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    Electronic apparatus and controlling method of thereof
    2.
    发明授权
    Electronic apparatus and controlling method of thereof 有权

    公开(公告)号：US10796419B2

    公开(公告)日：2020-10-06

    申请号：US16002232

    申请日：2018-06-07

    Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY

    Inventor： Dosik Hwang ,  Kihun Bang ,  Hanbyol Jang ,  Jinseong Jang ,  Min-su Cheon ,  Young-o Park ,  Sun-young Jeon

    IPC: G06T5/00 ,  H04N9/77 ,  H04N9/64

    Abstract: An electronic apparatus includes a memory configured to store a predetermined conversion relation, and a processor configured to obtain first luminance information indicating luminance values of respective pixels included in a first image, and obtain first color information indicating color values of the respective pixels, obtain a first cumulative distribution function indicating a relation between a cumulative pixel count and each luminance level based on the first luminance information, obtain a second cumulative distribution function by applying the predetermined conversion relation to the first cumulative distribution function, calculate second luminance information indicating converted luminance values of the respective pixels by using the first cumulative distribution function and the second cumulative distribution function, and generate a second image based on the first color information and the second luminance information.

    Method and apparatus for encoding residual block, and method and apparatus for decoding residual block
    3.
    发明授权
    Method and apparatus for encoding residual block, and method and apparatus for decoding residual block 有权

    公开(公告)号：US10136149B2

    公开(公告)日：2018-11-20

    申请号：US14323424

    申请日：2014-07-03

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Min-su Cheon ,  Jung-hye Min ,  Woo-jin Han

    IPC: H04N19/61 ,  H04N19/44 ,  H04N19/176 ,  H04N19/70 ,  H04N19/46 ,  H04N19/119 ,  H04N19/136 ,  H04N19/18 ,  H04N19/13 ,  H04N19/60 ,  H04N19/635 ,  H04N19/63 ,  H04N19/109 ,  H04N19/96

    Abstract: A decoding apparatus includes a splitter which splits the image into a plurality of maximum coding units, hierarchically splits a maximum coding unit among the plurality of maximum coding units into a plurality of coding units, and determines one or more transformation residual blocks from a coding unit among the plurality of coding units, wherein the one or more transformation residual blocks include sub residual blocks, a parser which obtains an effective coefficient flag of a sub residual block among the sub residual blocks from a bitstream, the effective coefficient flag of the sub residual block indicating whether at least one non-zero effective transformation coefficient exists in the sub residual block, and when the effective coefficient flag indicates that at least one non-zero transformation coefficient exists in the sub residual block, obtains transformation coefficients of the sub residual block based on location information of the non-zero transformation coefficient and level information of the non-zero transformation coefficient obtained from the bitstream, and an inverse-transformer which performs inverse-transformation on a transformation residual block including the sub residual block based on the transformation coefficients of the sub residual block.

    Method and apparatus for encoding images and method and apparatus for decoding images
    9.
    发明授权
    Method and apparatus for encoding images and method and apparatus for decoding images 有权
    用于编码图像的方法和装置以及用于解码图像的方法和装置

    公开(公告)号：US08885958B2

    公开(公告)日：2014-11-11

    申请号：US14283752

    申请日：2014-05-21

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Hae-kyung Jung ,  Min-su Cheon ,  Jung-hye Min ,  Il-koo Kim

    IPC: G06K9/36 ,  G06T9/00

    CPC classification number: H04N19/105 ,  G06T9/00 ,  H04N19/103 ,  H04N19/115 ,  H04N19/119 ,  H04N19/132 ,  H04N19/17 ,  H04N19/176 ,  H04N19/46 ,  H04N19/50 ,  H04N19/96

    Abstract: An apparatus for decoding an image includes an encoding information extractor which extracts split information indicating whether to split a coding unit of an upper depth into coding units of deeper depths and skip information indicating whether a prediction mode of a current coding unit is a skip mode, from image data and a decoding unit which determines a split structure of a maximum coding unit, according to the split information so that the maximum coding unit is hierarchically split as a depth increases and determines whether the prediction mode of the current coding unit is the skip mode according to the skip information.

    Abstract translation: 一种用于对图像进行解码的装置包括：编码信息提取器，其提取指示是否将上层深度的编码单位分割为较深深度的编码单位的分割信息，以及指示当前编码单元的预测模式是否为跳过模式的跳过信息， 根据分割信息，根据分割信息确定最大编码单位的分割结构的图像数据和解码单元，使得最大编码单元随深度增加而分层分割，并确定当前编码单元的预测模式是否为跳过 模式根据跳过信息。

    METHOD AND APPARATUS FOR ENCODING AND DECODING IMAGE BY USING LARGE TRANSFORM UNIT
    10.
    发明申请
    METHOD AND APPARATUS FOR ENCODING AND DECODING IMAGE BY USING LARGE TRANSFORM UNIT 有权
    使用大型变换单元编码和解码图像的方法和装置

    公开(公告)号：US20140286419A1

    公开(公告)日：2014-09-25

    申请号：US14300352

    申请日：2014-06-10

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Min-su Cheon ,  Woo-jin Han ,  Hae-kyung Jung ,  II-koo Kim ,  Tammy Lee ,  Jianle Chen

    IPC: H04N19/503 ,  H04N19/44 ,  H04N19/61 ,  H04N19/593

    CPC classification number: H04N19/122 ,  G06T9/00 ,  H04N19/107 ,  H04N19/119 ,  H04N19/124 ,  H04N19/13 ,  H04N19/147 ,  H04N19/159 ,  H04N19/176 ,  H04N19/182 ,  H04N19/30 ,  H04N19/50 ,  H04N19/503 ,  H04N19/60 ,  H04N19/61 ,  H04N19/91 ,  H04N19/96

    Abstract: An apparatus for decoding an image, the apparatus including an entropy decoder that performs entropy-decoding to obtain quantized transformation coefficients of at least one transformation unit in a coding unit of the image, a decoder that determines a prediction mode of at least one prediction unit in the coding unit from information indicating the prediction mode for the at least one prediction unit, when the prediction mode is determined to be an inter prediction mode, not in an intra prediction mode, determines a size of the at least one transformation unit in the coding unit regardless of a size of the at least one prediction unit in the coding unit, and performs inverse-quantization and inverse-transformation on the quantized transformation coefficients of the at least one transformation unit to obtain residuals, and a restorer that performs inter prediction for at least one prediction unit in the coding unit to generate a predictor and restores the image by using the residuals and the predictor.

    Abstract translation: 一种用于对图像进行解码的装置，所述装置包括熵解码器，所述熵解码器执行熵解码以获得所述图像的编码单元中的至少一个变换单元的量化变换系数;解码器，确定至少一个预测单元的预测模式 在来自指示所述至少一个预测单元的预测模式的信息的编码单元中，当所述预测模式被确定为帧间预测模式时，在帧内预测模式中，确定所述至少一个变换单元的大小 编码单元，而不管编码单元中的至少一个预测单元的大小如何，并且对至少一个变换单元的量化变换系数执行逆量化和逆变换以获得残差;以及恢复器，执行帧间预测 对于编码单元中的至少一个预测单元来生成预测器，并通过使用残差a来恢复图像 和预测因子。

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