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8035862 |
Fast method for fax encoded data conversion
In accordance with an embodiment of the present invention, a fax decoding/re-encoding system for transferring fax images between a sending fax machine and a receiving fax machine includes a decoder...
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8023746 |
Systems and methods for decoding an image to determine a digital identifier
A method is provided for decoding an image of a pattern on an object to determine a digital identifier. An image of a pattern on the object is received. The image includes a plurality of pixels,...
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7791748 |
Image communication control method, image communication control program, and image communication apparatus
When image communication is conducted by using one of a plurality of different image communication systems via a sending/receiving path including an IP network (101), a transmitter (105) and...
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7778480 |
Block filtering system for reducing artifacts and method
A method includes identifying a pair of image data blocks separated by a boundary. The image data blocks include image information defining multiple pixels in at least one image. The method also...
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7738722 |
Technique for adaptive de-blocking of block-based film grain patterns
Reduction in the blockiness of a simulated film grain block can be achieved either by the use of adaptive downscaling or adaptive deblocking filtering to adjust the intensity of the pixels at the...
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7715640 |
Image processing device, image processing method, image processing program and computer-readable recording medium on which the program is recorded
An image processing device includes a region extraction unit, a region compression unit, and a region synthesis unit for synthesizing the image data of the regions compressed by the region...
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7580160 |
Modem and facsimile apparatus capable of monitoring G3 communications via ISDN
A facsimile use modem apparatus includes an analog interface formed from a silicon data access arrangement interfacing with an analog telephone line. A digital interface is provided to interface...
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7454081 |
Method and system for video edge enhancement
A system and method that enhance edges in images by detecting and correcting edges of the components of the image, such as the luma and the chroma components. The luma and the chroma edges may be...
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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...
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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...
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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...
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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...
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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...
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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...
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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,...
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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,...
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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.
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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...
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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...
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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...
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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...
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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,...
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6671706 |
Method and system for editing the content of a web site with a facsimile transmission
A method of updating a Web site maintained by a web server capable of receiving and responding to requests for information from Web clients and coupled to a computer database comprising the steps...
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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...
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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...
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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,...
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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...
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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...
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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...
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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 k...
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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...
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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...
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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...
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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...
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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...
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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,...
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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...
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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...
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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...
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2909601 |
Facsimile communication system
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