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| Number | Title | Issue Date |
| 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 |
| 7440625 | Method and apparatus for decoding compressed and encoded digital images A method for decoding-decompressing a compressed-encoded digital data sequence relating to at least one compressed-encoded digital image and for providing at least one respective decoded-decompressed digital image. ... | 10/21/2008 |
| 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 |
| 7408670 | Facsimile delivery method and system using associated identifiers A method and computer system is provided for delivery of a facsimile using an interactive document printed on a substrate provided for entry of a message using a sensing device. The document includes user information and coded data on a document identity and locatio... | 08/05/2008 |
| 7277585 | Image encoding method, image encoding apparatus and storage medium An image encoding method forms units respectively made up of a plurality of pixels belonging to within one period of a digital image data having a periodic property, and carries out an encoding using the units as units of encoding, so that two units which are consec... | 10/02/2007 |
| 7248257 | Low bandwidth transmission of 3D graphical data A graphical data-compressor for compressing received arbitrary graphical data for subsequent transmission; where the graphical data-compressor comprises an input for receiving the received arbitrary graphical data, the input being linked to an analyzer for analysis ... | 07/24/2007 |
| 7184160 | Spam fax filter A spam fax filter which has been configured in accordance with the present invention can include a fax transformation processor configured to transform rasterized fax images into non-rasterized representations of fax images. The spam fax filter further can include a... | 02/27/2007 |
| 7164802 | Method for image compression by modified Huffman coding The present invention provides a system that compresses and decompresses an image. The system includes a first codec a first stage codec for identifying runs of pixels of a defined value in a data stream of the image data beginning from the left and right margins of... | 01/16/2007 |
| 7099523 | Method and system for scaling a signal sample rate A method for scaling a signal sample rate includes interpolating between at least two scaling ratios to calculate an arbitrary scaling ratio, using a predetermined interpolation algorithm, and scaling a sample rate for a first portion of the signal using a first sca... | 08/29/2006 |
| 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 |
| 7038817 | Facsimile signal transmission system Disclosed is a FAX signal transmission system, in which the transmission side and the reception side are inter-coupled by a bearer. Each side is constituted by DCME comprising a transmission side, which includes a signal identification circuit 3, a FAX data a... | 05/02/2006 |
| 6963866 | Method of obtaining an electronically stored financial document A method for a bank to obtain an electronically-stored financial document is disclosed. The financial document includes a specific document parameter, such as a record date. The bank maintains the financial document in an off-site storage system when the record date... | 11/08/2005 |
| 6947604 | Method and hardware to implement two-dimensional compression Embodiments are disclosed in which two-dimensional image compression, such as for bi-level images, is implemented. ... | 09/20/2005 |
| 6891644 | Image processing device and image processing method An image processing system provided with a line sensor for reading image signals in line units. First, the line sensor scans a document in a normal direction. At this time the image data obtained by the scan are subjected to image processing such as compression and ... | 05/10/2005 |
| 6781723 | Communication apparatus and its control method A communication apparatus and its control method which assure an execution of a polling communication in a state that an ECM transmit inhibition is selected while an ECM receive inhibition is not selected for communications in the ITU-T Recommendation V.8, V.21, V.2... | 08/24/2004 |
| 6778707 | Method for decompressing JPEG files using a variable block size inverse discrete cosine transform A method for decompressing digital image data to improve the speed of decompression is disclosed. More specifically, the present invention improves image decompression time by operating upon a subset of the original data and by performing a modified discrete cosine ... | 08/17/2004 |
| 6775033 | Image communication apparatus and communication control method thereof An image communication apparatus and a communication controlling method thereon, wherein in the case where image data having an attribute not specified by the ITU-T recommendation is transmitted, regardless of an attribute of image data to be transmitted, a receptio... | 08/10/2004 |
| 6775413 | Techniques to implement one-dimensional compression Embodiments of the present invention are disclosed in which one dimensional image compression, such as for bi-level images, is implemented. An integrated circuit includes digital logic circuitry and digital memories. The digital logic circuitry and digital memories ... | 08/10/2004 |
| 6583887 | Method and apparatus for data compression Compression apparatus is described that operates to select an optimum compression procedure to apply to received image data. The compression apparatus can be employed in a page printer having a print engine that must be provided with video data at a const... | 06/24/2003 |
| 6487312 | Method of isomorphic singular manifold projection still/video imagery compression Methods and apparatuses for still image compression, video compression and automatic target recognition are disclosed. The method of still image compression uses isomorphic singular manifold projection whereby surfaces of objects having singular manifold ... | 11/26/2002 |
| 6487311 | OCR-based image compression A method for compressing a digitized image of a document using optical character recognition (OCR). The method includes performing optical character recognition (OCR) on the digitized image, identifying, based, at least in part, on a result of the perform... | 11/26/2002 |
| 6212303 | Method and module system for high speed processing of item images A system and method for processing image data from a document and for producing a compressed binarized version of the image data for transmission to or use by subsequent users. Processing of the image data is done in parallel after the scanning of the doc... | 04/03/2001 |
| 6181825 | Methods for performing 2-dimensional maximum differences coding and decoding during real-time facsimile image compression and apparatus therefor Compression and decompression methods for transmitting facsimile images in which the facsimile image is compressed in both vertical and horizontal directions are implemented using two dimensional maximum differences algorithms. Asymmetrical and fractional... | 01/30/2001 |
| 5587810 | Communication apparatus for disabling messages specifying non-standard communication features A facsimile interface unit, which encodes signals from a facsimile terminal for transmission by satellite, can only encode signals which conform to the Group 3 standard. The interface unit intercepts signals which identify non-standard features supported ... | 12/24/1996 |
| 5488483 | Facsimile with user selective compression methods An apparatus having the G4 method and the JPEG method allows for the selection of standard resolution (200 dpi×200 dp) or precision resolution (400 dpi×400 dpi) by using a resolution selection key of operation unit 26 in order to improve the operativity... | 01/30/1996 |
| 5414526 | System and method for encoding facsimile data A system and method for facsimile data encoding uses vectors indicating the locations of changing elements along a horizontal scan line. The change vectors are stored in a vector table. The system may use a reference vector table and a coding vector table... | 05/09/1995 |
| 5235432 | Video-to-facsimile signal converter A video-to-facsimile signal converter includes means for receiving and converting a video signal representing a continuous tone video image to a facsimile signal for transmission to and reception by a facsimile receiver for simulation of the continuous to... | 08/10/1993 |
| 4965677 | Compression of binary halftones A system is described for reformatting halftone data for compression, wherein an original bilevel image is reformatted to produce another bilevel image that allows vertical correlations to be recognized by the compression technique, thus improving compres... | 10/23/1990 |
| 4703362 | Mixed-mode symbol removal method for facsimile data compression A method for data compression provides for an improved digital facsimile ument transmission system. The mixed mode method provides that symbols can be located both individually and as a part of a line of symbols in order to provide for efficient operatio... | 10/27/1987 |
| 4694351 | Picture signal processing apparatus A picture signal processing apparatus comprises a signal processing means for performing signal processing such as picture element density conversion of picture signals, a first memory means for storing temporarily picture signals as object of the signal ... | 09/15/1987 |
| 4562484 | Method and device for decoding two-dimensional facsimile signals A method and device for decoding two-dimensionally encoded digital facsimile signals. The method includes (a) accumulating the run lengths of color change picture elements in the reference line, (b) decoding a codeword to generate a displacement value, (c... | 12/31/1985 |
| 4558371 | Method and device for two-dimensional facsimile coding A method and device for two-dimensionally coding digital facsimile signals, especially for the CCITT T.4 recommended standard. A line of digitized picture elements is coded with respect to a reference line of digitized picture elements. The run lengths of... | 12/10/1985 |
| 4533956 | Apparatus for converting facsimile coded data to video data An apparatus for converting facsimile coded data to video data utilizing a programmed digital computer for receiving the facsimile coded data buffering the facsimile coded data and converting the facsimile coded data to a fixed length intermediate code. T... | 08/06/1985 |
| 4266249 | Digital encoder for facsimile transmission A scheme for digitally encoding continuous-tone information from an original pictorial image includes processing electrical signals via separate networks (20,30) to generate (a) high-resolution detail data of "black" and "white" pels, and (b) low-resoluti... | 05/05/1981 |
