharpness correction process on image data supplied from a medical diagnostic image generating apparatus, an electronic scaling device which performs an electronic magnification process... | 01/23/2007 |
| 7151618 | Halftone dot producing apparatus and halftone dot producing program storage medium There are disclosed a halftone dot producing apparatus in which a phase of halftone dots is freely set up in at least one color plate of the color plates. The halftone dot producing apparatus has an image pixel position deriving section for deriving pixel positions ... | 12/19/2006 |
| 7145702 | Image processing method An image data of M-gradations in a pixel is converted into multivalued image data of N-gradations (M>N>2) in a pixel. A remarked pixel converted into the multivalued data is determined whether to be a predetermined gradation TJ (N>TJ>2) in which a tone jump occurs. ... | 12/05/2006 |
| 7130084 | Electrophotographic apparatus and image processing program An electrophotographic apparatus reproduces a picture by expressing a gradation of the picture by use of halftone spots which are each formed by dot pictures within a plurality of pixels. The electrophotographic apparatus has a picture reproducing engine for forming... | 10/31/2006 |
| 7116447 | Halftone dot-growth technique using a dot edge-detection scheme A method for color correcting an original halftone bitmap image by a predefined color correction function to produce a color corrected halftone bitmap image comprising: providing an original halftone bitmap image; estimating the dot area percentage of the original h... | 10/03/2006 |
| 7092124 | Image processing apparatus, image forming apparatus, and image processing method with judging pixels in halftone-dot areas based on isolated pixel counts Disclosed are an image processing apparatus that can decrease image quality deterioration caused by misjudgment of a halftone-dot area when its resolution is beyond an appropriate range etc., in the case where judgment of a halftone-dot area is based on the number o... | 08/15/2006 |
| 7085002 | Defective nozzle compensation An image recording apparatus (2000) is disclosed, which comprises forming elements (2002) for forming an image, a memory (2006) indicating relative desirability of utilising the forming elements (2002) for forming the image, and processin... | 08/01/2006 |
| 7079285 | Efficient rasterizing sub-system for printers Image content may be generated in high resolution by performing raster operations, and half-toning is then performed on the image content. Due to such a sequence, a substantially consistent image may be generated on different printers irrespective of the degree of h... | 07/18/2006 |
| 7075677 | Ink jet fault tolerance using oversize drops A printing method identifies where parts of an image will not be printed correctly due to partial or total device failure and if possible adjusts the size of ink dots in adjacent rows or columns so as to lessen the visual effect of failure to print at the original l... | 07/11/2006 |
| 7069851 | Gravure printing method and gravure printed item This invention provides a gravure printing method and a gravure printed item under application of cells of AM screen and cells of FM screen. The cells corresponding to the letters and the lettering images requiring a dark ink concentration and the like are formed by... | 07/04/2006 |
| 7068278 | Synchronized graphics processing units A graphics processing unit, which includes a clock generator configured to generate a clock signal and a controller coupled to the clock generator. The controller is configured to receive the clock signal, compare the clock signal with a synchronization signal to ge... | 06/27/2006 |
| 7057756 | Image processor, method for processing image, printing apparatus, printing method, program, and storage medium that stores computer-readable program code The present invention reduces the granularity of the dots for the entire density range by optimally setting formation amounts of a low-density dot and of a high-density dot per unit area. For this purpose, the formation amounts of the low-density dot and of the high... | 06/06/2006 |
| 7054027 | Dot-gain calibration system A dot gain calibration system comprising a dot gain measurements database, a network for communicating data between the database and at least one printing location, a dot gain measurement device at the printing location for measuring dot gain on a printed sheet and ... | 05/30/2006 |
| 7046390 | System and method for scaling and enhancing color text images A system and method for scaling and enhancing color text images utilizes a binary scaling and text enhancing technique by first converting an input color text image to a binary image, i.e., black-and-white image. The scaled and text enhanced image is subsequently co... | 05/16/2006 |
| 7038811 | Standardized device characterization The present invention comprises a method of integrating characterization information associated with a target image for use with a color reproduction device wherein a measurement store is obtained that has an entry corresponding to a color patch of a target image, t... | 05/02/2006 |
| 7036897 | Method and apparatus for operating a printer An incremental printer comprising a plurality of printing elements arranged to print different portions of an image, the printer being arranged, prior to printing an image, to identify elements that are not required for printing the image and to implement an element... | 05/02/2006 |
| 7031025 | Combined dot density and dot size modulation A combined dot density and size modulation system uses dispersed dot halftoning in conjunction with dot size modulation to produce a halftone image in which both the density and size of the dots are modulated to control overall gray level. The dot density and size m... | 04/18/2006 |
| 7027190 | Image-processing apparatus, image-processing method and recording medium In an image-processing apparatus, a digital image signal is stored in a memory, and a memory access control part entirely manages all accesses to the memory with respect to the digital image signal. An image processing part converts the digital image signal stored i... | 04/11/2006 |
| 7009729 | Electrophotographic image forming apparatus and image forming program product therefor An electrophotographic image forming apparatus uses a halftone spot consisting of multiple dot images formed in pixel areas so as to represent a gray scale and to reproduce an image. It has a halftone processor for generating image reproduction data for each pixel b... | 03/07/2006 |
| 6999203 | Circuit and method for multi-bit processing of gray scale image in laser beam printer A circuit and method for multi-bit processing of a gray scale image in a printer. In the multi-bit processing circuit, a divider divides the gray component value of each pixel in a multi-bit image by the resolution of the printer and outputs the quotient. A remainde... | 02/14/2006 |
