公开(公告)号：WO2012087035A3

公开(公告)日：2012-09-07

申请号：PCT/KR2011009957

申请日：2011-12-21

Applicant: KOREA ELECTRONICS TELECOMM ,  LEE HA HYUN ,  KIM HUI YONG ,  LIM SUNG CHANG ,  KIM JONG HO ,  LEE JIN HO ,  JEONG SE YOON ,  CHO SUK HEE ,  CHOI JIN SOO ,  KIM JIN WOONG ,  AHN CHIE TEUK

Inventor： LEE HA HYUN ,  KIM HUI YONG ,  LIM SUNG CHANG ,  KIM JONG HO ,  LEE JIN HO ,  JEONG SE YOON ,  CHO SUK HEE ,  CHOI JIN SOO ,  KIM JIN WOONG ,  AHN CHIE TEUK

IPC: H04N19/11 ,  H04N19/50

CPC classification number: H04N19/107 ,  H04N19/105 ,  H04N19/109 ,  H04N19/11 ,  H04N19/13 ,  H04N19/137 ,  H04N19/157 ,  H04N19/159 ,  H04N19/176 ,  H04N19/1887 ,  H04N19/196 ,  H04N19/50 ,  H04N19/52 ,  H04N19/521 ,  H04N19/593 ,  H04N19/61 ,  H04N19/70 ,  H04N19/91

Abstract: An intra prediction method according to the present invention comprises the following steps: deriving neighboring prediction mode information from a left neighboring prediction mode and a top neighboring prediction mode; deriving an intra prediction mode for a target unit to be decoded, using the derived neighboring prediction mode information; and performing intra prediction for the target unit to be decoded, based on the intra prediction mode. According to the present invention, video encoding/decoding efficiency may be improved.

Abstract translation: 根据本发明的帧内预测方法包括以下步骤：从左相邻预测模式和顶相邻预测模式导出相邻预测模式信息; 使用所导出的相邻预测模式信息来导出用于要解码的目标单元的帧内预测模式; 并且基于帧内预测模式对要解码的目标单元执行帧内预测。 根据本发明，可以提高视频编码/解码效率。

公开(公告)号：WO2012044093A3

公开(公告)日：2012-05-31

申请号：PCT/KR2011007200

申请日：2011-09-29

Applicant: KOREA ELECTRONICS TELECOMM ,  INDUSTRY ACADEMIC COOPERATION FOUNDATION HANBAT NATIOANL UNIV ,  LIM SUNG CHANG ,  KIM HUI YONG ,  JEONG SE YOON ,  CHO SUK HEE ,  KIM JONG HO ,  LEE HA HYUN ,  LEE JIN HO ,  CHOI JIN SOO ,  KIM JIN WOONG ,  AHN CHIE TEUK ,  CHOI HAE CHUL

Inventor： LIM SUNG CHANG ,  KIM HUI YONG ,  JEONG SE YOON ,  CHO SUK HEE ,  KIM JONG HO ,  LEE HA HYUN ,  LEE JIN HO ,  CHOI JIN SOO ,  KIM JIN WOONG ,  AHN CHIE TEUK ,  CHOI HAE CHUL

IPC: H04N7/32 ,  H04N7/26

CPC classification number: H04N19/33 ,  H04N19/30 ,  H04N19/44 ,  H04N19/463 ,  H04N19/80

Abstract: Provided is a scalable video-decoding method based on multiple layers. The scalable video-decoding method according to the present invention comprises: a step of predicting first filter information of a video to be filtered using the information contained in an object layer and/or information contained in another layer, and generating second filter information in accordance with the prediction; and a step of filtering the video to be filtered using the second filter information. According to the present invention, the amount of information being transmitted is reduced, and video compression performance is improved.

Abstract translation: 提供了基于多层的可伸缩视频解码方法。 根据本发明的可伸缩视频解码方法包括：使用包含在对象层中的信息和/或包含在另一层中的信息来预测要滤波的视频的第一滤波器信息，并且根据该信息生成第二滤波器信息 与预测; 以及使用第二过滤器信息来过滤要过滤的视频的步骤。 根据本发明，传输的信息量减少，并且视频压缩性能提高。

公开(公告)号：WO2012023806A3

公开(公告)日：2012-05-10

申请号：PCT/KR2011006052

申请日：2011-08-17

Applicant: KOREA ELECTRONICS TELECOMM ,  LIM SUNG CHANG ,  KIM HUI YONG ,  JEONG SE YOON ,  CHO SUK HEE ,  KIM JONG HO ,  LEE HA HYUN ,  LEE JIN HO ,  CHOI JIN SOO ,  KIM JIN WOONG ,  AHN CHIE TEUK

Inventor： LIM SUNG CHANG ,  KIM HUI YONG ,  JEONG SE YOON ,  CHO SUK HEE ,  KIM JONG HO ,  LEE HA HYUN ,  LEE JIN HO ,  CHOI JIN SOO ,  KIM JIN WOONG ,  AHN CHIE TEUK

IPC: H04N7/26

CPC classification number: H04N19/124 ,  H04N19/0009 ,  H04N19/119 ,  H04N19/14 ,  H04N19/176 ,  H04N19/196 ,  H04N19/33 ,  H04N19/463 ,  H04N19/70

Abstract: The present invention relates to a video encoding method and apparatus for setting and encoding quantization parameters, and to a video decoding method and apparatus for decoding and setting quantization parameters in a video encoding and decoding apparatus which uses blocks having various sizes and depths as encoding and decoding units.

Abstract translation: 本发明涉及一种用于设置和编码量化参数的视频编码方法和装置，以及用于在使用具有不同大小和深度的块作为编码的视频编码和解码装置中解码和设置量化参数的视频解码方法和装置， 解码单元。

公开(公告)号：WO2012046996A2

公开(公告)日：2012-04-12

申请号：PCT/KR2011007326

申请日：2011-10-04

Applicant: KOREA ELECTRONICS TELECOMM ,  KOREA ADVANCED INST SCI & TECH ,  KIM JONG HO ,  KIM HUI YONG ,  JEONG SE YOON ,  LIM SUNG CHANG ,  LEE HA HYUN ,  LEE JIN HO ,  CHO SUK HEE ,  CHOI JIN SOO ,  KIM JIN WOONG ,  AHN CHIE TEUK ,  KIM MUN CHURL ,  LEE BUM SHIK

Inventor： KIM JONG HO ,  KIM HUI YONG ,  JEONG SE YOON ,  LIM SUNG CHANG ,  LEE HA HYUN ,  LEE JIN HO ,  CHO SUK HEE ,  CHOI JIN SOO ,  KIM JIN WOONG ,  AHN CHIE TEUK ,  KIM MUN CHURL ,  LEE BUM SHIK

IPC: H04N7/24 ,  H04N7/26

CPC classification number: H04N19/44 ,  H04N19/18 ,  H04N19/46 ,  H04N19/593 ,  H04N19/60 ,  H04N19/64 ,  H04N19/70

Abstract: Disclosed are an encoding/decoding method of an intra prediction mode using two candidate intra prediction modes, and a device for using the same. The decoding method of the intra prediction mode comprises the steps of: determining whether an intra prediction mode of a present prediction unit is the same as a first candidate intra prediction mode or as a second candidate intra prediction mode on the basis of 1-bit information; and determining, among said first candidate intra prediction mode and said second candidate intra prediction mode, which candidate intra prediction mode is the same as the intra prediction mode of said present prediction unit on the basis of additional 1-bit information, if the intra prediction mode of the present prediction unit is the same as at least either the first candidate intra prediction mode or the second candidate intra prediction mode, and decoding the intra prediction mode of the present prediction unit. Thus, the invention increases encoding/decoding efficiency and reduces complexity.

Abstract translation: 公开了使用两种候选帧内预测模式的帧内预测模式的编码/解码方法及其使用装置。 帧内预测模式的解码方法包括以下步骤：基于1比特信息确定本预测单元的帧内预测模式是否与第一候选帧内预测模式相同，或者作为第二候选帧内预测模式 ; 并且在所述第一候选帧内预测模式和所述第二候选帧内预测模式中，基于附加的1比特信息确定所述候选帧内预测模式与所述当前预测单元的帧内预测模式相同，如果帧内预测 本预测单元的模式与第一候选帧内预测模式或第二候选帧内预测模式中的至少一个相同，并且解码本预测单元的帧内预测模式。 因此，本发明提高了编码/解码效率，降低了复杂度。

公开(公告)号：WO2012044124A2

公开(公告)日：2012-04-05

申请号：PCT/KR2011007275

申请日：2011-09-30

Applicant: KOREA ELECTRONICS TELECOMM ,  KIM HUI YONG ,  LIM SUNG CHANG ,  KIM JONG HO ,  LEE HA HYUN ,  LEE JIN HO ,  JEONG SE YOON ,  CHO SUK HEE ,  CHOI JIN SOO ,  KIM JIN WOONG ,  AHN CHIE TEUK

Inventor： KIM HUI YONG ,  LIM SUNG CHANG ,  KIM JONG HO ,  LEE HA HYUN ,  LEE JIN HO ,  JEONG SE YOON ,  CHO SUK HEE ,  CHOI JIN SOO ,  KIM JIN WOONG ,  AHN CHIE TEUK

IPC: H04N7/32

CPC classification number: G06T9/004 ,  H04N19/119 ,  H04N19/134 ,  H04N19/157 ,  H04N19/17 ,  H04N19/176 ,  H04N19/196 ,  H04N19/44 ,  H04N19/46 ,  H04N19/463 ,  H04N19/503 ,  H04N19/593 ,  H04N19/61 ,  H04N19/91

Abstract: The present invention relates to image encoding and image decoding. A method for encoding images according to the present invention comprises the steps of: acquiring division information from peripheral blocks of an encoding target block with respect to the peripheral blocks; predicting the division of the encoding target block on the basis of the acquired division information; encoding information on the difference between the practical division information of the encoding target information and the predictive division information predicted in the predicting process; and transmitting the encoded information. The present invention can encode/decode the division information of the encoding/decoding target blocks using the information about the peripheral blocks.

Abstract translation: 本发明涉及图像编码和图像解码。 根据本发明的用于编码图像的方法包括以下步骤：从编码目标块的外围块获取关于外围块的划分信息; 基于所获取的划分信息来预测编码对象块的划分; 编码关于编码目标信息的实际分割信息与预测处理中预测的预测分割信息之间的差异的信息; 并传送编码信息。 本发明可以使用关于外围块的信息来对编码/解码目标块的划分信息进行编码/解码。

公开(公告)号：WO2012044118A2

公开(公告)日：2012-04-05

申请号：PCT/KR2011007263

申请日：2011-09-30

Applicant: KOREA ELECTRONICS TELECOMM ,  KOREA ADVANCED INST SCI & TECH ,  JEONG SE YOON ,  LEE JIN HO ,  KIM HUI YONG ,  LIM SUNG CHANG ,  LEE HA HYUN ,  KIM JONG HO ,  CHO SUK HEE ,  CHOI JIN SOO ,  KIM JIN WOONG ,  AHN CHIE TEUK ,  PARK HYUN WOOK

Inventor： JEONG SE YOON ,  LEE JIN HO ,  KIM HUI YONG ,  LIM SUNG CHANG ,  LEE HA HYUN ,  KIM JONG HO ,  CHO SUK HEE ,  CHOI JIN SOO ,  KIM JIN WOONG ,  AHN CHIE TEUK ,  PARK HYUN WOOK

IPC: H04N7/26

CPC classification number: H04N19/51

Abstract: According to the present invention, a method for decoding a video in a skip mode comprises the steps of: deriving a pixel value of an estimation block for a current block; deriving an error compensation value for the current block; and deriving a pixel value of a final prediction block using the pixel value of the prediction block and the error compensation value. According to the present invention, the amount of transmitted information is minimized, and the efficiency of video encoding / decoding is improved.

Abstract translation: 根据本发明，一种用于以跳过模式解码视频的方法包括以下步骤：导出当前块的估计块的像素值; 导出当前块的误差补偿值; 并且使用预测块的像素值和误差补偿值来导出最终预测块的像素值。 根据本发明，传输信息的量被最小化，并且视频编码/解码的效率得到改善。

公开(公告)号：DK1027680T3

公开(公告)日：2004-11-29

申请号：DK98914140

申请日：1998-04-14

Applicant: KOREA ELECTRONICS TELECOMM

Inventor： LIM YOUNG KWON ,  PARK SANG KYU ,  AHN CHIE TEUK

IPC: H03M1/12 ,  G06T9/00 ,  H03M7/30 ,  H04N7/50 ,  H04N19/102 ,  H04N19/134 ,  H04N19/157 ,  H04N19/20 ,  H04N21/2343 ,  H04N21/258 ,  H04N21/2662 ,  H04N21/45 ,  H04N21/454 ,  H04N21/4545 ,  H04N21/462

Abstract: A computational graceful degradation method is disclosed using priority information in multiple objects case. The method degrades the amount of computation in different ratio every object using the priority information if computational power of a decoder does not come up to that necessary for processing encoded multimedia data as decoding the multimedia data encoded by several objects unit, the priority information being determined by an encoder for optimal graceful degradation in terms of relatively importance between respective objects.

公开(公告)号：ES2229487T3

公开(公告)日：2005-04-16

申请号：ES98914140

申请日：1998-04-14

Applicant: KOREA ELECTRONICS TELECOMM

Inventor： LIM YOUNG KWON ,  PARK SANG KYU ,  AHN CHIE TEUK

IPC: H03M1/12 ,  G06T9/00 ,  H03M7/30 ,  H04N7/50 ,  H04N19/102 ,  H04N19/134 ,  H04N19/157 ,  H04N19/20 ,  H04N21/2343 ,  H04N21/258 ,  H04N21/2662 ,  H04N21/45 ,  H04N21/454 ,  H04N21/4545 ,  H04N21/462

Abstract: Un método de degradación suavizada de cálculo que se ha de implementar en un sistema codificador y decodificador MPEG, que comprende: un codificador que incluye una unidad divisora de objetos multimedia para dividir una entrada multimedia en una pluralidad de objetos según su contenido y característica; una pluralidad de unidades codificadoras de objetos para codificar los correspondientes objetos multimedia de entrada procedentes de la unidad divisora de objetos multimedia; un multiplexor para multiplexar una pluralidad de corrientes de bits de objetos multimedia codificados para transmitir una corriente de bits de objetos multimedia multiplexada; y un decodificador que incluye un desmultiplexor para desmultiplexar la corriente bits de objetos multimedia multiplexada, recibida del multiplexor, para dar salida a una pluralidad de corrientes de bits de objetos multimedia desmultiplexada; una pluralidad de unidades decodificadoras de objetos para decodificar la correspondiente corriente de bits de objetos multimedia aplicada desde el desmultiplexor; y una unidad de construcción de objetos multimedia para reconstruir los objetos multimedia decodificados a fin de generar objetos multimedia reconstruidos para el usuario; comprendiendo el método las etapas de: determinar, en el multiplexor, una prioridad de los respectivos objetos según la importancia relativa entre los objetos, antes de multiplexar las corrientes de bits de objetos codificados a transmitir, considerando que la degradación suavizada de cálculo se aplicará en el decodificador; y determinar, en el desmultiplexor, una cantidad de cálculo que hay que degradar en proporción diferente cada objeto de vídeo, usando la información de prioridad determinada según los respectivos objetos.

公开(公告)号：AT278225T

公开(公告)日：2004-10-15

申请号：AT98914140

申请日：1998-04-14

Applicant: KOREA ELECTRONICS TELECOMM

Inventor： LIM YOUNG KWON ,  PARK SANG KYU ,  AHN CHIE TEUK

IPC: H03M1/12 ,  G06T9/00 ,  H03M7/30 ,  H04N7/50 ,  H04N19/102 ,  H04N19/134 ,  H04N19/157 ,  H04N19/20 ,  H04N21/2343 ,  H04N21/258 ,  H04N21/2662 ,  H04N21/45 ,  H04N21/454 ,  H04N21/4545 ,  H04N21/462

Abstract: A computational graceful degradation method is disclosed using priority information in multiple objects case. The method degrades the amount of computation in different ratio every object using the priority information if computational power of a decoder does not come up to that necessary for processing encoded multimedia data as decoding the multimedia data encoded by several objects unit, the priority information being determined by an encoder for optimal graceful degradation in terms of relatively importance between respective objects.

公开(公告)号：EP2654302A4

公开(公告)日：2015-08-05

申请号：EP11848474

申请日：2011-12-13

Applicant: KOREA ELECTRONICS TELECOMM

Inventor： LIM SUNG CHANG ,  KIM HUI YONG ,  JEONG SE YOON ,  CHO SUK HEE ,  KIM JONG HO ,  LEE HA HYUN ,  LEE JIN HO ,  CHOI JIN SOO ,  KIM JIN WOONG ,  AHN CHIE TEUK

IPC: H04N19/105 ,  H04N19/52 ,  H04N19/176 ,  H04N19/44 ,  H04N19/50 ,  H04N19/503 ,  H04N19/51

CPC classification number: H04N19/44 ,  H04N19/50 ,  H04N19/503 ,  H04N19/52 ,  H04N19/597

Abstract: An inter prediction method according to the present invention comprises the steps of: selecting candidate units from among reconstructed neighbor units; creating a candidate unit set with respect to units to be decoded, using the selected candidate units; determining a reference unit from among the candidate units which constitute the created candidate unit set; and performing inter prediction on the units to be decoded, using the determined reference unit. According to the present invention, image encoding/ decoding efficiency can be improved.