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    Method and apparatus for encoding images and method and apparatus for decoding images
    21.
    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 device for encoding/decoding motion vector
    23.
    发明授权
    Method and device for encoding/decoding motion vector 有权

    公开(公告)号：US11818388B2

    公开(公告)日：2023-11-14

    申请号：US17971969

    申请日：2022-10-24

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Jin-young Lee ,  Seung-soo Jeong ,  Jung-hye Min ,  Sun-il Lee

    IPC: H04N11/02 ,  H04N19/52 ,  H04N19/176 ,  H04N19/70 ,  H04N19/182 ,  H04N19/51

    CPC classification number: H04N19/52 ,  H04N19/176 ,  H04N19/182 ,  H04N19/51 ,  H04N19/70

    Abstract: A motion vector encoding apparatus includes: a predictor configured to obtain motion vector predictor candidates of a plurality of predetermined motion vector resolutions by using a spatial candidate block and a temporal candidate block of a current block, and to determine motion vector predictor of the current block, a motion vector of the current block, and a motion vector resolution of the current block by using the motion vector predictor candidates; and an encoder configured to encode information representing the motion vector predictor of the current block, a residual motion vector between the motion vector of the current block and the motion vector predictor of the current block, and information representing the motion vector resolution of the current block, wherein the plurality of predetermined motion vector resolutions include a resolution of a pixel unit that is greater than a resolution of one-pel unit.

    Image encoding method and apparatus, and image decoding method and apparatus
    24.
    发明授权
    Image encoding method and apparatus, and image decoding method and apparatus 有权

    公开(公告)号：US11323709B2

    公开(公告)日：2022-05-03

    申请号：US16923702

    申请日：2020-07-08

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Sun-il Lee ,  Jung-hye Min ,  Na-rae Choi

    IPC: H04N19/122 ,  H04N19/176 ,  H04N19/136 ,  H04N19/159 ,  H04N19/157

    Abstract: Provided is a method of decoding motion information characterized in that information for determining motion-related information includes spatial information and time information, wherein the spatial information indicates a direction of spatial prediction candidates used for sub-units from among spatial prediction candidates located on a left side and an upper side of a current prediction unit, and the time information indicates a reference prediction unit of a previous picture used for prediction of the current prediction unit. Further, an encoding apparatus or a decoding apparatus capable of performing the above described encoding or decoding method may be provided.

    Method and apparatus for encoding/decoding image
    25.
    发明授权
    Method and apparatus for encoding/decoding image 有权

    公开(公告)号：US10904537B2

    公开(公告)日：2021-01-26

    申请号：US16339574

    申请日：2016-10-10

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Jung-hye Min ,  Min-woo Park ,  Bo-ra Jin ,  Chan-yul Kim

    IPC: H04N19/176 ,  H04N19/119 ,  H04N19/44 ,  H04N19/463 ,  H04N19/122

    Abstract: Provided is a method of decoding an image, the method including: determining at least one coding unit for splitting an image, based on block shape information of a current coding unit; determining at least one transformation unit, based on a shape of the current coding unit included in the at least one coding unit; and decoding the image by performing inverse transformation based on the at least one transformation unit, wherein the block shape information indicates whether the current coding unit is a square shape or a non-square shape. Also, provided is an encoding method corresponding to the decoding method. In addition, provided is an encoding apparatus or decoding apparatus capable of performing the encoding or decoding method.

    Video encoding method and apparatus, and video decoding method and apparatus
    26.
    发明授权
    Video encoding method and apparatus, and video decoding method and apparatus 有权

    公开(公告)号：US10666940B2

    公开(公告)日：2020-05-26

    申请号：US15525193

    申请日：2015-11-06

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Chan-yul Park ,  Jung-hye Min

    IPC: H04N19/176 ,  H04N19/107 ,  H04N19/10 ,  H04N19/157 ,  H04N19/463 ,  H04N19/139 ,  H04N19/46 ,  H04N19/105 ,  H04N19/186 ,  H04N19/182 ,  H04N19/523 ,  H04N19/593

    Abstract: Provided are a method and apparatus for performing combination prediction by obtaining a weight for intra prediction and inter prediction by taking into account at least one of a distance between a reference picture and a current picture, a size of a current block, and characteristics of the inter prediction and intra prediction. An image decoding method according to the present disclosure includes parsing, from a bitstream, combination prediction information indicating whether to predict a current block by combining intra prediction and inter prediction; determining whether to perform combination prediction on the current block, based on the combination prediction information; obtaining, when the combination prediction is performed, a first prediction value by performing the inter prediction on the current block, and obtaining a second prediction value by performing the intra prediction on the current block; determining a weight for the inter prediction and a weight for the intra prediction, based on at least one of a distance between a reference picture and a current picture, a size of the current block, and characteristics of the inter prediction and the intra prediction; and performing the combination prediction, based on the weight for the inter prediction, the weight for the intra prediction, the first prediction value, and the second prediction value.

    Method and apparatus for encoding and decoding video by using pattern information in hierarchical data unit
    27.
    发明授权
    Method and apparatus for encoding and decoding video by using pattern information in hierarchical data unit 有权

    公开(公告)号：US10194173B2

    公开(公告)日：2019-01-29

    申请号：US15991831

    申请日：2018-05-29

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

    IPC: H04N19/61 ,  H04N19/176 ,  H04N19/44 ,  H04N19/186 ,  H04N19/60 ,  H04N19/46 ,  H04N19/96 ,  H04N19/70 ,  H04N19/18 ,  H04N19/129 ,  H04N19/119 ,  H04N19/147

    Abstract: A video decoding apparatus including an extractor which extracts from a bitstream first pattern information indicating whether residual samples of a current coding unit are equal to 0, and when the first pattern information indicates the residual samples are not equal to 0, extracts from the bitstream transformation index information indicating whether a transformation unit of a current level included in the current coding unit is split, a decoder which splits the transformation unit of the current level into transformation units of a lower level when the transformation index information indicates a split of the transformation unit of the current level, wherein the extractor further extracts second pattern information for the transformation unit of the current level when the transformation index information indicates a non-split of the transformation unit of the current level, wherein the second pattern information indicates whether the transformation unit of the current level contains one or more transform coefficients not equal to 0, wherein the transformation unit of the current level is split into four transformation units of the lower level.

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