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| Number | Title | Issue Date |
| 8149469 | Image reading apparatus and image reading method An image reading apparatus has an image sensor in which a plurality of sensor arrays for reading a document image are connected into a line, and parallel-output image data. In the image reading apparatus, of image data output from each sensor array, image data of a ... | 04/03/2012 |
| 8115967 | Localized signal data preservation within signal bandwidth A system and method for reducing the noise induced in a particular section or level of a signal bandwidth. The section is isolated from the rest of the signal data, by rescaling this data to produce a buffer section adjacent the section with little or no data in it.... | 02/14/2012 |
| 7679790 | Image processing apparatus and its control method An image processing apparatus includes a decompression unit (302) that is configurable by dynamic reconfigurable logic into either a first decompression circuit (302a) or a second decompression circuit (302b) that has a slower deco... | 03/16/2010 |
| 7656561 | Image compression for rapid high-quality imaging Lossless, near-lossless, and lossy compression and decompression of digital image data, whereby the image data can be compressed and decompressed on-the-fly with no need for external RAM resources for temporary data storage while compressing/decompressing image data... | 02/02/2010 |
| 7440635 | Method for removing ringing artifacts from locations near dominant edges of an image reconstructed after compression A method to remove ringing artifacts from locations near dominant edges of an image reconstructed after compression. The image is decomposed into blocks small enough so that each would contain only one significant edge. A significant edge is tested as to whether it ... | 10/21/2008 |
| 7437483 | System and method for transferring a compressed data file to a peripheral device An image passthrough extension structure and method facilitating the transfer of compressed data image files from a software application to a device via the computer system operating system. The application determines whether the device is capable of decoding the sp... | 10/14/2008 |
| 7433069 | Image transmission method and its apparatus An image transmission apparatus and method for use with at least two transmission paths having different transmission rates from one another. The image transmission apparatus comprises an image input for receiving an image signal, a coding processing unit for encodi... | 10/07/2008 |
| 7414757 | Method for compressing printing hint data sent to a printer There is disclosed in embodiments methods relating to the compression of printing hints. The method in embodiments generates a first set of image pixels having corresponding printing hints. The printing hints are then adjusted to produce a second set of image pixels... | 08/19/2008 |
| 7415163 | Method of reducing noise in images An image noise reducing method that can properly reduce both block noise and mosquito noise without deterioration of the image quality is provided. The method includes creating a first luminance component image data with the boundaries of the blocks thereof smoothen... | 08/19/2008 |
| 7376266 | Segmented layered image system Systems and methods for encoding and decoding document images are disclosed. Document images are segmented into multiple layers according to a mask. The multiple layers are non-binary. The respective layers can then be processed and compressed separately in order to... | 05/20/2008 |
| 7373001 | Compressed moving image decompression device and image display device using the same A moving image compression (or encoding) device including: a hardware processing section which compresses moving image data by hardware; a data storage section which stores the moving image data processed by the hardware processing section; and a software processing... | 05/13/2008 |
| 7372600 | Color facsimile device with data recompressing capability JPEG data is efficiently recompressed and transmitted to a remote color facsimile device. Before transmission of recompressed JPEG data, an anticipated transmission time is displayed for enabling the user to easily select the desired compression ratio. To generate r... | 05/13/2008 |
| 7356189 | Moving image compression device and imaging device using the same A moving image compression (or encoding) device including: a hardware processing section which compresses moving image data by hardware; a data storage section which stores the moving image data processed by the hardware processing section; and a software processing... | 04/08/2008 |
| 7349135 | Time multiplexed image data decompression circuit A circuit which uses a compressor to divide each separation image into 8-line strips, and to independently compress each strip, a single decompressor to decompress two or more color image separations, strip by strip, by interleaving them, and to apply them to two or... | 03/25/2008 |
| 7342696 | Computational moiré compensation The amount of moiré in halftone printed images is reduced using unique moiré intensity functions and moiré vectors in a halftoner. In various embodiments, moiré phase angle zones are determined over the full field of an image and high addressability units in the... | 03/11/2008 |
| 7336386 | Image processor including a data compression unit having a switch and image processing method thereof The image processor comprises a switch that divides image data into m×n pixels, having n lines with m pixels per one line; a group of line memories that store the divided image; a compression device which batch compresses the image data of m×n pixels. Further, a c... | 02/26/2008 |
| 7321693 | Image processing apparatus and image processing method including adjustment of coded data to specified target size An image processing apparatus and an image processing method are disclosed for generating coded data having a desired data size at a high speed. The image processing apparatus includes a coding part, two memories, a setting part and a data size adjustment part. The ... | 01/22/2008 |
| 7310694 | Reducing information reception delays A technique for reducing information reception delays is provided. The technique reduces delays that may be caused by protocols that guarantee order and delivery, such as TCP/IP. The technique creates multiple connections between a sender and recipient computing dev... | 12/18/2007 |
| 7304756 | Image information processing apparatus, and computer-readable recording medium A sender device 1 stores, in header information about image information, information indicating that attribute information and image data rearranged in sequence, and produces image information by means of storing attribute information and image data in a pred... | 12/04/2007 |
| 7289243 | Apparatus and method for data compression optimized by print head architecture An apparatus and method to compress data for a print head divides print head nozzle firetime instructions into a plurality of bytes. A control word represents each byte by one bit. Bytes containing data are set from a host computer to a printer. Empty bytes are repr... | 10/30/2007 |
| 7274486 | Image data correcting device for correcting image data to remove back projection without eliminating halftone image An image data correcting device eliminates a back projection image without eliminating an image corresponding to a low-intensity halftone image. An intensity difference detection part detects an intensity difference between first image data corresponding to a part o... | 09/25/2007 |
| 7268903 | Data transfer method, image processing method, data transfer system and image processor The invention relates to the data transfer method, the image processing method, the data transfer system and the image data processor for transferring digital data, especially for transferring image data. The invention has an object to provide the data transfer meth... | 09/11/2007 |
| 7259891 | Image compression method, decompression method thereof and program therefor In a method of image compression in which vertical and horizontal white skipping are performed, data compression is performed in the regions containing black pixels other than the skipped regions. While vertical and horizontal white skipping being performed, in the ... | 08/21/2007 |
| 7248737 | Page decomposition using local orthogonal transforms and a map optimization Document processing and understanding can be important for a variety of applications such as office automation, creation of electronic manuals, online documentation and annotation, etc. The first step towards this process can involve the decomposition of a page into... | 07/24/2007 |
| 7245396 | Image data coding apparatus, image data decoding apparatus, image data coding method and image data decoding method This invention has as its object to efficiently encode an image. To this end, for example, an image undergoes a color reduction process using a dither matrix with a predetermined size. A print control command is output. A compression parameter designation command th... | 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 |
| 7230744 | Performance of a multi-stage service within an information technology network A multi-stage or process operation, such as the printing of a document from a data file in the form of a word processing document may be performed either by passing the document directly along a relatively fast network link to a printer 300, or by passing the... | 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 |
| 7212313 | Reducing storage requirements for display data A method and apparatus for generating a compressed representation of a two-dimensional image where the image is described as a sequence of pixels in raster order. The method includes receiving the two-dimensional image as a sequence of pixels in raster order. For ea... | 05/01/2007 |
| 7209135 | Image display apparatus The invention provides an image display apparatus that efficiently adjusts a video display even when a change takes place in an input signal. The image display apparatus includes a video input device that receives a video signal, a video display that displays an opt... | 04/24/2007 |
| 7193743 | Printer driver software product with edge runlength encoder A printer driver software product includes machine readable instructions for a computer to compress bi-level page description date. The computer, in accordance with the instructions, checks to determine if an edge of a black region in a line of the page is within a ... | 03/20/2007 |
| 7161574 | Liquid crystal display element driving method and liquid crystal display using the same A liquid crystal display element driving method or a liquid crystal display device uses a liquid crystal display element having a plurality of pixels constituting a screen; divides a frame period into a plurality of write periods and outputs gate signals to select t... | 01/09/2007 |
| 7158669 | Image compression method and apparatus, and image coding method and apparatus There are provided an image coding method and apparatus and image compression method and apparatus which can properly compress a color document image with a high compression efficiency. First of all, a color reduction processing unit (102) converts each pixel... | 01/02/2007 |
| 7133151 | Adaptive processing for images of pages of a document An image processing apparatus has a compression rate predicting section for computing an improving rate of compression required for storing image data of the entire document in a image data storage section, and a compression rate correction table for storing a chang... | 11/07/2006 |
| 7120297 | Segmented layered image system Systems and methods for encoding and decoding document images are disclosed. Document images are segmented into multiple layers according to a mask. The multiple layers are non-binary. The respective layers can then be processed and compressed separately in order to... | 10/10/2006 |
| 7110596 | System and method facilitating document image compression utilizing a mask A system and method facilitating document image compression utilizing a mask separating a foreground of a document image from a background is provided. The invention includes a pixel energy analyzer adapted to partition regions into a foreground and background. The ... | 09/19/2006 |
| 7075681 | System and method for reducing the data volume of images A system and method for reducing the volume of data necessary to represent an image by utilizing tiling and masking techniques is disclosed. Initially, an image described by raster content having an original number of bits per pixel is provided. The image is divided... | 07/11/2006 |
| 7068398 | System and method for efficient tile generation from complex raster data A system and method for accepting raster data from a Postscript or equivalent image data generator, identifying portions of the raster image which contain continuous tone data and linework data, dividing those portions into separate tiles and compressing the data wi... | 06/27/2006 |
| 7062087 | System and method for optimizing color compression using transparency control bits A system, method, and processor-readable medium provide for compressing color data involves a number of pixels defining a region of a display area. The pixel data for each of the pixels includes color data and control data. The control data of particular pixels, hav... | 06/13/2006 |
| 6992788 | Image processing apparatus and method, and storage medium The present invention efficiently compresses image data, and stores and manages the compressed data. Image data is compressed in tile unit having predetermined pixels and data packing is performed. The compressed data is compared with compressed data of a preceding ... | 01/31/2006 |
