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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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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.,...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...