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    Deblocking control method considering intra BL mode and multilayer video encoder/decoder using the same
    32.
    发明授权
    Deblocking control method considering intra BL mode and multilayer video encoder/decoder using the same 有权
    考虑内部BL模式的解块控制方法和使用相同的多层视频编码器/解码器

    公开(公告)号：US08542750B2

    公开(公告)日：2013-09-24

    申请号：US11322392

    申请日：2006-01-03

    申请人： Sang-chang Cha ,  Ho-jin Ha ,  Kyo-hyuk Lee ,  Bae-keun Lee ,  Jae-young Lee ,  Woo-jin Han

    发明人： Sang-chang Cha ,  Ho-jin Ha ,  Kyo-hyuk Lee ,  Bae-keun Lee ,  Jae-young Lee ,  Woo-jin Han

    IPC分类号： H04B1/66 ,  H04N7/12 ,  H04N11/04 ,  H04N11/02

    CPC分类号： H04N19/61

    摘要： A deblocking filter used in a video encoder/decoder based on a multilayer is disclosed. The deblocking filtering method includes choosing a present block and its neighboring block on which a deblocking filtering will be performed, judging whether the present block and the neighboring block have been coded by the intra BL mode, choosing a deblocking filter strength according to the result of the judgment, and performing the deblocking filtering with respect to a boundary between the present block and the neighboring block and according to the deblocking filter strength.

    摘要翻译： 公开了一种用于基于多层的视频编码器/解码器中的去块滤波器。 解块滤波方法包括：选择当前块及其相邻块，在其上执行去块滤波，判断当前块和相邻块是否已经通过帧内BL模式进行编码，根据其结果选择解块滤波器强度 并且根据解块滤波器强度对当前块和相邻块之间的边界执行解块滤波。

    Method of encoding flag, method of decoding flag, and apparatus thereof
    34.
    发明授权
    Method of encoding flag, method of decoding flag, and apparatus thereof 有权
    编码标志的方法，标志的解码方法及其装置

    公开(公告)号：US07840083B2

    公开(公告)日：2010-11-23

    申请号：US11599484

    申请日：2006-11-15

    申请人： Woo-jin Han ,  Bae-keun Lee ,  Tammy Lee ,  Kyo-hyuk Lee

    发明人： Woo-jin Han ,  Bae-keun Lee ,  Tammy Lee ,  Kyo-hyuk Lee

    IPC分类号： G06K9/36 ,  G06K9/46 ,  G06K9/00

    CPC分类号： H04N19/187 ,  H04N19/176 ,  H04N19/196 ,  H04N19/30 ,  H04N19/463 ,  H04N19/593 ,  H04N19/61 ,  H04N19/91

    摘要： A method of encoding flags, a method of decoding flags and an apparatus thereof, in which flag encoding and decoding can be efficiently performed by using spatial correlation between various flags included a plurality of blocks are provided. The method includes collecting flag values respectively allocated to groups of the plurality of blocks according to spatial correlation of blocks to create a flag bit-string, dividing the flag bit-string into a plurality of divided bit-strings using a group size, setting a pattern bit indicating whether all bits included in the divided bit-strings are 0 or not, and performing entropy coding on the divided bit-strings according to the set pattern bit.

    摘要翻译： 提供一种编码标志的方法，一种解码标志的方法及其装置，其中可以通过使用包括多个块的各种标志之间的空间相关性来有效地执行标志编码和解码。 该方法包括根据块的空间相关性分别分配分配给多个块的组的标志值，以创建标志位串，使用组大小将标志位串划分成多个划分的位串，将 模式位，指示分割的位串中包括的所有比特是否为0，以及根据所设置的模式比特对分割的比特串进行熵编码。

    METHOD AND APPARATUS FOR ENCODING/DECODING IMAGE BASED ON INTRA PREDICTION
    35.
    发明申请
    METHOD AND APPARATUS FOR ENCODING/DECODING IMAGE BASED ON INTRA PREDICTION 审中-公开
    基于内部预测编码/解码图像的方法和装置

    公开(公告)号：US20090232211A1

    公开(公告)日：2009-09-17

    申请号：US12402820

    申请日：2009-03-12

    申请人： Jianle CHEN ,  Bae-keun LEE

    发明人： Jianle CHEN ,  Bae-keun LEE

    IPC分类号： H04N11/02

    CPC分类号： H04N19/105 ,  H04N19/129 ,  H04N19/593

    摘要： Provided is an intra prediction-based encoding method, and an apparatus for accomplishing the same. In the method, an order of scanning sub blocks divided from a current block is determined based on an edge present in the current block; a predicted block is generated by performing intra prediction on the current block in the order of scanning, based on already encoded blocks adjacent to the current block; and a residual block that is a difference between the current block and the predicted block is encoded. Accordingly, the precision of intra prediction can be improved, thus increasing the quality of an image.

    摘要翻译： 提供了一种基于帧内预测的编码方法和实现该编码方法的装置。 在该方法中，基于当前块中存在的边缘来确定从当前块划分的扫描子块的顺序; 基于与当前块相邻的已经编码的块，以扫描顺序对当前块执行帧内预测来生成预测块; 并且编码作为当前块和预测块之间的差的残差块。 因此，可以提高帧内预测的精度，从而提高图像的质量。

    METHOD AND APPARATUS FOR ENCODING AND DECODING BASED ON INTRA PREDICTION
    37.
    发明申请
    METHOD AND APPARATUS FOR ENCODING AND DECODING BASED ON INTRA PREDICTION 审中-公开
    基于内部预测编码和解码的方法和装置

    公开(公告)号：US20080107175A1

    公开(公告)日：2008-05-08

    申请号：US11936454

    申请日：2007-11-07

    申请人： Woo-jin HAN ,  Bae-keun LEE ,  Tammy LEE

    发明人： Woo-jin HAN ,  Bae-keun LEE ,  Tammy LEE

    IPC分类号： H04N7/26

    CPC分类号： H04N19/537 ,  H04N19/557 ,  H04N19/56 ,  H04N19/593

    摘要： Provided are a method and apparatus for encoding and decoding based on intra prediction. The method of encoding based on intra prediction includes predicting a current block by searching for a pre-encoded area in a current picture using pre-encoded pixels adjacent to the current block, and intra prediction encoding the current block so that information indicating that the current block is intra predicted via the predicting of the current block is included. Accordingly, the compression rate of intra prediction encoding is increased even when the current block is not appropriately predicted by using a prediction value obtained from pixels adjacent to the current block.

    摘要翻译： 提供了一种基于帧内预测的编码和解码的方法和装置。 基于帧内预测的编码方法包括通过使用与当前块相邻的预编码像素搜索当前图像中的预编码区域来预测当前块，以及对当前块进行帧内预测编码，使得指示当前块的信息 通过包括当前块的预测来进行帧内预测。 因此，即使通过使用从与当前块相邻的像素获得的预测值来适当地预测当前块，帧内预测编码的压缩率也增加。

    Flag encoding method, flag decoding method, and apparatus thereof
    38.
    发明申请
    Flag encoding method, flag decoding method, and apparatus thereof 审中-公开
    标志编码方法，标志解码方法及其装置

    公开(公告)号：US20070297518A1

    公开(公告)日：2007-12-27

    申请号：US11723862

    申请日：2007-03-22

    申请人： Woo-jin Han ,  Bae-keun Lee ,  Tammy Lee ,  Kyo-hyuk Lee

    发明人： Woo-jin Han ,  Bae-keun Lee ,  Tammy Lee ,  Kyo-hyuk Lee

    IPC分类号： H04B1/66

    CPC分类号： H04N19/184 ,  H04N19/132 ,  H04N19/172 ,  H04N19/176 ,  H04N19/196 ,  H04N19/30 ,  H04N19/46 ,  H04N19/463 ,  H04N19/61 ,  H04N19/70 ,  H04N19/91

    摘要： The present invention relates to a video compression technology, and more particularly, to an effective flag-coding method and apparatus thereof by using a spatial correlation among various flags used to code a video frame. In order to accomplish the object, there is provided an apparatus for encoding a flag used to code a video frame composed of a plurality of blocks, the apparatus including a flag-assembling unit which collects flag values allotted for each block and produces a flag bit string, based on spatial correlation of the blocks, a maximum-run-determining unit which determines a maximum run of the flag bit string, and a converting unit which converts the bits included in the flag bit string into a codeword having a size no more than the maximum run by using a predetermined codeword table.

    摘要翻译： 视频压缩技术技术领域本发明涉及一种视频压缩技术，更具体地说，涉及一种通过使用用于对视频帧进行编码的各种标志之间的空间相关性的有效标志编码方法及其装置。 为了实现该目的，提供了一种用于编码用于编码由多个块组成的视频帧的标志的装置，该装置包括标志组合单元，该标志组合单元收集为每个块分配的标志值，并产生标志位 字符串，基于所述块的空间相关性，确定所述标志位串的最大行程的最大运行确定单元，以及将包括在所述标志位串中的位转换为尺寸不大的码字的转换单元 比通过使用预定码字表的最大运行。

    Method of enhancing entropy-coding efficiency, video encoder and video decoder thereof
    39.
    发明申请
    Method of enhancing entropy-coding efficiency, video encoder and video decoder thereof 审中-公开
    提高熵编码效率的方法，视频编码器及其视频解码器

    公开(公告)号：US20070230811A1

    公开(公告)日：2007-10-04

    申请号：US11705491

    申请日：2007-02-13

    申请人： Bae-keun Lee

    发明人： Bae-keun Lee

    IPC分类号： G06K9/36

    CPC分类号： H04N19/34 ,  H04N19/103 ,  H04N19/13 ,  H04N19/146 ,  H04N19/154 ,  H04N19/187 ,  H04N19/61 ,  H04N19/70

    摘要： A video encoder and encoding method are provided. The encoder includes a frame-encoding unit that generates at least one quality layer from an input video frame; a coding-pass-selection unit that selects a coding pass with reference to a second coefficient of a lower layer adjacent to a current layer included in the at least one quality layer, the second coefficient corresponding to a first coefficient of the current layer; and a pass-coding unit that encodes the first coefficient without loss according to the selected coding pass.

    摘要翻译： 提供了一种视频编码器和编码方法。 编码器包括：帧编码单元，其从输入视频帧生成至少一个质量层; 编码选择单元，其参照与所述至少一个质量层中包含的当前层相邻的下层的第二系数来选择编码遍，所述第二系数对应于所述当前层的第一系数; 以及通过编码单元，其根据所选择的编码遍对不损失的第一系数进行编码。