公开(公告)号：US20140355690A1

公开(公告)日：2014-12-04

申请号：US14373496

申请日：2013-01-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jong-bum Choi ,  Tammy Lee ,  Il-koo Kim ,  Jeong-hoon Park ,  Jung-hye Min ,  Yinji Piao

IPC: H04N19/91 ,  H04N19/436 ,  H04N19/176

CPC classification number: H04N19/176 ,  H04N19/436 ,  H04N19/91 ,  H04N19/96

Abstract: Provided is a method of performing parallel entropy encoding and parallel entropy decoding by using a plurality of processors. The method includes: sequentially performing entropy encoding on a first row of blocks from among blocks that each have a predetermined size and are obtained by splitting and encoding an image, determining initial entropy coding probability information of a foremost block of a second row of blocks as entropy coding probability information updated by a block of a fixed position of the first row of blocks, sequentially performing entropy encoding on blocks of the second row of blocks which are serially arranged based on the initial entropy coding probability information, and after the entropy encoding is completed to a last block of the first row of blocks, initializing internal state information of an entropy encoded bit string of the first row of blocks.

Abstract translation: 提供了通过使用多个处理器来执行并行熵编码和并行熵解码的方法。 该方法包括：从每个具有预定大小的块中顺次执行对第一行块的熵编码，并通过分割和编码图像获得，确定第二行块的最前面的块的初始熵编码概率信息为 由第一行块的固定位置的块更新的熵编码概率信息，对基于初始熵编码概率信息串行排列的第二块块的块顺序执行熵编码，并且在熵编码之后 完成到第一行块的最后一个块，初始化第一行块的熵编码比特串的内部状态信息。

公开(公告)号：US11307870B2

公开(公告)日：2022-04-19

申请号：US16537259

申请日：2019-08-09

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jae-woo Ko ,  Dong-wook Kwon ,  Jeong-hoon Park ,  Ga-hyun Joo

IPC: G06F1/24 ,  G06F9/445 ,  G06F1/16 ,  H04W4/80 ,  G06F9/4401

Abstract: A wearable device includes first and second electronic modules, a connection module configured to electrically connect the first electronic module to the second electronic module, and a length adjusting module of which length is adjustable to bring the connection module in contact with a user. The length adjusting module comprises first and second fastening units configured to be assembled and disassembled and configured to be locked together in a fastened position when assembled. When the first and second fastening units are assembled, the first fastening unit is electrically connected to the second fastening unit and a length of the length adjusting module is adjusted.

公开(公告)号：US11218695B2

公开(公告)日：2022-01-04

申请号：US16622139

申请日：2018-02-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Young-o Park ,  Jae-hwan Kim ,  Jong-seok Lee ,  Sun-young Jeon ,  Jeong-hoon Park ,  Kwang-pyo Choi

IPC: H04N19/117 ,  H04N19/105 ,  H04N19/65 ,  H04N19/82 ,  G06N20/00 ,  G06N3/08 ,  G06T9/00

Abstract: Provided is in-loop filtering technology using a trained deep neural network (DNN) filter model. An image decoding method according to an embodiment includes receiving a bitstream of an encoded image, generating reconstructed data by reconstructing the encoded image, obtaining information about a content type of the encoded image from the bitstream, determining a deep neural network (DNN) filter model trained to perform in-loop filtering by using at least one computer, based on the information about the content type, and performing the in-loop filtering by applying the reconstructed data to the determined DNN filter model.

公开(公告)号：US11095894B2

公开(公告)日：2021-08-17

申请号：US16627406

申请日：2018-02-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sun-young Jeon ,  Jae-hwan Kim ,  Young-o Park ,  Jeong-hoon Park ,  Jong-seok Lee ,  Kwang-pyo Choi

IPC: H04N19/124 ,  H04N19/117 ,  H04N19/184 ,  H04N19/196 ,  H04N19/61 ,  H04N19/85 ,  G06N3/08

Abstract: Provided is a method of encoding an image, the method including: determining a subjective quality of the image when the image is compressed; determining at least one degree of compression that changes the subjective quality and is from among degrees of compression indicating how much the image is compressed; and encoding the image by compressing a residual signal of the image, based on compression information according to the determined degree of compression, wherein the subjective quality is determined for each frame by using a Deep Neural Network (DNN). Provided are an image decoding method and an image decoding apparatus for performing the image decoding method for decoding an image by using information encoded according to an image encoding method.

公开(公告)号：US10825133B2

公开(公告)日：2020-11-03

申请号：US16089224

申请日：2016-05-18

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Zakharchenko Vladyslav ,  Kwang-pyo Choi ,  Jeong-hoon Park

IPC: G06K9/32 ,  G06T3/00 ,  G06T11/40 ,  G06T7/60

Abstract: Provided is an image processing method including: acquiring images captured in at least two directions; generating a projection image by projecting the images onto a polyhedron; moving a location of at least one pixel among pixels in the projection image to reshape the projection image into a rectangular image; and processing the rectangular image.

公开(公告)号：US10425690B2

公开(公告)日：2019-09-24

申请号：US15306902

申请日：2015-05-01

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ho-cheon Wey ,  Joon-hyun Lee ,  Chan-yul Kim ,  Jeong-hoon Park ,  Sun-il Lee ,  Kwang-pyo Choi

IPC: H04N21/266 ,  H04N21/45 ,  H04N21/4545 ,  H04N21/4627 ,  H04N21/6334 ,  H04N21/83 ,  H04N21/435 ,  H04N21/4408 ,  H04N21/84

Abstract: Provided is a video processing device and method capable of enhancing security of content included in a video, the video processing device including: a loader configured to load an original video; an encoder configured to generate an encoded video including a header and a payload by encoding the loaded original video; and a security information inserter configured to insert security information comprising information about a reproduction right of the video into the header or the payload.

公开(公告)号：US10306230B2

公开(公告)日：2019-05-28

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 ,  H04N19/70 ,  H04N19/196 ,  H04N19/122 ,  H04N19/463 ,  H04N19/18 ,  H04N19/91 ,  H04N19/44 ,  H04N19/60 ,  H03M7/40 ,  H04N19/136 ,  H04N19/115 ,  H04N19/139 ,  H04N19/96 ,  H04N19/157 ,  H04N19/184

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：US10021399B2

公开(公告)日：2018-07-10

申请号：US15727050

申请日：2017-10-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Elena Alshina ,  Alexander Alshin ,  Jeong-hoon Park

IPC: H04N19/14 ,  H04N19/103 ,  H04N19/13 ,  H04N19/186 ,  H04N19/463 ,  H04N19/82 ,  H04N19/91 ,  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：US09973765B2

公开(公告)日：2018-05-15

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: H04N19/159 ,  H04N19/31 ,  H04N13/00 ,  H04N19/423 ,  H04N19/61

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.

公开(公告)号：US09888262B2

公开(公告)日：2018-02-06

申请号：US14636481

申请日：2015-03-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Il-koo Kim ,  Jeong-hoon Park

IPC: H04N19/91 ,  H04N19/13 ,  H04N19/136 ,  H04N19/18 ,  H04N19/44 ,  H04N19/61 ,  H04N19/82 ,  H04N19/169 ,  H04N19/129 ,  H04N19/96

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.