公开(公告)号：US20180139449A1

公开(公告)日：2018-05-17

申请号：US15572638

申请日：2015-10-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ki-ho CHOI ,  Chan-yul KIM

IPC: H04N19/14 ,  H04N19/182 ,  H04N19/184

CPC classification number: H04N19/14 ,  H04N19/107 ,  H04N19/117 ,  H04N19/182 ,  H04N19/184 ,  H04N19/50 ,  H04N19/82

Abstract: Provided are a video encoding method and apparatus and a video decoding method and apparatus for producing a reconstructed video having a minimum error with respect to an original video. The video decoding method includes parsing an edge correction parameter from a bitstream, the edge correction parameter being used to correct a reconstructed pixel included in a current block, determining whether the reconstructed pixel is included in an edge region according to a first threshold value included in the edge correction parameter, determining whether the reconstructed pixel is to be corrected according to a second threshold value included in the edge correction parameter when the reconstructed pixel is included in the edge region, and compensating for a sample value of the reconstructed pixel according to a third threshold value included in the edge correction parameter when the reconstructed pixel is to be corrected.

公开(公告)号：US20180139443A1

公开(公告)日：2018-05-17

申请号：US15572608

申请日：2016-05-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Min-woo PARK ,  In-kwon CHOI ,  Jin-young LEE ,  Chan-yul KIM ,  Yin-ji PIAO

IPC: H04N19/11 ,  H04N19/176 ,  H04N19/184 ,  H04N19/132 ,  H04N19/122

Abstract: Provided is a video decoding method including: obtaining mode information of a contour for determining at least one segment from a current block; determining whether first coordinates and second coordinates of the contour are derivable from a neighboring block of the current block, based on the mode information of the contour; when the first and second coordinates of the contour are derivable from the neighboring block of the current block, determining the at least one segment from the current block based on the first and second coordinates of the contour derived from the neighboring block of the current block; and performing prediction with respect to the determined at least one segment.

公开(公告)号：US20160337654A1

公开(公告)日：2016-11-17

申请号：US15221652

申请日：2016-07-28

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Young-o PARK ,  Chan-yul KIM ,  Kwang-pyo CHOI ,  Jeong-hoon PARK

IPC: H04N19/44 ,  H04N19/70

CPC classification number: H04N19/152 ,  H04N19/44 ,  H04N19/70

Abstract: Provided are methods and apparatuses for encoding and decoding an image. The method of encoding includes: determining a maximum size of a buffer to decode each image frame by a decoder, a number of image frames to be reordered, and latency information of an image frame having a largest difference between an encoding order and a display order from among image frames that form an image sequence, based on an encoding order the image frames that form the image sequence, an encoding order of reference frames referred to by the image frames, a display order of the image frames, and a display order of the reference frames; and adding, to a mandatory sequence parameter set, a first syntax indicating the maximum size of the buffer, a second syntax indicating the number of image frames to be reordered, and a third syntax indicating the latency information.

Abstract translation: 提供了用于对图像进行编码和解码的方法和装置。 编码方法包括：确定由解码器对每个图像帧进行解码的缓冲器的最大大小，要重新排序的图像帧的数量，以及编码顺序和显示顺序之间的最大差异的图像帧的等待时间信息 从形成图像序列的图像帧中，基于编码顺序，形成图像序列的图像帧，由图像帧引用的参考帧的编码顺序，图像帧的显示顺序和显示顺序 参考框架; 并且向强制性序列参数集合添加指示缓冲器的最大大小的第一语法，指示要重新排序的图像帧的数量的第二语法，以及指示等待时间信息的第三语法。

公开(公告)号：US20160275300A1

公开(公告)日：2016-09-22

申请号：US15168475

申请日：2016-05-31

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hak-joo KO ,  In-kwon CHOI ,  Chan-yul KIM ,  Min-woo PARK ,  Ho-cheon WEY ,  Seung-bum LEE

IPC: G06F21/62 ,  G06F21/31 ,  H04L9/08 ,  G06F21/60

CPC classification number: G06F21/6209 ,  G06F21/10 ,  G06F21/31 ,  G06F21/602 ,  G06F2221/0755 ,  G06F2221/2107 ,  H04L9/0822 ,  H04L9/0861 ,  H04L9/0872 ,  H04L9/3226 ,  H04L63/0435 ,  H04L2463/062 ,  H04N21/26606 ,  H04N21/26613 ,  H04N21/4623 ,  H04N21/63345 ,  H04N21/835

Abstract: Provided are a content security method and an electronic apparatus for providing a content security function. The content security method according to an embodiment of the present invention includes: generating a security key used to decrypt security content; generating a security message based on the security key, content transmitter identification information, and content receiver identification information; generating the security content by encrypting content; and transmitting the security content and the security message to an external electronic apparatus.

Abstract translation: 提供了一种用于提供内容安全功能的内容安全方法和电子装置。 根据本发明实施例的内容安全性方法包括：生成用于解密安全内容的安全密钥; 基于安全密钥生成安全消息，内容发送者识别信息和内容接收者识别信息; 通过加密内容生成安全内容; 并将安全内容和安全消息发送到外部电子设备。

公开(公告)号：US20160241869A1

公开(公告)日：2016-08-18

申请号：US15138755

申请日：2016-04-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Byeong-doo CHOI ,  Min-woo PARK ,  Jin-young LEE ,  Ho-cheon WEY ,  Chan-yul KIM

IPC: H04N19/52 ,  H04N19/70 ,  H04N19/105 ,  H04N19/187 ,  H04N19/30 ,  H04N19/537 ,  H04N19/169

CPC classification number: H04N19/52 ,  H04N19/105 ,  H04N19/187 ,  H04N19/188 ,  H04N19/30 ,  H04N19/537 ,  H04N19/70

Abstract: Provided is a multilayer video decoding method including obtaining a multilayer video bitstream; determining, based on the obtained multilayer video bitstream, whether or not a default reference type, in which at least one layer is inter-layer predicted by using at least one reference layer by default, is used; and inter-layer predicting the at least one layer by using the at least one reference layer according to the default reference type, based on the determining of whether or not the default reference type is used, and decoding an image including the at least one layer.

Abstract translation: 提供了一种多层视频解码方法，包括获得多层视频位流; 基于所获得的多层视频位流来确定是否使用通过默认使用至少一个参考层进行至少一层被层间预测的默认参考类型; 以及基于所述确定是否使用所述默认参考类型，以及根据所述默认参考类型来使用所述至少一个参考层来对所述至少一个层进行层间预测，以及对包括所述至少一个层 。

公开(公告)号：US20160227249A1

公开(公告)日：2016-08-04

申请号：US15096666

申请日：2016-04-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Byeong-doo CHOI ,  Min-woo PARK ,  Jin-young LEE ,  Yong-jin CHO ,  Chan-yul KIM ,  Ho-cheon WEY

IPC: H04N19/597 ,  H04N19/44 ,  H04N19/423 ,  H04N19/31

CPC classification number: H04N19/597 ,  H04N19/196 ,  H04N19/30 ,  H04N19/31 ,  H04N19/33 ,  H04N19/423 ,  H04N19/44 ,  H04N19/70 ,  H04N21/44004

Abstract: Provided are multilayer video encoding/decoding methods and apparatuses. A multilayer video decoding method may comprise obtaining, from a bitstream, information indicating a maximum size of a decoded picture buffer (DPB) with respect to a layer set comprising a plurality of layers; determining a size of the DPB with respect to the layer set based on the obtained information indicating the maximum size of the DPB; and storing a decoded picture of the layer set in the DPB of the determined size.

Abstract translation: 提供了多层视频编码/解码方法和装置。 多层视频解码方法可以包括从比特流获得指示关于包括多个层的层集合的解码图像缓冲器（DPB）的最大大小的信息; 基于获得的指示DPB的最大尺寸的信息，确定DPB相对于层集的大小; 以及将所设置的层的解码图像存储在所确定尺寸的DPB中。

公开(公告)号：US20150172708A1

公开(公告)日：2015-06-18

申请号：US14627894

申请日：2015-02-20

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Chan-yul KIM ,  Tammy LEE ,  Elena ALSHINA

IPC: H04N19/57 ,  H04N19/103 ,  H04N19/176

CPC classification number: H04N19/577 ,  H04N19/103 ,  H04N19/105 ,  H04N19/122 ,  H04N19/157 ,  H04N19/159 ,  H04N19/174 ,  H04N19/176 ,  H04N19/18 ,  H04N19/521 ,  H04N19/57 ,  H04N19/573 ,  H04N19/58 ,  H04N19/70 ,  H04N19/96

Abstract: A motion prediction method includes determining, when a current slice is a B slice, a reference picture list to be used with respect to a current prediction unit from among prediction units included in a coding unit, and outputting, when a size of the current prediction unit is 4×8 or 8×4, inter-prediction index information of the current prediction unit indicating the reference picture list from among an L0 list and an L1 list, and when the size of the current prediction unit is not 4×8 or 8×4, the inter-prediction index information of the current prediction unit indicating the reference picture list from among the L0 list, the L1 list, and a bi-prediction list.

Abstract translation: 一种运动预测方法，包括当前片是B片时，从包括在编码单元中的预测单元中确定要用于当前预测单元的参考图像列表，并且当当前预测的大小 单位是4×8或8×4，表示来自L0列表和L1列表中的参考图片列表的当前预测单元的预测间指标信息，当当前预测单元的大小不是4×8或 8×4，表示来自L0列表，L1列表和双重预测列表的参考图片列表的当前预测单元的预测间指标信息。

公开(公告)号：US20150117534A1

公开(公告)日：2015-04-30

申请号：US14588680

申请日：2015-01-02

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Chan-yul KIM ,  Tammy LEE ,  Elena ALSHINA

IPC: H04N19/577

CPC classification number: H04N19/577 ,  H04N19/103 ,  H04N19/105 ,  H04N19/122 ,  H04N19/157 ,  H04N19/159 ,  H04N19/174 ,  H04N19/176 ,  H04N19/18 ,  H04N19/521 ,  H04N19/57 ,  H04N19/573 ,  H04N19/58 ,  H04N19/70 ,  H04N19/96

Abstract: A motion prediction method includes determining, when a current slice is a B slice, a reference picture list to be used with respect to a current prediction unit from among prediction units included in a coding unit, and outputting, when a size of the current prediction unit is 4×8 or 8×4, inter-prediction index information of the current prediction unit indicating the reference picture list from among an L0 list and an L1 list, and when the size of the current prediction unit is not 4×8 or 8×4, the inter-prediction index information of the current prediction unit indicating the reference picture list from among the L0 list, the L1 list, and a bi-prediction list.

公开(公告)号：US20140328411A1

公开(公告)日：2014-11-06

申请号：US14336285

申请日：2014-07-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seung-soo JEONG ,  Young-o PARK ,  Chan-yul KIM ,  Jeong-hoon PARK ,  Jae-hyun KIM

IPC: H04N19/436 ,  H04N19/70

CPC classification number: H04N19/436 ,  H04N19/70 ,  H04N19/96

Abstract: Provided are a video encoding method and apparatus and a video decoding method and apparatus using unified syntax for parallel processing. The video decoding method includes: obtaining a first data unit parallel processing flag indicating whether parallel processable data is included in a first data unit from a first data unit header including encoding information of the first data unit that constitutes video included in a bitstream; determining whether parallel processable data is included in the first data unit based on the first data unit parallel processing flag; and when it is determined that parallel processable data is included in the first data unit, obtaining a second data unit parallel processing flag indicating whether parallel processable data is included in a second data unit whose level is lower than a level of the first data unit from a second data unit header including encoding information of the second data unit.

Abstract translation: 提供了一种使用用于并行处理的统一语法的视频编码方法和装置以及视频解码方法和装置。 视频解码方法包括：从包括构成比特流中包含的视频的第一数据单元的编码信息的第一数据单元标题获得指示并行可处理数据是否包括在第一数据单元中的第一数据单元并行处理标志; 基于所述第一数据单元并行处理标志来确定所述第一数据单元中是否包括并行可处理数据; 并且当确定并行可处理数据被包括在第一数据单元中时，获得第二数据单元并行处理标志，该第二数据单元并行处理标志指示并行可处理数据是否包括在其电平低于第一数据单元的电平的第二数据单元中 包括第二数据单元的编码信息的第二数据单元头。

公开(公告)号：US20140269899A1

公开(公告)日：2014-09-18

申请号：US14287685

申请日：2014-05-27

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Young-o PARK ,  Chan-yul KIM ,  Kwang-pyo CHOI ,  Jeong-hoon PARK

IPC: H04N19/152 ,  H04N19/60 ,  H04N19/51

CPC classification number: H04N19/152 ,  H04N19/44 ,  H04N19/70

Abstract: Provided are methods and apparatuses for encoding and decoding an image. The method of encoding includes: determining a maximum size of a buffer to decode each image frame by a decoder, a number of image frames to be reordered, and latency information of an image frame having a largest difference between an encoding order and a display order from among image frames that form an image sequence, based on an encoding order the image frames that form the image sequence, an encoding order of reference frames referred to by the image frames, a display order of the image frames, and a display order of the reference frames; and adding, to a mandatory sequence parameter set, a first syntax indicating the maximum size of the buffer, a second syntax indicating the number of image frames to be reordered, and a third syntax indicating the latency information.

Abstract translation: 提供了用于对图像进行编码和解码的方法和装置。 编码方法包括：确定由解码器对每个图像帧进行解码的缓冲器的最大大小，要重新排序的图像帧的数量，以及编码顺序和显示顺序之间的最大差异的图像帧的等待时间信息 从形成图像序列的图像帧中，基于编码顺序，形成图像序列的图像帧，由图像帧引用的参考帧的编码顺序，图像帧的显示顺序和显示顺序 参考框架; 并且向强制性序列参数集合添加指示缓冲器的最大大小的第一语法，指示要重新排序的图像帧的数量的第二语法，以及指示等待时间信息的第三语法。