Deblocking filtering method considering intra-BL mode and multilayer video encoder/decoder using the same
    111.
    发明申请
    Deblocking filtering method considering intra-BL mode and multilayer video encoder/decoder using the same 审中-公开
    考虑BL内模式的解块滤波方法及使用其的多层视频编解码器

    公开(公告)号:US20070025448A1

    公开(公告)日:2007-02-01

    申请号:US11483646

    申请日:2006-07-11

    IPC分类号: H04N11/04 H04B1/66

    摘要: Deblocking filter used in a video encoder/decoder based on a multilayer. In deciding a deblocking filter strength when performing a deblocking filtering with respect to a boundary between a current block coded by an intra-BL mode and its neighboring block, it is determined whether the current block or the neighboring block has coefficients. The filter strength is decided as a first filter strength if it is determined that the current block or the neighboring block has the coefficients, and the filter strength is decided as a second filter strength if it is determined that the current block or the neighboring block does not have the coefficients. The first filter strength is greater than the second filter strength.

    摘要翻译: 基于多层的视频编码器/解码器中使用的去块滤波器。 在对由BL模式编码的当前块与其相邻块之间的边界执行解块滤波时,决定解块滤波器强度时,确定当前块或相邻块是否具有系数。 如果确定当前块或相邻块具有系数,则将滤波器强度确定为第一滤波器强度,并且如果确定当前块或相邻块确定了滤波器强度,则将滤波器强度确定为第二滤波器强度 没有系数。 第一过滤强度大于第二过滤强度。

    Method and apparatus for encoding and decoding video signal by extending application of directional intra-prediction
    112.
    发明申请
    Method and apparatus for encoding and decoding video signal by extending application of directional intra-prediction 审中-公开
    通过扩展定向帧内预测的应用对视频信号进行编码和解码的方法和装置

    公开(公告)号:US20070019726A1

    公开(公告)日:2007-01-25

    申请号:US11490035

    申请日:2006-07-21

    IPC分类号: H04N7/12 H04N11/04

    摘要: A method and apparatus for encoding and decoding a video signal by extending an application of directional intra-prediction. When performing a directional intra-prediction during video data encoding, a second block in a frame is searched in order to predict information of a first block included in the video data from the second block existing in the same frame as the first block, a residual between information included in the searched second block and the information included in the first block is calculated, and the calculated residual is encoded. The second block exists in a position adjacent to the first block, and the first block refers to the second block in a third direction existing between a first direction and a second direction that are adjacent to each other for use in the directional intra-prediction.

    摘要翻译: 一种通过扩展定向帧内预测的应用来对视频信号进行编码和解码的方法和装置。 当在视频数据编码期间执行定向帧内预测时,搜索帧中的第二块以便从与第一块相同的帧中存在的第二块中预测包括在视频数据中的第一块的信息,剩余 计算包括在搜索到的第二块中的信息和包括在第一块中的信息之间,并且对所计算的残差进行编码。 第二块存在于与第一块相邻的位置,并且第一块是指存在于彼此相邻的第一方向和第二方向之间的第三方向上的第二块,用于定向帧内预测。

    Video coding method and apparatus for reducing mismatch between encoder and decoder
    113.
    发明申请
    Video coding method and apparatus for reducing mismatch between encoder and decoder 审中-公开
    用于减少编码器和解码器之间的不匹配的视频编码方法和装置

    公开(公告)号:US20070014356A1

    公开(公告)日:2007-01-18

    申请号:US11487980

    申请日:2006-07-18

    IPC分类号: H04N7/12 H04B1/66

    摘要: A method of reducing mismatch between an encoder and a decoder in a motion compensated temporal filtering process and a video coding method and apparatus using the same. The video coding method includes the steps of dividing input frames into one final low-pass frame and at least one high-pass frame through a motion compensated temporal filtering, coding the final low-pass frame and then decoding the coded final low-pass frame, re-estimating the high-pass frame by using the decoded final low-pass frame, and coding the re-estimation high-pass frame.

    摘要翻译: 一种在运动补偿时间滤波处理中减少编码器与解码器之间的失配的方法,以及使用其的视频编码方法和装置。 视频编码方法包括以下步骤:通过运动补偿时间滤波将输入帧分成一个最终低通帧和至少一个高通帧,对最终的低通帧进行编码,然后对编码的最终低通帧进行解码 ,通过使用解码的最终低通帧来重新估计高通帧,以及对重估估高通帧进行编码。

    Multilayer-based video encoding method, decoding method, video encoder, and video decoder using smoothing prediction
    114.
    发明申请
    Multilayer-based video encoding method, decoding method, video encoder, and video decoder using smoothing prediction 审中-公开
    基于多层视频编码方法,解码方法,视频编码器和使用平滑预测的视频解码器

    公开(公告)号:US20060280372A1

    公开(公告)日:2006-12-14

    申请号:US11450387

    申请日:2006-06-12

    申请人: Woo-jin Han

    发明人: Woo-jin Han

    IPC分类号: G06K9/46 G06K9/40

    摘要: A method and apparatus for decreasing block artifacts in multilayer-based video coding are provided. A multilayer-based video encoding method includes calculating a difference between an inter prediction block for the block of a lower layer picture, which corresponds to an arbitrary block of a current picture, and the block of the lower layer picture, adding the calculated difference to an inter prediction block for the block of the current picture, smoothing a block, which is generated by the adding, using a smoothing filter, and encoding a difference between the block of the current picture and a block generated by the smoothing.

    摘要翻译: 提供了一种用于减少基于多层的视频编码中的块伪影的方法和装置。 一种基于多层的视频编码方法,其特征在于,计算与对应于当前画面的任意块的下层画面的块的帧间预测块和下层画面的块之间的差分, 用于当前图像的块的帧间预测块,使用平滑滤波器对由加法生成的块进行平滑,以及对当前图像的块和通过平滑生成的块之间的差进行编码。

    Method and apparatus for encoding and decoding video signals in intra-base-layer prediction mode by selectively applying intra-coding
    115.
    发明申请
    Method and apparatus for encoding and decoding video signals in intra-base-layer prediction mode by selectively applying intra-coding 审中-公开
    通过选择性地应用帧内编码来以帧内预测模式对视频信号进行编码和解码的方法和装置

    公开(公告)号:US20060233250A1

    公开(公告)日:2006-10-19

    申请号:US11402860

    申请日:2006-04-13

    IPC分类号: H04N7/12

    摘要: A method and apparatus for encoding and decoding macroblocks in an intra-base layer prediction mode by selectively applying intra-coding are provided. The method includes the steps of calculating a difference between an input frame and a base layer frame calculated from the input frame and obtaining residual signals, converting the residual signals using an intra-coding method, and generating an enhancement layer frame including the converted residual signals.

    摘要翻译: 提供了一种通过选择性地应用帧内编码来对基站内预测模式中的宏块进行编码和解码的方法和装置。 该方法包括以下步骤:计算从输入帧计算出的输入帧和基本层帧之间的差异,并获得残余信号,使用帧内编码方法转换残余信号,以及生成包括转换的残留信号的增强层帧 。

    Context-based adaptive arithmetic coding and decoding methods and apparatuses with improved coding efficiency and video coding and decoding methods and apparatuses using the same
    116.
    发明申请
    Context-based adaptive arithmetic coding and decoding methods and apparatuses with improved coding efficiency and video coding and decoding methods and apparatuses using the same 失效
    具有改进的编码效率的基于上下文的自适应算术编码和解码方法和装置以及使用其的视频编码和解码方法和装置

    公开(公告)号:US20060232454A1

    公开(公告)日:2006-10-19

    申请号:US11405573

    申请日:2006-04-18

    IPC分类号: H03M7/34

    摘要: Context-based adaptive arithmetic coding and decoding methods and apparatuses with improved coding efficiency and video coding and decoding methods and apparatuses using the same are provided. The method for performing context-based adaptive arithmetic coding on a given slice in an enhancement layer frame of a video signal having a multi-layered structure includes steps of resetting a context model for the given slice to a context model for a base layer slice at the same temporal position as the given slice, arithmetically coding a data symbol of the given slice using the reset context model, and updating the context model based on the value of the arithmetically coded data symbol.

    摘要翻译: 提供了具有改进的编码效率的基于上下文的自适应算术编码和解码方法和装置以及使用其的视频编码和解码方法和装置。 在具有多层结构的视频信号的增强层帧中对给定切片进行基于上下文的自适应算术编码的方法包括以下步骤:将给定切片的上下文模型重置为基底层切片的上下文模型 与给定切片相同的时间位置,使用重置上下文模型对给定切片的数据符号进行算术编码,以及基于算术编码的数据符号的值来更新上下文模型。

    Video coding and decoding methods with hierarchical temporal filtering structure, and apparatus for the same
    118.
    发明申请
    Video coding and decoding methods with hierarchical temporal filtering structure, and apparatus for the same 有权
    具有分层时间滤波结构的视频编码和解码方法,以及相同的装置

    公开(公告)号:US20060182179A1

    公开(公告)日:2006-08-17

    申请号:US11353130

    申请日:2006-02-14

    申请人: Woo-jin Han

    发明人: Woo-jin Han

    摘要: A method and apparatus for video coding and decoding with hierarchical temporal filtering structure are disclosed. A video encoding method in a temporal level having a hierarchical temporal filtering structure, includes generating prediction frames from two or more reference frames that temporally precede the current frame; generating a residual frame by subtracting the prediction frames from the current frame; and encoding and transmitting the residual frame.

    摘要翻译: 公开了一种具有分级时间滤波结构的视频编码和解码方法和装置。 一种具有分级时间滤波结构的时间级视频编码方法,包括:从时间上在当前帧之前的两个或更多个参考帧产生预测帧; 通过从当前帧减去预测帧来产生残差帧; 并编码和发送剩余帧。

    Multi-layered intra-prediction method and video coding method and apparatus using the same
    119.
    发明申请
    Multi-layered intra-prediction method and video coding method and apparatus using the same 审中-公开
    多层帧内预测方法和视频编码方法及使用该方法的装置

    公开(公告)号:US20060104354A1

    公开(公告)日:2006-05-18

    申请号:US11271984

    申请日:2005-11-14

    摘要: A video coding method using a multi-layer structure, and more particularly, a method and apparatus for facilitating a search for an intra-prediction mode in an upper layer using an intra-prediction mode in a lower layer while efficiently and compressively encoding the searched intra-prediction mode are provided. The intra-prediction method includes searching for an optimum prediction mode of a current block among a predetermined number of intra-prediction modes, and obtaining a directional difference between the searched optimum prediction mode and an optimum prediction mode of a lower layer block corresponding to the current block.

    摘要翻译: 一种使用多层结构的视频编码方法,更具体地说,涉及一种在下层中使用帧内预测模式促进对上层内帧内预测模式的搜索的方法和装置,同时有效和​​压缩编码搜索到的 提供帧内预测模式。 帧内预测方法包括在预定数量的帧内预测模式中搜索当前块的最佳预测模式,并且获得所搜索的最佳预测模式与对应于所述帧内预测模式的下层块的最佳预测模式之间的方向差 当前块。

    Scalable video coding method and apparatus using base-layer
    120.
    发明申请
    Scalable video coding method and apparatus using base-layer 审中-公开
    可扩展视频编码方法和使用基础的设备

    公开(公告)号:US20060013313A1

    公开(公告)日:2006-01-19

    申请号:US11181858

    申请日:2005-07-15

    申请人: Woo-jin Han Ho-jin Ha

    发明人: Woo-jin Han Ho-jin Ha

    摘要: A method of more efficiently conducting temporal filtering in a scalable video codec by use of a base-layer is provided. The method of efficiently compressing frames at higher layers by use of a base-layer in a multilayer-based video coding method includes (a) generating a base-layer frame from an input original video sequence, having the same temporal position as a first higher layer frame, (b) upsampling the base-layer frame to have the resolution of a higher layer frame, and (c) removing redundancy of the first higher layer frame on a block basis by referencing a second higher layer frame having a different temporal position from the first higher layer frame and the upsampled base-layer frame.

    摘要翻译: 提供了一种通过使用基层在可伸缩视频编解码器中更有效地进行时间滤波的方法。 在基于多层的视频编码方法中通过使用基层高效地压缩帧的方法包括:(a)从输入的原始视频序列生成具有与第一高的相同的时间位置的基本层帧 (b)对基层帧进行上采样以具有较高层帧的分辨率,以及(c)通过参考具有不同时间位置的第二较高层帧来消除块上的第一较高层帧的冗余 从第一高层帧和上采样的基层帧。