System And Method Of Error Control For Video Coding
    1.
    发明申请
    System And Method Of Error Control For Video Coding 有权
    视频编码的误差控制系统与方法

    公开(公告)号:US20090074082A1

    公开(公告)日:2009-03-19

    申请号:US12236932

    申请日:2008-09-24

    IPC分类号: H04N7/26

    摘要: A system and method for video coding include an encoder and decoder. The encoder/decoder respectively include a base layer encoding/decoding apparatus, at least one enhancement layer encoding/decoding apparatus, and an encoder/decoder drift control apparatus. The encoder drift control apparatus is configured to determine the amount of local error drift for the encoder according to local information of the base layer encoding apparatus and the enhancement layer encoding apparatus and control the value of an encoder leaky factor according to the amount of error drift. The decoder drift control apparatus is configured to determine the amount of local error drift for the decoder according to local information of the base layer decoding apparatus and the enhancement layer decoding apparatus and control a decoder leaky factor according to the amount of error drift.

    摘要翻译: 用于视频编码的系统和方法包括编码器和解码器。 编码器/解码器分别包括基本层编码/解码装置,至少一个增强层编码/解码装置和编码器/解码器漂移控制装置。 编码器漂移控制装置被配置为根据基本层编码装置和增强层编码装置的本地信息确定编码器的局部误差漂移量,并根据误差漂移量控制编码器泄漏因子的值 。 解码器漂移控制装置被配置为根据基本层解码装置和增强层解码装置的本地信息确定解码器的局部误差漂移量,并根据误差漂移量来控制解码器泄漏因子。

    Method, apparatus and system for rapid motion search applied in template switching
    2.
    发明授权
    Method, apparatus and system for rapid motion search applied in template switching 有权
    适用于模板切换的快速运动搜索的方法,装置和系统

    公开(公告)号:US09014270B2

    公开(公告)日:2015-04-21

    申请号:US13073727

    申请日:2011-03-28

    摘要: A method, an apparatus and a system for a rapid motion search applied in template matching are disclosed. The method includes: selecting motion vectors of blocks related to a current block as candidate motion vectors of the current block; after the uniqueness of a series of the candidate motion vectors of the current block is maintained, calculating the cost function of the candidate motion vectors in a corresponding template area of a reference frame, and obtaining the motion vector of the best matching template from the candidate motion vectors of the current block. In the embodiments of the present invention, there is no need to determine a large search range and no need to determine the corresponding search path template, and it is only necessary to perform a search in a smaller range.

    摘要翻译: 公开了一种适用于模板匹配的快速运动搜索的方法,装置和系统。 该方法包括:选择与当前块相关的块的运动矢量作为当前块的候选运动矢量; 在保持当前块的一系列候选运动矢量的唯一性之后,计算参考帧的相应模板区域中的候选运动矢量的成本函数,并从候选者获得最佳匹配模板的运动矢量 当前块的运动矢量。 在本发明的实施例中,不需要确定大的搜索范围,并且不需要确定相应的搜索路径模板,并且仅需要在较小的范围内执行搜索。

    METHOD FOR COMPRESSING DATA IN A VIDEO SEQUENCE
    3.
    发明申请
    METHOD FOR COMPRESSING DATA IN A VIDEO SEQUENCE 审中-公开
    用于在视频序列中压缩数据的方法

    公开(公告)号:US20100284465A1

    公开(公告)日:2010-11-11

    申请号:US12308301

    申请日:2007-09-04

    IPC分类号: H04N7/26

    摘要: A method for compressing data in a video sequence, a system for carrying out the method, a computer program, and a computer program product are provided. In the described method, results of a motion estimation for a previous temporal decomposition stage are also used for motion compensation.

    摘要翻译: 提供一种用于压缩视频序列中的数据的方法,用于执行该方法的系统,计算机程序和计算机程序产品。 在所描述的方法中,用于先前时间分解阶段的运动估计的结果也用于运动补偿。

    Inter-frame prediction coding method, device and system
    4.
    发明申请
    Inter-frame prediction coding method, device and system 有权
    帧间预测编码方法,装置和系统

    公开(公告)号:US20100272183A1

    公开(公告)日:2010-10-28

    申请号:US12830877

    申请日:2010-07-06

    IPC分类号: H04N7/32

    摘要: Inter-frame prediction coding method, device and system are provided. The inter-frame prediction coding method includes: calculating distortions between a template area of current encoding block and each of M matching templates in L reference frames, to determine M offset vectors; acquiring M hypothesis prediction values of the encoding block to which the M matching templates correspond according to the determined M offset vectors, and calculating the template matching prediction value of the current encoding block according to the M hypothesis prediction values; comparing the template matching prediction value and original value of the current encoding block to acquire the residual of the current encoding block, and encoding the residual. The technical solution improves prediction performance of the video coding system and increases coding efficiency.

    摘要翻译: 提供了帧间预测编码方法,装置和系统。 帧间预测编码方法包括:计算当前编码块的模板区域与L个参考帧中的M个匹配模板中的每一个之间的失真,以确定M个偏移矢量; 根据所确定的M个偏移向量获取M个匹配模板对应的编码块的M个假设预测值,并根据M个假设预测值计算当前编码块的模板匹配预测值; 比较模板匹配预测值和当前编码块的原始值,以获取当前编码块的残差,并对残差进行编码。 该技术方案提高了视频编码系统的预测性能,提高了编码效率。

    Inter-frame prediction coding method, device and system
    5.
    发明授权
    Inter-frame prediction coding method, device and system 有权
    帧间预测编码方法,装置和系统

    公开(公告)号:US08693543B2

    公开(公告)日:2014-04-08

    申请号:US12830877

    申请日:2010-07-06

    IPC分类号: H04N7/50

    摘要: Inter-frame prediction coding method, device and system are provided. The inter-frame prediction coding method includes: calculating distortions between a template area of current encoding block and each of M matching templates in L reference frames, to determine M offset vectors; acquiring M hypothesis prediction values of the encoding block to which the M matching templates correspond according to the determined M offset vectors, and calculating the template matching prediction value of the current encoding block according to the M hypothesis prediction values; comparing the template matching prediction value and original value of the current encoding block to acquire the residual of the current encoding block, and encoding the residual. The technical solution improves prediction performance of the video coding system and increases coding efficiency.

    摘要翻译: 提供了帧间预测编码方法,装置和系统。 帧间预测编码方法包括:计算当前编码块的模板区域与L个参考帧中的M个匹配模板中的每一个之间的失真,以确定M个偏移矢量; 根据所确定的M个偏移向量获取M个匹配模板对应的编码块的M个假设预测值,并根据M个假设预测值计算当前编码块的模板匹配预测值; 比较模板匹配预测值和当前编码块的原始值,以获取当前编码块的残差,并对残差进行编码。 该技术方案提高了视频编码系统的预测性能,提高了编码效率。

    System and method of error control for video coding
    6.
    发明授权
    System and method of error control for video coding 有权
    视频编码的误差控制系统和方法

    公开(公告)号:US08345776B2

    公开(公告)日:2013-01-01

    申请号:US12236932

    申请日:2008-09-24

    IPC分类号: H04N7/12 H04N11/02 H04N11/04

    摘要: A system and method for video coding include an encoder and decoder. The encoder/decoder respectively include a base layer encoding/decoding apparatus, at least one enhancement layer encoding/decoding apparatus, and an encoder/decoder drift control apparatus. The encoder drift control apparatus is configured to determine the amount of local error drift for the encoder according to local information of the base layer encoding apparatus and the enhancement layer encoding apparatus and control the value of an encoder leaky factor according to the amount of error drift. The decoder drift control apparatus is configured to determine the amount of local error drift for the decoder according to local information of the base layer decoding apparatus and the enhancement layer decoding apparatus and control a decoder leaky factor according to the amount of error drift.

    摘要翻译: 用于视频编码的系统和方法包括编码器和解码器。 编码器/解码器分别包括基本层编码/解码装置,至少一个增强层编码/解码装置和编码器/解码器漂移控制装置。 编码器漂移控制装置被配置为根据基本层编码装置和增强层编码装置的本地信息确定编码器的局部误差漂移量,并根据误差漂移量控制编码器泄漏因子的值 。 解码器漂移控制装置被配置为根据基本层解码装置和增强层解码装置的本地信息确定解码器的局部误差漂移量,并根据误差漂移量来控制解码器泄漏因子。

    Method, apparatus and system for rapid motion search applied in template switching
    7.
    发明申请
    Method, apparatus and system for rapid motion search applied in template switching 有权
    适用于模板切换的快速运动搜索的方法,装置和系统

    公开(公告)号:US20110188579A1

    公开(公告)日:2011-08-04

    申请号:US13073727

    申请日:2011-03-28

    IPC分类号: H04N7/26

    摘要: A method, an apparatus and a system for a rapid motion search applied in template matching are disclosed. The method includes: selecting motion vectors of blocks related to a current block as candidate motion vectors of the current block; after the uniqueness of a series of the candidate motion vectors of the current block is maintained, calculating the cost function of the candidate motion vectors in a corresponding template area of a reference frame, and obtaining the motion vector of the best matching template from the candidate motion vectors of the current block. In the embodiments of the present invention, there is no need to determine a large search range and no need to determine the corresponding search path template, and it is only necessary to perform a search in a smaller range.

    摘要翻译: 公开了一种适用于模板匹配的快速运动搜索的方法,装置和系统。 该方法包括:选择与当前块相关的块的运动矢量作为当前块的候选运动矢量; 在保持当前块的一系列候选运动矢量的唯一性之后,计算参考帧的相应模板区域中的候选运动矢量的成本函数,并从候选者获得最佳匹配模板的运动矢量 当前块的运动矢量。 在本发明的实施例中,不需要确定大的搜索范围,并且不需要确定相应的搜索路径模板,并且仅需要在较小的范围内执行搜索。

    Inter-frame prediction coding method and device
    8.
    发明申请
    Inter-frame prediction coding method and device 审中-公开
    帧间预测编码方法及装置

    公开(公告)号:US20100208814A1

    公开(公告)日:2010-08-19

    申请号:US12761229

    申请日:2010-04-15

    IPC分类号: H04N7/32

    摘要: An inter-frame prediction coding method is disclosed, which comprises: an encoder determines an encoding mode and performs encoding by comparing the obtained template matching motion vector and motion vector prediction value of the current block; a decoder receives the bitstream from the encoder, and determines a decoding mode and performs decoding by comparing the obtained template matching motion vector and motion vector prediction value of the current block. Inter-frame prediction encoding device and decoding device are also disclosed. With the method and device of the embodiments of the present invention, code rate can be saved during inter-frame prediction.

    摘要翻译: 公开了一种帧间预测编码方法,包括:编码器确定编码模式,并通过比较获得的模板匹配运动矢量和当前块的运动矢量预测值来进行编码; 解码器从编码器接收比特流,并且确定解码模式,并通过比较获得的模板匹配运动矢量和当前块的运动矢量预测值来进行解码。 还公开了帧间预测编码装置和解码装置。 利用本发明的实施例的方法和装置,可以在帧间预测期间节省码率。