公开(公告)号：US20160198189A1

公开(公告)日：2016-07-07

申请号：US15067764

申请日：2016-03-11

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Jin Ho LEE ,  Hui Yong KIM ,  Sung Chang LIM ,  Jin Soo CHOI ,  Jin Woong KIM

IPC: H04N19/593 ,  H04N19/117 ,  H04N19/122 ,  H04N19/96 ,  H04N19/176 ,  H04N19/182 ,  H04N19/159 ,  H04N19/137 ,  H04N19/11 ,  H04N19/82

CPC classification number: H04N19/593 ,  H04N19/105 ,  H04N19/11 ,  H04N19/117 ,  H04N19/122 ,  H04N19/136 ,  H04N19/137 ,  H04N19/157 ,  H04N19/159 ,  H04N19/176 ,  H04N19/182 ,  H04N19/44 ,  H04N19/80 ,  H04N19/82 ,  H04N19/96

Abstract: According to the present invention, an image encoding/decoding method comprises the steps of: performing an intra prediction on a current block so as to generate a prediction block; performing filtering on a filtering target pixel in the prediction block on the basis of the intra prediction mode of the current block so as to generate a final prediction block; and generating a reconstructed block on the basis of a reconstructed differential block corresponding to the current block and on the final prediction block. According to the present invention, image encoding/decoding efficiency can be improved.

公开(公告)号：US20160044327A1

公开(公告)日：2016-02-11

申请号：US14921457

申请日：2015-10-23

Applicant: Electronics and Telecommunications Research Institute

Inventor： Hui Yong KIM ,  Sung Chang LIM ,  Jong Ho KIM ,  Ha Hyun LEE ,  Jin Ho LEE ,  Se Yoon JEONG ,  Suk Hee CHO ,  Jin Soo CHOI ,  Jin Woong KIM ,  Chie Teuk AHN

IPC: H04N19/44 ,  H04N19/91 ,  H04N19/503 ,  H04N19/176 ,  H04N19/17 ,  H04N19/593

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.

公开(公告)号：US20150365686A1

公开(公告)日：2015-12-17

申请号：US14653436

申请日：2014-01-06

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Jung Won KANG ,  Ha Hyun LEE ,  Jin Ho LEE ,  Jin Soo CHOI ,  Jin Woong KIM

IPC: H04N19/187 ,  H04N19/30 ,  H04N19/70

CPC classification number: H04N19/187 ,  H04N19/30 ,  H04N19/70

Abstract: Disclosed are an image encoding/decoding method and device supporting a plurality of layers. The image decoding method supporting the plurality of layers comprises the steps of; receiving a bitstream comprising the plurality of layers; and decoding the bitstream so as to acquire maximum number information about sublayers with respect to each of the plurality of layers.

Abstract translation: 公开了一种支持多层的图像编码/解码方法和装置。 支持多层的图像解码方法包括以下步骤： 接收包含所述多个层的比特流; 以及对所述比特流进行解码，以获得关于所述多个层中的每一个层的关于子层的最大数量信息。

公开(公告)号：US20150350685A1

公开(公告)日：2015-12-03

申请号：US14820842

申请日：2015-08-07

Applicant: Electronics and Telecommunications Research Institute

Inventor： Jin Ho LEE ,  Hui Yong KIM ,  Sung Chang LIM ,  Jin Soo CHOI ,  Jin Woong KIM

IPC: H04N19/82 ,  H04N19/176 ,  H04N19/117

CPC classification number: H04N19/82 ,  H04N19/117 ,  H04N19/14 ,  H04N19/159 ,  H04N19/176 ,  H04N19/70

Abstract: Provided are a method and apparatus for encoding and decoding images based on constrained offset compensation and a loop filter. The image decoding apparatus: receives, from an encoder, a first indicator indicating whether a sequence, a picture, a frame, a slice, a coding unit (CU), a prediction unit (PU), and/or a transform unit (TU) supports constrained offset compensation; receives, from the encoder, a second indicator indicating whether constrained sample adaptive offset (SAO) compensation or an adaptive loop filter (ALF) is applied; receives a parameter from the encoder; and applies the SAO compensation or the ALF to pixels of a restored image on the basis of the second indicator and the parameter.

Abstract translation: 提供了一种用于基于约束偏移补偿和环路滤波器对图像进行编码和解码的方法和装置。 图像解码装置从编码器接收指示序列，图像，帧，切片，编码单元（CU），预测单元（PU）和/或变换单元（TU）的第一指示符 ）支持约束偏移补偿; 从编码器接收指示是否应用受限采样自适应偏移（SAO）补偿或自适应环路滤波器（ALF）的第二指示符; 从编码器接收参数; 并且基于第二指示符和参数将SAO补偿或ALF应用于恢复图像的像素。

公开(公告)号：US20150138317A1

公开(公告)日：2015-05-21

申请号：US14531713

申请日：2014-11-03

Applicant: Electronics and Telecommunications Research Institute ,  Hidea Solutions Co., Ltd ,  Kookmin University Industry Academy Cooperation Foundation

Inventor： Joo Young LEE ,  Sung Hoon KIM ,  Hyon Gon CHOO ,  Jin Soo CHOI ,  Jin Woong KIM ,  Suk Jin HONG ,  Jin Suk KWAK ,  Dong Wook KANG ,  Kyeong Hoon JUNG

IPC: H04N13/00 ,  H04N21/2343 ,  H04N21/2362 ,  H04N21/6375 ,  H04N21/235 ,  H04N21/236 ,  H04N21/81 ,  H04N21/242

CPC classification number: H04N13/194 ,  H04N13/167 ,  H04N13/178 ,  H04N21/234309 ,  H04N21/2355 ,  H04N21/23608 ,  H04N21/2362 ,  H04N21/242 ,  H04N21/6375 ,  H04N21/816

Abstract: A system and method for providing a three-dimensional (3D) broadcast service based on a retransmission network are provided. A 3D broadcast retransmission apparatus in a 3D broadcast service providing system may include a remultiplexer to remultiplex 3D TV service information in a received stream of a first broadcast network, based on a retransmission scenario, and to generate a stream of a retransmission network, and a retransmission network transmitter to transmit the stream of the retransmission network through the retransmission network.

Abstract translation: 提供了一种用于基于重发网络提供三维（3D）广播服务的系统和方法。 3D广播服务提供系统中的3D广播重传装置可以包括重新复用器，用于基于重传场景对第一广播网络的接收流中的3D TV服务信息进行重新解复用，并且生成重传网络的流，以及 重传网络发射机通过重传网络传输重传网络流。

公开(公告)号：US20150078452A1

公开(公告)日：2015-03-19

申请号：US14553602

申请日：2014-11-25

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Hae-Chul CHOI ,  Se Yoon JEONG ,  Sukhee CHO ,  Hui Yong KIM ,  Jinho LEE ,  Hahyun LEE ,  Sung-Chang LIM ,  Jongho KIM ,  Jin Soo CHOI ,  Jin Woo HONG ,  Jin Woong KIM

IPC: H04N19/513

CPC classification number: H04N19/52 ,  H04N19/172 ,  H04N19/176 ,  H04N19/513

Abstract: Provided is an image encoding/decoding apparatus and method. The image encoding apparatus may include a motion vector prediction unit to perform a prediction with respect to an arbitrary motion vector of a current block within an image, using at least one of vector information of a motion vector corresponding to an adjacent block and vector information of a previous motion vector of the current block, and a differential determination unit to determine differential information of a motion vector of the current block based on the motion vector predicted in the

公开(公告)号：US20150002625A1

公开(公告)日：2015-01-01

申请号：US14317934

申请日：2014-06-27

Applicant: Electronics and Telecommunications Research Institute ,  Hidea Solutions Co., Ltd ,  Kookmin University Industry Academy Cooperation Foundation

Inventor： Joo Young LEE ,  Sung Hoon KIM ,  Se Yoon JEONG ,  Jin Soo CHOI ,  Jin Woong KIM ,  Suk Jin HONG ,  Jin Suk KWAK ,  Dong Wook KANG ,  Kyeong Hoon JUNG

IPC: H04N13/04 ,  H04N13/00

CPC classification number: H04N13/398 ,  H04N13/139 ,  H04N13/167 ,  H04N13/194 ,  H04N13/296 ,  H04N13/341 ,  H04N13/354 ,  H04N19/31

Abstract: Provided is an apparatus and method for reproducing a three-dimensional (3D) image. A 3D image reproduction apparatus may include an image selector configured to select a left-eye image and a right-eye image based on a broadcast standard of a broadcast stream, and an image outputter configured to output the 3D image by synthesizing and output the left-eye image and the right-eye image in a 3D image format.

Abstract translation: 提供了一种用于再现三维（3D）图像的装置和方法。 3D图像再现装置可以包括：图像选择器，被配置为基于广播流的广播标准来选择左眼图像和右眼图像;以及图像输出器，被配置为通过合成并输出左图像来输出3D图像 以图像和右眼图像为3D图像格式。

公开(公告)号：US20140375889A1

公开(公告)日：2014-12-25

申请号：US14305610

申请日：2014-06-16

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Suk Hee CHO ,  Jong Ho KIM ,  Hyon Gon CHOO ,  Jin Soo CHOI ,  Jin Woong KIM

IPC: H04N5/268 ,  H04N5/44

CPC classification number: H04N5/268 ,  H04N13/189 ,  H04N13/194 ,  H04N21/23424 ,  H04N21/2365 ,  H04N21/8106 ,  H04N21/812

Abstract: Disclosed herein is a method of switching a transport stream. The method comprises receiving a plurality of different input streams, receiving a switching command for a first input stream that belongs to the plurality of input streams and that is now output, searching for an out-point of the first input stream and an in-point of a second input stream that is newly output, in response to the switching command, inserting a virtual P picture stream between the out-point and the in-point, and performing switching from the first input stream into the second input stream based on the out-point and the in-point.

Abstract translation: 本文公开了一种切换传输流的方法。 该方法包括接收多个不同的输入流，接收属于多个输入流并且现在输出的第一输入流的切换命令，搜索第一输入流的出点和入点 根据切换命令，新输出的第二输入流中，在出点和入点之间插入虚拟P图像流，并且基于该输入流执行从第一输入流到第二输入流的切换 出点和入点。

公开(公告)号：US20140362914A1

公开(公告)日：2014-12-11

申请号：US14469288

申请日：2014-08-26

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATION ,  UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY

Inventor： Hae Chul CHOI ,  Se Yoon JEONG ,  Sung-Chang LIM ,  Jin Soo CHOI ,  Jin Woo HONG ,  Dong Gyu SIM ,  Seoung-Jun OH ,  Chang-Beom AHN ,  Gwang Hoon PARK ,  Seung Ryong KOOK ,  Sea-Nae PARK ,  Kwang-Su JEONG

IPC: H04N19/593

CPC classification number: H04N19/159 ,  H04N19/105 ,  H04N19/11 ,  H04N19/117 ,  H04N19/124 ,  H04N19/132 ,  H04N19/147 ,  H04N19/172 ,  H04N19/176 ,  H04N19/182 ,  H04N19/43 ,  H04N19/44 ,  H04N19/50 ,  H04N19/51 ,  H04N19/587 ,  H04N19/593 ,  H04N19/61 ,  H04N19/615 ,  H04N19/625 ,  H04N19/70 ,  H04N19/91

Abstract: The present invention relates to an image encoding and decoding technique, and more particularly, to an image encoder and decoder using unidirectional prediction. The image encoder includes a dividing unit to divide a macro block into a plurality of sub-blocks, a unidirectional application determining unit to determine whether an identical prediction mode is applied to each of the plurality of sub-blocks, and a prediction mode determining unit to determine a prediction mode with respect to each of the plurality of sub-blocks based on a determined result of the unidirectional application determining unit.

公开(公告)号：US20140320597A1

公开(公告)日：2014-10-30

申请号：US14207067

申请日：2014-03-12

Applicant: Electronics and Telecommunications Research Institute ,  Kookmin University Industry Academy Cooperation Foundation ,  Hidea Solutions Co., Ltd.

Inventor： Joo Young LEE ,  Sung Hoon KIM ,  Hyon Gon CHOO ,  Jin Soo CHOI ,  Jin Woong KIM ,  Suk Jin HONG ,  Jin Suk KWAK ,  Dong Wook KANG ,  Kyeong Hoon JUNG

IPC: H04N13/00 ,  H04N21/81 ,  H04N21/236

CPC classification number: H04N21/816 ,  H04N13/139 ,  H04N13/178 ,  H04N21/21805 ,  H04N21/23614

Abstract: Disclosed are a method and apparatus for providing a three-dimensional (3D) broadcast service using images with asymmetric aspect ratios and a method and apparatus for reproducing a 3D broadcast service. The method of providing the 3D broadcast service includes adjusting a second viewpoint image to be composed with a first viewpoint image into a 3D form with respect to the first viewpoint image and the second viewpoint image for 3D broadcasting, encoding the first viewpoint image and the adjusted second viewpoint image, and generating a broadcast stream of the first viewpoint image and a broadcast stream of the second viewpoint image by multiplexing the first viewpoint image and the second viewpoint image.

Abstract translation: 公开了一种使用具有非对称宽高比的图像提供三维（3D）广播服务的方法和装置以及用于再现3D广播服务的方法和装置。 提供3D广播服务的方法包括：将第一视点图像组成的第二视点图像相对于3D广播的第一视点图像和第二视点图像调整成3D形式，对第一视点图像进行编码和调整 第二视点图像，并且通过多路复用第一视点图像和第二视点图像来生成第一视点图像的广播流和第二视点图像的广播流。