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| Number | Title | Issue Date |
| 8072650 | Automated focus adjustment using a varying light pattern Systems and methods for automatically focusing an image capture device on a page of a document object. A predetermined light pattern is projected onto the page being imaged. The light pattern varies as a function of the separation of the page being imaged from the e... | 12/06/2011 |
| 7710612 | Method of effacing zipper image A method of effacing zipper image, applicable to scan a document by a scanner with a stagger charge-coupled device. The nth (n is a positive integer) pixel value obtained by scan on a scan line at which the zipper image is produced is subtracted by the (n+1)th pixel... | 05/04/2010 |
| 7605951 | Image reader, image forming and reproducing apparatus, and image reading method An image reader comprises an image sensor configured to receive a light beam reflected from an original to be read and output an analog pixel signal corresponding to a light quantity of the received light beam; a variable-gain amplifier configured to amplify the ana... | 10/20/2009 |
| 7428077 | Electronic device controller, and method for controlling electronic device An electronic device controller includes an image sensor controller that controls an image sensor having an effective pixel region and a dummy pixel region, and a servo controller that performs servo control on a drive device that drives a carriage on which the imag... | 09/23/2008 |
| 7379210 | Image processing apparatus, image forming apparatus, and image processing method It is intended to provide an image processing apparatus capable of precisely discriminating a halftone dot region and a figure such as a character arranged on the halftone dot region and applying appropriate image processing to the halftone dot region and the charac... | 05/27/2008 |
| 7373015 | Image processing device and method In an image processing method for reducing an input image while preventing moire without deterioration of image quality, presence/absence of periodicity is detected for each pixel on the input image, and if there is periodicity, an image period is detected (S4 | 05/13/2008 |
| 7373019 | System and method for providing multi-sensor super-resolution A super-resolution enhanced image generating system is described for generating a super-resolution-enhanced image from an image of a scene, identified as image g0, comprising a base image and at least one other image gi, the system comprising a... | 05/13/2008 |
| 7372461 | Image processing apparatus and method of same An image processing apparatus able to decrease the number of minute unit graphics, able to achieve an improvement of performance of graphics drawing processing, and able to efficiently generate images, provided with a triangle generator for receiving vertex data fro... | 05/13/2008 |
| 7369273 | Grayscale mistracking correction for color-positive transparency film elements In a color image transformation method and system, a photographic color-positive transparency media bearing a captured image is transmission scanned to provide a scanned image. The scanned image has an overall cyan-blue color balance and has grayscale mistracking re... | 05/06/2008 |
| 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 |
| 7358941 | Image display apparatus using current-controlled light emitting element A pixel circuit includes a driver element that is supplied with a potential from a data line. The driver element controls a value of current passing through an electric light emitting element. Upon obtaining a threshold voltage, a conductive member connected to the ... | 04/15/2008 |
| 7349128 | Image scanner and peak detecting processing method of image scanner A sheet image scanner of the present invention has plural image sensors to output electric signals by detecting optical image data that are obtained by applying a light from a light source to documents, amplifiers to amplify outputs from the plural image sensors, an... | 03/25/2008 |
| 7350176 | Techniques for mapping to a shared lookup table mask Techniques for combining lookup tables on a programmable integrated circuit are provided. Lookup tables (LUTS) in a design for a programmable circuit can be combined into one mask if they implement the same function. Any two LUTs in a design can be compared to deter... | 03/25/2008 |
| 7343617 | Method and apparatus for interaction with hyperlinks in a television broadcast A system and method of adding hyperlinked information to a television broadcast in which an interactive content icon is used. The broadcast material is analyzed and one or more regions within a frame are identified. Additional information can be associated with a re... | 03/11/2008 |
| 7336302 | Frame memory device and method with subsampling and read-out of stored signals at lower resolution than that of received image signals A frame memory device is employed in a digital camera, for example, to output raster-scanned digital color image signals at lower resolution than that of original image signals. The order of sequentially received original raster-scanned digital color image signals i... | 02/26/2008 |
| 7333110 | Adjusted stroke rendering Methods and apparatus implementing and using techniques for rendering a stroke (e.g., a line or glyph). An initial adjustment value can be calculated for the stroke, and an offset amount calculated based on the initial adjustment value, such that a minimum number of... | 02/19/2008 |
| 7330594 | Image enhancement or correction software, method, apparatus and system for substantially minimizing blur in the scanned image Three-dimensionally reconstructed images are not ideal due to blur or smear that is caused by various sources in an X-ray CT scanner. In order to substantially minimize the blur in the three-dimensionally reconstructed image, a known PSF is weighed according to a co... | 02/12/2008 |
| 7324235 | Imaging apparatus capable of efficient management of page memory An imaging apparatus acquires image information while analyzing the image information into pixel data of multiple color components, and reproduces an image from the image information. The imaging apparatus comprises a memory region reservation unit that reserves mem... | 01/29/2008 |
| 7321699 | Signal intensity range transformation apparatus and method A system and method for manipulating image data is disclosed. Generally, the system and method identifies useful grey-levels within an input image. The image is then scaled based upon the identified useful grey-levels. ... | 01/22/2008 |
| 7319787 | Automatic contrast enhancement A method of automatic contrast correction comprises providing digital image data, representing the data in the form of a brightness histogram, determining a measure of central tendency for said histogram, adding a shift value to the measure of central tendency to pr... | 01/15/2008 |
| 7317842 | Global and local statistics controlled noise reduction system A global and local statistics controlled noise reduction system in which the video image noise reduction processing is effectively adaptive to both image local structure and global noise level. A noise estimation method provides reliable global noise statistics to t... | 01/08/2008 |
| 7302112 | Contour-emphasizing circuit An edge enhancement circuit uses bandpass filters to separate an original video signal into low-, middle- and high-frequency band edge components which will be supplied to waveform shaping circuits. Each of the waveform shaping circuits detects an amplitude peak lev... | 11/27/2007 |
| 7277206 | Fine moire correction in images A method for reducing image noise in a digital image including establishing image data of image pixel values; specifying a local virtual surface patch; fitting the local virtual surface patch to the image data; using the local virtual surface patch to estimate a pal... | 10/02/2007 |
| 7277203 | Method of improving start-up behavior for color error diffusion digital half-toning A method for initializing a printing system using error diffusion is discussed. In application of the invention to color printing systems, the method initializes a first error buffer with a first set of seed values and then initializes at least one other error buffe... | 10/02/2007 |
| 7277118 | Method and system for compensating for parallax in multiple camera systems A camera array captures plural component images which are combined into a single scene. In one embodiment, each camera of the array is a fixed digital camera. The images from each camera are warped to a common coordinate system and the disparity between overlapping ... | 10/02/2007 |
| 7271939 | Gamma correction method, gamma correction apparatus, and image reading system First, image data is converted using a first table storing conversion values in addresses corresponding to at least input values: u(k) represented by u(k)=ab−k (where a and b are constants and k is 0, 1, 2, . . . m) of all input values and linear interp... | 09/18/2007 |
| 7268916 | Digital image sharpening system A system and method for sharpening a digital image (38) having one or more image parameters, for printing with one or more print parameters, and for viewing at one or more viewing parameters, the method comprising the steps of preparing sharpening radius info... | 09/11/2007 |
| 7269300 | Sharpening a digital image in accordance with magnification values A method of processing a digital image having pixels to improve the sharpness of a print generated from the digital image including determining a magnification value representing the magnification of a pixel of the digital image on the print based on the number of i... | 09/11/2007 |
| 7269271 | Method for digital image alteration detection and original digital image recovery A first digital image is combined with a transformed first digital image to authenticate and reconstruct the first digital image. When viewed in the standard manner, the combined image appears to be the first digital image. The transformed first digital image cannot... | 09/11/2007 |
| 7266250 | Methods for generating anti-aliased text and line graphics in compressed document images A method and system for storing and generating anti-aliased text and lineart data from compressed document images files, using a MRC model that represents the image as an ordered set of mask/image pairs at resolutions appropriate to the content of each layer. The me... | 09/04/2007 |
| 7262879 | Method for screening of halftone images A method of making second generation halftone images lacking visible interference, includes selecting an image which has been halftoned, and determining the number of tone levels required for each pixel of the halftoned image, A halftone cell size is identified, and... | 08/28/2007 |
| 7251060 | Image-processing device using quantization threshold values produced according to a dither threshold matrix and arranging dot-on pixels in a plural-pixel field according to the dither threshold matrix The image-processing device comprises a quantization threshold produce unit producing quantization threshold values corresponding to each pixel of multivalued image data according to a dither threshold matrix, a random dither quantize unit quantizing the multivalued... | 07/31/2007 |
| 7245314 | Image apparatus and method for converting scanned image data An imaging apparatus forming an image by performing scanning by deflecting a light beam includes a data conversion part that converts multi-bit input image data into data specifying a pulse width or intensity of the light beam. The image data is input to the data co... | 07/17/2007 |
| 7239431 | System and method for recovering primary channel operation in a facsimile receiver and facsimile machine incorporating the same A system for, and method of recovering primary channel operation in a facsimile (fax) receiver and a fax machine that incorporates the system, the method or both. In one embodiment, the system includes: (1) a signal receiver that receives a signal containing first a... | 07/03/2007 |
| 7239428 | Method of super image resolution A method of improving resolution for an image is disclosed. The method for improving resolution of an image includes loading a first image and creating a first super grid image based on the first image. The method also includes loading a second image and creating a ... | 07/03/2007 |
| 7236643 | System and method for filtering and binarization of images in the presence of specular noise In order to render information contained in images more detectable in the presence of noise, the present invention discloses a system and method to binarize the images in the presence of noise. The method of this invention comprises the steps of applying a dynamic r... | 06/26/2007 |
| 7230737 | Image processing method and apparatus An image processing method for inputting a color image signal and correcting the color image signal according to an observation condition, comprising the steps of: judging whether or not the input color image signal represents achromatic color; and controlling the c... | 06/12/2007 |
| 7227662 | Contents managing system, contents managing method, and program The present invention provides a contents managing system, a contents managing methods, and a program are provided, by which a communication fee required to distribute such contents which will not be probably utilized is reduced when contents are distributed via a n... | 06/05/2007 |
| 7224369 | Image processing apparatus and method of same An image processing apparatus, able to improve the pixel fill rate and able to prevent an increase of memory resources and increase of memory access, provided with a color calculation circuit for performing pixel level processing based on supplied first attribute pa... | 05/29/2007 |
| 7221443 | Appearance inspection apparatus and method of image capturing using the same The present invention is an appearance inspection apparatus and method utilizing multiple light sources in a lighting unit 30 to alternately irradiate, line by line, side light from a side light source and slit light from a slit light source onto board 1 | 05/22/2007 |
