Method and apparatus for encoding video by motion prediction using arbitrary partition, and method and apparatus for decoding video by motion prediction using arbitrary partition
    161.
    发明授权
    Method and apparatus for encoding video by motion prediction using arbitrary partition, and method and apparatus for decoding video by motion prediction using arbitrary partition 有权
    使用任意分区通过运动预测编码视频的方法和装置,以及通过使用任意分区的运动预测对视频进行解码的方法和装置

    公开(公告)号:US08223843B2

    公开(公告)日:2012-07-17

    申请号:US13348224

    申请日:2012-01-11

    IPC分类号: H04N7/12

    摘要: Disclosed is a method and apparatus of encoding a video, the method including: splitting video data into a maximum coding unit; encoding the video data of the maximum coding unit based on deeper coding units of hierarchical structures in which a coding unit of an upper depth is split as a depth deepens, according to at least one split region of the maximum coding unit, and determining a coding depth at which an encoding result is to be output, including inter prediction using partitions obtained by splitting the coding unit according to arbitrary ratios; and outputting a bitstream including the encoded video data corresponding to a coding depth for the at least one split region according to maximum coding units and information regarding the coding depth and encoding modes.

    摘要翻译: 公开了一种对视频进行编码的方法和装置,该方法包括:将视频数据分解成最大编码单元; 根据所述最大编码单元的至少一个分割区域,基于所述最大编码单元的视频数据,根据所述最大编码单元的视频数据,根据所述最大编码单元的视频数据,根据所述最大编码单元的视频数据对所述最大编码单元的视频数据进行编码, 包括要输出编码结果的深度,包括使用根据任意比例分割编码单位获得的分区的帧间预测; 并且根据最大编码单位输出与所述至少一个分割区域的编码深度相对应的编码视频数据的比特流,以及关于编码深度和编码模式的信息。

    METHOD AND APPARATUS FOR ENCODING VIDEO BY USING BLOCK MERGING, AND METHOD AND APPARATUS FOR DECODING VIDEO BY USING BLOCK MERGING
    162.
    发明申请
    METHOD AND APPARATUS FOR ENCODING VIDEO BY USING BLOCK MERGING, AND METHOD AND APPARATUS FOR DECODING VIDEO BY USING BLOCK MERGING 有权
    使用块合并编码视频的方法和装置,以及通过使用块合并解码视频的方法和装置

    公开(公告)号:US20120008676A1

    公开(公告)日:2012-01-12

    申请号:US13178862

    申请日:2011-07-08

    IPC分类号: H04N7/50 H04N7/26 H04N7/32

    摘要: Provided are a method and apparatus for encoding a video by using block merging and a method and apparatus for decoding a video by using block merging. The method of encoding includes: determining an encoding mode indicating a current data unit for encoding of a picture and an encoding method including prediction encoding performed for the current data unit; determining an occurrence of merging with at least one neighboring data unit based on at least one of the encoding mode and a prediction mode; and determining prediction mode information, merging related information, and prediction related information, and determining encoding information of the data unit including the prediction mode information, the merging related information, and the prediction related information.

    摘要翻译: 提供了一种通过使用块合并对视频进行编码的方法和装置,以及通过使用块合并对视频进行解码的方法和装置。 编码方法包括:确定指示用于编码图像的当前数据单元的编码模式和包括对当前数据单元执行的预测编码的编码方法; 基于所述编码模式和预测模式中的至少一个,确定与至少一个相邻数据单元的合并的发生; 以及确定预测模式信息,合并相关信息和预测相关信息,以及确定包括预测模式信息,合并相关信息和预测相关信息的数据单元的编码信息。

    Method and apparatus for transforming and inverse-transforming image
    163.
    发明授权
    Method and apparatus for transforming and inverse-transforming image 有权
    用于变换和逆变换图像的方法和装置

    公开(公告)号:US08086053B2

    公开(公告)日:2011-12-27

    申请号:US11844782

    申请日:2007-08-24

    IPC分类号: G06K9/36 G06K9/46

    摘要: Provided are a method and apparatus for transforming an image, in which an input image is transformed into a frequency domain by selectively using a plurality of frequency transform algorithms according to a frequency characteristic of the input image. The method includes: selecting a frequency transform algorithm to be used for a current block from a plurality of frequency transform algorithms according to a result obtained by transforming frequencies of peripheral blocks adjacent to the current block; and transforming the current block into a frequency domain by using the selected frequency transform algorithm.

    摘要翻译: 提供了一种用于变换图像的方法和装置,其中通过根据输入图像的频率特性选择性地使用多个频率变换算法将输入图像变换为频域。 该方法包括:根据通过变换与当前块相邻的外围块的频率获得的结果,从多个频率变换算法中选择要用于当前块的频率变换算法; 并通过使用所选择的频率变换算法将当前块变换成频域。

    METHOD AND APPARATUS FOR ENCODING AND DECODING VIDEO
    164.
    发明申请
    METHOD AND APPARATUS FOR ENCODING AND DECODING VIDEO 有权
    编码和解码视频的方法和装置

    公开(公告)号:US20110243233A1

    公开(公告)日:2011-10-06

    申请号:US13080121

    申请日:2011-04-05

    IPC分类号: H04N7/26

    摘要: Methods and apparatuses for encoding and decoding video are provided. The encoding method includes: performing motion estimation on a current block according to a first sub-pixel unit, and obtaining a motion vector in the first sub-pixel unit with respect to the current block; interpolating a reference picture indicated by the motion vector according to a second sub-pixel unit smaller than the first sub-pixel unit; using the interpolated reference picture, selecting a second sub-pixel in the second sub-pixel unit adjacent to a first sub-pixel in the first sub-pixel unit of the reference picture; selecting a corresponding region that has a smaller error with the current block, from among a first corresponding region of the reference picture and obtained with respect to the first sub-pixel, and a second corresponding region of the current block and obtained with respect to the selected second sub-pixel; and encoding information of the selected corresponding region.

    摘要翻译: 提供用于编码和解码视频的方法和装置。 编码方法包括:根据第一子像素单元对当前块执行运动估计,并获得关于当前块的第一子像素单元中的运动矢量; 根据比第一子像素单元小的第二子像素单元内插由运动矢量指示的参考图像; 使用内插参考图像,在与参考图片的第一子像素单元中的第一子像素相邻的第二子像素单元中选择第二子像素; 从参考图像的第一对应区域中,相对于第一子像素选择与当前块具有较小误差的对应区域,以及当前块的第二对应区域,并相对于 选择的第二子像素; 以及编码所选择的对应区域的信息。

    METHOD AND APPARATUS FOR ENCODING VIDEO BY USING DYNAMIC-RANGE TRANSFORMATION, AND METHOD AND APPARATUS FOR DECODING VIDEO BY USING DYNAMIC-RANGE TRANSFORMATION
    165.
    发明申请
    METHOD AND APPARATUS FOR ENCODING VIDEO BY USING DYNAMIC-RANGE TRANSFORMATION, AND METHOD AND APPARATUS FOR DECODING VIDEO BY USING DYNAMIC-RANGE TRANSFORMATION 有权
    使用动态范围变换编码视频的方法和装置,以及通过使用动态范围转换来解码视频的方法和装置

    公开(公告)号:US20110243232A1

    公开(公告)日:2011-10-06

    申请号:US13079982

    申请日:2011-04-05

    IPC分类号: H04N7/26

    CPC分类号: H04N19/61 H04N19/98

    摘要: Provided is a method and apparatus for encoding a video by using dynamic range transformation based on content and a method and apparatus for decoding a video by using dynamic range transformation based on content. The encoding method includes: performing inter prediction, through motion estimation, and intra prediction for a current region using image data in which a dynamic range of the current region is transformed based on content of an image of input video; performing transformation on residual data generated by the intra prediction and the inter prediction and performing quantization on a transformation coefficient generated by the transformation; and performing entropy encoding on the quantized transformation coefficient.

    摘要翻译: 提供了一种通过使用基于内容的动态范围变换来编码视频的方法和装置,以及通过使用基于内容的动态范围变换对视频进行解码的方法和装置。 编码方法包括:使用基于输入图像的图像的内容对当前区域的动态范围进行变换的图像数据,通过运动估计和当前区域的帧内预测进行帧间预测; 对由帧内预测和帧间预测生成的残差数据进行变换,对由变换生成的变换系数进行量化; 对量化的变换系数进行熵编码。

    METHOD OF EFFECTIVELY PREDICTING MULTI-LAYER BASED VIDEO FRAME, AND VIDEO CODING METHOD AND APPARATUS USING THE SAME
    167.
    发明申请
    METHOD OF EFFECTIVELY PREDICTING MULTI-LAYER BASED VIDEO FRAME, AND VIDEO CODING METHOD AND APPARATUS USING THE SAME 失效
    有效预测基于多层视频帧的方法,以及视频编码方法和使用该方法的装置

    公开(公告)号:US20110164680A1

    公开(公告)日:2011-07-07

    申请号:US13020567

    申请日:2011-02-03

    IPC分类号: H04N7/26

    摘要: A method and apparatus are provided for effectively predicting a video frame that use all of the advantages of an intra mode and an intra BL mode in multi-layer structure based-video coding. The method includes reconstructing the intra block of a lower layer using the previously reconstructed first neighboring blocks of the intra block; subtracting the first neighboring blocks from previously stored the second neighboring blocks of an upper layer corresponding to the first neighboring blocks; creating a differential predicted block based on a predetermined intra prediction mode by performing intra prediction using virtual differential neighboring blocks that are created as a result of the subtraction; adding the differential predicted block and the reconstructed intra block; and subtracting a predicted block, which is created as a result of the addition, from a block of the upper layer corresponding to the intra block.

    摘要翻译: 提供了一种用于在基于多层结构的视频编码中有效地预测使用帧内模式和帧内BL模式的所有优点的视频帧的方法和装置。 该方法包括使用先前重构的帧内块的第一相邻块来重建下层的块内块; 从先前存储的与第一相邻块对应的上层的第二相邻块中减去第一相邻块; 通过使用作为减法的结果创建的虚拟差分相邻块来执行帧内预测,​​基于预定的帧内预测模式创建差分预测块; 添加差分预测块和重构块内块; 并从对应于帧内块的上层的块中减去作为相加结果而生成的预测块。

    METHOD AND APPARATUS FOR ENCODING/DECODING IMAGE WITH REFERENCE TO A PLURALITY OF FRAMES
    168.
    发明申请
    METHOD AND APPARATUS FOR ENCODING/DECODING IMAGE WITH REFERENCE TO A PLURALITY OF FRAMES 有权
    参考多个框架编码/解码图像的方法和装置

    公开(公告)号:US20110097004A1

    公开(公告)日:2011-04-28

    申请号:US12914373

    申请日:2010-10-28

    IPC分类号: G06K9/36

    CPC分类号: H04N19/51 H04N19/52

    摘要: Methods and apparatuses for encoding and decoding images are provided. The method of encoding an image includes: generating a reference frame by modifying a previously encoded frame; and encoding a current block of a current frame based on a group including the previously encoded frame and the reference frame, wherein in the encoding the current block, a reference to a first frame included in the group is considered to be the same as a reference to any other frame included in the group.

    摘要翻译: 提供了图像编码和解码的方法和装置。 编码图像的方法包括:通过修改先前编码的帧来生成参考帧; 以及基于包括先前编码的帧和参考帧的组编码当前帧的当前块,其中在编码当前块时,对包括在该组中的第一帧的引用被认为与参考相同 包括在组中的任何其他框架。

    METHOD AND APPARATUS FOR ENCODING VIDEO AND METHOD AND APPARATUS FOR DECODING VIDEO, BASED ON HIERARCHICAL STRUCTURE OF CODING UNIT
    170.
    发明申请
    METHOD AND APPARATUS FOR ENCODING VIDEO AND METHOD AND APPARATUS FOR DECODING VIDEO, BASED ON HIERARCHICAL STRUCTURE OF CODING UNIT 有权
    编码视频的方法与装置,解码视频的方法与装置,基于编码单元的分层结构

    公开(公告)号:US20110096829A1

    公开(公告)日:2011-04-28

    申请号:US12911066

    申请日:2010-10-25

    IPC分类号: H04N7/26

    摘要: An apparatus and method for encoding video data and an apparatus and method for decoding video data are provided. The encoding method includes: splitting a current picture into at least one maximum coding unit; determining a coded depth to output an encoding result by encoding at least one split region of the at least one maximum coding unit according to operating mode of coding tool, respectively, based on a relationship among a depth of at least one coding unit of the at least one maximum coding unit, a coding tool, and an operating mode, wherein the at least one split region is generated by hierarchically splitting the at least one maximum coding unit according to depths; and outputting a bitstream including encoded video data of the coded depth, information regarding a coded depth of at least one maximum coding unit, information regarding an encoding mode, and information regarding the relationship.

    摘要翻译: 提供了一种用于对视频数据进行编码的装置和方法以及用于对视频数据进行解码的装置和方法。 编码方法包括:将当前画面分割成至少一个最大编码单元; 通过根据编码工具的操作模式分别对所述至少一个最大编码单元的至少一个编码单元的至少一个编码单元的深度与所述至少一个编码单元的深度之间的关系进行编码,从而确定编码深度以输出编码结果, 至少一个最大编码单元,编码工具和操作模式,其中通过根据深度对所述至少一个最大编码单元进行分层分割来生成所述至少一个分割区域; 并且输出包括编码深度的编码视频数据的比特流,关于至少一个最大编码单元的编码深度的信息,关于编码模式的信息以及关于该关系的信息。