公开(公告)号：US20180232867A1

公开(公告)日：2018-08-16

申请号：US15751340

申请日：2016-08-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seung-ho PARK ,  Seung-hoon HAN ,  Ji-won CHOI ,  Ho-cheon WEY ,  Young-su MOON

IPC: G06T5/00

CPC classification number: G06T5/009 ,  G06T5/002 ,  G06T5/008 ,  G06T5/50 ,  G06T2200/21 ,  G06T2207/10024 ,  G06T2207/20208

Abstract: An electronic device and an image conversion method of the electronic device, the electronic device comprising: a receiving unit for receiving a first image from a source device; a decoding unit for decoding brightness information of the first image; a converting unit for converting a dynamic range of the first image on the basis of the decoded brightness information, using a mapping function; and a display unit for displaying a second image having the converted dynamic range on a display, wherein the mapping function is a curve function including a plurality of points determined on the basis of the first image, a characteristic of a change in brightness of a display of the source device, and a characteristic of brightness of a scene of the first image. The present disclosure may generate, for example, a high dynamic range (HDR) image, which is improved from a standard dynamic range (SDR) image.

公开(公告)号：US20170324887A1

公开(公告)日：2017-11-09

申请号：US15526603

申请日：2015-06-01

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Byung-seok MIN ,  Dong-hyun KIM ,  Seung-hoon HAN ,  Ho-cheon WEY

IPC: H04N1/60 ,  G06T3/40 ,  H04N9/67

CPC classification number: H04N1/6066 ,  G06T3/40 ,  H04N1/6052 ,  H04N5/93 ,  H04N9/64 ,  H04N9/67 ,  H04N2201/3259

Abstract: Disclosed is a method for producing metadata, comprising: acquiring a first image and a second image which have different gamuts; acquiring at least one of white point information and gamut information with respect to the second image; correcting the first image on the basis of the acquired information; and producing metadata on the basis of the correspondence relationship of color information between the corrected first image and the second image.

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：US20160134883A1

公开(公告)日：2016-05-12

申请号：US14782416

申请日：2013-04-07

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: H04N19/44 ,  H04N19/90 ,  H04N19/52

CPC classification number: H04N19/44 ,  H04N19/30 ,  H04N19/52 ,  H04N19/597 ,  H04N19/90

Abstract: Provided are a video stream decoding method and apparatus, and a video stream encoding method and apparatus. The video stream decoding method includes: receiving encoded data of a video stream; obtaining, from the received encoded data, prediction information about encoded current-view image data; and decoding a current-view image by generating motion-compensated current-view image data by using at least one of the encoded current-view image data and another-view image data based on the obtained prediction information, wherein the obtained prediction information includes Advanced Motion Vector Prediction (AMVP) mode prediction information generated by using a candidate list including two candidates, and the obtained prediction information further includes a motion vector prediction flag indicating a candidate from among the two candidates included in the candidate list, which is used in generating the AMVP mode prediction information.

Abstract translation: 提供了视频流解码方法和装置，以及视频流编码方法和装置。 视频流解码方法包括：接收视频流的编码数据; 从所接收的编码数据获得关于编码的当前视图图像数据的预测信息; 以及通过使用基于所获得的预测信息的编码的当前视图图像数据和另一视点图像数据中的至少一个来生成运动补偿的当前视图图像数据来解码当前视图图像，其中所获得的预测信息包括高级 通过使用包括两个候选的候选列表生成的运动矢量预测（AMVP）模式预测信息，并且所获得的预测信息还包括表示候选列表中包括的用于生成的候选中的候选的运动矢量预测标志 AMVP模式预测信息。

公开(公告)号：US20160073127A1

公开(公告)日：2016-03-10

申请号：US14782506

申请日：2014-04-07

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Min-woo PARK ,  Jin-young LEE ,  Jae-won YOON ,  Byeong-doo CHOI ,  Ho-cheon WEY ,  Yong-jin CHO

IPC: H04N19/513 ,  H04N19/597 ,  H04N19/187 ,  H04N19/44 ,  H04N19/176

CPC classification number: H04N19/513 ,  H04N19/176 ,  H04N19/187 ,  H04N19/33 ,  H04N19/44 ,  H04N19/52 ,  H04N19/527 ,  H04N19/597

Abstract: An interlayer video decoding method and apparatus and an interlayer video encoding method and apparatus are provided. The decoding method includes: reconstructing, based on encoding information obtained from a bitstream, a first layer image and a first layer depth map; determining whether a disparity vector is predictable using peripheral blocks of a second layer current block; and when the disparity vector is not predictable using the peripheral blocks, determining a disparity vector of the second layer current block using a default disparity vector and the reconstructed first layer depth map.

Abstract translation: 提供了层间视频解码方法和装置以及层间视频编码方法和装置。 解码方法包括：基于从比特流获得的编码信息，重构第一层图像和第一层深度图; 使用第二层当前块的外围块来确定视差矢量是否可预测; 并且当使用外围块不可预测视差矢量时，使用默认视差矢量和重构的第一层深度图确定第二层当前块的视差矢量。

公开(公告)号：US20160073115A1

公开(公告)日：2016-03-10

申请号：US14782465

申请日：2014-04-07

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jae-won YOON ,  Min-woo PARK ,  Ho-cheon WEY ,  Jin-young LEE ,  Yong-jin CHO ,  Byeong-doo CHOI

IPC: H04N19/187 ,  H04N19/176 ,  H04N19/44 ,  H04N19/56

CPC classification number: H04N19/187 ,  H04N19/176 ,  H04N19/30 ,  H04N19/44 ,  H04N19/52 ,  H04N19/56 ,  H04N19/597 ,  H04N19/70

Abstract: An interlayer video decoding method is provided. The interlayer video decoding method includes determining a disparity vector for performing inter layer prediction on a second layer current block with reference to a first layer image; determining a first layer reference location corresponding to the determined disparity vector in relation to a location of the second layer current block; obtaining motion information of at least one peripheral block located in the periphery of the first layer reference location; and adding at least one motion information of the obtained motion information to a candidate list for inter prediction.

Abstract translation: 提供了层间视频解码方法。 层间视频解码方法包括：参考第一层图像确定用于对第二层当前块执行帧间预测的视差矢量; 确定与所确定的视差矢量对应的第一层参考位置相对于第二层当前块的位置; 获取位于所述第一层参考位置的周边中的至少一个外围块的运动信息; 以及将所获得的运动信息的至少一个运动信息添加到用于帧间预测的候选列表。

公开(公告)号：US20160044333A1

公开(公告)日：2016-02-11

申请号：US14782549

申请日：2014-04-07

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Min-woo PARK ,  Jin-young LEE ,  Jae-won YOON ,  Byeong-doo CHOI ,  Ho-cheon WEY ,  Yong-jin CHO

IPC: H04N19/513 ,  H04N19/44 ,  H04N19/52 ,  H04N19/187 ,  H04N19/30

Abstract: Disclosed is a video decoding method including: obtaining a disparity vector having components in sub-pixel unit for interlayer prediction between images belonging to a current layer and a reference layer; determining a position of an integer pixel of the reference layer corresponding to a position indicated by the disparity vector obtained from the position of a current pixel of the current layer; and decoding the image of the current layer by using prediction information on a candidate area of the reference layer corresponding to the determined position of the integer pixel.

Abstract translation: 公开了一种视频解码方法，包括：获得具有属于当前层的图像与参考层之间的用于层间预测的子像素单元中的分量的视差矢量; 确定与由当前层的当前像素的位置获得的由视差矢量指示的位置相对应的参考层的整数像素的位置; 并且通过使用与所确定的整数像素的位置相对应的参考层的候选区域的预测信息来解码当前层的图像。

公开(公告)号：US20160044330A1

公开(公告)日：2016-02-11

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

CPC classification number: H04N19/503 ,  H04N19/30 ,  H04N19/44 ,  H04N19/58 ,  H04N19/61 ,  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.

Abstract translation: 提供了配置为对多层视频进行编码和解码的设备和方法。 一种对多层视频进行预测解码的方法包括获取指示存储第一层的解码图像缓冲器（DPB）和存储第二层的DPB是否相同的操作，并且基于获得的信息操作存储第二层的DPB 。