Patent application number | Description | Published |
20120300850 | IMAGE ENCODING/DECODING APPARATUS AND METHOD - Motion vector for input coding unit is generated, motion compensation is performed on the basis of generated motion vector to generate prediction signal, weight parameter is generated on prediction unit basis, weight parameter is applied to the prediction signal to generate prediction macro block, and residue value is generated on the basis of received coding unit and the prediction block. The same motion parameter is allocated to the merged blocks, and the blocks are transmitted to decoder. Image encoding/decoding method selects interpolating filters to be used in inter-frame prediction based on motion compensation, for units more precise than picture unit, wherein said more precise units include at least one of slice unit and partition unit, and calculates sub-pixel values. According to present invention, quality of encoded image can be improved, and efficiency of encoding high resolution images having resolution higher than high definition (HD) class can be improved. | 11-29-2012 |
20120301040 | IMAGE ENCODING/DECODING METHOD FOR RATE-DISTORTION OPTIMIZATION AND APPARATUS FOR PERFORMING SAME - Disclosed are an image encoding/decoding method for rate-distortion optimization and an apparatus for performing the same. A macro block to be encoded is provided, any one of inter-frame prediction and intra-frame prediction is executed to generate a predictive macro block, a residual prediction block is generated on the basis of the generated predictive macro block and the provided macro block, and then the generated residual prediction block is transformed by applying a transform matrix having the highest encoding efficiency among a plurality of predetermined transform matrixes to the generated residual prediction block. Accordingly, it is possible to optimize the rate-distortion, and thus to enhance the quality of an image. | 11-29-2012 |
20130129237 | METHOD AND APPARATUS FOR ENCODING/DECODING HIGH RESOLUTION IMAGES - The invention relates to methods and apparatuses for encoding/decoding high resolution images, which involve setting the size of the prediction unit to be encoded to an expanded macro-block size in accordance with the temporal frequency characteristics or spatial frequency characteristics among pictures to be encoded, and performing motion prediction motion compensation, and transformation on the basis of a set prediction unit size. In addition, the methods and the apparatuses of the present invention involve dividing a macro-block having a pixel size of 32*32 or 64*64 into at least one partition on the basis of an edge, and performing encoding processes for each partition. Accordingly, encoding efficiency can be improved for high definition (HD) or higher resolution high-resolution images. | 05-23-2013 |
20150016354 | APPARATUS AND METHOD FOR DOWNLINK DATA TRANSMISSION ON LTE D2D COMMUNICATIONS - A system and method for transmitting downlink data on LTE D2D communications are disclosed, which can efficiently use an existing channel of LTE without providing a separate channel for the D2D communications. The system for transmitting downlink data on LTE D2D communications includes a first base station configured to wirelessly provide a mobile communication service; and a first terminal configured to receive the mobile communication service from the first base station, wherein the first terminal performs D2D communications with at least one of a second terminal configured to wirelessly receive the mobile communication service from the first base station, a third terminal configured to receive the mobile communication service from a second base station that wirelessly provides a mobile communication service in a different area from the first base station, and a fourth terminal which does not receive the mobile communication service. | 01-15-2015 |
20150016355 | APPARATUS AND METHOD FOR BROADCASTING DATA TRANSMISSION ON LTE D2D COMMUNICATIONS - A system and method for transmitting broadcasting data on LTE D2D communications are disclosed, which can efficiently use an existing channel of LTE without providing a separate channel for the D2D communications. The system for transmitting broadcasting data on LTE D2D communications includes a first base station configured to wirelessly provide a mobile communication service; and a first terminal configured to receive the mobile communication service from the first base station, wherein the first terminal performs D2D communications with at least one of a second terminal configured to wirelessly receive the mobile communication service from the first base station, a third terminal configured to receive the mobile communication service from a second base station that wirelessly provides a mobile communication service in a different area from the first base station, and a fourth terminal which does not receive the mobile communication service. | 01-15-2015 |
20150016356 | SYSTEM AND METHOD FOR MANAGING FREQUENCIES ON LTE D2D COMMUNICATIONS - A system and method for managing frequencies on LTE D2D communications are disclosed, which can efficiently use an existing channel of LTE without providing a separate channel for the D2D communications. The system for managing frequencies on LTE D2D communications includes a first base station configured to wirelessly provide a mobile communication service; and a first terminal configured to receive the mobile communication service from the first base station, wherein the first terminal performs D2D communications with at least one of a second terminal configured to wirelessly receive the mobile communication service from the first base station, a third terminal configured to receive the mobile communication service from a second base station that wirelessly provides a mobile communication service in a different area from the first base station, and a fourth terminal which does not receive the mobile communication service. | 01-15-2015 |
20150016357 | System and method for D2D communication in LTE cellular coverage - A system and method for D2D communications in LTE cellular coverage are disclosed, which can efficiently use the data communications between the D2D terminals without interference in the LTE base station coverage. The system for D2D communications in LTE cellular coverage includes a first base station configured to wirelessly provide a mobile communication service; and a first terminal configured to receive the mobile communication service from the first base station, wherein the first terminal performs D2D communications with at least one of a second terminal configured to wirelessly receive the mobile communication service from the first base station, a third terminal configured to receive the mobile communication service from a second base station that wirelessly provides a mobile communication service in a different area from the first base station, and a fourth terminal which does not receive the mobile communication service. | 01-15-2015 |
20150016358 | System and metod for lte D2D communications - A system and method for LTE D2D communications are disclosed, which can perform direct communications between terminals without using an LTE base station. The system for LTE D2D communications includes a first base station configured to wirelessly provide a mobile communication service, and a first terminal configured to receive the mobile communication service from the first base station, wherein the first terminal performs D2D communications with at least one of a second terminal configured to wirelessly receive the mobile communication service from the first base station, a third terminal configured to receive the mobile communication service from a second base station that wirelessly provides a mobile communication service in a different area from the first base station, and a fourth terminal which does not receive the mobile communication service. | 01-15-2015 |
20150016737 | METHODS AND APPARATUSES FOR ENCODING/DECODING HIGH RESOLUTION IMAGES - The invention relates to methods and apparatuses for encoding/decoding high resolution images, which involve setting the size of the prediction unit to be encoded to an expanded macro-block size in accordance with the temporal frequency characteristics or spatial frequency characteristics among pictures to be encoded, and performing motion prediction motion compensation, and transformation on the basis of a set prediction unit size. In addition, the methods and the apparatuses of the present invention involve dividing a macro-block having a pixel size of 32*32 or 64*64 into at least one partition on the basis of an edge, and performing encoding processes for each partition. Accordingly, encoding efficiency can be improved for high definition (HD) or higher resolution high-resolution images. | 01-15-2015 |
20150016738 | METHODS AND APPARATUSES FOR ENCODING/DECODING HIGH RESOLUTION IMAGES - The invention relates to methods and apparatuses for encoding/decoding high resolution images, which involve setting the size of the prediction unit to be encoded to an expanded macro-block size in accordance with the temporal frequency characteristics or spatial frequency characteristics among pictures to be encoded, and performing motion prediction motion compensation, and transformation on the basis of a set prediction unit size. In addition, the methods and the apparatuses of the present invention involve dividing a macro-block having a pixel size of 32*32 or 64*64 into at least one partition on the basis of an edge, and performing encoding processes for each partition. Accordingly, encoding efficiency can be improved for high definition (HD) or higher resolution high-resolution images. | 01-15-2015 |
20150016739 | METHODS AND APPARATUSES FOR ENCODING/DECODING HIGH RESOLUTION IMAGES - The invention relates to methods and apparatuses for encoding/decoding high resolution images, which involve setting the size of the prediction unit to be encoded to an expanded macro-block size in accordance with the temporal frequency characteristics or spatial frequency characteristics among pictures to be encoded, and performing motion prediction motion compensation, and transformation on the basis of a set prediction unit size. In addition, the methods and the apparatuses of the present invention involve dividing a macro-block having a pixel size of 32*32 or 64*64 into at least one partition on the basis of an edge, and performing encoding processes for each partition. Accordingly, encoding efficiency can be improved for high definition (HD) or higher resolution high-resolution images. | 01-15-2015 |
20150016740 | METHODS AND APPARATUSES FOR ENCODING/DECODING HIGH RESOLUTION IMAGES - The invention relates to methods and apparatuses for encoding/decoding high resolution images, which involve setting the size of the prediction unit to be encoded to an expanded macro-block size in accordance with the temporal frequency characteristics or spatial frequency characteristics among pictures to be encoded, and performing motion prediction motion compensation, and transformation on the basis of a set prediction unit size. In addition, the methods and the apparatuses of the present invention involve dividing a macro-block having a pixel size of 32*32 or 64*64 into at least one partition on the basis of an edge, and performing encoding processes for each partition. Accordingly, encoding efficiency can be improved for high definition (HD) or higher resolution high-resolution images. | 01-15-2015 |
20150049818 | IMAGE ENCODING/DECODING APPARATUS AND METHOD - Motion vector for input coding unit is generated, motion compensation is performed on the basis of generated motion vector to generate prediction signal, weight parameter is generated on prediction unit basis, weight parameter is applied to the prediction signal to generate prediction macro block, and residue value is generated on the basis of received coding unit and the prediction block. The same motion parameter is allocated to the merged blocks, and the blocks are transmitted to decoder. Image encoding/decoding method selects interpolating filters to be used in inter-frame prediction based on motion compensation, for units more precise than picture unit, wherein said more precise units include at least one of slice unit and partition unit, and calculates sub-pixel values. According to present invention, quality of encoded image can be improved, and efficiency of encoding high resolution images having resolution higher than high definition (HD) class can be improved. | 02-19-2015 |
20150055701 | IMAGE ENCODING/DECODING APPARATUS AND METHOD - Motion vector for input coding unit is generated, motion compensation is performed on the basis of generated motion vector to generate prediction signal, weight parameter is generated on prediction unit basis, weight parameter is applied to the prediction signal to generate prediction macro block, and residue value is generated on the basis of received coding unit and the prediction block. The same motion parameter is allocated to the merged blocks, and the blocks are transmitted to decoder. Image encoding/decoding method selects interpolating filters to be used in inter-frame prediction based on motion compensation, for units more precise than picture unit, wherein said more precise units include at least one of slice unit and partition unit, and calculates sub-pixel values. According to present invention, quality of encoded image can be improved, and efficiency of encoding high resolution images having resolution higher than high definition (HD) class can be improved. | 02-26-2015 |
20150055705 | IMAGE ENCODING/DECODING APPARATUS AND METHOD - Motion vector for input coding unit is generated, motion compensation is performed on the basis of generated motion vector to generate prediction signal, weight parameter is generated on prediction unit basis, weight parameter is applied to the prediction signal to generate prediction macro block, and residue value is generated on the basis of received coding unit and the prediction block. The same motion parameter is allocated to the merged blocks, and the blocks are transmitted to decoder. Image encoding/decoding method selects interpolating filters to be used in inter-frame prediction based on motion compensation, for units more precise than picture unit, wherein said more precise units include at least one of slice unit and partition unit, and calculates sub-pixel values. According to present invention, quality of encoded image can be improved, and efficiency of encoding high resolution images having resolution higher than high definition (HD) class can be improved. | 02-26-2015 |
20150055711 | IMAGE ENCODING/DECODING APPARATUS AND METHOD - Motion vector for input coding unit is generated, motion compensation is performed on the basis of generated motion vector to generate prediction signal, weight parameter is generated on prediction unit basis, weight parameter is applied to the prediction signal to generate prediction macro block, and residue value is generated on the basis of received coding unit and the prediction block. The same motion parameter is allocated to the merged blocks, and the blocks are transmitted to decoder. Image encoding/decoding method selects interpolating filters to be used in inter-frame prediction based on motion compensation, for units more precise than picture unit, wherein said more precise units include at least one of slice unit and partition unit, and calculates sub-pixel values. According to present invention, quality of encoded image can be improved, and efficiency of encoding high resolution images having resolution higher than high definition (HD) class can be improved. | 02-26-2015 |
20150063455 | METHODS AND APPARATUSES FOR PREDICTING DEPTH QUADTREE IN THREE-DIMENSIONAL VIDEO - A method of predicting and encoding depth information in a multi-view video includes encoding, by an encoding apparatus, depth information collocated with a texture of a current multi-view video picture in linkage with split information of a coding unit of the texture of the current multi-view video picture, the coding unit having a quadtree structure. The quantity of encoded data of depth information to be transmitted and complexity of encoding and decoding may be reduced by predicting and encoding depth information collocated with a texture of a current multi-view video picture in linkage with split information of a coding unit having a quadtree structure of the texture of the current multi-view video picture. | 03-05-2015 |
20150085933 | METHOD AND APPARATUS FOR ENCODING MULTI-VIEW IMAGES, AND METHOD AND APPARATUS FOR DECODING MULTI-VIEW IMAGES - The present invention relates to a method and apparatus for encoding images and to method and apparatus for decoding images. The method for encoding a current predicted unit in a 3D image includes: selecting the motion vector of a neighboring block as the predicted motion vector candidate of the current predicted unit, wherein the motion vector of the neighboring block belongs to the same group and has the same depth as the current predicted unit, from among the motion vectors of already encoded neighboring blocks of the current predicted block; and performing inter-prediction on the basis of the predicted motion vector candidate in order to predict the motion vector of the current predicted unit, and transmitting the predicted motion vector to a decoder. | 03-26-2015 |
Patent application number | Description | Published |
20130089265 | METHOD FOR ENCODING/DECODING HIGH-RESOLUTION IMAGE AND DEVICE FOR PERFORMING SAME - A method for encoding/decoding high-resolution image and a device for performing the same set the size of an extended macro-block as the size of a prediction unit to be encoded, according to a temporal frequency feature or a spatial frequency feature found therebetween at least one picture to be encoded, perform motion prediction and motion compensation using the set prediction unit size unit, and perform the conversion thereof. Also, a macro-block having 32×32 pixel or 64×64 pixel size is divided into at least one partition based on an edge, and encoding is performed on each of the divided partitions afterwards. Therefore, encoding efficiency for high definition (HD) or higher resolution images is enhanced. | 04-11-2013 |
20130166770 | METHODS OF TRANSMITTING AND RECEIVING A MEDIA INFORMATION FILE FOR HTTP STREAMING - Disclosed are methods of transmitting and receiving media information file for HTTP stream. Content is divided into segments, the segments are divided into segment sub groups, each of the divided segments grouping the segment sub groups, a meta media information file including information on a segment sub group is configured; and sub media information file including information on segments in a segment sub group is configured. When service initializes, the metal media information file is transmitted. When a transmission request for content is received, the sub media information file to which a playback request timing for content belongs is selected and transmitted by referring to the meta media information file, and then, a segment in a segment sub group corresponding to the sub media information file is transmitted. Thus, during HTTP streaming, initial transmission delay is reduced, and random access and trick mode playback are possible. | 06-27-2013 |
20130173760 | PROCESSING METHOD TO BE IMPLEMENTED UPON THE OCCURRENCE OF AN EXPRESSION SWITCH IN HTTP STREAMING - Disclosed is a processing method which enables natural reproduction in the event an expression switch occurs during an HTTP streaming transmission. The method involves: receiving a first media information file which stores information regarding segments in the event no expression switch occurs, and a second media information file which stores information regarding segments in the event an expression switch occurs; and receiving and reproducing segments of the content to be received with reference to the first information in the event no expression switch occurs, and receiving and reproducing segments of the content to be received with reference to the second information in the event an expression switch occurs. Thus, multimedia content may be provided without screen stoppage errors arising from changes in the dynamic environment of a channel. | 07-04-2013 |
20130204973 | METHOD FOR TRANSMITTING A SCALABLE HTTP STREAM FOR NATURAL REPRODUCTION UPON THE OCCURRENCE OF EXPRESSION-SWITCHING DURING HTTP STREAMING - Discussed is a processing method which enables natural reproduction upon the occurrence of representation switching during the transmission of an HTTP stream. The method includes: constructing, for a first representation, a plurality of segments including base layer of scalable video coding, constructing, for a second representation with a higher resolution than the first representation, a plurality of segments including enhanced layer of scalable video coding, and transmitting at least one of at least a part of the plurality of segments for the first representation and at least a part of the plurality of segments for the second representation, when transmitting the second representation. Only base layers may be extracted from the second representation and used as a reference in decoding low bit-rate segments to be reproduced in the future, thus multimedia content can be seamlessly displayed upon the occurrence of representation-switching. | 08-08-2013 |
20130258946 | CROSS-LAYER OPTIMIZATION METHOD IN A MULTIMEDIA TRANSMISSION SYSTEM, AND AN ABSTRACTION LAYER COMPONENT FOR THE SAME - Disclosed are cross-layer optimization method where information about lots of dynamic changes in wireless environment is shared and cross-layer optimization is implemented and abstraction layer component. Multimedia transmission layer operating method where optimization of first layer and second layer is implemented by using service information provided from first layer having transmission layer and network layer and second layer lower than datalink layer. The operating method includes upward abstraction step where service information provided to second layer is processed and processed service information is provided to multimedia transmission layer and downward abstraction step where indication information provided from multimedia transmission layer is processed and processed service information is provided to second layer. Consequently, there is advantage that all layers share diverse information about lots of dynamic changes in wireless environment, and the diverse information can be controlled to allow transmission where QoS is ensured more effectively. | 10-03-2013 |
Patent application number | Description | Published |
20120328035 | DATA TRANSMISSION METHOD AND APPARATUS IN MIMO COMMUNICATION SYSTEM - A method and apparatus for efficiently transmitting data in an MIMO communication system are provided. The method includes receiving first Channel State Information (CSI) fed back from a plurality of terminals; requesting feedback of second CSI from the respective terminals, the second CSI differing from the first CSI; and determining the terminals to be grouped by using at least one of the first CSI and second CSI, when the second CSI is fed back from the respective terminals. | 12-27-2012 |
20130070723 | METHOD FOR DIFFERENTIAL PRECODING AND BASE STATION SUPPORTING SAME - Provided is a differential precoding method for reducing inter-user interference and increasing the sum rate. The differential precoding method comprises initializing a precoding matrix with a first (Precoding Matrix Indicator (PMI) for a channel between a mobile station and a base station; and updating the precoding matrix with a second PMI for the channel and side information for adaptively updating the precoding matrix according to a change speed of a state of the channel, wherein the side information has a quantized scalar value. | 03-21-2013 |
20130108182 | APPARATUS AND METHOD FOR ENCODING/DECODING IMAGES FOR INTRA-PREDICTION CODING | 05-02-2013 |
20130122924 | METHOD FOR MITIGATING INTERFERENCE CAUSED BY BASE STATIONS, AND TERMINALS AND BASE STATIONS SUPPORTING THE METHOD - Provided is a method of mitigating interference caused by a base station. The method includes (a) determining whether there is an accessible base station among one or more base stations, and (b) sequentially determining channel information, which enables minimization of transmission power of each of the base stations, by base station among channel information between each of the base stations and a terminal to transmit the determined channel information to each of the base stations until an accessible base station is found when there is no accessible base station. | 05-16-2013 |
20130128978 | METHODS FOR ENCODING/DECODING OF VIDEO USING COMMON MERGING CANDIDATE SET OF ASYMMETRIC PARTITIONS - The present invention provides video encoding and decoding methods using block merging, which can be applied to a high resolution video of more than HD (High Definition) resolution. A video encoding method includes partitioning a current block into a first and a second prediction unit by using asymmetric partitioning, constructing a list of common merging candidate blocks including a predetermined number of common merging candidate blocks selected from adjacent blocks of the current block, selecting at least one candidate block from among the list of common merging candidate blocks and sending information of the selected candidate block to a decoder for each of the first and the second prediction unit. | 05-23-2013 |
20140185948 | METHOD FOR STORING MOTION PREDICTION-RELATED INFORMATION IN INTER PREDICTION METHOD, AND METHOD FOR OBTAINING MOTION PREDICTION-RELATED INFORMATION IN INTER PREDICTION METHOD - Provided are methods for storing and obtaining motion prediction-related information in inter motion prediction method. The method for storing the motion prediction-related information may include obtaining size information of prediction unit of a picture, and adaptively storing motion prediction-related information of the picture on the basis of the obtained size information of prediction unit of the picture. The method for obtaining the motion prediction-related information may include searching a first temporal motion prediction candidate block to obtain first temporal motion prediction-related information in the first temporal motion prediction candidate block, and searching a second temporal motion prediction candidate block to obtain second temporal motion prediction-related information in the second temporal motion prediction candidate block. Thus, a memory space for storing the motion prediction-related information may be efficiently utilized. Also, an error between the prediction block and an original block may be reduced to improve coding efficiency. | 07-03-2014 |
20140192876 | IMAGE ENCODING/DECODING APPARATUS AND METHOD TO WHICH FILTER SELECTION BY PRECISE UNITS IS APPLIED - According to the present invention, an image encoding/decoding method involves selecting, for units which are more precise than picture units, interpolation filters to be used in a motion compensated inter prediction to calculate sub-pixel values, wherein said precise units include at least one of a slice unit and a partition unit. Thus, encoding precision may be improved in a high resolution image having high definition (HD) or greater resolution. | 07-10-2014 |
20140198848 | IMAGE ENCODING/DECODING METHOD FOR RATE-DISTORTION OPTIMIZATION AND DEVICE FOR PERFORMING SAME - Disclosed are an image encoding/decoding method for rate-distortion optimization and a device for performing the same. A macroblock to be encoded is provided, a prediction macroblock is generated by executing either inter prediction or intra prediction, a residual prediction block is generated on the basis of the generated prediction macroblock and the provided macroblock, and the residual prediction block is transformed by applying one of a plurality of predetermined transform matrices to the generated residual prediction block. Accordingly, rate-distortion can be optimized, and image quality can be enhanced. | 07-17-2014 |
20140301470 | METHODS FOR ENCODING/DECODING OF VIDEO USING COMMON MERGING CANDIDATE SET OF ASYMMETRIC PARTITIONS - The present invention provides video encoding and decoding methods using block merging, which can be applied to a high resolution video of more than HD (High Definition) resolution. A video encoding method includes partitioning a current block into a first and a second prediction unit by using asymmetric partitioning, constructing a list of common merging candidate blocks including a predetermined number of common merging candidate blocks selected from adjacent blocks of the current block, selecting at least one candidate block from among the list of common merging candidate blocks and sending information of the selected candidate block to a decoder for each of the first and the second prediction unit. | 10-09-2014 |
20140325572 | METHOD FOR LINKING MMT MEDIA AND DASH MEDIA - Disclosed is a method for linking MMT media and DASH media. A method for linking MMT media and DASH media comprises the steps of: generating MPD information by extracting an MPD linking information from a home media server, the MPD linking information, which has been transmitted from an MMT transmission server to an MMT, being information comparable to an MPD of DASH for interconnecting DASH and MMT; and transmitting the MPD information to a mobile terminal so that the mobile terminal can replay as DASH media by means of the MPD information. | 10-30-2014 |
20140334504 | METHOD FOR HYBRID DELIVERY OF MMT PACKAGE AND CONTENT AND METHOD FOR RECEIVING CONTENT - Disclosed is a hybrid delivery method for content in which content is divided corresponding to the number of means of delivery and transmitted. An hybrid delivery method of content comprises the steps of: detecting the number of delivery means by which a server can transmit content to a client; dividing the content so as to correspond to the detected number of delivery means; generating composition information for each of the divided content; and transmitting the divided content and the composition information to the client using the transmission means. Thus, a variety of transmission means can be used effectively. | 11-13-2014 |
20150016741 | APPARATUS AND METHOD FOR ENCODING/DECODING IMAGES FOR INTRA-PREDICTION - A method of decoding an image includes the steps of restoring a residual value by performing inverse quantization and inverse transform on the residual value by entropy decoding a received bit stream, generating a prediction unit by performing intra prediction selectively using one of a plurality of prediction modes on a prediction unit split by conducting at least one of asymmetric partitioning and geometrical partitioning, and restoring an image by adding the residual value to the prediction unit. It may be possible to enhance encoding efficiency of high-resolution images having a resolution of HD or higher by performing intra prediction on the asymmetric partitioning and/or geometrical partitioning. | 01-15-2015 |
20150023426 | METHOD AND ENCODING/DECODING OF VIDEO USING COMMON MERGING CANDIDATE SET OF ASYMMETRIC PARTITIONS - The present invention provides video encoding and decoding methods using block merging, which can be applied to a high resolution video of more than HD (High Definition) resolution. A video encoding method includes partitioning a current block into a first and a second prediction unit by using asymmetric partitioning, constructing a list of common merging candidate blocks including a predetermined number of common merging candidate blocks selected from adjacent blocks of the current block, selecting at least one candidate block from among the list of common merging candidate blocks and sending information of the selected candidate block to a decoder for each of the first and the second prediction unit. | 01-22-2015 |
20150023427 | METHOD AND ENCODING/DECODING OF VIDEO USING COMMON MERGING CANDIDATE SET OF ASYMMETRIC PARTITIONS - The present invention provides video encoding and decoding methods using block merging, which can be applied to a high resolution video of more than HD (High Definition) resolution. A video encoding method includes partitioning a current block into a first and a second prediction unit by using asymmetric partitioning, constructing a list of common merging candidate blocks including a predetermined number of common merging candidate blocks selected from adjacent blocks of the current block, selecting at least one candidate block from among the list of common merging candidate blocks and sending information of the selected candidate block to a decoder for each of the first and the second prediction unit. | 01-22-2015 |
20150036741 | METHOD FOR STORING MOVEMENT PREDICTION-RELATED INFORMATION IN AN INTERSCREEN PREDICTION METHOD, AND METHOD FOR CALCULATING THE MOVEMENT PREDICTION-RELATED INFORMATION IN THE INTER-SCREEN PREDICTION METHOD - Provided are methods for storing and obtaining motion prediction-related information in inter motion prediction method. The method for storing the motion prediction-related information may include obtaining size information of prediction unit of a picture, and adaptively storing motion prediction-related information of the picture on the basis of the obtained size information of prediction unit of the picture. The method for obtaining the motion prediction-related information may include searching a first temporal motion prediction candidate block to obtain first temporal motion prediction-related information in the first temporal motion prediction candidate block, and searching a second temporal motion prediction candidate block to obtain second temporal motion prediction-related information in the second temporal motion prediction candidate block. Thus, a memory space for storing the motion prediction-related information may be efficiently utilized. Also, an error between the prediction block and an original block may be reduced to improve coding efficiency. | 02-05-2015 |
20150036750 | METHOD FOR STORING MOVEMENT PREDICTION-RELATED INFORMATION IN AN INTERSCREEN PREDICTION METHOD, AND METHOD FOR CALCULATING THE MOVEMENT PREDICTION-RELATED INFORMATION IN THE INTER-SCREEN PREDICTION METHOD - Provided are methods for storing and obtaining motion prediction-related information in inter motion prediction method. The method for storing the motion prediction-related information may include obtaining size information of prediction unit of a picture, and adaptively storing motion prediction-related information of the picture on the basis of the obtained size information of prediction unit of the picture. The method for obtaining the motion prediction-related information may include searching a first temporal motion prediction candidate block to obtain first temporal motion prediction-related information in the first temporal motion prediction candidate block, and searching a second temporal motion prediction candidate block to obtain second temporal motion prediction-related information in the second temporal motion prediction candidate block. Thus, a memory space for storing the motion prediction-related information may be efficiently utilized. Also, an error between the prediction block and an original block may be reduced to improve coding efficiency. | 02-05-2015 |
20150036751 | METHOD FOR STORING MOVEMENT PREDICTION-RELATED INFORMATION IN AN INTERSCREEN PREDICTION METHOD, AND METHOD FOR CALCULATING THE MOVEMENT PREDICTION-RELATED INFORMATION IN THE INTER-SCREEN PREDICTION METHOD - Provided are methods for storing and obtaining motion prediction-related information in inter motion prediction method. The method for storing the motion prediction-related information may include obtaining size information of prediction unit of a picture, and adaptively storing motion prediction-related information of the picture on the basis of the obtained size information of prediction unit of the picture. The method for obtaining the motion prediction-related information may include searching a first temporal motion prediction candidate block to obtain first temporal motion prediction-related information in the first temporal motion prediction candidate block, and searching a second temporal motion prediction candidate block to obtain second temporal motion prediction-related information in the second temporal motion prediction candidate block. Thus, a memory space for storing the motion prediction-related information may be efficiently utilized. Also, an error between the prediction block and an original block may be reduced to improve coding efficiency. | 02-05-2015 |
20150036752 | METHOD FOR STORING MOVEMENT PREDICTION-RELATED INFORMATION IN AN INTERSCREEN PREDICTION METHOD, AND METHOD FOR CALCULATING THE MOVEMENT PREDICTION-RELATED INFORMATION IN THE INTER-SCREEN PREDICTION METHOD - Provided are methods for storing and obtaining motion prediction-related information in inter motion prediction method. The method for storing the motion prediction-related information may include obtaining size information of prediction unit of a picture, and adaptively storing motion prediction-related information of the picture on the basis of the obtained size information of prediction unit of the picture. The method for obtaining the motion prediction-related information may include searching a first temporal motion prediction candidate block to obtain first temporal motion prediction-related information in the first temporal motion prediction candidate block, and searching a second temporal motion prediction candidate block to obtain second temporal motion prediction-related information in the second temporal motion prediction candidate block. Thus, a memory space for storing the motion prediction-related information may be efficiently utilized. Also, an error between the prediction block and an original block may be reduced to improve coding efficiency. | 02-05-2015 |
20150043631 | IMAGE ENCODING/DECODING METHOD FOR RATE-DISTORTION OPTIMIZATION AND DEVICE FOR PERFORMING SAME - Disclosed are an image encoding/decoding method for rate-distortion optimization and a device for performing the same. A macro-block to be encoded is provided, a prediction macro-block is generated by performing either inter prediction or intra prediction, a residual prediction block is generated on the basis of the generated prediction macro-block and the provided macro-block, and the residual prediction block is transformed by applying one of a plurality of predetermined transform matrices to the generated residual prediction block. Accordingly, rate-distortion can be optimized, and image quality can be enhanced. | 02-12-2015 |
20150043632 | IMAGE ENCODING/DECODING METHOD FOR RATE-DISTORTION OPTIMIZATION AND DEVICE FOR PERFORMING SAME - Disclosed are an image encoding/decoding method for rate-distortion optimization and a device for performing the same. A macro-block to be encoded is provided, a prediction macro-block is generated by performing either inter prediction or intra prediction, a residual prediction block is generated on the basis of the generated prediction macro-block and the provided macro-block, and the residual prediction block is transformed by applying one of a plurality of predetermined transform matrices to the generated residual prediction block. Accordingly, rate-distortion can be optimized, and image quality can be enhanced. | 02-12-2015 |
20150043640 | IMAGE ENCODING/DECODING METHOD FOR RATE-DISTORTION OPTIMIZATION AND DEVICE FOR PERFORMING SAME - Disclosed are an image encoding/decoding method for rate-distortion optimization and a device for performing the same. A macro-block to be encoded is provided, a prediction macro-block is generated by performing either inter prediction or intra prediction, a residual prediction block is generated on the basis of the generated prediction macro-block and the provided macro-block, and the residual prediction block is transformed by applying one of a plurality of predetermined transform matrices to the generated residual prediction block. Accordingly, rate-distortion can be optimized, and image quality can be enhanced. | 02-12-2015 |
20150043643 | IMAGE ENCODING/DECODING METHOD FOR RATE-DISTORTION OPTIMIZATION AND DEVICE FOR PERFORMING SAME - Disclosed are an image encoding/decoding method for rate-distortion optimization and a device for performing the same. A macro-block to be encoded is provided, a prediction macro-block is generated by performing either inter prediction or intra prediction, a residual prediction block is generated on the basis of the generated prediction macro-block and the provided macro-block, and the residual prediction block is transformed by applying one of a plurality of predetermined transform matrices to the generated residual prediction block. Accordingly, rate-distortion can be optimized, and image quality can be enhanced. | 02-12-2015 |
20150043647 | IMAGE ENCODING/DECODING APPARATUS AND METHOD TO WHICH FILTER SELECTION BY PRECISE UNITS IS APPLIED - According to the present invention, an image encoding/decoding method involves selecting, for units which are more precise than picture units, interpolation filters to be used in a motion compensated inter prediction to calculate sub-pixel values, wherein said precise units include at least one of a slice unit and a partition unit. Thus, encoding precision may be improved in a high resolution image having high definition (HD) or greater resolution. | 02-12-2015 |
20150043648 | IMAGE ENCODING/DECODING APPARATUS AND METHOD TO WHICH FILTER SELECTION BY PRECISE UNITS IS APPLIED - According to the present invention, an image encoding/decoding method involves selecting, for units which are more precise than picture units, interpolation filters to be used in a motion compensated inter prediction to calculate sub-pixel values, wherein said precise units include at least one of a slice unit and a partition unit. Thus, encoding precision may be improved in a high resolution image having high definition (HD) or greater resolution. | 02-12-2015 |
20150043649 | IMAGE ENCODING/DECODING APPARATUS AND METHOD TO WHICH FILTER SELECTION BY PRECISE UNITS IS APPLIED - According to the present invention, an image encoding/decoding method involves selecting, for units which are more precise than picture units, interpolation filters to be used in a motion compensated inter prediction to calculate sub-pixel values, wherein said precise units include at least one of a slice unit and a partition unit. Thus, encoding precision may be improved in a high resolution image having high definition (HD) or greater resolution. | 02-12-2015 |
20150043650 | IMAGE ENCODING/DECODING APPARATUS AND METHOD TO WHICH FILTER SELECTION BY PRECISE UNITS IS APPLIED - According to the present invention, an image encoding/decoding method involves selecting, for units which are more precise than picture units, interpolation filters to be used in a motion compensated inter prediction to calculate sub-pixel values, wherein said precise units include at least one of a slice unit and a partition unit. Thus, encoding precision may be improved in a high resolution image having high definition (HD) or greater resolution. | 02-12-2015 |
Patent application number | Description | Published |
20080268066 | Synergistic Formulation for Preventing and/or Treating Diabetes - The present invention discloses a composition preparation for preventing and treating diabetes, which mainly contains oral hypoglycemic agents, Vitamin E, chromic pyridine formate, selenium, lutein, folic acid, Vitamin C, alpha_lipoic acid, lycopene, nicotinamide, coenzyme Q10, and vitamin complexes and mineral. The medicament of the invention can decrease oxidative stress in vivo, promote body immunity, repair the critical organs in vivo such as pancreas, by supplying the mineral, vitamins and other substances which are insufficient in the patient suffering from diabetes, to prevent and treat diabetes. | 10-30-2008 |
20090196910 | Sustained-Release Preparation of Statin Drugs - A preparation of statins for prolonged release. The preparation is a transdermal therapeutic system or hypodermic implantation system. And they overcome the problem of low bioavailability and increase patient compliance. The statins in the invention contain all of statins and responding salts, hydroxyl ester derivatives at 4-position. The invention has many advantages: for example, reduce dosage frequency, remain stable and lasting blood concentration of medicine, further improve the curative effect, provide patients with a convenient and safety means of administration, and obtain an effective period of up to seven days to months by taking medicine once. | 08-06-2009 |
20090326286 | PROCESS OF PRODUCING LIQUID FUEL FROM CELLULOSIC BIOMASS - A liquid fuel production process from cellulosic biomass comprises the following steps: (1) providing a mixture of cellulose and water; (2) subjecting the obtained mixture to hydrolysis and catalytic hydrogenation under the presence of acid to obtain mono-sugar alcohol and optional solid material lignin, or subjecting the obtained mixture to hydrolysis to obtain monosaccharide; (3) esterifying the obtained mono-sugar with C | 12-31-2009 |
20100015115 | COMPOUND PREPARATION FOR QUICKLY REDUCING OXIDATIVE STRESS AND PREPARATION OF THE SAME - The present invention discloses a compound preparation for quickly reducing oxidative stress, which contains small molecules and mineral trace elements that can remove or help removing free radicals, can regulate the function of endocrine and circulatory digestive system, as well as other components that can rebuild inner harmony. The compound preparation is in solid dosage form, preferably effervescent tablet or effervescent granules. The preparative method of the compound preparation is also disclosed. Animal experiment and clinical trial show that the invention has strong effect in reducing oxidative stress and disease prevention. | 01-21-2010 |
20100105691 | METFORMIN FOLATE AND PREPARATION OF THE SAME - The present invention discloses a novel biguanidine compound, i.e. folacin-metformin, and its manufacture with inorganic salt of metformin as raw material. Compared with metformin, the compound has the same clinic curative effect, such as lowering blood sugar, curing poly-cystic ovary syndrome (PCOS), losing weight and so on, without resulting in the increase of homocysteine concentration, even with a little decrease of homocysteine concentration in some cases. | 04-29-2010 |
20110180752 | Process for Direct Liquification of Cellulosic Biomass - The invention provides a process for direct liquification of cellulosic biomass, which may be used to liquefy all of the organics in cellulosic biomass, including all high molecular polymeric components such as carbohydrates and lignins, into small molecular organics in a short time under mild conditions. In other words, there is provided a technology capable of converting cellulosic biomass into oil. The resultant renewable high-quality oil may be converted into liquid fuels such as gasoline etc., or used as starting materials in chemical engineering industry. The technology for direct liquification of cellulosic biomass as disclosed in the invention is the first one-step process in the world for direct liquification of cellulosic biomass without black tar formation and gasification. | 07-28-2011 |
20110223643 | SYSTEM FOR BIONIC CATALYTIC HYDROLYZING CELLULOSE AND ITS USE IN PRODUCING LIQUID FUEL FROM CELLULOSE BIOMASS - A bionic catalyst for hydrolyzing cellulose and hemicellulose and its preparation method. The catalyst comprises double acid radical catalytic portions and cellulose-linking portions, and can be used under room temperature and high temperature. The catalyst can hydrolyze cellulose and hemicellulose simultaneously, while not decompose glucose and xylose, and may be recycled efficiently. The catalyst can be combined with the process in the prior art to produce liquid fuel. | 09-15-2011 |