Did You Know...
...that power steering was invented by independent inventor Francis W. Davis? As chief engineer in the 1920s of the truck division of the Pierce Arrow Motor Car Company, he saw how hard it was to steer heavy vehicles. So that he would be able to keep the profits from his future invention, Davis left his job, rented a small engineering shop in Waltham, Mass., and developed a hydraulic power steering system that led to power steering.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8174741 | Image processing method, program for image processing, and image processing apparatus An image processing method for generating a gradation image, including the steps of: (a) acquiring a coordinate of a start point, a color value of the start point, a coordinate of an end point, and a color value of the end point; (b) setting either the number of pix... | 05/08/2012 |
| 8098413 | Image output apparatus, image output method, computer program and recording medium An image output apparatus supplies output image data including color components of color materials to an image forming apparatus that prints an image represented by input image data using chromatic color material and/or achromatic color material. In a monochrome mod... | 01/17/2012 |
| 7978384 | Image processing system, image processing apparatus, image processing method, and storage medium thereof A construction is achieved at low cost which reduces the loss of gradation in a dark portion of an image that has been subjected to gamma correction in accordance with characteristics of a display. In an image reading apparatus, to make it possible to more finely re... | 07/12/2011 |
| 7859730 | Printer with scanner function, and its control method and control program product When text is taken in with a scanner, the reflection of the light from a sheet of paper, etc. causes a tinge on the sheet of paper. The tinge around each letter is printed as minute dots, and the outlines of printed letters are blurred and the clearness or distinctn... | 12/28/2010 |
| 7777926 | Image processing apparatus and method An image processing apparatus for converting inputted image data to image data in accordance with characteristics of an image forming unit, including: a first gradation correction unit which performs a gradation correction processing of the inputted image data in ac... | 08/17/2010 |
| 7729023 | Image reading apparatus and image reading method An image reading apparatus which is capable of preventing images read from a double-sided original from suffering an in-surface color irregularity on each of images read from the respective opposite sides of a double-sided original and a color difference between the... | 06/01/2010 |
| 7706036 | Color conversion program, apparatus, and method enabling high precision color conversion A one-dimensional LUT has been incapable of color matching. A three-dimensional LUT has been incapable of ensuring a color conversion accuracy enough to reproduce fine changes in color tone on a monochrome image. It has been impossible to suppress a storage capacity... | 04/27/2010 |
| 7602538 | Method and apparatus for image data processing An image data processing method and apparatus for performing image correction processes for a restored image data file obtained from a JPEG-compressed image data file which may prevent block distortions and provide a high quality image. A JPEG-compressed data... | 10/13/2009 |
| 7570402 | Printing method and printing system A printing method for printing an image on a medium according to the present invention includes the following steps: printing a correction pattern based on a first gradation value by ejecting ink from a plurality of nozzles moving in a predetermined movement directi... | 08/04/2009 |
| 7538918 | Toner image forming apparatus including gradation control An image forming apparatus in which an image quality priority mode in which image density adjustment or image gradation control is effected to thereby give priority to the quality of an output image, and a speed priority mode in which gradation control is partly eff... | 05/26/2009 |
| 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 shading correction, on a pixel-by-pixel basis, to determine whether o... | 04/28/2009 |
| 7466464 | Image forming apparatus and image forming method A gradation pattern is printed, the gradation pattern is corrected with a gamma correction table TO based on a result in which the printed gradation pattern is read, the corrected gradation pattern is printed on a photosensitive drum or the like, and a me... | 12/16/2008 |
| 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 image data by setting a gradation conversion parameter based on the ... | 11/11/2008 |
| 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 include discerning whether a particular pattern is visible in the print... | 10/28/2008 |
| 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 smoothness evaluation function for evaluating the smoothness of... | 10/21/2008 |
| 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) having an output gradient number of n on the basis of the following form... | 10/21/2008 |
| 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 |
| 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 control block for performing an inverse gamma correction process on ... | 08/19/2008 |
| 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 tone curve that defines an output pixel value with respect to an input... | 07/29/2008 |
| 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 required, and the computation volume can be greatly reduced. However, when t... | 07/08/2008 |
| 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 color conversion matrices without amplifying sensor noise. Different c... | 07/01/2008 |
| 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 default is judged, when this accumulated result is larger than a threshol... | 07/01/2008 |
| 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 the two output devices after providing the gradation matching. ... | 06/24/2008 |
| 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 holding color information corresponding to a single color component, to a... | 06/24/2008 |
| 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 decomposition is then performed based on the calculated graininess and... | 06/03/2008 |
| 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 handler interpolates a changed value of color in the geometric object in... | 05/20/2008 |
| 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 content of the image. The image types are, for example, a character, a pho... | 05/20/2008 |
| 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 than the black data. A multinarizing unit converts the color data in... | 05/20/2008 |
| 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 transformed image has a gamma as a function of CIE 1976 L*, which inc... | 05/13/2008 |
| 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 gradation conversion characteristics are corrected with the gradatio... | 05/06/2008 |
| 7365743 | Assignments for parallel rasterization Methods and apparatus, including computer program products, to rasterize an image by generating assignments and allocating the assignments among multiple processor threads such that no two processor threads are rasterizing concurrently into overlapping regions of a ... | 04/29/2008 |
| 7362472 | Color error diffusion A method for multi-toning an input digital image having input pixels with two or more color channels to form an output digital image having modified output levels. The method includes producing an error signal for each color channel, combining the error signals to p... | 04/22/2008 |
| 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 device. A reference voltage varying part varies a reference voltage of th... | 04/15/2008 |
| 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, among pixels included in a specific image; a step of identifying a s... | 04/15/2008 |
| 7356190 | Image area extraction method, image reconstruction method using the extraction result and apparatus thereof An image area of interest in an image file can be detected by a method with a relatively light processing load by making a determination using characteristics of a quantization table. Since spatial frequency information, chromaticity information, and a quantization ... | 04/08/2008 |
| 7355753 | Color saturation adjustment A method of adjusting primary color data values including producing color saturation adjusted primary color data values that depend on a relative amount of chroma in the initial primary color data values. ... | 04/08/2008 |
| 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 sheet where the difference between the sheet colors has been corrected. ... | 03/18/2008 |
| 7342593 | Color mapping methods, data signals, articles of manufacture, and color mapping apparatuses Color mapping methods, data signals, articles of manufacture, and color mapping apparatuses are described. According to one aspect, a color mapping method includes providing a spectral model corresponding to a respective image forming device configured to utilize a ... | 03/11/2008 |
| 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 a light beam generated based on an image signal has a recording duty ... | 03/04/2008 |
| 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 of thin lines is prevented. The thinned image data are input to a bina... | 02/26/2008 |
