公开(公告)号：US20150146797A1

公开(公告)日：2015-05-28

申请号：US14414394

申请日：2013-07-08

Applicant: Electronics and Telecommunications Research Institute

Inventor： Jin Young Lee ,  Kug Jin Yun ,  Won Sik Cheong ,  Nam Ho Hur

IPC: H04N19/44 ,  H04N19/66

CPC classification number: H04N21/2387 ,  H04N21/23614

Abstract: Provided is a method of supporting a random access of MPEG data, the method including: obtaining at least one access unit including media data coded through processing including an encapsulation and a packetization; generating at least one media processing unit (MPU) by grouping at least one access unit; determining an initialization flag indicating whether the at least one access unit includes all of data required for initialization of a decoding process, in the at least one MPU; and inserting the initialization flag into a header of the at least one MPU.

Abstract translation: 提供一种支持MPEG数据的随机存取的方法，所述方法包括：获得至少一个访问单元，包括通过包括封装和分组化的处理编码的媒体数据; 通过对至少一个访问单元进行分组来生成至少一个媒体处理单元（MPU）; 在所述至少一个MPU中，确定指示所述至少一个接入单元是否包括用于初始化解码处理所需的全部数据的初始化标志; 以及将所述初始化标志插入到所述至少一个MPU的报头中。

公开(公告)号：US12101485B2

公开(公告)日：2024-09-24

申请号：US17787853

申请日：2020-12-23

Applicant: Electronics and Telecommunications Research Institute

Inventor： Won Sik Cheong ,  Kug Jin Yun

IPC: H04N19/136 ,  H04N19/172 ,  H04N19/174

CPC classification number: H04N19/136 ,  H04N19/172 ,  H04N19/174

Abstract: Disclosed herein are a video encoding/decoding method and apparatus. The video decoding method according to the present disclosure includes: when a current picture is composed of a plurality of tiles and a current tile among the plurality of tiles is partitioned into a plurality of slices, decoding information on the number of slices in tile that indicates the number of the plurality of slices comprised in the current tile; decoding information on a slice height in tile that indicates a height of the plurality of slices comprised in the current tile; and determining the number of the plurality of slices comprised in the current tile and a height of the plurality of slices comprised in the current tile.

公开(公告)号：US11483534B2

公开(公告)日：2022-10-25

申请号：US17006389

申请日：2020-08-28

Applicant: Electronics and Telecommunications Research Institute

Inventor： Kug Jin Yun ,  Jun Young Jeong ,  Gwang Soon Lee ,  Hong Chang Shin ,  Ho Min Eum

IPC: H04N13/161 ,  H04N13/178 ,  G06T15/20 ,  H04N13/282 ,  H04N13/00

Abstract: Disclosed herein is an immersive video processing method. The immersive video processing method includes: determining a priority order of pruning for source videos; extracting patches from the source videos based on the priority order of pruning; generating at least one atlas based on the extracted patches; and encoding metadata. Herein, a first flag indicating whether or not an atlas includes a patch including information on an entire region of a first source video may be encoded into the metadata.

公开(公告)号：US11405599B2

公开(公告)日：2022-08-02

申请号：US17164141

申请日：2021-02-01

Applicant: Electronics and Telecommunications Research Institute

Inventor： Jin Young Lee ,  Kug Jin Yun ,  Won Sik Cheong

IPC: H04N13/00 ,  H04N13/194 ,  H04N13/161 ,  H04N21/2362 ,  H04N21/234 ,  H04N21/235 ,  H04N13/139 ,  H04N21/81 ,  H04N21/84 ,  H04N21/854

Abstract: An MPEG media transport (MMT) apparatus and method for processing stereoscopic video data are provided. The MMT apparatus includes an asset file generator configured to generate a single asset file that contains an entire or part of the stereoscopic video data; and a signaling message generator configured to generate a signaling message for delivery or consumption of the stereoscopic video data. At least one of the generated single asset file and the generated signaling message contains stereoscopic video information related to the stereoscopic video data.

公开(公告)号：US10791313B2

公开(公告)日：2020-09-29

申请号：US16135275

申请日：2018-09-19

Applicant: Electronics and Telecommunications Research Institute

Inventor： Joung Il Yun ,  Sang Woon Kwak ,  Kug Jin Yun ,  Jin Hwan Lee ,  Won Sik Cheong

IPC: H04N13/117 ,  G06T7/593 ,  H04N13/332 ,  G02B27/01 ,  H04N13/00 ,  H04N19/39 ,  H04N19/597

Abstract: Disclosed is a method and apparatus for providing an omni-directional stereoscopic image based on layer projection. According to an embodiment of the present disclosure, there is provided a method of providing an omni-directional stereoscopic image based on layer projection, the method including: obtaining a spatial-information-point set; and generating a layer image based on a spatial-information-point subset constructed for each of multiple layers, the layer image corresponding to each of the multiple layers, wherein the spatial-information-point subset constructed for each of two consecutive layers includes one or more duplicate spatial information points.

公开(公告)号：US09936232B2

公开(公告)日：2018-04-03

申请号：US14414351

申请日：2013-07-11

Applicant: Electronics and Telecommunications Research Institute

Inventor： Jin Young Lee ,  Kug Jin Yun ,  Won Sik Cheong ,  Nam Ho Hur

IPC: H04N7/12 ,  H04N11/02 ,  H04N11/04 ,  H04N21/236 ,  H04N21/434 ,  H04N21/845

CPC classification number: H04N21/23614 ,  H04N21/4348 ,  H04N21/8456

Abstract: Provided is a method of processing MPEG data, the method including: obtaining at least one access unit including media data coded through processing including an encapsulation and a packetization; generating at least one media processing unit (MPU) by grouping at least one access unit; determining a duration flag indicating whether duration information of the at least one access unit is valid, in a corresponding MPU; and inserting the duration flag into a header of the corresponding MPU.

公开(公告)号：US09838756B2

公开(公告)日：2017-12-05

申请号：US14470202

申请日：2014-08-27

Applicant: Electronics and Telecommunications Research Institute

Inventor： Kug Jin Yun ,  Jin Young Lee ,  Won Sik Cheong ,  Gwang Soon Lee ,  Nam Ho Hur

IPC: H04N21/81 ,  H04N21/435 ,  H04N21/2187 ,  H04N13/00

CPC classification number: H04N21/8146 ,  H04N13/194 ,  H04N21/2187 ,  H04N21/435 ,  H04N21/816

Abstract: Provided is a method and apparatus for outputting an additional image independently of a reference image in a broadcasting receiver including a communicator to receive a stream of an additional image of a three-dimensional (3D) broadcast in non-real time, and receive a stream of a reference image of the 3D broadcast in real-time and a processor to generate a 3D image of the 3D broadcast based on the stream of the additional image and the stream of the reference image.

公开(公告)号：US20150296231A1

公开(公告)日：2015-10-15

申请号：US14439450

申请日：2014-01-24

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Sun Hyoung Kwon ,  Seong Jun Bae ,  Jin Young Lee ,  Kug Jin Yun

IPC: H04N21/236 ,  H04N21/63 ,  H04N21/4385 ,  H04N21/434

CPC classification number: H04N21/23605 ,  H04N21/23614 ,  H04N21/2362 ,  H04N21/4343 ,  H04N21/4348 ,  H04N21/4385 ,  H04N21/631

Abstract: A method for transmitting an MMT packet in an MMT (MPEG Media Transport) system includes: generating an MMT asset by performing encapsulation based on a Media Processing Unit (MPU) generated based on a media Access Unit (AU); generating MMT Composition Information on the MMT asset; generating an MMT packet by packetizing the MMT asset and the MMT-CI; and transmitting the generated MMT packet to a receiving side, wherein the MMT-CI may contain dependency information of the MMT asset on at least one other MMT asset. Accordingly, it is possible to indicate whether an MMT packet depends on other MMT assets when transmitting and receiving multi-layered media data, and to support proper decoding of the MMT asset when providing hybrid delivery-based MMT service.

Abstract translation: 一种用于在MMT（MPEG媒体传输）系统中发送MMT分组的方法包括：通过基于基于媒体接入单元（AU）生成的媒体处理单元（MPU）来执行封装来生成MMT资产; 在MMT资产上生成MMT组合信息; 通过分组MMT资产和MMT-CI来生成MMT分组; 以及将生成的MMT分组发送到接收侧，其中MMT-CI可以在至少一个其他MMT资产上包含MMT资产的依赖性信息。 因此，可以在发送和接收多层媒体数据时指示MMT分组是否依赖于其他MMT资产，并且在提供基于混合交付的MMT服务时支持MMT资产的适当解码。