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| Number | Title | Issue Date |
| 7620260 | Line thinning method and system for grayscale image A line thinning algorithm (LTA) for a grayscale input image, wherein the LTA is a separable algorithm that performs on each row of input grayscale image sequentially from top to bottom and subsequently on each column from left to right, independently. The LTA is ver... | 11/17/2009 |
| 7443538 | Method of controlling printed line quality A printer embodied rendering algorithm for detecting and configuring positive and negative thin lines to be rendered such that when a bright-colored thin line on a dark background (negative thin line) is rendered and the result is stored in an RGB buffer in a printe... | 10/28/2008 |
| 7408672 | Image processing apparatus, image forming apparatus and image forming method When a print key on a console panel is depressed, a main CPU confirms enlargement/reduction rate information input via the console panel, and then, performs line thinning by setting a line thinning parameter according to the same magnification, an enlargement rate o... | 08/05/2008 |
| 7359553 | Image identification system Methods and procedures for improving the performance and reliability of image analysis within an image identification system include a series of image qualification functions designed to quickly process a fraction of available image data and to provide feedback to a... | 04/15/2008 |
| 7356193 | Detection of hanging wires in digital color images A method of improving a digital color image having pixels, the method includes identifying pixels from the digital color image representing one or more sky regions; detecting sky occlusion regions by examining the sky regions; developing a model based on the identif... | 04/08/2008 |
| 7336396 | Image processing apparatus and image processing method An image processing apparatus extracts a contour pixel of a binary input image signal in a contour pixel extraction portion, and calculates a line thinning amount from the extracted contour pixel based on a preset parameter in a line thinning amount calculation port... | 02/26/2008 |
| 7319549 | Multiple weight error diffusion A method for halftoning includes the steps of defining a first set of weight sets, and defining a second set of weight sets. A first error associated with a first pixel location of a plurality of pixel locations is diffused to a first neighboring at least one pixel ... | 01/15/2008 |
| 7292356 | Printing with reduced outline bleeding The present invention is a printing method of recording an image by forming ink dots on a print medium in one of a plurality of print modes. The method determines the reduction pattern in response to the selected print mode selected from the plurality of print modes... | 11/06/2007 |
| 7274818 | Image forming apparatus A CPU determines whether a generated low-level drawing command is associated with drawing of a gray object and a color value of the gray object is greater than a determination value. If the generated low-level drawing command is associated with drawing of a gray obj... | 09/25/2007 |
| 7269294 | Foreground erosion method and system for Multiple Raster Content (MRC) representation of documents A foreground erosion method is used to meet thin (but unbroken) text requirements using linear YCC segmentation. The method uses a fixed value subtracted from a gray selector signal, thereby thinning/eroding the foreground. In cases where the pixel would be converte... | 09/11/2007 |
| 7256785 | Assigning subpath attributes in a drawing Techniques for assigning a subpath attribute to a subpath in a drawing are disclosed. One technique includes editing the drawing to define a current path having a current subpath, matching a previous vertex in a previous path with a current vertex in the current pat... | 08/14/2007 |
| 7239908 | Assessing the condition of a joint and devising treatment Methods are disclosed for assessing the condition of a cartilage in a joint, particularly a human knee. The methods include converting an image such as an MRI to a three dimensional map of the cartilage. The cartilage map can be correlated to a movement pattern of t... | 07/03/2007 |
| 7209260 | Image processing apparatus The object of the present invention is to use the same FIFO line memory for both enlargement and reduction during variable-magnification processing in the scan direction, allowing reduction in circuit board area, reduction in power consumption, and reduction in cost... | 04/24/2007 |
| 7199888 | Method for enhanced black in draft mode A method of improving black print quality in a color printer having at least one color ink and black ink includes determining a location on a substrate where a black pixel is to be printed, printing a droplet of color ink at the location, and printing a droplet of b... | 04/03/2007 |
| 7200268 | Image processing device An image processing device is structured such that an appropriate judgement of an image, at which blurring or disappearance or the like will occur, is possible. When pixels, which form a line image at which there is the possibility that blurring or disappearance wil... | 04/03/2007 |
| 7194142 | Selective thickening of dark features by biased sharpening filters Processing of a pixel of a digital image includes sharpening a digital image, while boldening dark features in the digital image as a non-decreasing function of local contrast. ... | 03/20/2007 |
| 7184066 | Methods and systems for sub-pixel rendering with adaptive filtering A method, system and computer-readable medium process data for a display that includes color sub-pixels. Pixel data in a first subpixel format is received and converted to sub-pixel rendered data, generating sub-pixel rendered data in a second subpixel format, diffe... | 02/27/2007 |
| 7173660 | Method for displaying an information image on a screen For an image to be displayed on a liquid crystal display, a thinning process is executed to reduce a number of pixels constructing the image. An original image of an information image is produced in accordance with a pixel number of a taken subject image. A low-pass... | 02/06/2007 |
| 7164430 | Anti-aliasing line pixel coverage calculation using programmable shader A system and method for rendering a non-zero thickness line on a pixel-limited output device such that aliasing of the line is reduced. The edges defining a line segment are expanded to insure that any pixel touched by the line segment has its center included in the... | 01/16/2007 |
| 7106347 | Transforming pixel data and addresses In a passive pixel data handling system, pixel data may be transferred to a transfer function, at a given address range. The transfer function may perform a transformation and readdress the pixel data. For example, the data may be received through a media port targe... | 09/12/2006 |
| 7106330 | Drawing comparison apparatus After thinning an input image (drawing), a primitive is extracted. First, a rough primitive is extracted, and then the rough primitive becomes a primitive in a merge-split process according to a greedy strategy. Based on the primitive and the spatial correlation amo... | 09/12/2006 |
| 7102655 | Display method and display equipment A per sub-pixel luminance information-generating unit enters per-pixel luminance information, and generates respective pieces of luminance information on target pixel-forming three sub-pixels using luminance information on the target pixel and an adjacent pixel. A p... | 09/05/2006 |
| 7088459 | Method and system for providing a copy of a printed page A method for providing a copy of a page from a printed document, the document including coded data indicative of an identity of the document and of a plurality of reference points on the document, the method including: receiving, in a computer system, indicating dat... | 08/08/2006 |
| 7064759 | Methods and apparatus for displaying a frame with contrasting text An area within a frame is defined in which text or an image is to be generated. The text or image may also include an optional border surrounding and adjacent to the text or image. In accordance with one embodiment, in order to increase the contrast between the text... | 06/20/2006 |
| 7064862 | Printer and printing method for image-quality correction A printer performs printing after appropriately correcting irregularities, thin-line patchiness, and isolated pixels. A first image-quality corrector unit detects slanting-line irregularities represented by the black and white pixel data generated through binary pro... | 06/20/2006 |
| 7050634 | Method, program product, and device for detecting branch point of random line pattern By a method of detecting a branch point, the branch point in a random line pattern of neovascularization or the like is detected accurately and efficiently. After a binary image is obtained from an original image, noise filling is performed for removing a noise in a... | 05/23/2006 |
| 7044663 | Print method and system to obtain high quality image using less data quantity A printer is permitted to obtain printed matter of high picture quality from print data transferred in the state changed into 1 bit for the purpose of shortening data transfer time. A multi-value conversion unit (23) converts CMYK respective 1 bit binary data... | 05/16/2006 |
| 7034956 | Image processing apparatus capable of freely varying aspect ratio, and image forming apparatus using the same The image processing apparatus outputs both of first image data used to produce a photo-print and second image data used to produce an image file in accordance with the digital image data. The processing apparatus includes a printing magnification determining device... | 04/25/2006 |
| 7031549 | Systems and methods for enhancing tone reproduction The present invention is related to a method for processing a digital image, wherein the digital image comprises at least a gray-scale component. The method may comprise: morphologically filtering the grayscale component to produce a segmentation result; low-pass fi... | 04/18/2006 |
| 7024634 | Display control system causing image on display screen to disappear and reappear in a friendly manner to user The present invention provides a display control system for controlling data which is displayed on a screen of a display unit. The system includes a pointing device for pointing to a position on the screen of the display unit, a deleting unit for gradually deleting ... | 04/04/2006 |
| 6993203 | Image processing apparatus and image processing program An original image is subjected to an opening processing and to a closing processing to obtain a blurred image by using an average value between the result of the opening processing and the result of the closing processing as a reference for correcting the brightness... | 01/31/2006 |
| 6920247 | Method for optical recognition of a multi-language set of letters with diacritics The present invention is a method for recognizing non-English alpha characters that contain diacritics. An image analysis separates the character into its constituent components. The one or more diacritic components are then distinguished and isolated from the base ... | 07/19/2005 |
| 6917361 | Method and system for computing a transverse derivative field along a curve on a surface According to one embodiment of the invention, a computerized method for computing a transversal derivative field along a curve on a surface includes receiving data defining the surface, the surface represented in terms of parameters u and v as S(u,v), and receiving ... | 07/12/2005 |
| 6910190 | Display control system causing image on display screen to disappear and reappear in a friendly manner to user The present invention provides a display control system for controlling data which is displayed on a screen of a display unit. The system includes a pointing device for pointing to a position on the screen of the display unit, a deleting unit for gradually deleting ... | 06/21/2005 |
| 6882740 | System and method for determining a seed vigor index from germinated seedlings by automatic separation of overlapped seedlings A system and method for automatically determining a seed vigor index for a lot of seeds by analysis of a scanned image of a plurality of seedlings grown from lot of seeds, including automatically separating and analyzing overlapped seedlings. According to one aspect... | 04/19/2005 |
| RE38718 | Embroidery data creating device Disclosed is an embroidery data creating device for creating an embroidery data to be used by a sewing machine. In the embroidery data creating device, an image data, which consists of a plurality of pixel data, corresponding to a line-drawn image is converted into ... | 03/29/2005 |
| 6853736 | Image processing apparatus, image processing method and storage medium In order to extract, from an image in which predetermined information is embedded, such predetermined information at a high speed and with high precision, the invention provides an image processing apparatus comprising an input unit for entering an image in which pr... | 02/08/2005 |
| 6813381 | Method and apparatus for identification of documents, and computer product In the document identification apparatus, a ruled line feature extraction section determines a black pixel ratio of a document to be identified, and adds the black pixel ratio for each block to extract a ruled line feature. A ruled line feature verification section ... | 11/02/2004 |
| 6782130 | Rendering of photorealistic computer graphics images A method, apparatus, and system are provided for rendering of photorealistic computer graphics images. According to one embodiment, an image is partitioned into regions, each of the regions having a discontinuity edge, a boundary, edge pixels along the boundary, and... | 08/24/2004 |
| 6775418 | Image processing device and processing method An image processing device detects the correlation between a pixel to be removed in thinning pixel blocks generated by using a delay in horizontal and vertical directions and an adjacent pixel. The device then determines a coefficient corresponding to the correlatio... | 08/10/2004 |
