Patent application number | Description | Published |
20090080516 | METHOD OF ENCODING AND DECODING TEXTURE COORDINATES IN THREE-DIMENSIONAL MESH INFORMATION FOR EFFECTIVE TEXTURE MAPPING - Provided is a method of encoding and decoding texture coordinates of 3D mesh information. The method of encoding texture coordinates in 3D mesh information includes the steps of: setting an adaptive quantization step size used for quantizing the texture coordinates; quantizing the texture coordinates using the adaptive quantization step size; and encoding the quantized texture coordinates. | 03-26-2009 |
20090103631 | DEVICE AND METHOD FOR UNIFIED CODES - A unified codec device and method are disclosed. A decoding device includes a decoding description decoder, generating at least one table by using inputted decoding description; and a codec unit, decoding and outputting encoded video data, included in an inputted bit-stream, to moving picture data by using the table. With the present invention, a bit-stream, encoded by various formats according to each standard (e.g. MPEG-1, MPEG-2, MPEG-4 and MPEG-4 AVC), can be decoded by the same information recognizing method. | 04-23-2009 |
20090263029 | METHOD AND APPARATUS FOR ENCODING/DECODING 3D MESH INFORMATION - A method and apparatus for encoding and decoding three-dimensional mesh information are provided. The method and apparatus separately encode/decode order information of elements, such as vertices and faces, of a three-dimensional mesh model (original model) in consideration of a change in an element order during encoding three-dimensional mesh information for the original model. The method for encoding three-dimensional mesh information includes the steps of: encoding the three-dimensional mesh information and outputting an encoded bit-stream; calculating order information of at least one element in an original model contained in the three-dimensional mesh information; encoding the element order information; and generating packets of the encoded bit-stream, wherein the encoded element order information is inserted into the packet. | 10-22-2009 |
20090278844 | METHOD AND APPARATUS FOR ENCODING/DECODING 3D MESH INFORMATION INCLUDING STITCHING INFORMATION - Provided are encoding and decoding stitching information generated when the 3D mesh model that is the non-manifold or non-orientable model is converted into orientable and manifold models upon encoding the 3D mesh information of the 3D mesh model. The method of encoding 3D mesh information includes the steps of: encoding the 3D mesh information to output an encoded bitstream; encoding stitching information of elements contained in the 3D mesh information, the stitching information having a total number of duplicated original elements and, for each of the duplicated original elements, the duplication number, original-element identification information and duplicated-element identification information; and generating a packet of the bitstream, wherein the encoded stitching information is inserted into the packet. | 11-12-2009 |
20100034294 | BITSTREAM DECODING DEVICE AND METHOD - Disclosed are a bitstream decoding device and a method thereof. The decoding device includes a toolbox, configured to include a plurality of functional units which independently perform a predetermined process-each of the functional units is distinguished by using unique identifiable information; and a connection control unit, configured to selectively load at least one functional unit by using the identifiable information and to control a bitstream to be decoded as video data. With the present invention, it is possible to decode bitstreams, encoded in various ways according to each standard, by using the same information recognizing method. | 02-11-2010 |
20100054342 | BITSTREAM DECODING DEVICE AND METHOD - Disclosed are a bitstream decoding device and a method thereof. The decoding device can include a parser, configured to receive schema information for analyzing a bitstream and convert the bitstream to a meaningful datum to output the datum; and a decoding solution, configured to output a video datum by performing a bitstream decoding by use of the datum. With the present invention, it is possible to decode the bitstream encoded in various ways according to each standard by using the same information recognizing method. | 03-04-2010 |
20100123608 | METHOD AND APPARATUS FOR CODING AND DECODING USING BIT-PRECISION - Discussed are a method and an apparatus of encoding/decoding by using a bit precision. In accordance to an aspect of the present invention, it is possible to encoding and decoding an image or a video by using a bit precision. Accordingly, compression efficiency can be improved and the decoding complexity can be reduced by encoding/decoding video data by use of the bit precision. | 05-20-2010 |
20100127903 | METHOD AND APPARATUS FOR CODING AND DECODING USING BIT-PRECISION - Discussed are a method and an apparatus of encoding/decoding by using a bit precision. In accordance to an aspect of the present invention, it is possible to encoding and decoding an image or a video by using a bit precision. Accordingly, compression efficiency can be improved and the decoding complexity can be reduced by encoding/decoding video data by use of the bit precision. | 05-27-2010 |
20100128781 | METHOD AND APPARATUS FOR CODING AND DECODING USING BIT-PRECISION - Discussed are a method and an apparatus of encoding/decoding by using a bit precision. In accordance to an aspect of the present invention, it is possible to encoding and decoding an image or a video by using a bit precision. Accordingly, compression efficiency can be improved and the decoding complexity can be reduced by encoding/decoding video data by use of the bit precision. | 05-27-2010 |
20100158115 | METHOD AND APPARATUS FOR CODING AND DECODING USING BIT-PRECISION - Disclosed are a method and an apparatus of encoding/decoding by using a bit precision. In accordance to an aspect of the present invention, it is possible to encoding and decoding an image or a video by using a bit precision. Accordingly, compression efficiency can be improved and the decoding complexity can be reduced by encoding /decoding video data by use of the bit precision. | 06-24-2010 |
20100208829 | BITSTREAM DECODING DEVICE AND METHOD HAVING DECODING SOLUTION - A decoding device and method are disclosed. | 08-19-2010 |
20100220793 | BITSTREAM DECODING DEVICE AND METHOD - Disclosed are a bitstream decoding apparatus and a method thereof. The decoding apparatus can include: a decoder forming unit, configured to generate and output CSCI control information and connection control information by using partial decoder descriptions stored in a description storing unit; and a decoding solution, which selectively loads a plurality of functional units included in a toolbox by using the CSCI control information and the connection control information to decode a bitstream to video data. With the present invention, it is possible to decode various types of bitstreams according to each of various standards by using an identical information recognizing method. | 09-02-2010 |
20100266217 | 3D CONTENTS DATA ENCODING/DECODING APPARATUS AND METHOD - A 3D contents data encoding method includes receiving a plurality of primitive data contained in 3D contents data, and encoding each of the received primitive data in accordance with a predetermined encoding order for the primitive data. | 10-21-2010 |
20100278268 | METHOD AND DEVICE FOR VIDEO CODING AND DECODING - A method of encoding/decoding a video and an apparatus thereof are disclosed. An embodiment of the present invention provides an encoding/decoding method and apparatus thereof that can interpolate a frame to be skipped with the consideration of the property of the frame. Accordingly, an embodiment of the present invention can encode and decode by using a frame-skipping method having low complexity. | 11-04-2010 |
20100278273 | DEVICE AND METHOD FOR ENCODING/DECODING VIDEO DATA - Disclosed are a method of encoding/decoding video data and a device thereof. The device includes a toolbox, which stores a plurality of functional units, a reconstruction unit, which reconstructs a decoder description by receiving a compressed decoder description, a decoder description parsing unit, which converts the decoder description to an XML-based decoder description, an ADM generating unit, generates an abstract decoding model (ADM) by using the XML-based decoder description, and a decoding solution, which loads the plurality of functional units stored in the toolbox by using the ADM or the XML-based decoder description to decode input data to video data. With the present invention, it is possible to reconstruct and reassemble a decoder in various forms by using a decoder description. | 11-04-2010 |
20100322308 | Apparatus for encoding and decoding key data and key value data of coordinate interpolator and recording medium containing bitstream into which coordinate interpolator is encoded - An apparatus for encoding and decoding key data and key value data of a coordinate interpolator and a recording medium, on which a bitstream, into which a coordinate interpolator is encoded, is written, are provided. The bitstream includes key data encoding/decoding information, into which key data and information necessary to decode the key data are encoded, and key value data encoding/decoding information, into which key value data and information necessary to decode the key value data are. encoded. The key data encoding/decoding information includes inverse DND operation information including the order of inverse DND indicating a predetermined number of cycles of inverse DND to be performed on differential data generated by entropy-decoding the bitstream in order to extend the range of the differential data and maximum and minimum values among differential data used in each cycle of inverse DND operation, first inverse DPCM operation information including the order of inverse DPCM operation to be performed on the inverse-DNDed differential data so as to convert the inverse-DNDed differential data into quantized key data and intra key data which are used for each cycle of inverse DPCM operation, and first inverse quantization information used in inverse quantization to generate retrieved key data by inverse-quantizing the quantized key data. The key value data encoding/decoding information includes dictionary decoding information including information on symbols representing differential data of dictionary-encoded key value data, which are entropy-decoded from the bitstream, first position indexes indicating the positions of the symbols, and a dictionary decoding mode indicating a dictionary decoding method to be performed on the first position indexes, second inverse DPCM operation information including second position indexes indicating the positions of symbols, which are used in an inverse DPCM operation to convert dictionary-decoded differential data of components of each vertex into quantized key value data and correspond to combinations of inverse DPCM operation modes, and second inverse quantization information used in inverse quantization to generate retrieved key value data by inverse-quantizing the quantized key value data. | 12-23-2010 |
20110032985 | METHOD AND APPARATUS FOR ADAPTIVE DECODING - An adaptive decoding apparatus and a method of adaptive decoding are disclosed. The adaptive decoding apparatus configuring a decoding process adaptively based on an encoding format of inputted data includes: a separating part configured to separate decoding module configuration information and encoded data from inputted data received from an outside and to output the decoding module configuration information and the encoded data; a decoding module storing part configured to store a plurality of decoding modules, the decoding modules being configured to perform a predetermined unit of partial decoding process; a decoding module configuration information analyzing part configured to analyze the encoded data according to the decoding module configuration information and to generate and output syntax parsing control information and connection control information; and a decode executing part configured to form a reconfigured decoder by loading and connecting target decoding modules from the decoding module storing part by use of the connection control information and to decode the encoded data according to the syntax parsing control information by use of the reconfigured decoder. Accordingly, the decoding process can be adaptively configured for decoding, based on the encoding format of the inputted data. | 02-10-2011 |
20110037763 | METHOD AND APPARATUS FOR REAL TIME 3D MESH COMPRESSION, BASED ON QUANITZATION - An apparatus for 3D mesh compression based on quantization, includes a data analyzing unit ( | 02-17-2011 |
20110044410 | DEVICE AND METHOD FOR ENCODING/DECODING - A method of and an apparatus for encoding/decoding video data are disclosed. Included in the decoding apparatus are: a tool box that stores functional units; a decompression unit that receives a compressed decoder description and decompresses a CDDL-based decoder description; a decoder description analyzing unit that transforms the CDDL-based decoder description to an XML-based decoder description; an ADM generation unit that generates an abstract decoding model (ADM) using the XML-based decoder description; and a decoding solution that loads functional units stored in the tool box and decodes input data to video data by using the ADM or XML-based decoder description. With the present invention, it is possible to reconfigure and reconstruct a decoder in various way using the decoder description. | 02-24-2011 |
20110046923 | APPARATUS AND METHOD FOR LOW-COMPLEXITY THREE-DIMENSIONAL MESH COMPRESSION - An apparatus for compressing low-complexity 3D mesh, includes: a data analyzing unit for decomposing data of an input 3D mesh model into vertices information, property information representing property of the 3D mesh model, and connectivity information between vertices constituting the 3D mesh model; a mesh model quantizing unit for producing quantized vertices, property and connectivity information of the 3D mesh model by using the vertices, property and connectivity information; and a sharable vertex analysis unit for analyzing sharing information between shared vertices of the 3D mesh model. Further, the apparatus includes a data modulation unit for performing a circular DPCM prediction by using quantized values of the consecutive connectivity information of the 3D mesh model; and an entropy encoding unit for outputting coded data of the quantized vertices and property information, and differential pulse-code modulated connectivity information as a bitstream. | 02-24-2011 |
20110116554 | METHOD AND APPARATUS FOR ENCODING AND DECODING - A method and an apparatus for encoding and decoding video data are disclosed. A decoding apparatus in accordance with the present invention can include: a tool box unit configured to store a plurality of functional units; a decoder description analyzing unit configured to extract functional unit identification (FUID) from an inputted decoder description; a decoder forming unit configured to form a reconfigured decoder by loading and connecting pertinent functional units from the tool box based on the decoder description; and a decoding solution configured to decode input data by using the reconfigured decoder. The tool box unit can include a plurality of tool boxes in which the functional units are distinguished and stored according to their types. With the present invention, it is possible to reconfigure a decoder in various forms by use of the decoder description. | 05-19-2011 |
20110194654 | DECODING APPARATUS, DECODING METHOD, AND COMPUTER-READABLE STORAGE MEDIUM - Provided are a decoding apparatus and method. The decoding apparatus includes a repository and a configuration unit. The repository stores a plurality of functional units having an input port and an output port which are respectively represented as tokens. The configuration unit receives decoder description which includes an identifier of at least one of the functional units and connection relationship information between the functional units, selects each functional unit corresponding to the received identifier from the repository, and connects the selected functional units by using the token to configure a variable decoder. The decoding apparatus and method defines the connection relationships between a plurality of functional units that configure a decoder, and thus can quickly and dynamically configure a decoder suitable for various encoding schemes. Accordingly, the decoding apparatus and method enable to easily verify suitability in each level of encoding, decoding and standardization and achieve the concentration of information, thereby accelerating the progress and standardization of technologies. | 08-11-2011 |
20110243250 | DEVICE AND METHOD FOR ENCODING/DECODING - An apparatus and a method for encoding/decoding video data are disclosed. In one embodiment, the decoding apparatus includes: i) a toolbox unit configured to store a plurality of functional units, ii) a separation unit configured to receive a decoder description and separate the decoder description into schema information and connection control information and output the schema information and the connection control information. The decoding apparatus may further include iii) a parser configured to parse and output input bitstream by using the schema information, iv) a decoder forming unit configured to load and connect pertinent functional units from the toolbox unit based on the connection control information and to form a reconfigured decoder; and v) a decoding solution configured to decode the bitstream outputted from the parser by using the reconfigured decoder. At least one embodiment can reconfigure a decoder in various form by using the decoder description. | 10-06-2011 |
20110299603 | DEVICE AND METHOD FOR ENCODING/DECODING - A device and a method for encoding/decoding are disclosed. The encoding apparatus includes: an encoding unit configured to encode data and generate encoded data; a decoder description generation unit configured to generate a decoder description that describes functional units (FUs) constituting a decoder for decoding the encoded data and the connection relation of the FUs; an FU list generation unit configured to generate and output an FU list for FUs constituting a decoder for decoding the encoded data; and a packetizing unit configured to be inputted with the encoded data, to be inputted with a decoder description, an FU list and FUs corresponding to the inputted encoded data, and to packetize and output said decoder description, FU list and FUs. | 12-08-2011 |
20120020233 | APPARATUS AND METHOD FOR RECEIVING DATA IN A COMMUNICATION SYSTEM - An apparatus for receiving data in a communication system includes a parser configured to receive multimedia data and analyze the multimedia data into a plurality of tokens; a plurality of decoding units configured to receive input tokens corresponding to them among the plurality of tokens and decode the multimedia data; and a scheduler configured to schedule the plurality of tokens and transmit the respective input tokens to the plurality of decoding units at precise times, wherein the plurality of decoding units decode the multimedia data by the input tokens transmitted from the scheduler and provide a multimedia service. | 01-26-2012 |
20130195185 | APPARATUS AND METHOD FOR PROVIDING ADDITIONAL INFORMATION TO FUNCTIONAL UNIT IN RECONFIGURABLE CODEC - Disclosed herein is an apparatus and method for providing additional information to an FU in a reconfigurable codec. The apparatus includes a syntax parser, a prediction mode converter unit, and an inverse prediction unit. The syntax parser parses the encoding type value of a multimedia bit stream and a first prediction mode value from the multimedia bit stream. The prediction mode converter unit converts the first prediction mode value into a second prediction mode value corresponding to the encoding type value. The inverse prediction unit determines an inverse prediction operating mode based on the second prediction mode value. | 08-01-2013 |