|
Match
|
Document |
Document Title |
|
|
7397958 |
Method and device for selecting data in a communication network
The invention relates to a method of selecting data of a compressed digital signal comprising a plurality of levels of spatial granularity of data, in a communication network comprising at least...
|
|
|
7394942 |
Variable length coding method and apparatus for video compression
A method and an apparatus to encode a series of quantized coefficients of a transform of a block of image data. The method includes forming modes for each encountered non-zero amplitude and forming...
|
|
|
7391909 |
Data manipulation
A method for performing a reordering operation on a matrix of input data values, the method comprising: loading the data values into a computer store by forming a plurality of data strings, each...
|
|
|
7388993 |
Parameter selection in data compression and decompression
Apparatus and method for selecting an appropriate parameter at decompression are disclosed. In particular, when adaptive block size discrete cosine transform compression is used to compress data,...
|
|
|
7386176 |
Image sending apparatus and image receiving apparatus for sending and receiving code sequence data
An image sending apparatus is provided, in which the image sending apparatus comprises an analyzing syntax of code sequence data, a generation unit generating another code sequence data from the...
|
|
|
7375660 |
Huffman decoding method
The present invention relates to a Huffman decoding method. Firstly, a Huffman table including multiple Huffman codes and multiple corresponding size/symbol codes is extracted. Each Huffman code...
|
|
|
7369066 |
Efficient 8×8 CABAC residual block transcode system
A circuit generally including a first module, a second module and a third module is disclosed. The first module may be configured to (i) generate a plurality of parsed residual blocks by parsing a...
|
|
|
7365659 |
Method of context adaptive binary arithmetic coding and coding apparatus using the same
A method of context adaptive binary arithmetic coding (CABAC) of a sequence of data slices permits for quick initialization of context models. The data slices include a plurality of binarized...
|
|
|
7352811 |
Data encoding apparatus and method
A data encoding apparatus operable to encode a plurality of data blocks produces encoded data in accordance with at least one of a selectable target data quantity or a selectable target data...
|
|
|
7333663 |
Method and apparatus for efficient entropy coding of images
Method and apparatus for encoding image data is described. In an example, a memory stores bit-planes associated with the image data. Each of the bit-planes is partitioned into data units. A bit...
|
|
|
7327892 |
JPEG2000 encoder
The image quality value of the code block currently processed is monitored, and when it falls below a threshold, encoding of the code block is terminated (in other words, encoding in the subsequent...
|
|
|
7308099 |
Device and method for producing an encoded audio and/or video data stream
An apparatus for generating an encrypted data stream representing an audio and/or video signal comprises an encoder for encoding an input signal to generate a data stream with a predefined data...
|
|
|
7292163 |
Circuit for and method of encoding a data stream
A circuit for encoding a data stream is described. The circuit comprises a non-zero count circuit coupled to receive the data stream and output a count of non-zero coefficients of a block of data...
|
|
|
7292731 |
Image encoder, image decoder, image encoding method, and image decoding method
The image coding apparatus is constituted comprising an atom extraction section 109 for acquiring position data indicating the positions of atoms of prediction residual data in macroblocks, for...
|
|
|
7292636 |
Using order value for processing a video picture
A method and apparatus for variable accuracy inter-picture timing specification for digital video encoding is disclosed. Specifically, the present invention discloses a system that allows the...
|
|
|
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...
|
|
|
7272185 |
Moving picture encoding apparatus
Data of both MPEG-2 and MPEG-4 is generated simultaneously with a small circuit scale and a small power consumption. A moving picture encoding apparatus for encoding a moving picture through...
|
|
|
7266148 |
Video transcoding apparatus
Disclosed is a video transcoding apparatus converting a specific bit rate of an MPEG (moving pictures experts group) bit stream into a different rate thereof for transportation. The present...
|
|
|
7262884 |
Image processing apparatus and image processing method
A white background determination section performs a white background determination on the basis of a white threshold calculated by a white threshold calculation section and an area size selected by...
|
|
|
7262719 |
Fast data stream decoding using apriori information
Methods and systems for improving performance of data decoding using apriori information about the data steam. In one aspect a decoder may determine the degree of lossiness inherent in the data or...
|
|
|
7245778 |
Methods, devices and systems for compressing images
Methods, devices and systems for compressing images are provided. One method includes creating halftone mask structures and applying compression coding techniques to arrayed pixels sorted using the...
|
|
|
7245772 |
Computer system and method for decompressing video data
A system for decompressing a bit stream of compressed data representing a plurality of image blocks. This includes a two-step method of processing both a DC code and a plurality of AC codes. With...
|
|
|
7239754 |
Method, apparatus and system for compressing still images in multipurpose compression systems
The present invention teaches a method of compressing still images in a multi-purpose compression system. The current invention teaches preprocessing of the images to a YUV 4:2:0 format and...
|
|
|
7236530 |
Variable-length decoding apparatus and decoding method
Encoded data using reversible variable length code words is input to a forward decoder ( 123 ) to be decoded in the forward direction. When an error is detected in the encoded data in the forward...
|
|
|
7233619 |
Variable general purpose compression for video images (ZLN)
Methods, medium, and machines which compress, enhance, encode, transmit, decompress and display digital video images in real time. Real time compression is achieved by sub-sampling each frame of a...
|
|
|
7231093 |
Image code estimation
Estimation of the code size of variable length encoding of quantized DCT coefficients by summation over histogram bins of products of number of bin members and a code size of an average run of zero...
|
|
|
7227898 |
Digital signal conversion method and digital signal conversion device
An inputted digital signal of a first format (DV video signal) is restored to a variable-length code by having its framing cancelled by a de-framing section 11 , then decoded by a variable-length...
|
|
|
RE39645 |
Compressed image decompressing device
An image processing device which processes a portion of the decompression process including a lot of comparatively complex operations like an inverse discrete cosine transform by software with...
|
|
|
7215707 |
Optimal scanning method for transform coefficients in coding/decoding of image and video
An optimal scanning method for coding/decoding an image signal is provided. In a method of coding an image signal through a discrete cosine transform, at least one is selected among a plurality of...
|
|
|
7212680 |
Method and apparatus for differentially compressing images
Provided are an image compression method and apparatus for differentially encoding digital image signals based on a Joint Photographic Experts Group (JPEG) image compression standard. RGB image...
|
|
|
7205915 |
Method of decoding variable length prefix codes
The method disclosed may be used together with any prefix oriented decoding method to enable faster decoding of variable length codes when a subset of most frequently used codes with relatively...
|
|
|
7203235 |
Architecture and method for fine granularity scalable video coding
A robust fine granularity scalability video encoding includes a base layer encoder and an enhancement layer encoder in which motion compensated difference images are generated by comparing an...
|
|
|
7185264 |
Image processing apparatus and method therefor
For always executing an efficient and appropriate error compensation process and improving the convenience of the user, an image processing apparatus and a method enters encoded image data...
|
|
|
7177441 |
System and method for secret communication
We present a communication system which enables two or more parties to secretly communicate through an existing digital channel which has a primary function other than this secret communication. A...
|
|
|
7177355 |
Method for representing encoding upon coding information
A method of representing encoding or non-encoding by extending a video information field of a block when coding video information, is provided. The method of representing encoding or non-encoding...
|
|
|
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...
|
|
|
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...
|
|
|
7164803 |
Method for encoding digitized images
A method of encoding a digitised image including several pixel lines, which consists in encoding one line with a series of sub-codes characteristic of the length of the successive fields and their...
|
|
|
7161509 |
Variable-length code decoding apparatus and method
There are provided a variable-length code decoding apparatus and method which can perform high-speed decoding processing without decreasing an image size and frame rate. A variable-length code...
|
|
|
7158684 |
Entropy coding scheme for video coding
A method of variable length coding classifies each received symbol into one of a plurality of classifications having a corresponding variable length code table selected based upon a probability...
|
|
|
7151856 |
Picture coding apparatus and picture coding method
A frame group target bits number calculating unit ( 31 ) reads the total number of bits on frame group basis allocatable to residual frames from a storing unit ( 36 ), updates subtracting the...
|
|
|
7145952 |
Dynamic selection of field/frame-based MPEG video encoding
A discrete cosine transform (DCT) level enhancement to Motion Picture Experts Group (MPEG) video encoding is described that results in a more concise bitstream than MPEG encoding without the...
|
|
|
7142235 |
Opportunistic improvement of digital camera image quality
Opportunistic image quality improvement in a digital camera. In a digital camera having a picture memory of fixed size for storing a predetermined number of pictures, raw image data is compressed...
|
|
|
7133567 |
Image coding apparatus and image coding method
A bit-plane processor reads out a code block, which serves as a unit for arithmetic coding, from an SRAM. After converting the code block to the form of a bit-plane, the bit-plane processor...
|
|
|
7133561 |
Palettized image compression
An adaptive entropy coder is coupled with a localized conditioning context to provide efficient compression of images with localized high frequency variations. In one implementation, an arithmetic...
|
|
|
7130475 |
Apparatus and method of encoding/decoding a coded block pattern
The present invention selectively applies one of VLC tables stored in a memory for encoding a coded block pattern of a macroblock according to the number of blocks having an object within the...
|
|
|
7130074 |
Image encoding and recording apparatus
An image recording apparatus is provided. The image recording apparatus includes a generator that generates information of recordable capacity of a storage and a holder for holding in advance data...
|
|
|
7126506 |
Lossless adaptive encoding and decoding of integer data
A method and system of lossless compression of integer data using a novel backward-adaptive technique. The adaptive Run-Length and Golomb/Rice (RLGR) encoder and decoder (codec) and method switches...
|
|
|
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...
|
|
|
7111094 |
System, method and algorithm for the optimization of entropy for lossless compression
A system, method and algorithm for performing statistical analysis on an input data source to determine an optimal token size resulting in an increased ratio value is described. Changes to the...
|