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| Number | Title | Issue Date |
| 8189674 | Decoding method, program for decoding method, recording medium with recorded program for decoding method, and decoding device A decoding method and device for decoding a coefficient data row subjected to orthogonal transform processing in a predetermined coding processing unit from an input bit stream in which using a table selected corresponding to the number of unprocessed coefficient da... | 05/29/2012 |
| 8135071 | Breakpoint determining for hybrid variable length coding using relationship to neighboring blocks A method, and apparatus, and logic encoded in one or more computer-readable tangible medium to carry out a method. The method is to code an ordered sequence of quantized transform coefficients of a block of image data using a hybrid coding method that includes deter... | 03/13/2012 |
| 8135072 | CAVLC run before encode with zero cycle costs An apparatus including a control circuit and an encoder circuit. The control circuit may configured to generate a first control signal and a second control signal. The encoder circuit may be configured to (i) receive a plurality of coefficients, the first control si... | 03/13/2012 |
| 8116378 | Variable length decoding method The present invention is to provide a variable length decoding method for decoding complete binary tree code, which is implemented to an entropy coding module for executing the process comprising the steps of: procuring a TabIndex to calculate a value T=└log2... | 02/14/2012 |
| 8111755 | Method and system for low-complexity Slepian-Wolf rate estimation in Wyner-Ziv video encoding A method and system for low-complexity Slepian-Wolf rate estimator in a hybrid Wyner-Ziv video encoder determines the minimum Slepian-Wolf code rate required to allow correct decoding. The Slepian-Wolf estimator does not assume ideality of source and side-informatio... | 02/07/2012 |
| 8102919 | Image coding apparatus and image decoding apparatus An image coding apparatus which reduces buffer capacity to a minimum and includes an image coding processing unit which generates intermediate data by executing a part of a process in the coding on the image data; a packetizing unit which generates an image stream b... | 01/24/2012 |
| 8098735 | Efficient 8×8 CABAC residual block decode A circuit generally having 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 an 8×8 CABAC (context-based adaptive binary arithmetic coding) residual b... | 01/17/2012 |
| RE43111 | Picture signal transmitting method and apparatus A picture type identifier, indicating one of intra-picture coding (an I-picture), forward or backward predictive coding (a P-picture) and bi-directionally predictive coding (a B-picture), is included with a picture signal when the signal is encoded and when the sign... | 01/17/2012 |
| 8098736 | Variable length coding method and variable length decoding method A variable length coding method is comprised of: a coefficient value scanning step in which an RL sequence generation unit 203, a reordering unit 202, and a binarization unit 203 scan coefficient values within a block in a predetermined scanning... | 01/17/2012 |
| 8094724 | Order value for specifying relationship between video pictures 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 relative timing of nearby video pictures to be encoded in a very efficient... | 01/10/2012 |
| 8090027 | Data compression using an arbitrary-sized dictionary A data compression method improves Lempel-Ziv (“LZ”) compression by encoding the offsets produced during LZ compression as variable-bit-length (“VBL”) encoded integers, and outputting the VBL integers as part of the compressed data. Other integers produced d... | 01/03/2012 |
| 8090026 | Using order difference for calculating motion vector 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 relative timing of nearby video pictures to be encoded in a very efficient... | 01/03/2012 |
| 8085851 | Moving image encoding method and apparatus A moving image encoding method of encoding a moving image while switching between variable-length encoding schemes. In this method, a continuous unit to be continuously reproduced is determined (S5201), a stream is generated by encoding the moving image witho... | 12/27/2011 |
| 8040954 | Picture coding and decoding apparatuses and methods performing variable length coding and decoding on a slice header stream and arithmetic coding and decoding on a slice data stream A frame coding unit generates individual picture signal information from a moving picture signal, and outputs a frame code value which is a numeric value to be obtained as a result of coding picture signal information of each frame. A variable length coding unit dec... | 10/18/2011 |
| 8005146 | Variable length coding method and variable length decoding method A variable length coding method is comprised of: a coefficient value scanning step in which an RL sequence generation unit 203, a reordering unit 202, and a binarization unit 203 scan coefficient values within a block in a predetermined scanning... | 08/23/2011 |
| 7995656 | Scalable video coding with two layer encoding and single layer decoding Some embodiments comprise a method of decoding a video bitstream that include receiving a first layer of data and a second layer of data, combining the received first layer data and the received second layer data, and decoding the combined data. Also, a method of vi... | 08/09/2011 |
| 7995655 | Pipelined coefficient variable length coding According to a coefficient variable length coding method adopting four-stage pipeline, a 3-dimension value including a run, a level and a last data is obtained by performing a run length coding upon coefficient data, where, after transferring the 3-dimension value, ... | 08/09/2011 |
| 7991052 | Variable general purpose compression for video images (ZLN) Methods, medium, and machines which compress, enhance, encode, transmit, decode, decompress and display digital video images in real time. Real time compression is achieved by sub-sampling each frame of a video signal, filtering the pixel values, and encoding. Real ... | 08/02/2011 |
| 7983342 | Macro-block level parallel video decoder A macro-block level parallel video decoder for a parallel processing environment is provided. The video decoder includes a Variable Length Decoding (VLD) block for decoding the encoded Discrete Cosine Transform (DCT) coefficients, a master node that receives the dec... | 07/19/2011 |
| 7970059 | Variable length coding method and variable length decoding method A variable length coding method is comprised of: a coefficient value scanning step in which an RL sequence generation unit 203, a reordering unit 202, and a binarization unit 203 scan coefficient values within a block in a predetermined scanning... | 06/28/2011 |
| 7916792 | Apparatus and method for VLD buffer management Disclosed is a management apparatus and method of 32-bit double VLD buffers capable of reading a bitstream for video decoding in a digital TV receiver in a predetermined bit data unit length. Particularly, the first VLD buffer is used for directly storing an input s... | 03/29/2011 |
| 7903741 | Context-adaptive variable length coder with simultaneous storage of incoming data and generation of syntax elements A variable-length coding apparatus which receives image data block by block, and generates coded data from syntax elements. A storage unit temporarily stores the image data, while, at the same time, a first syntax element calculating unit calculates a first syntax e... | 03/08/2011 |
| 7894532 | Variable-length encoding apparatus and method A variable-length encoding apparatus receives image data on a block basis, generates a plurality of syntax elements from the image data, and outputs an encoded stream by performing variable-length encoding of the syntax elements. This apparatus includes a block memo... | 02/22/2011 |
| 7881385 | Video decoding system supporting multiple standards System and method for decoding digital video data. The decoding system employs hardware accelerators that assist a core processor in performing selected decoding tasks. The hardware accelerators are configurable to support a plurality of existing and future encoding... | 02/01/2011 |
| 7843998 | Method for improved entropy coding The invention is related to entropy coding/decoding of transform coefficient data in video compression systems. For entropy coding coefficients representing a block in a video image, a preferred embodiment of the present invention introduces events combining the pos... | 11/30/2010 |
| 7839932 | Method and apparatus for encoding or decoding two digital video signals arranged in a single-video signal path In high-end professional video cameras, a triax system transfers various signals back and forth over a single coaxial cable between the camera and a base unit using frequency multiplexing. Current low-cost camera systems transfer several signals as analogue signals ... | 11/23/2010 |
| 7830963 | Decoding jointly coded transform type and subblock pattern information Techniques and tools are described for decoding jointly information. For example, a decoder decodes a variable length [“VLC”] signaled at macroblock level that jointly represents a transform type signal level, transform type, and subblock pattern. The decoder de... | 11/09/2010 |
| 7830964 | Method and/or apparatus for parsing compressed video bitstreams An apparatus including a parsing circuit and a control circuit. The parsing circuit may be configured to generate a plurality of decoded syntax elements in response to (i) a serial bitstream and (ii) a control signal. The control circuit may be configured to generat... | 11/09/2010 |
| 7796693 | Search algorithms for using related decode and display timelines A sequence of video images represented using multiple related timelines can be searched by identifying a first point on a first timeline associated with the sequence of video images, wherein the sequence of video images is comprised of one or more samples, determini... | 09/14/2010 |
| 7782956 | Signal compressing system A multi-scanner scans a signal according to several different patterns. A scanning pattern selector determines which scanning pattern produced the most efficient coding result, for example, for runlength coding, and outputs a coded signal, coded most efficiently, an... | 08/24/2010 |
| 7756205 | Moving image encoding method and apparatus A moving image encoding method of encoding a moving image while switching between variable-length encoding schemes. In this method, a continuous unit to be continuously reproduced is determined (S5201), a stream is generated by encoding the moving image witho... | 07/13/2010 |
| 7742528 | Variable length encoding method and variable length decoding method A variable length coding method is comprised of: a coefficient value scanning step in which an RL sequence generation unit 203, a reordering unit 202, and a binarization unit 203 scan coefficient values within a block in a predetermined scanning... | 06/22/2010 |
| 7724828 | Signal compressing system A multi-scanner scans a signal according to several different patterns. A scanning pattern selector determines which scanning pattern produced the most efficient coding result, for example, for runlength coding, and outputs a coded signal, coded most efficiently, an... | 05/25/2010 |
| 7724829 | Signal compressing system A multi-scanner scans a signal according to several different patterns. A scanning pattern selector determines which scanning pattern produced the most efficient coding result, for example, for runlength coding, and outputs a coded signal, coded most efficiently, an... | 05/25/2010 |
| 7724827 | Multi-layer run level encoding and decoding Entropy coding and decoding techniques are described, which may be implemented separately or in combination. For example, a video encoder uses two-layer run level coding to reduce bitrate for frequency transform coefficients in a quick and efficient manner, and a vi... | 05/25/2010 |
| 7706448 | Reversible diffusion-based compression Subject matter includes exemplary methods of reversible diffusion-based compression and an exemplary compression engine. In one implementation, a reversible diffusion function is applied to decrease high spatial frequency pixel values in an image or a prediction err... | 04/27/2010 |
| 7697613 | Method for providing an extension code for a binary description for multimedia data For the binary representation of a description corresponding to an extended description scheme, the same principles as in the MPEG-7 binary format could in principle be used, however, the resulting binary format is different from the binary format of the original MP... | 04/13/2010 |
| 7684490 | Signal compressing system A multi-scanner scans a signal according to several different patterns. A scanning pattern selector determines which scanning pattern produced the most efficient coding result, for example, for runlength coding, and outputs a coded signal, coded most efficiently, an... | 03/23/2010 |
| 7664182 | Picture coding and decoding apparatuses and methods performing variable length coding and decoding on a slice header stream and arithmetic coding and decoding on a slice data stream A frame coding unit generates individual picture signal information from a moving picture signal, and outputs a frame code value which is a numeric value to be obtained as a result of coding picture signal information of each frame. A variable length coding unit dec... | 02/16/2010 |
| 7660355 | Low complexity transcoding between video streams using different entropy coding A method for transcoding between video streams using different entropy coding, comprising the steps of (A) decoding a first video stream using a first set of entropy codes, and (B) generating a second video stream by entropy encoding the decoded first video stream u... | 02/09/2010 |
