公开(公告)号：US10375412B2

公开(公告)日：2019-08-06

申请号：US15111292

申请日：2015-01-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Byeong-doo Choi ,  Yong-jin Cho ,  Chan-yul Kim

IPC: H04N19/50 ,  H04N19/172 ,  H04N19/44 ,  H04N19/30 ,  H04N19/46 ,  H04N19/70 ,  H04N19/68

Abstract: Provided are multilayer video encoding/decoding methods. The multilayer video decoding method includes obtaining, from a bitstream, instantaneous decoder refresh (IDR) alignment information specifying whether at least one intra random access point (IRAP) picture for a random access and comprised in a same access unit is limited to being an IDR picture; and reconstructing a multilayer video by decoding encoded data by using the IDR alignment information.

公开(公告)号：US10349074B2

公开(公告)日：2019-07-09

申请号：US14782510

申请日：2014-04-07

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Byeong-doo Choi ,  Min-woo Park ,  Ho-cheon Wey ,  Jae-won Yoon ,  Jin-young Lee ,  Yong-jin Cho

IPC: H04N19/503 ,  H04N19/61 ,  H04N19/58 ,  H04N19/44 ,  H04N19/30 ,  H04N19/70

Abstract: Apparatuses and methods configured to encode and decode multi-layer video are provided. A method of prediction-decoding a multi-layer video includes obtaining information indicating whether a decoded picture buffer (DPB) storing a first layer and a DPB storing a second layer operate identically, and operating the DPB storing the second layer based on the obtained information.

公开(公告)号：US10334263B2

公开(公告)日：2019-06-25

申请号：US14782536

申请日：2014-04-07

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Min-woo Park ,  Jae-won Yoon ,  Jin-young Lee ,  Byeong-doo Choi ,  Ho-cheon Wey ,  Yong-jin Cho

IPC: H04N19/44 ,  H04N19/176 ,  H04N19/30 ,  H04N19/50 ,  H04N19/597

Abstract: An interlayer video decoding method comprises reconstructing a first layer image based on encoding information acquired from a first layer bitstream; reconstructing a second layer current block determined as a predetermined partition mode and a prediction mode by using interlayer prediction information acquired from a second layer bitstream and a first layer reference block corresponding to a current block of a first layer reconstruction image that is to be reconstructed in a second layer; determining whether to perform luminance compensation on the second layer current block in a partition mode in which the second layer current block is not split; and compensating for luminance of the second layer current block according to whether luminance compensation is performed and reconstructing a second layer image including the second layer current block of which luminance is compensated for.

公开(公告)号：US10728565B2

公开(公告)日：2020-07-28

申请号：US14782504

申请日：2014-04-07

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jin-young Lee ,  Min-woo Park ,  Ho-cheon Wey ,  Jae-won Yoon ,  Yong-jin Cho ,  Byeong-doo Choi

IPC: H04N19/44 ,  H04N19/30 ,  H04N19/159 ,  H04N19/12 ,  H04N19/172 ,  H04N19/176 ,  H04N19/186 ,  H04N19/51

Abstract: A video encoding method, a video encoding apparatus, a video decoding method, and a video decoding apparatus are provided. The video encoding method includes reconstructing a first layer image based on encoding information of the first layer image that is obtained from a bitstream, splitting a largest coding unit of a second layer image into coding units based on split information of the second layer image that is obtained from the bitstream, splitting the coding units into prediction units for prediction encoding, determining whether to use a coding tool for decoding a current prediction unit based on at least one among a prediction mode of the current prediction unit among the prediction units, size information of the current prediction unit, and color depth information of the current prediction unit, and decoding the current prediction unit, using the coding tool, in response to the determining to use the coding tool.

公开(公告)号：US10338688B2

公开(公告)日：2019-07-02

申请号：US15390229

申请日：2016-12-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yong-jin Cho ,  Sung-yeon Lee ,  Ki-hwan Kim ,  Jong-yoon Kim ,  Moon-ki Yeo ,  Dae-kyu Lee

IPC: G06F3/01 ,  G06F3/0346

Abstract: The disclosure relates to a method of controlling an electronic device, the method includes, based on a magnetic field generated by a source, obtaining a coordinate of a user's hand; and reflecting the obtained coordinate of the user's hand in a virtual reality environment based on a change of a location of the source due to a movement of the user.

公开(公告)号：US10136145B2

公开(公告)日：2018-11-20

申请号：US15109767

申请日：2015-01-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Byeong-doo Choi ,  Chan-yul Kim ,  Min-woo Park ,  Jin-young Lee ,  Yong-jin Cho

IPC: H04N19/31 ,  H04N19/30 ,  H04N19/423 ,  H04N19/46 ,  H04N19/513 ,  H04N19/597

Abstract: Provided is a multi-layer video decoding method for efficiently obtaining, from a bitstream, information indicating a maximum size of a decoded picture buffer (DPB) regarding a layer set including a plurality of layers.

公开(公告)号：US10230967B2

公开(公告)日：2019-03-12

申请号：US15096464

申请日：2016-04-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yong-jin Cho ,  Byeong-doo Choi ,  Chan-yul Kim ,  Min-woo Park ,  Ho-cheon Wey ,  Jin-young Lee

IPC: H04N19/30 ,  H04N19/33 ,  H04N21/2343 ,  H04N19/70 ,  H04N19/44 ,  H04N19/52 ,  H04N19/593 ,  H04N19/597 ,  H04N19/96

Abstract: A multi-layer video encoding/decoding method and a multi-layer video encoding/decoding apparatus are provided. In the multi-layer video encoding method, image data is encoded to a multi-layer encoded image, at least one of encoded layers of a target output layer set is determined as an output layer, an index of at least three output layer subsets including at least one output layer from among the encoded layers of the target output layer set are generated based on the determined output layer, and a bitstream including the generated index and the multi-layer encoded image is generated.

公开(公告)号：US10230966B2

公开(公告)日：2019-03-12

申请号：US15096443

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: H04N19/105 ,  H04N19/33 ,  H04N19/70 ,  H04N19/46 ,  H04N19/30 ,  H04N19/44 ,  H04N19/52 ,  H04N19/593 ,  H04N19/597 ,  H04N19/159 ,  H04N19/172

Abstract: Multilayer video encoding/decoding methods and apparatuses are provided. A multilayer video decoding method includes: obtaining inter-layer prediction allowance information from a bitstream; obtaining single layer use information from the bitstream when the inter-layer prediction allowance information indicates that inter-layer prediction is usable; determining at most only one layer among at least one layer, to which a current picture refers, as a reference layer when the single layer use information indicates that at most one picture is used for inter-layer prediction; and performing inter-layer prediction on the current picture by using a picture belonging to the reference layer.

公开(公告)号：US10003819B2

公开(公告)日：2018-06-19

申请号：US14782463

申请日：2014-04-07

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jin-young Lee ,  Min-woo Park ,  Byeong-doo Choi ,  Ho-cheon Wey ,  Jae-won Yoon ,  Yong-jin Cho

IPC: H04N19/593 ,  H04N19/597 ,  H04N19/70 ,  H04N19/119 ,  H04N19/172 ,  H04N19/176 ,  H04N19/186 ,  H04N19/44

CPC classification number: H04N19/593 ,  H04N19/119 ,  H04N19/172 ,  H04N19/176 ,  H04N19/186 ,  H04N19/44 ,  H04N19/597 ,  H04N19/70

Abstract: Disclosed is a depth map frame decoding method including reconstructing a color frame obtained from a bitstream based on encoding information of the color frame; splitting a largest coding unit of a depth map frame obtained from the bitstream into one or more coding units based on split information of the depth map frame; splitting the one or more coding units into one or more prediction units for prediction decoding; determining whether to split a current prediction unit into at least one partition and decode the current prediction unit by obtaining information indicating whether to split the current prediction unit into the at least one or more partitions from the bitstream; if it is determined that the current prediction unit is to be decoded by being split into the at least one or more partitions, obtaining prediction information of the one or more prediction units from the bitstream and determining whether to decode the current prediction unit by using differential information indicating a difference between a depth value of the at least one or more partitions corresponding to an original depth map frame and a depth value of the at least one or more partitions predicted from neighboring blocks of the current prediction unit; and decoding the current prediction unit by using the differential information based on whether to split the current prediction unit into the at least one or more partitions and whether to use the differential information.

公开(公告)号：US10003805B2

公开(公告)日：2018-06-19

申请号：US14902629

申请日：2014-07-01

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Elena Alshina ,  Alexander Alshin ,  Yong-jin Cho

IPC: H04N19/136 ,  H04N19/117 ,  H04N19/186 ,  H04N19/187 ,  H04N19/30 ,  H04N19/44 ,  H04N19/80 ,  H04N19/82 ,  H04N19/176

CPC classification number: H04N19/136 ,  H04N19/117 ,  H04N19/176 ,  H04N19/186 ,  H04N19/187 ,  H04N19/30 ,  H04N19/33 ,  H04N19/44 ,  H04N19/70 ,  H04N19/80 ,  H04N19/82 ,  H04N19/96

Abstract: A video decoding method includes determining, from among a first sample and a second sample with different color components, at least one second sample that is used to correct a value of the first sample; determining a filter parameter set based on a band including the value of the first sample, wherein the band is from among a plurality of bands determined by dividing a total range of sample values into signaled intervals or predetermined intervals; and filtering a value of the at least one second sample by using the determined filter parameter set and correcting the value of the first sample by using a value obtained by the filtering, wherein the first sample is any one of a luma sample and a chroma sample, and the second sample is any one of the luma sample and the chroma sample that is not the first sample.