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Document Title |
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7333245 |
System and method for printing retained print jobs
A computing system including a computer and a printer. The computer is operable to transmit a print job to the printer that cases the printer to retain the job. The computer is further operable to...
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7283265 |
Raster data compression apparatus and method
A plurality of patterns such as solid patterns, edge patterns, half-tone patterns, and verbatim data are losslessly represented in a compressed raster data stream. A pattern selection module...
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7239423 |
Image processing apparatus
To print a satisfactory image output according to a kind of image without pressure of memory resources and a decrease of transfer speed due to an increase of image data capacity, a CPU of an image...
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7139099 |
Image processing device and image processing method
Disclosed are an image processing device and an image processing method capable of generating a high-resolution color image of a fine gray scale from image data of a small information amount by...
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7088463 |
Binary data transmission over an image data channel
A method of sending binary data over an image data channel. The binary data is encoded into an encoded linear matrix image, and the encoded linear matrix image is transmitted over the image data...
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7072078 |
Image storage apparatus, image storage method, and storage medium
Information including parameters for JBIG-encoding is managed page-by-page, and image information is JBIG-encoded with the information managed page-by-page, after which the encoded data is stored...
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6898319 |
Method and system for video frame enhancement using edge detection
Briefly, in accordance with one embodiment of the invention, a video processing system includes: a video coder. The video coder includes the capability to generate an edge detection map along a...
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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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6144322 |
Variable length code processor with encoding and/or decoding
A variable length code processor is obtained which can perform encoding or decoding process in a plurality of variable length encoding standards. A sequence control section (5) has two control...
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6141450 |
Image compression system using halftoning and inverse halftoning to produce base and difference layers while minimizing mean square errors
A two-layer image compression device is disclosed with a halftone circuit, an inverse halftone circuit and a quantization circuit. In this circuit, the halftone circuit converts the input...
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6141122 |
Data compressing method, image data memory, and method and device for expanding compressed data
A data compressing method which can efficiently compress image data containing color data is provided. A compressed data expanding method which can expand the compressed data at high speed is...
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6111660 |
Efficient digital data encoding in a data processing system
An improved method for encoding digital-data in a data processing system providing a buffer and utilizing a forward looking encoding process is disclosed. The forward looking encoding process...
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6052205 |
Image data encoding/decoding method and apparatus configured to compress both natural gray scale images and binary images
Image data encoding/decoding method and apparatus uses a first data divider for dividing image data into--by n-pixel blocks, two data encoders for encoding an--by n-pixel block into a first data...
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6031634 |
Image information transmitting method and apparatus
An image information transmitting/receiving apparatus for time and cost-saving repetitive transmission. In facsimile communication, image data where further information is added to...
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6002718 |
Method and apparatus for generating runlength-limited coding with DC control
The present invention provides a lossless coding scheme that maps unconstrained binary sequences into sequences that obey the (d,k)-RLL constraint while offering a degree of DC control. In the...
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5987181 |
Coding and decoding apparatus which transmits and receives tool information for constructing decoding scheme
A coding and decoding apparatus is constructed so that the coding side transmits coded data together with identifying information for identifying the device of decoding the coded data, and the...
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5917609 |
Hybrid waveform and model-based encoding and decoding of image signals
A hybrid waveform and model-based image signal encoder and decoder are described. The image signal is waveform-encoded (11) and decoded (31) so as to approximate the waveform of the original input...
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5847840 |
Image transmitting apparatus
There is provided an image transmitting method whereby each picture plane is divided into a plurality of regions, a variable-length coding is executed to image information on a region unit basis,...
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5805302 |
Variable length encoding of image data
In this image coding method and apparatus, an image is divided into a plurality of areas. Information indicative of the image is variable length coded into data of, for instance (138×132) symbols....
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5778092 |
Method and apparatus for compressing color or gray scale documents
A technique for compressing a color or gray scale pixel map representing a document. The pixel map is decomposed into a three-plane representation, a reduced-resolution foreground plane, a...
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5745606 |
Method and system for storing information in compressed block data
The current invention discloses methods and devices of storing an additional piece of information along with compressed image data without increasing the compressed data size and without...
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5666212 |
Method of coding image segments of any shape
A method of coding digital image data of an original image for transmission and reproduction. The original image is subdivided into partial image regions whose shapes are adapted to local image...
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5657399 |
Encoding/decoding apparatus using quantizing steps information
In an encoder/decoder, a quantizer quantizes input image information, and a coefficient generator generates coefficient information for determining quantization steps of the quantizer. An encoder...
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5629770 |
Document copying deterrent method using line and word shift techniques
A method is provided that deters the illicit copying of electronically published documents. It includes publishing a plurality of copies of electronically created material to be distributed to a...
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5596640 |
Digital image forming apparatus with data conversion
An image forming apparatus including an operating board for indicating operating modes, a document reading member and an outputting member for outputting data. An image compressing member...
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5588075 |
Method and apparatus for encoding and decoding image data
A method and apparatus for encoding and decoding image data in which continuous still images are compressed and decompressed. The apparatus divides a plurality of multivalue image data into blocks...
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5576835 |
Method for run-length coding for shortening transmission time
A method is provided for coding images and originals, for example, for telefax and color television. The method saves hardware and allows the transmission time of information to be shortened,...
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5565992 |
Image transmitting method
There is provided an image transmitting method whereby a variable-length coding is executed to image information and the variable-length coded image information to be compressed is transmitted...
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5526123 |
Image communication apparatus and method for determining image quality in accordance with received line synchronization signals
An image communication apparatus for receiving image data includes a first detector for detecting a first line synchronizing signal for one-dimensional codes in the received image data and a second...
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5481372 |
Area control system for image processing apparatus
An area control system for an image processing apparatus including a input unit 1 for inputting image signals, a area control unit 2 for generating control signals according to a specified area,...
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5463477 |
Mobile communication method and mobile communication system for deleting fill code in radio circuit
A mobile communication system requires no fill code in a signal transmitted by way of radio communication between a mobile station and a radio base station. In a radio base station or a mobile...
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5379116 |
Cell-packing system of coded video signal using fixed bit length cells
A coded video signal encoded into a variable length code is packed into a frame called a cell having a predetermined number of fixed bits for transmission through ATM (Asynchronous Transfer Mode)...
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5369502 |
Image data progressive reconstruction method and apparatus
An image data reconstructing method and apparatus, adaptive to both progressive and sequential image buildup modes, reconstructs an orthogonally transformed image by dequantizing transform...
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5365350 |
Data communication method between circuits
A method for performing data communication between two circuits. Information is serially transmitted between two circuits. A first level change in one direction of a pulse signal output from one of...
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5365347 |
Coding apparatus
In a coding apparatus, a first detecting device serves to detect a variation between conditions of pixels in a currently-coded line. A second detecting device serves to detect a variation between...
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5339164 |
Method and apparatus for encoding of data using both vector quantization and runlength encoding and using adaptive runlength encoding
A method is disclosed of encoding location information pertaining to a source position signal characterized by positions of a set of selected coefficients, ordered in at least one dimension, there...
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5327253 |
Facsimile transmission method
A page of MMR coded picture data may be transmitted with MMR coded journal data added to the page at the time of transmission. The first line of journal data may be transmitted after it is MMR...
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5321521 |
Image data compression transmission method utilizing a synchronization code
An image data compression transmission method performs coding of image data into coded data line by line, by a predetermined coding process, adding a synchronizing code to the coded data and...
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5307177 |
High-efficiency coding apparatus for compressing a digital video signal while controlling the coding bit rate of the compressed digital data so as to keep it constant
Digital video signals are divided in blocks, maximum and minimum values of each block are extracted, and a frequency distribution of one frame period of a dynamic range in each block is detected....
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5253075 |
Image signal coding/decoding system using adaptive quantization
An image signal coding/decoding system comprises an encoder for encoding an image signal by using the adaptive quantization, and a decoder for decoding the coded image signal by using the adaptive...
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5247589 |
Method for encoding color images
Color image information is encoded by grouping together adjacent pixels into blocks, determining which one of several templates each block most closely approximates, and encoding each block in...
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5247369 |
Image transmission system
An image transmission system for transmitting image data added with code data is disclosed. The image transmission system of the invention has an image transmission device 11 connected with a...
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5243438 |
Facsimile compression for transmission
A transmission arrangement is disclosed which facilitates compression of modem modulated facsimile signals for transmission on digital facilities. The presence of a facsimile call is detected and...
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5227875 |
System for transmitting encoded image data with quick image expansion and contraction
A system for transmitting encoded image data capable of transmitting the multiple view image data, without causing a significant level of an increase of a size of the system, a delay in a data...
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5187592 |
Image communication method and apparatus with selection of binarization method for transmission
According to this invention, when n-value image data is transmitted, data associated with its compression method is transmitted to a reception-side apparatus, so that the reception-side apparatus...
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5041916 |
Color image data compression and recovery apparatus based on neural networks
A data compression and recovery apparatus compresses picture element data of a color image by expressing two primary color values of each picture element as a set of parameter values of a neural...
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5031053 |
Efficient encoding/decoding in the decomposition and recomposition of a high resolution image utilizing pixel clusters
More efficent encoding/decoding in decomposing and recomposing a high resolution image is obtained by employing a unique pixel cluster arrangement. The pixel clusters of an image are classified as...
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5018022 |
Facsimile device for transmitting portions of documents and holding the transmission process
A facsimile device for transmitting an original document that is stationarily placed on a document scanning plate during the document transmission is provided. The device includes a sending key for...
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4992889 |
Encoding apparatus for compressing and outputting image data
An encoding apparatus for compressing and outputting image data by performing prediction differential encoding of the image data. The apparatus forms first prediction data, receives the image data...
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4947259 |
Image signal compressing device
An image compressing device is described, which includes a circuit for dividing the binary signal into predetermined areas and for converting the binary signal into codes corresponding to...
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