公开(公告)号：US20150373354A1

公开(公告)日：2015-12-24

申请号：US14759515

申请日：2014-01-07

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Byeong-doo CHOI ,  Min-woo PARK ,  Yong-jin CHO ,  Jeong-hoon PARK ,  Jae-won YOON

IPC: H04N19/44 ,  H04N19/187

CPC classification number: H04N19/44 ,  H04N19/187 ,  H04N19/30 ,  H04N19/46

Abstract: An image decoding method including: determining whether image data of a base layer, which is encoded according to a first codec, is decodable according to a second codec; and decoding the image data of the base layer based on a result of the determining, wherein the image data includes image data of an enhancement layer, which is encoded according to the first codec.

Abstract translation: 一种图像解码方法，包括：根据第二编解码器确定根据第一编解码器编码的基本层的图像数据是否可解码; 以及基于所述确定的结果对所述基本层的图像数据进行解码，其中所述图像数据包括根据所述第一编解码器编码的增强层的图像数据。

公开(公告)号：US20150358629A1

公开(公告)日：2015-12-10

申请号：US14760265

申请日：2014-01-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Byeong-doo CHOI ,  Min-woo PARK ,  Jae-won YOON ,  Chan-yul KIM ,  Jeong-hoon PARK

IPC: H04N19/187 ,  H04N19/136 ,  H04N19/107 ,  H04N19/129

CPC classification number: H04N19/187 ,  H04N19/107 ,  H04N19/129 ,  H04N19/136 ,  H04N19/30 ,  H04N19/44 ,  H04N19/70

Abstract: Provided are a method and apparatus for decoding a multi-layer video, and a method and apparatus for encoding a multi-layer video. The method includes obtaining a NAL unit including encoding information and type information of a first layer picture and identifying a type of the first layer picture, obtaining a NAL unit including encoding information and type information of a second layer picture and identifying a type of the second layer picture that is set to be the same as the type of the first layer picture having a same POC as the second layer picture, and decoding the first layer picture and the second layer picture based on the identified first layer picture type and the identified second layer picture type.

Abstract translation: 提供了一种用于对多层视频进行解码的方法和装置，以及用于对多层视频进行编码的方法和装置。 该方法包括获得包括编码信息和第一层图像的类型信息并识别第一层图像的类型的NAL单元，获得包括第二层图像的编码信息和类型信息的NAL单元，并且识别第二层图像的类型 层图像被设置为与具有与第二层图像相同的POC的第一层图像的类型相同，并且基于所识别的第一层图像类型和所识别的第二层图像对第一层图像和第二层图像进行解码 层图片类型。

公开(公告)号：US20150181255A1

公开(公告)日：2015-06-25

申请号：US14636571

申请日：2015-03-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Il-koo KIM ,  Jeong-hoon PARK

IPC: H04N19/91 ,  H04N19/61 ,  H04N19/13

CPC classification number: H04N19/91 ,  H04N19/129 ,  H04N19/13 ,  H04N19/136 ,  H04N19/18 ,  H04N19/1887 ,  H04N19/44 ,  H04N19/61 ,  H04N19/82 ,  H04N19/96

Abstract: Methods and apparatuses for arithmetic encoding/decoding of video data. The arithmetic decoding method includes arithmetically decoding prefix bit strings representing a two-dimensional location of a last significant coefficient in a block sequentially by using a context model, arithmetically decoding suffix bit strings in a bypass mode, and performing inverse binarization on the arithmetically decoded prefix bit strings and suffix bit strings to acquire the location of the last significant coefficient in the block.

公开(公告)号：US20140286411A1

公开(公告)日：2014-09-25

申请号：US14219397

申请日：2014-03-19

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seung-soo JEONG ,  Chan-yul KIM ,  Tammy LEE ,  Young-ho MOON ,  Jeong-hoon PARK

IPC: H04N19/30 ,  H04N19/593

CPC classification number: H04N19/593 ,  H04N19/33

Abstract: Provided are scalable video encoding and decoding methods. The scalable video encoding method includes: obtaining a peripheral pixel of an enhancement block based on a peripheral pixel of a base layer block corresponding to the enhancement layer block to be prediction-encoded, and performing intra prediction on the enhancement layer block by using at least one of a peripheral pixel of the enhancement layer block that is encoded before the enhancement layer block and then restored and a peripheral pixel of the enhancement layer block that is obtained based on a peripheral pixel of the base layer block.

Abstract translation: 提供了可扩展的视频编码和解码方法。 可扩展视频编码方法包括：基于与要进行预测编码的增强层块相对应的基本层块的外围像素获得增强块的外围像素，并且至少使用增强层块进行帧内预测 所述增强层块的周边像素之一，其在所述增强层块之前被编码，然后被恢复，以及基于所述基本层块的外围像素获得的所述增强层块的外围像素。

公开(公告)号：US20200057947A1

公开(公告)日：2020-02-20

申请号：US16266395

申请日：2019-02-04

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jehun JEON ,  Young-Seok KIM ,  Jeong-hoon PARK ,  Junhwi CHOI

IPC: G06N5/04 ,  G06N3/02

Abstract: Disclosed is a response inference method and apparatus. The response inference apparatus obtains an input, generates a latent variable vector in a latent variable region space partitioned into regions corresponding to a plurality of responses by encoding the input, and generates an output response corresponding to a region from among the regions of the latent variable vector by decoding the latent variable vector.

公开(公告)号：US20180192054A1

公开(公告)日：2018-07-05

申请号：US15902807

申请日：2018-02-22

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Chan-yul KIM ,  Jae-hyun KIM ,  Jeong-hoon PARK

IPC: H04N19/13 ,  H04N19/18 ,  H04N19/196 ,  H04N19/70 ,  H04N19/139 ,  H04N19/115

CPC classification number: H04N19/13 ,  H03M7/4018 ,  H03M7/4075 ,  H04N19/115 ,  H04N19/122 ,  H04N19/136 ,  H04N19/139 ,  H04N19/157 ,  H04N19/18 ,  H04N19/184 ,  H04N19/196 ,  H04N19/44 ,  H04N19/463 ,  H04N19/60 ,  H04N19/70 ,  H04N19/91 ,  H04N19/96

Abstract: An video decoding apparatus including a parser which obtains bit strings corresponding to current transformation coefficient level information by arithmetic decoding a bitstream based on a context model; a parameter determiner which determines a current binarization parameter by updating or maintaining a previous binarization parameter based on a comparison of a threshold and a size of a previous transformation coefficient; a syntax element restorer which obtains the current transformation coefficient level information by performing de-binarization of the bit strings using the determined current binarization parameter and generates a size of a current transformation coefficient using the current transformation coefficient level information, wherein the current binarization parameter has a value equal to or smaller than a predetermined value.

公开(公告)号：US20180014020A1

公开(公告)日：2018-01-11

申请号：US15700979

申请日：2017-09-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Elena ALSHINA ,  Alexander ALSHIN ,  Jeong-hoon PARK

IPC: H04N19/14 ,  H04N19/463 ,  H04N19/103 ,  H04N19/186 ,  H04N19/13 ,  H04N19/91 ,  H04N19/82 ,  H04N19/86

CPC classification number: H04N19/14 ,  H04N19/103 ,  H04N19/13 ,  H04N19/186 ,  H04N19/463 ,  H04N19/82 ,  H04N19/86 ,  H04N19/91

Abstract: The present disclosure relates to signaling of sample adaptive offset (SAO) parameters determined to minimize an error between an original image and a reconstructed image in video encoding and decoding operations. An SAO decoding method includes obtaining context-encoded leftward SAO merge information and context-encoded upward SAO merge information from a bitstream of a largest coding unit (MCU); obtaining SAO on/off information context-encoded with respect to each color component, from the bitstream; if the SAO on/off information indicates to perform SAO operation, obtaining absolute offset value information for each SAO category bypass-encoded with respect to each color component, from the bitstream; and obtaining one of band position information and edge class information bypass-encoded with respect to each color component, from the bitstream.

公开(公告)号：US20170223362A1

公开(公告)日：2017-08-03

申请号：US15492123

申请日：2017-04-20

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H04N19/152 ,  H04N19/70 ,  H04N19/44

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.

公开(公告)号：US20170054984A1

公开(公告)日：2017-02-23

申请号：US15307172

申请日：2015-05-01

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H04N19/137 ,  H04N19/182 ,  H04N19/184

Abstract: Provided is a method for adaptively compressing image data. A refresh rate and a compression rate of the image data are determined based on motion information of the image data, and the image data are compressed based on the determined refresh rate and compression rate.

Abstract translation: 提供了一种用于自适应地压缩图像数据的方法。 基于图像数据的运动信息确定图像数据的刷新率和压缩率，并且基于所确定的刷新率和压缩率来压缩图像数据。

公开(公告)号：US20150350660A1

公开(公告)日：2015-12-03

申请号：US14760251

申请日：2014-01-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Byeong-doo CHOI ,  Min-woo PARK ,  Jeong-hoon PARK ,  Jae-won YOON

IPC: H04N19/31 ,  H04N19/423 ,  H04N19/61 ,  H04N13/00

CPC classification number: H04N19/31 ,  H04N13/10 ,  H04N19/423 ,  H04N19/61

Abstract: Disclosed are methods for coding and decoding a multilayer video. The method for decoding a multilayer comprise: decoding a first layer picture and saving same to a decoded picture buffer (DPB); marking the first layer picture as a short-term reference picture; obtaining interlayer RPS information of a second layer picture which has a first POC identical to that of the first layer picture and which is interlayer-predicted by referencing the first layer picture; marking the first layer picture which has been marked as the short-term reference picture as a long-term reference picture, based on the interlayer RPS information; and performing interlayer prediction with respect to the second layer picture by referencing the first layer picture which has been marked as the long-term reference picture.

Abstract translation: 公开了用于对多层视频进行编码和解码的方法。 解码多层的方法包括：对第一层图像进行解码并将其保存到解码图像缓冲器（DPB）; 将第一层图片标记为短期参考图片; 获得具有与第一层图像的第一POC相同的第一POC并且通过参考第一层图像进行层间预测的第二层图像的层间RPS信息; 基于所述中间层RPS信息，将已被标记为所述短期参考图片的所述第一层图像标记为长期参考图片; 并且通过参考已被标记为长期参考图像的第一层图像来执行关于第二层图像的层间预测。