Channel adaptive iterative turbo decoder system and method
    1.
    发明申请
    Channel adaptive iterative turbo decoder system and method 有权
    信道自适应迭代turbo解码器系统及方法

    公开(公告)号:US20100070819A1

    公开(公告)日:2010-03-18

    申请号:US12283863

    申请日:2008-09-16

    IPC分类号: H03M13/05 G06F11/10

    摘要: A channel adaptive iterative turbo decoder for computing with MAP decoders a set of branch metrics for a window of received data, computing the forward and reverse recursive path state metrics and computing from the forward and reverse recursive path state metrics the log likelihood ratio for 1 and 0 and interleaving the decision bits; and identifying those MAP decoder decision bits which are non-convergent, computing a set of branch metrics for the received data, computing from the forward and reverse recursive path state metrics the log likelihood ratio (LLR) for 1 and 0 for each non-converged decision bit and interleaving the non-convergent decision bits.

    摘要翻译: 一种信道自适应迭代turbo解码器,用于使用MAP解码器计算接收数据窗口的一组分支度量,计算正向和反向递归路径状态度量,以及从正向和反向递归路径状态度量计算1和对数似然比 0并交错判决位; 并且识别那些不收敛的MAP解码器判定比特,计算接收数据的一组分支度量,从正向和反向递归路径状态度量,计算每个非收敛的对数似然比(LLR)1和0 判决位和交织非收敛判定位。

    Channel adaptive iterative turbo decoder system and method
    2.
    发明授权
    Channel adaptive iterative turbo decoder system and method 有权
    信道自适应迭代turbo解码器系统及方法

    公开(公告)号:US08321744B2

    公开(公告)日:2012-11-27

    申请号:US12283863

    申请日:2008-09-16

    摘要: A channel adaptive iterative turbo decoder for computing with MAP decoders a set of branch metrics for a window of received data, computing the forward and reverse recursive path state metrics and computing from the forward and reverse recursive path state metrics the log likelihood ratio for 1 and 0 and interleaving the decision bits; and identifying those MAP decoder decision bits which are non-convergent, computing a set of branch metrics for the received data, computing from the forward and reverse recursive path state metrics the log likelihood ratio (LLR) for 1 and 0 for each non-converged decision bit and interleaving the non-convergent decision bits.

    摘要翻译: 一种信道自适应迭代turbo解码器,用于使用MAP解码器计算接收数据窗口的一组分支度量,计算正向和反向递归路径状态度量,以及从正向和反向递归路径状态度量计算1和对数似然比 0并交错判决位; 并且识别那些不收敛的MAP解码器判定比特,计算接收数据的一组分支度量,从正向和反向递归路径状态度量,计算每个非收敛的对数似然比(LLR)1和0 判决位和交织非收敛判定位。

    Variable length decoder system and method
    3.
    发明申请
    Variable length decoder system and method 有权
    可变长度解码器系统和方法

    公开(公告)号:US20080010439A1

    公开(公告)日:2008-01-10

    申请号:US11900968

    申请日:2007-09-13

    IPC分类号: G06F9/30

    摘要: Simultaneously decoding one or more variable length code symbols including storing in a bit FIFO at least a portion of a variable length coded bit stream; storing a succession of extracted bit fields of predetermined bit length from the variable length coded bit stream in the bit FIFO; defining at least one inspection field in the extracted bit field, each inspection field identifying at least one variable length code symbol; and storing in look-up table a decode value uniquely addressable by each bit combination of the inspection field for reading out the one or more decode values corresponding to the unique address defined by the inspection field.

    摘要翻译: 同时解码一个或多个可变长度码符号,包括在比特FIFO中存储可变长度编码比特流的至少一部分; 从比特FIFO中的可变长度编码比特流存储连续提取的预定比特长度的比特字段; 在提取的位字段中定义至少一个检查字段,每个检查字段标识至少一个可变长度代码符号; 并且通过检查字段的每个比特组合在查找表中存储唯一可寻址的解码值,用于读出与由检查字段定义的唯一地址相对应的一个或多个解码值。

    Video decoder system and method with video enhancement using direct contrast enhancement in the spatial domain
    4.
    发明申请
    Video decoder system and method with video enhancement using direct contrast enhancement in the spatial domain 有权
    视频解码系统和视频增强方法在空间域中使用直接对比度增强

    公开(公告)号:US20090196352A1

    公开(公告)日:2009-08-06

    申请号:US12151382

    申请日:2008-05-06

    IPC分类号: H04N7/26

    摘要: Video decoding with video enhancement using direct contrast enhancement in the spatial domain including transforming the decoded intramacroblock output to a matrix of spatial domain coefficients; multiplying the spatial domain coefficients with the corresponding intramacroblock enhancement matrix elements of an intramacroblock enhancement matrix to provide enhanced spatial coefficients; transforming said enhanced spatial coefficients to the temporal domain to generate an enhanced decoded intramacroblock; multiplying the spatial domain intermacroblock coefficients from the entropy decoder of the video decoder with the corresponding intermacroblock enhancement matrix elements of an intermacroblock enhancement matrix to provide enhanced spatial coefficients, and transforming the enhanced spatial coefficients to generate enhanced decoded residual coefficients.

    摘要翻译: 使用在空间域中的直接对比度增强的视频增强的视频解码,包括将解码的帧内输出转换为空间域系数的矩阵; 将空间域系数与宏块间增强矩阵的对应的宏块内增强矩阵元素相乘以提供增强的空间系数; 将所述增强的空间系数变换到时域,以产生增强的解码的内部宏块; 将来自视频解码器的熵解码器的空间域宏块间系数与宏块间增强矩阵的相应的宏块间增强矩阵元素相乘,以提供增强的空间系数,以及变换增强的空间系数以生成增强的解码剩余系数。

    Spatial domain video enhancement/scaling system and method
    5.
    发明授权
    Spatial domain video enhancement/scaling system and method 有权
    空间域视频增强/缩放系统和方法

    公开(公告)号:US08208745B2

    公开(公告)日:2012-06-26

    申请号:US12079547

    申请日:2008-03-27

    摘要: A method of spatial domain video enhancement/up-scaling including transforming the video input from the temporal domain to a K×K matrix of spatial domain coefficients; multiplying each spatial domain coefficient by corresponding elements of a K×K enhancement matrix to obtain enhanced spatial domain coefficients; depositing the enhanced spatial domain coefficients in the upper left K×K corner of a zero padded 2K×2K inverse transform matrix and inversely transforming them to scale the enhanced spatial domain coefficients and convert them back to video output temporal domain elements and a method of spatial domain video enhancement/down-scaling including transforming the video input from the temporal domain to a 2K×2K matrix of spatial domain coefficients; multiplying the upper left K×K corner of the 2K×2K matrix of spatial domain coefficients by the corresponding elements of a K×K enhancement matrix to obtain enhanced spatial domain coefficients; inversely transforming the K×K enhanced spatial domain coefficients to scale them and convert them back to video output temporal domain elements.

    摘要翻译: 一种空间域视频增强/上调的方法,包括将视频输入从时域变换为空间域系数的K×K矩阵; 将每个空间域系数乘以K×K增强矩阵的相应元素,以获得增强的空间域系数; 在零填充的2K×2K逆变换矩阵的左上角K×K角中存储增强的空间域系数,并对其进行逆变换以缩小增强的空间域系数并将其转换回视频输出时域元素和空间方法 域视频增强/缩小缩放,包括将视频输入从时域变换为空间域系数的2K×2K矩阵; 将空间域系数的2K×2K矩阵的左上K×K角与K×K增强矩阵的相应元素相乘,以获得增强的空间域系数; 逆向变换K×K增强空间域系数,对其进行缩放,并将其转换回视频输出时域。

    Method and apparatus for mapping the primary operational sequences of an algorithm in a compute unit having an internal random access memory
    6.
    发明授权
    Method and apparatus for mapping the primary operational sequences of an algorithm in a compute unit having an internal random access memory 失效
    用于在具有内部随机存取存储器的计算单元中映射算法的主要操作序列的方法和装置

    公开(公告)号:US07650322B2

    公开(公告)日:2010-01-19

    申请号:US11584877

    申请日:2006-10-23

    IPC分类号: G06F15/00 G06F15/18

    摘要: A method and apparatus for direct mapping in a compute unit having an internal random access memory the primary operational sequences of an algorithm to related function including storing in an internal random access memory at least one predetermined direct mapped function value for each primary operational sequence of an algorithm; holding in an input data register the address in the random access memory of at least one mapped function value for a selected primary operational sequence of the algorithm and holding in an output register the at least one mapped function value for the selected primary operational sequence of the algorithm read out of the random access memory.

    摘要翻译: 一种用于在具有内部随机存取存储器的计算单元中直接映射的方法和装置,所述算法的主要操作序列与相关功能相关,包括在内部随机存取存储器中存储至少一个预定的直接映射函数值, 算法; 在输入数据寄存器中保存所述算法的所选主要操作序列的至少一个映射函数值的随机存取存储器中的地址,并且在输出寄存器中保存所选择的主操作序列的至少一个映射函数值 算法读出随机存取存储器。

    Method and apparatus for mapping the primary operational sequences of an algorithm in a compute unit having an internal random access memory
    7.
    发明申请
    Method and apparatus for mapping the primary operational sequences of an algorithm in a compute unit having an internal random access memory 失效
    用于在具有内部随机存取存储器的计算单元中映射算法的主要操作序列的方法和装置

    公开(公告)号:US20080154803A1

    公开(公告)日:2008-06-26

    申请号:US11584877

    申请日:2006-10-23

    IPC分类号: G06F15/18

    摘要: A method and apparatus for direct mapping in a compute unit having an internal random access memory the primary operational sequences of an algorithm to related function including storing in an internal random access memory at least one predetermined direct mapped function value for each primary operational sequence of an algorithm; holding in an input data register the address in the random access memory of at least one mapped function value for a selected primary operational sequence of the algorithm and holding in an output register the at least one mapped function value for the selected primary operational sequence of the algorithm read out of the random access memory.

    摘要翻译: 一种用于在具有内部随机存取存储器的计算单元中直接映射的方法和装置,所述算法的主要操作序列与相关功能相关,包括在内部随机存取存储器中存储至少一个预定的直接映射函数值, 算法; 在输入数据寄存器中保存所述算法的所选主要操作序列的至少一个映射函数值的随机存取存储器中的地址,并且在输出寄存器中保存用于所选择的主操作序列的至少一个映射函数值 算法读出随机存取存储器。

    Video decoder system and method with video enhancement using direct contrast enhancement in the spatial domain
    8.
    发明授权
    Video decoder system and method with video enhancement using direct contrast enhancement in the spatial domain 有权
    视频解码系统和视频增强方法在空间域中使用直接对比度增强

    公开(公告)号:US08290056B2

    公开(公告)日:2012-10-16

    申请号:US12151382

    申请日:2008-05-06

    IPC分类号: H04N7/12

    摘要: Video decoding with video enhancement using direct contrast enhancement in the spatial domain including transforming the decoded intramacroblock output to a matrix of spatial domain coefficients; multiplying the spatial domain coefficients with the corresponding intramacroblock enhancement matrix elements of an intramacroblock enhancement matrix to provide enhanced spatial coefficients; transforming said enhanced spatial coefficients to the temporal domain to generate an enhanced decoded intramacroblock; multiplying the spatial domain intermacroblock coefficients from the entropy decoder of the video decoder with the corresponding intermacroblock enhancement matrix elements of an intermacroblock enhancement matrix to provide enhanced spatial coefficients, and transforming the enhanced spatial coefficients to generate enhanced decoded residual coefficients.

    摘要翻译: 使用在空间域中的直接对比度增强的视频增强的视频解码,包括将解码的帧内输出转换为空间域系数的矩阵; 将空间域系数与宏块间增强矩阵的对应的宏块内增强矩阵元素相乘以提供增强的空间系数; 将所述增强的空间系数变换到时域,以产生增强的解码的内部宏块; 将来自视频解码器的熵解码器的空间域宏块间系数与宏块间增强矩阵的相应的宏块间增强矩阵元素相乘,以提供增强的空间系数,以及变换增强的空间系数以生成增强的解码剩余系数。

    Variable length decoder system and method
    9.
    发明授权
    Variable length decoder system and method 有权
    可变长度解码器系统和方法

    公开(公告)号:US07728744B2

    公开(公告)日:2010-06-01

    申请号:US11900968

    申请日:2007-09-13

    IPC分类号: H03M7/40 H03M7/00

    摘要: Simultaneously decoding one or more variable length code symbols including storing in a bit FIFO at least a portion of a variable length coded bit stream; storing a succession of extracted bit fields of predetermined bit length from the variable length coded bit stream in the bit FIFO; defining at least one inspection field in the extracted bit field, each inspection field identifying at least one variable length code symbol; and storing in look-up table a decode value uniquely addressable by each bit combination of the inspection field for reading out the one or more decode values corresponding to the unique address defined by the inspection field.

    摘要翻译: 同时解码一个或多个可变长度码符号,包括在比特FIFO中存储可变长度编码比特流的至少一部分; 从比特FIFO中的可变长度编码比特流存储连续提取的预定比特长度的比特字段; 在提取的位字段中定义至少一个检查字段,每个检查字段标识至少一个可变长度代码符号; 并且通过检查字段的每个比特组合在查找表中存储唯一可寻址的解码值,用于读出与由检查字段定义的唯一地址相对应的一个或多个解码值。

    Spatial domain video enhancement/scaling system and method
    10.
    发明申请
    Spatial domain video enhancement/scaling system and method 有权
    空间域视频增强/缩放系统和方法

    公开(公告)号:US20090196518A1

    公开(公告)日:2009-08-06

    申请号:US12079547

    申请日:2008-03-27

    IPC分类号: G06K9/36

    摘要: A method of spatial domain video enhancement/up-scaling including transforming the video input from the temporal domain to a K×K matrix of spatial domain coefficients; multiplying each spatial domain coefficient by corresponding elements of a K×K enhancement matrix to obtain enhanced spatial domain coefficients; depositing the enhanced spatial domain coefficients in the upper left K×K corner of a zero padded 2K×2K inverse transform matrix and inversely transforming them to scale the enhanced spatial domain coefficients and convert them back to video output temporal domain elements and a method of spatial domain video enhancement/down-scaling including transforming the video input from the temporal domain to a 2K×2K matrix of spatial domain coefficients; multiplying the upper left K×K corner of the 2K×2K matrix of spatial domain coefficients by the corresponding elements of a K×K enhancement matrix to obtain enhanced spatial domain coefficients; inversely transforming the K×K enhanced spatial domain coefficients to scale them and convert them back to video output temporal domain elements.

    摘要翻译: 一种空间域视频增强/上调方法,包括将视频输入从时域变换为空间域系数的K×K矩阵; 将每个空间域系数乘以KxK增强矩阵的相应元素以获得增强的空间域系数; 在零填充的2Kx2K逆变换矩阵的左上角KxK角中沉积增强的空间域系数,并对其进行逆变换以对增强的空间域系数进行缩放,并将其转换回视频输出时域中的元素和空间域视频增强/ 缩小缩放,包括将视频输入从时域变换为空间域系数的2K×2K矩阵; 将空间域系数的2Kx2K矩阵的左上角KxK角乘以KxK增强矩阵的对应元素,以获得增强的空间域系数; 将KxK增强的空间域系数反向变换以缩放它们并将其转换回视频输出时域。