公开(公告)号：US08126950B2

公开(公告)日：2012-02-28

申请号：US10573953

申请日：2004-05-06

申请人： Haibin Huang ,  Xiao Lin ,  Susanto Rahardja ,  Rongshan Yu

发明人： Haibin Huang ,  Xiao Lin ,  Susanto Rahardja ,  Rongshan Yu

IPC分类号： G06F17/14

CPC分类号： G06F17/147 ,  G06F17/141 ,  G06F17/148 ,  G10L19/0017 ,  G10L19/0212 ,  G10L19/24 ,  H04N19/60 ,  H04N19/63

摘要： A method for performing a domain transformation of a digital signal from the time domain into the frequency domain and vice versa, the method including performing the transformation by a transforming element, the transformation element comprising a plurality of lifting stages, wherein the transformation corresponds to a transformation matrix and wherein at least one lifting stage of the plurality of lifting stages comprises at least one auxiliary transformation matrix and a rounding unit, the auxiliary transformation matrix comprising the transformation matrix itself or the corresponding transformation matrix of lower dimension. The method further comprising performing a rounding operation of the signal by the rounding unit after the transformation by the auxiliary transformation matrix.

摘要翻译： 一种用于执行从时域到频域的数字信号的域变换的方法，反之亦然，所述方法包括由变换元素执行变换，所述变换元素包括多个提升级，其中所述变换对应于 变换矩阵，并且其中所述多个提升级中的至少一个提升级包括至少一个辅助变换矩阵和舍入单元，所述辅助变换矩阵包括所述变换矩阵本身或相应的较低维度的转换矩阵。 该方法还包括：在通过辅助变换矩阵进行变换之后，由舍入单元执行该信号的舍入操作。

公开(公告)号：US20070276894A1

公开(公告)日：2007-11-29

申请号：US10573955

申请日：2004-05-06

申请人： Haibin Huang ,  Xiao Lin ,  Susanto Rahardja ,  Rongshan Yu

发明人： Haibin Huang ,  Xiao Lin ,  Susanto Rahardja ,  Rongshan Yu

IPC分类号： G06F17/14

CPC分类号： G06F17/147 ,  G06F17/141 ,  G06F17/148 ,  G10L19/0017 ,  G10L19/0212 ,  G10L19/24 ,  H04N19/60 ,  H04N19/63

摘要： According to the process for determining a transform element for a given transformation function, which transformation function comprises a transformation matrix and corresponds to a transformation of a digital signal from the time domain into the frequency domain or vice versa, the transformation matrix is decomposed into a rotation matrix (306) and an auxiliary matrix (307) which, when multiplied with itself, equals a permutation matrix multiplied with an integer diagonal matrix. Further, the rotation matrix (306) and the auxiliary matrix (307) are each decomposed into a plurality of lifting matrices (308). Further, the transforming element is determined to comprise of a plurality of lifting stages (309) which correspond to the lifting matrices (308). The invention further provides a method for the transformation of a digital signal from the time domain into the frequency domain according to the transforming element determined by the process described above.

摘要翻译： 根据用于确定用于给定变换函数的变换元素的过程，该变换函数包括变换矩阵并且对应于从时域到频域的数字信号的变换，反之亦然，变换矩阵被分解为 旋转矩阵（306）和辅助矩阵（307）当与其自身相乘时等于乘以整数对角矩阵的置换矩阵。 此外，旋转矩阵（306）和辅助矩阵（307）分别被分解成多个提升矩阵（308）。 此外，转换元件被确定为包括对应于提升矩阵（308）的多个提升台（309）。 本发明还提供了一种根据由上述过程确定的变换元件将数字信号从时域转换成频域的方法。

公开(公告)号：US08126951B2

公开(公告)日：2012-02-28

申请号：US10573954

申请日：2004-05-06

申请人： Haibin Huang ,  Xiao Lin ,  Susanto Rahardja ,  Rongshan Yu

发明人： Haibin Huang ,  Xiao Lin ,  Susanto Rahardja ,  Rongshan Yu

IPC分类号： G06F17/14

CPC分类号： G06F17/147 ,  G06F17/141 ,  G06F17/148 ,  G10L19/0017 ,  G10L19/0212 ,  G10L19/24 ,  H04N19/60 ,  H04N19/63

摘要： A method for transforming a digital signal from the time domain into the frequency domain and vice versa using a transformation function comprising a transformation matrix, the digital signal comprising data symbols which are grouped into a plurality of blocks, each block comprising a predefined number of the data symbols. The method includes the process of transforming two blocks of the digital signal by one transforming element, wherein the transforming element corresponds to a block-diagonal matrix comprising two sub matrices, wherein each sub-matrix comprises the transformation matrix and the transforming element comprises a plurality of lifting stages and wherein each lifting stage comprises the processing of blocks of the digital signal by an auxiliary transformation and by a rounding unit.

摘要翻译： 一种用于使用包括变换矩阵的变换函数将数字信号从时域变换为频域的方法，所述变换函数包括被分组为多个块的数据符号，每个块包括预定数量的 数据符号。 该方法包括通过一个变换元件变换数字信号的两个块的过程，其中变换元件对应于包括两个子矩阵的块对角矩阵，其中每个子矩阵包括变换矩阵，并且变换元件包括多个 的提升级，并且其中每个提升级包括通过辅助变换和舍入单元处理数字信号的块。

公开(公告)号：US20080030385A1

公开(公告)日：2008-02-07

申请号：US10573954

申请日：2004-05-06

申请人： Haibin Huang ,  Xiao Lin ,  Susanto Rahardja ,  Rongshan Yu

发明人： Haibin Huang ,  Xiao Lin ,  Susanto Rahardja ,  Rongshan Yu

IPC分类号： G06F17/14

CPC分类号： G06F17/147 ,  G06F17/141 ,  G06F17/148 ,  G10L19/0017 ,  G10L19/0212 ,  G10L19/24 ,  H04N19/60 ,  H04N19/63

摘要： A method for transforming a digital signal from the time domain into the frequency domain and vice versa using a transformation function comprising a transformation matrix, the digital signal comprising data symbols which are grouped into a plurality of blocks, each block comprising a predefined number of the data symbols. The method includes the process of transforming two blocks of the digital signal by one transforming element, wherein the transforming element corresponds to a block-diagonal matrix comprising two sub matrices, wherein each sub-matrix comprises the transformation matrix and the transforming element comprises a plurality of lifting stages and wherein each lifting stage comprises the processing of blocks of the digital signal by an auxiliary transformation and by a rounding unit.

摘要翻译： 一种用于使用包括变换矩阵的变换函数将数字信号从时域变换为频域的方法，所述变换函数包括被分组为多个块的数据符号，每个块包括预定数量的 数据符号。 该方法包括通过一个变换元件变换数字信号的两个块的过程，其中变换元件对应于包括两个子矩阵的块对角矩阵，其中每个子矩阵包括变换矩阵，并且变换元件包括多个 的提升级，并且其中每个提升级包括通过辅助变换和舍入单元处理数字信号的块。

公开(公告)号：US20070276893A1

公开(公告)日：2007-11-29

申请号：US10573953

申请日：2004-05-06

申请人： Haibin Huang ,  Xiao Lin ,  Susanto Rahardja ,  Rongshan Yu

发明人： Haibin Huang ,  Xiao Lin ,  Susanto Rahardja ,  Rongshan Yu

IPC分类号： G06F17/14

CPC分类号： G06F17/147 ,  G06F17/141 ,  G06F17/148 ,  G10L19/0017 ,  G10L19/0212 ,  G10L19/24 ,  H04N19/60 ,  H04N19/63

摘要： A method for performing a domain transformation of a digital signal from the time domain into the frequency domain and vice versa, the method including performing the transformation by a transforming element, the transformation element comprising a plurality of lifting stages, wherein the transformation corresponds to a transformation matrix and wherein at least one lifting stage of the plurality of lifting stages comprises at least one auxiliary transformation matrix and a rounding unit, the auxiliary transformation matrix comprising the transformation matrix itself or the corresponding transformation matrix of lower dimension. The method further comprising performing a rounding operation of the signal by the rounding unit after the transformation by the auxiliary transformation matrix.

摘要翻译： 一种用于执行从时域到频域的数字信号的域变换的方法，反之亦然，所述方法包括由变换元素执行变换，所述变换元素包括多个提升级，其中所述变换对应于 变换矩阵，并且其中所述多个提升级中的至少一个提升级包括至少一个辅助变换矩阵和舍入单元，所述辅助变换矩阵包括所述变换矩阵本身或相应的较低维度的转换矩阵。 该方法还包括：在通过辅助变换矩阵进行变换之后，由舍入单元执行该信号的舍入操作。

公开(公告)号：US07994946B2

公开(公告)日：2011-08-09

申请号：US11628951

申请日：2004-06-07

申请人： Rongshan Yu ,  Xiao Lin ,  Susanto Rahardja

发明人： Rongshan Yu ,  Xiao Lin ,  Susanto Rahardja

IPC分类号： H03M7/34

CPC分类号： H04N19/34 ,  H04N19/12 ,  H04N19/132 ,  H04N19/154 ,  H04N19/164 ,  H04N19/18 ,  H04N19/187 ,  H04N19/37 ,  H04N19/61 ,  H04N19/70

摘要： Systems and methods for scalably encoding and decoding coded data are presented. One exemplary method for scalably coding data includes classifying, based upon at least one predetermined criteria, each of the plurality of data received as either (i) perceptually relevant data or (ii) perceptually irrelevant data. The perceptually relevant data is scalably coded, and the perceptually irrelevant data is non-scalably coded. Subsequently, the scalably coded perceptually relevant data and the non-scalably coded perceptually irrelevant are combined into a coded data stream for transmission.

摘要翻译： 提出了可编码和解码编码数据的系统和方法。 用于可缩放地编码数据的一种示例性方法包括基于至少一个预定标准，将接收的多个数据中的每一个分类为（i）感知相关数据或（ii）感知上不相关的数据。 感知上相关的数据是可扩展编码的，并且感知上不相关的数据是不可分段编码的。 随后，可感知地编码的感知相关数据和不可压缩编码的感知上无关的数据被组合成用于传输的编码数据流。

公开(公告)号：US07532763B2

公开(公告)日：2009-05-12

申请号：US10532773

申请日：2002-10-24

申请人： Rongshan Yu ,  Susanto Rahardja ,  Xiao Lin

发明人： Rongshan Yu ,  Susanto Rahardja ,  Xiao Lin

IPC分类号： G06K9/36 ,  G06K9/46

CPC分类号： H03M7/40 ,  H04N19/13 ,  H04N19/136 ,  H04N19/184 ,  H04N19/60

摘要： A method for processing bit symbols generated by a data source, in particular a video, still image or audio source, comprising the following steps of constructing a plurality of bit-planes from the data source, each bit-plane comprising a plurality of bit-plane symbols; scanning the bit-plane symbols of each bit-plane to generate a binary string of bit-plane symbols; and encoding the binary string of the bit-plane symbols using a statistical model, wherein the statistical model is based on statistical properties of a Laplacian probability distribution function which characterizes the data source.

摘要翻译： 一种用于处理由数据源，特别是视频，静止图像或音频源产生的位符号的方法，包括以下步骤：从数据源构造多个位平面，每个位平面包括多个位 - 平面符号 扫描每个位平面的位平面符号以产生位平面符号的二进制串; 以及使用统计模型对位平面符号的二进制串进行编码，其中所述统计模型基于表征所述数据源的拉普拉斯概率分布函数的统计特性。

公开(公告)号：US08446947B2

公开(公告)日：2013-05-21

申请号：US10575409

申请日：2004-10-06

申请人： Rongshan Yu ,  Xiao Lin ,  Susanto Rahardja

发明人： Rongshan Yu ,  Xiao Lin ,  Susanto Rahardja

IPC分类号： H04N7/12 ,  H04N11/02 ,  H04N11/04 ,  H03M7/00 ,  G10H7/04 ,  G10L19/00

CPC分类号： G10L19/24 ,  H04N19/126 ,  H04N19/184 ,  H04N19/187 ,  H04N19/34 ,  H04N19/647

摘要： A method for encoding a digital signal into a scalable bitstream comprising quantizing the digital signal, and encoding the quantized signal to form a core-layer bitstream, performing an error mapping based on the digital signal and the core-layer bitstream to remove information that has been encoded into the core-layer bitstream, resulting in an error signal, bit-plane coding the error signal based on perceptual information of the digital signal, resulting in an enhancement-layer bitstream, wherein the perceptual information of the digital signal is determined using a perceptual model, and multiplexing the core-layer bitstream and the enhancement-layer bitstream, thereby generating the scalable bitstream. A method for decoding a scalable bitstream into a digital signal comprising de-multiplexing the scalable bitstream into a core-layer bitstream and an enhancement-layer bitstream, decoding and de-quantizing the core-layer bitstream to generate a core-layer signal, bit-plane decoding the enhancement-layer bitstream based on perceptual information of the digital signal, and performing an error mapping based on the bit-plane decoded enhancement-layer bitstream and the de-quantized core-layer signal, resulting in an reconstructed transformed signal, wherein the reconstructed transformed signal is the digital signal.

摘要翻译： 一种用于将数字信号编码成可分级比特流的方法，包括量化数字信号，以及对量化信号进行编码以形成核心层比特流，基于数字信号和核心层比特流执行误差映射，以去除具有 被编码到核心层比特流中，导致误差信号，基于数字信号的感知信息对误差信号进行位平面编码，产生增强层比特流，其中数字信号的感知信息使用 感知模型，以及多路复用核心层比特流和增强层比特流，由此生成可分级比特流。 一种用于将可分级比特流解码为数字信号的方法，包括将可分级比特流解复用为核心层比特流和增强层比特流，解码和解量化核心层比特流以产生核心层信号 基于数字信号的感知信息对增强层比特流进行平面解码，并且基于比特平面解码的增强层比特流和去量化的核心层信号执行错误映射，导致重构的变换信号， 其中重建的变换信号是数字信号。

公开(公告)号：US07656319B2

公开(公告)日：2010-02-02

申请号：US11632486

申请日：2004-07-14

申请人： Rongshan Yu ,  Xiao Lin ,  Susanto Rahardja

发明人： Rongshan Yu ,  Xiao Lin ,  Susanto Rahardja

IPC分类号： H03M5/00

CPC分类号： G10L19/0212 ,  G10L19/0017 ,  H04N19/13 ,  H04N19/136 ,  H04N19/176 ,  H04N19/184 ,  H04N19/34 ,  H04N19/647

摘要： A system for the context-based for the context-based encoding of an input signal includes a domain transform module and a context-based coding module. The domain transform module is operable to convert the input signal into a sequence of transform coefficients c[i]. The context-based coding module includes a bit-plane scanning module, and context modeling module, and a statistical encoding module. The bit-plane scanning module is operable to produce a bit-plane symbol bps [i,bp] for each transform coefficient c[i] and each bit-plane [bp]. The context modeling module is operable to assign one or more context values to each of the received bit plane symbols bps [i,bp]. The statistical coding module is operable to code each of the bit plane symbols bps [i,bp] as a function of one or more of the corresponding context values to produce a context-based encoded symbol stream.

摘要翻译： 用于输入信号的基于上下文的编码的基于上下文的系统包括域变换模块和基于上下文的编码模块。 域变换模块可操作以将输入信号转换成变换系数c [i]的序列。 基于上下文的编码模块包括位平面扫描模块和上下文建模模块以及统计编码模块。 位平面扫描模块可用于为每个变换系数c [i]和每个位平面[bp]产生位平面符号bps [i，bp]。 上下文建模模块可操作以将一个或多个上下文值分配给每个接收到的位平面符号bps [i，bp]。 统计编码模块可操作以根据一个或多个对应的上下文值对每个比特平面符号bps [i，bp]进行编码，以产生基于上下文的编码符号流。

公开(公告)号：US20110001642A1

公开(公告)日：2011-01-06

申请号：US11628951

申请日：2004-06-07

申请人： Rongshan Yu ,  Xiao Lin ,  Susanto Rahardja

发明人： Rongshan Yu ,  Xiao Lin ,  Susanto Rahardja

IPC分类号： H03M7/40

CPC分类号： H04N19/34 ,  H04N19/12 ,  H04N19/132 ,  H04N19/154 ,  H04N19/164 ,  H04N19/18 ,  H04N19/187 ,  H04N19/37 ,  H04N19/61 ,  H04N19/70

摘要： Systems and methods for scalably encoding and decoding coded data are presented. One exemplary method for scalably coding data includes classifying, based upon at least one predetermined criteria, each of the plurality of data received as either (i) perceptually relevant data or (ii) perceptually irrelevant data. The perceptually relevant data is scalably coded, and the perceptually irrelevant data is non-scalably coded. Subsequently, the scalably coded perceptually relevant data and the non-scalably coded perceptually irrelevant are combined into a coded data stream for transmission.

摘要翻译： 提出了可编码和解码编码数据的系统和方法。 用于可缩放地编码数据的一种示例性方法包括基于至少一个预定标准，将接收的多个数据中的每一个分类为（i）感知相关数据或（ii）感知上不相关的数据。 感知上相关的数据是可扩展编码的，并且感知上不相关的数据是不可分段编码的。 随后，可感知地编码的感知相关数据和不可压缩编码的感知上无关的数据被组合成用于传输的编码数据流。