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7167263 |
Multifunction peripheral apparatus, external controller for the same, and their control method
In an external print controller added to an MFP, bit map data obtained by analyzing and developing received PDL data is once compressed and, subsequently, transferred via a PCI bus. In the...
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7167259 |
System and method for merging line work objects using tokenization and selective compression
A method, apparatus, and information bearing medium for merging display items in encoded form involve providing display items to be merged in an encoded format, such as a run length encoded format...
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7167521 |
Video encoding apparatus and video decoding apparatus
An alpha-map encoding apparatus includes a first down-sampling circuit ( 21 ) for down-sampling an alpha-map signal which represents the shape of an object and the position in the frame of the...
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7167589 |
Disk read technique
A method and apparatus for performing compression and/or decompression is described. In one embodiment, the present invention comprises a system having a buffer, a wavelet transform unit, and a...
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7162093 |
Slice-layer in video codec
A video encoder/decoder utilizes a bistream syntax that provides an independently decodable, partial picture unit, which may be in the form of a unit containing one or more contiguous rows of...
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7162090 |
Image processing apparatus, image processing program and image processing method
To provide an image processing apparatus suitable for simplifying and accelerating a filtering process at the time of decoding an image and implementing an effective filter effect. A deblock...
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7158254 |
Print-job, PDL/RIP-independent data-management method and system
A data management method and system for expediting the flow and handling of print data from a creation source to one or more printers. Data in a stream is examined in light of assessed available...
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7155063 |
Image processing apparatus and method of controlling same
An image processing apparatus, and a method of controlling the same, for making it possible to execute decoding of compressed image data appropriately, in a processing time needed for decoding that...
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7149249 |
Color video codec method and system
In one aspect of a preferred embodiment, the present invention comprises a system for video compression comprising a video preprocessor; a predictor configured to receive video data from the...
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7149251 |
Apparatus, and associated method, for forming a compressed motion vector field utilizing predictive motion coding
Apparatus, and an associated method, motion compensates coding of video sequences. Motion compensated prediction is utilized in the representation of motion vector fields. Reduced numbers of bits...
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7149358 |
Method and system for improving contrast using multi-resolution contrast based dynamic range management
A method, system and computer readable medium for implementing and performing a multi-resolution contrast-based dynamic range management algorithm and allowing for the efficient compression of an...
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7145946 |
MPEG video drift reduction
A drift reduction method and apparatus. Drift reduction is effected in an MPEG video transcoder by decoding dropped out pixels to form a drift reference frame. The quantization indices in the...
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7146051 |
Apparatus for and method of transmitting optical signal of graphic signal
An apparatus for and a method of transmitting a graphic signal generated by a graphic signal generation unit to a display unit. Compressed transmission data is generated according to a result of a...
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7146053 |
Reordering of compressed data
Apparatus and methods are provided for encoding independently decodable pieces of compressed data to accommodate reordering of the pieces of compressed data before or after manipulation. Encoding...
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7146054 |
Method of digital image data compression and decompression
A method for compressing and decompression digital image data. When compressing, the method begins by choosing a reference row. The relative data between the reference row and the current row is...
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7146055 |
Image processing decompression apparatus and method of using same different scaling algorithms simultaneously
An image processing apparatus and method includes a sub-sampler decompression unit that takes an inverse transformation to rebuild 411 sub sampled luminance/chrominance color space components which...
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7139436 |
Orthogonal transform method and apparatus
In a four-by-four orthogonal transform mode, an input data buffer enters a first half of entered eight pieces of pixel data, i.e., “x0A”, “x1A”, “x2A”, and “x3A”, into each of the...
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7139317 |
Segment-based encoding system using exposed area filling performed by an encoder and a decoder
An encoding system encodes and decodes video data using an exposed area fill processor. A nonkey frame is encoded as a set of kinetic information relating segments of a reference frame to the...
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7139434 |
Decoding with storage of less bits for less important data
A method and apparatus for performing compression and/or decompression is described. In one embodiment, the present invention comprises a system having a buffer, a wavelet transform unit, and a...
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7136532 |
FGS decoder based on quality estimated at the decoder
A method for decoding a stream of data includes the steps of: identifying a relationship ( 100 ) between quality of a decoded image and a bit rate for decoding the image; selecting a desired...
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RE39367 |
Method for encoding and decoding moving picture signals
A method for encoding and decoding digital moving picture signals which can decode subframes appropriately in relation to time if a part of a bit stream is missing or an error occurs in the bit...
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7130351 |
Storage reduction during compression
Decompressing compressed video information using relatively less temporary storage is disclosed. A compressed bit stream of video information including a compressed portion is received. A reverse...
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7130472 |
Image distribution apparatus, communication terminal apparatus, and control method thereof
An image distribution apparatus divides image data of a single frame into a plurality of blocks, orthogonally transforms the blocks and calculates transformation coefficients, quantizes the...
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7127115 |
Image processing apparatus and method, computer program, and storage medium
The present invention allows an image to be coded within a target size without necessitating the image to be input again during the coding of the image, with a mode reflecting a user's intention...
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7127113 |
Image processing method, storage medium, image forming apparatus and program with correction processing according to an attribute of an image
The present invention aims to enable image attribute discrimination of an image indicative of compressed data, and hence correction processing on the image indicative of the compressed data. In...
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7127111 |
Image coding apparatus and method, image decoding apparatus and method, and recording medium
According to the present invention, not only still images but also moving images can be compressed with high quality. In an image coding apparatus, a wavelet transform unit low-pass filters and...
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7127110 |
Image encoding device, image encoding method, image decoding device and image decoding method
A coded bit stream generated on a coding side consists of a VO header, a VOL header, a GOV header, a VOP header and VOP data, and the VOL header multiplexes an object intra-coded indicator signal...
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7123776 |
Method of processing digital images for low-bit rate applications
The present invention relates to a method of processing digital images comprising pixel blocks, said method comprising a step of detecting blocking artifacts ( 41 ) between two adjacent blocks...
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7123773 |
Image coding-decoding method, image coding-decoding system, image coder, image decoder, and storage medium
A multiresolution coding section includes a wavelet transformation section for performing a wavelet transformation process on an image signal to obtain coefficient signals, a coefficient...
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7123174 |
Image compression and decompression using adaptive run length encoding
A compressor can compress an image by reducing the amount of data while preserving the information. Some compressors use run length coding wherein image data is converted into a series of run...
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7123654 |
Method and apparatus to encode a moving image with fixed computational complexity
An apparatus and method thereof to encode a moving image include a discrete cosine transform (DCT) unit performing a DCT process on input video data, a quantizer, and a motion estimation (ME) unit...
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7123771 |
System and method for directed acuity segmentation resolution compression and decompression
A compression and decompression system and process for optimally compressing and decompressing multibit per pixel image regions based on the type of data contained in the image region, e.g.,...
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7120307 |
Image encoding using reordering and blocking of wavelet coefficients combined with adaptive encoding
An encoder reorders quantized wavelet coefficients to cluster large and small wavelet coefficients into separate groups without requiring the use of data-dependent data structures. The coefficients...
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7116829 |
Image coding and decoding methods, image coding and decoding apparatuses, and recording media for image coding and decoding programs
In an image coding method of the present invention, after a process such as DCT is performed to digital image data, quantization process is performed, and then, to resultant quantized transform...
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7116828 |
Integrated video decoding system with spatial/temporal video processing
An integrated video decoding system with spatial/temporal video post-processing is disclosed. The integrated video decoding system includes a video decoder for decompressing an input data stream,...
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7116834 |
System and method for progressively transforming and coding digital data
A system and method facilitating progressively transforming and coding digital pictures is provided. The present invention via employment of a multi-resolution lapped transform provides for...
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7116827 |
Video coding and video decoding apparatus
A video encoding apparatus is provided with a resolution converting section, an encoding section, and a transmitting section. The resolution converting section enlarges or reduces a binary picture...
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7113646 |
Decoding of predicted AC coefficient without division
A technique for eliminating the division in decoding a predicted AC coefficient includes calculating and storing the values of I//AC_stepsize in a table. This allows one to convert a division into...
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7113645 |
Image decompression apparatus and method
In a still image decompression process, operations of respective parts of a still image decompression apparatus are controlled so as to limit the operations into those such that a decompressed...
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7110606 |
System and method for a direct computation of cubic spline interpolation for real-time image codec
A cubic spline interpolation (CSI) method and apparatus for image compression by direct computation. Such a CSI method is used along with the JPEG standard to obtain a new CSI-JPEG encoder-decoder...
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7110608 |
Digital image compression
A method of reconstructing an image, where the input image data is preferably part I or part II compliant JPEG2000 coded data, or pixel data of the original image. The method selects ( 810 ) an...
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7110609 |
System and method for progressively transform coding digital data
The present invention is embodied in a system and method for compressing image data using a lapped biorthogonal transform (LBT). The present invention encodes data by generating coefficients using...
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7103750 |
Method and apparatus for finding repeated substrings in pattern recognition
A method and apparatus for compressing a reference pattern (RP) with repeated substrings by encoding produce compressed reference patterns (CRPs) with reduce storage requirements. Operation codes...
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7099515 |
Bitplane coding and decoding for AC prediction status information
In one aspect, an encoder/decoder selects a bitplane mode from a group of plural available bitplane modes, and processes a bitplane according to the selected bitplane mode, wherein the bitplane...
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7099387 |
Context-adaptive VLC video transform coefficients encoding/decoding methods and apparatuses
Transform coefficients of sample blocks of a macroblock of a video picture are encoded by adaptively encoding in combination, the number of non-zero coefficients before the trailing one...
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7095896 |
Image encoding method and image decoding method
The method includes the following units: a coefficient number detecting unit ( 109 ) for detecting the number of coefficients which has a value other than 0 for each block according to the...
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7091981 |
Data bus compressing apparatus
A bus compression apparatus for compressing data is provided to suppress an EMI signal and to simplify a data bus structure. In the apparatus, the voltage levels of the digital output signals are...
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7088866 |
Image coding method and apparatus for localized decoding at multiple resolutions
The method generates a compressed digital image from a original image. The compressed digital image allows random access to portions of the compressed image at a number of resolutions. The original...
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7085419 |
Method and apparatus for coding and decoding image data
A matching processor detects correspondence information between key frames. A judging unit detects motion vectors from the correspondence information to determine variation of a field of view...
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7079649 |
Copy protection of data
A copyright protection scheme downloads data from a server, typically over the World Wide Web to a client for presentation to a user. The downloaded data is cryptographically protected, by...
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