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    • 1. 发明申请
    • Method of decoding syntax element in context-based adaptive binary arithmetic coding decoder and decoding device therefor
    • 在基于上下文的自适应二进制算术编码解码器及其解码装置中解码语法元素的方法
    • US20070097850A1
    • 2007-05-03
    • US11589819
    • 2006-10-31
    • In-cheol ParkYong-seok Yi
    • In-cheol ParkYong-seok Yi
    • H04J15/00
    • H04N19/436H04N19/44H04N19/61H04N19/91
    • A method and device for decoding a syntax element are provided. The method includes reading candidate context models which correspond to a syntax element to be decoded; determining a context index increment for the syntax element; selecting a candidate context model of the candidate context models according to the context index increment; and performing binary arithmetic decoding for the syntax element based on the selected candidate context model. The device includes a context model reservoir which reads and stores candidate context models corresponding to a syntax element to be decoded; an increment determining unit which determines a context index increment for the syntax element; a context model selection unit which selects a candidate context model of the candidate context models by using the context index increment; and a decoding unit which performs a binary arithmetic decoding operation for the syntax element based on the selected candidate context model.
    • 提供了一种用于解码语法元素的方法和装置。 该方法包括读取与要解码的语法元素相对应的候选上下文模型; 确定语法元素的上下文索引增量; 根据上下文索引增量选择候选上下文模型的候选上下文模型; 以及基于所选择的候选上下文模型对所述语法元素执行二进制算术解码。 所述设备包括上下文模型存储器,其读取并存储与要解码的语法元素相对应的候选上下文模型; 增量确定单元,其确定所述语法元素的上下文索引增量; 上下文模型选择单元,其通过使用所述上下文索引增量来选择所述候选上下文模型的候选上下文模型; 以及解码单元,其基于所选择的候选上下文模型对语法元素执行二进制算术解码操作。
    • 2. 发明申请
    • Method of decoding bin values using pipeline architecture and decoding device therefor
    • 使用流水线架构解码bin值的方法及其解码装置
    • US20070115154A1
    • 2007-05-24
    • US11601653
    • 2006-11-20
    • In-cheol ParkYong-seok Yi
    • In-cheol ParkYong-seok Yi
    • H03M7/34
    • H03M7/4006H04N19/13H04N19/436H04N19/44H04N19/61
    • A method and device for decoding bin values using a pipeline architecture in a CABAC decoder are provided. The method includes reading a first context model required to decode a first bin value, from a memory; determining whether a second context model required to decode a second bin value is the same as the first context model, while decoding the first bin value using the first context model; determining whether a third context model required to decode a third bin value is the same as the second context model, while decoding the second bin value using the second context model, if it is determined that the second context model is the same as the first context model; and reading the second context model from the memory, if it is determined that the second context model is not the same as the first context model.
    • 提供了一种使用CABAC解码器中的流水线架构对bin值进行解码的方法和装置。 该方法包括:从存储器读取解码第一仓值所需的第一上下文模型; 确定解码第二bin值所需的第二上下文模型是否与第一上下文模型相同,同时使用第一上下文模型解码第一bin值; 如果确定第二上下文模型与第一上下文相同,则确定解码第三二进制值所需的第三上下文模型是否与第二上下文模型相同,同时使用第二上下文模型对第二二进制值解码; 模型; 以及如果确定所述第二上下文模型与所述第一上下文模型不相同,则从所述存储器读取所述第二上下文模型。
    • 3. 发明授权
    • Method of decoding bin values using pipeline architecture and decoding device therefor
    • 使用流水线架构解码bin值的方法及其解码装置
    • US07411529B2
    • 2008-08-12
    • US11601653
    • 2006-11-20
    • In-cheol ParkYong-seok Yi
    • In-cheol ParkYong-seok Yi
    • H03M7/00
    • H03M7/4006H04N19/13H04N19/436H04N19/44H04N19/61
    • A method and device for decoding bin values using a pipeline architecture in a CABAC decoder are provided. The method includes reading a first context model required to decode a first bin value, from a memory; determining whether a second context model required to decode a second bin value is the same as the first context model, while decoding the first bin value using the first context model; determining whether a third context model required to decode a third bin value is the same as the second context model, while decoding the second bin value using the second context model, if it is determined that the second context model is the same as the first context model; and reading the second context model from the memory, if it is determined that the second context model is not the same as the first context model.
    • 提供了一种使用CABAC解码器中的流水线架构对bin值进行解码的方法和装置。 该方法包括:从存储器读取解码第一仓值所需的第一上下文模型; 确定解码第二bin值所需的第二上下文模型是否与第一上下文模型相同,同时使用第一上下文模型解码第一bin值; 如果确定第二上下文模型与第一上下文相同,则确定解码第三二进制值所需的第三上下文模型是否与第二上下文模型相同,同时使用第二上下文模型对第二二进制值解码; 模型; 以及如果确定所述第二上下文模型与所述第一上下文模型不相同,则从所述存储器读取所述第二上下文模型。
    • 4. 发明申请
    • Method and device for decoding syntax element in CABAC decoder
    • 用于解码CABAC解码器中语法元素的方法和装置
    • US20070103347A1
    • 2007-05-10
    • US11594113
    • 2006-11-08
    • In-cheol ParkYong-seok Yi
    • In-cheol ParkYong-seok Yi
    • H03M7/00
    • H03M7/4006H04N19/436H04N19/61H04N19/91
    • A method and a device for decoding a syntax element in a context-based adaptive binary arithmetic coding (CABAC) decoder perform a binary arithmetic coding (BAD) process and a binarization matching (BM) process in parallel. The method includes determining an expected bin value to make a bin string including the bin value valid while generating a one-bit bin value by performing a BAD process for a syntax element to be decoded; determining whether the generated bin value is the same as the expected bin value; generating the decoded value of the syntax element by de-binarization of a bin string including the generated bin value if the bin value generated in the BAD process is the same as the expected bin value; and performing the BAD process to generate the next bin value if the bin value generated in the BAD process is different from the expected bin value.
    • 用于对基于上下文的自适应二进制算术编码(CABAC)解码器中的语法元素进行解码的方法和装置并行执行二进制算术编码(BAD)处理和二值化匹配(BM)处理。 该方法包括:通过对要解码的语法元素执行BAD处理来确定包含二进制位数值的bin字符串产生一位bin值的期望bin值; 确定所生成的bin值是否与预期的bin值相同; 如果在BAD过程中生成的bin值与预期的bin值相同,则通过对包含所生成的bin值的bin字符串进行二进制化,来生成语法元素的解码值; 并且如果在BAD过程中生成的bin值与预期的bin值不同,则执行BAD处理以生成下一个bin值。
    • 5. 发明授权
    • Method of decoding syntax element in context-based adaptive binary arithmetic coding decoder and decoding device therefor
    • 在基于上下文的自适应二进制算术编码解码器及其解码装置中解码语法元素的方法
    • US08094048B2
    • 2012-01-10
    • US11589819
    • 2006-10-31
    • In-cheol ParkYong-seok Yi
    • In-cheol ParkYong-seok Yi
    • H03M7/00
    • H04N19/436H04N19/44H04N19/61H04N19/91
    • A method and device for decoding a syntax element are provided. The method includes reading candidate context models which correspond to a syntax element to be decoded; determining a context index increment for the syntax element; selecting a candidate context model of the candidate context models according to the context index increment; and performing binary arithmetic decoding for the syntax element based on the selected candidate context model. The device includes a context model reservoir which reads and stores candidate context models corresponding to a syntax element to be decoded; an increment determining unit which determines a context index increment for the syntax element; a context model selection unit which selects a candidate context model of the candidate context models by using the context index increment; and a decoding unit which performs a binary arithmetic decoding operation for the syntax element based on the selected candidate context model.
    • 提供了一种用于解码语法元素的方法和装置。 该方法包括读取与要解码的语法元素相对应的候选上下文模型; 确定语法元素的上下文索引增量; 根据上下文索引增量选择候选上下文模型的候选上下文模型; 以及基于所选择的候选上下文模型对所述语法元素执行二进制算术解码。 所述设备包括上下文模型存储器,其读取并存储与要解码的语法元素相对应的候选上下文模型; 增量确定单元,其确定所述语法元素的上下文索引增量; 上下文模型选择单元,其通过使用所述上下文索引增量来选择所述候选上下文模型的候选上下文模型; 以及解码单元,其基于所选择的候选上下文模型对语法元素执行二进制算术解码操作。
    • 6. 发明授权
    • Method and device for decoding syntax element in CABAC decoder
    • 用于解码CABAC解码器中语法元素的方法和装置
    • US07365660B2
    • 2008-04-29
    • US11594113
    • 2006-11-08
    • In-cheol ParkYong-seok Yi
    • In-cheol ParkYong-seok Yi
    • H03M7/00
    • H03M7/4006H04N19/436H04N19/61H04N19/91
    • A method and a device for decoding a syntax element in a context-based adaptive binary arithmetic coding (CABAC) decoder perform a binary arithmetic coding (BAD) process and a binarization matching (BM) process in parallel. The method includes determining an expected bin value to make a bin string including the bin value valid while generating a one-bit bin value by performing a BAD process for a syntax element to be decoded; determining whether the generated bin value is the same as the expected bin value; generating the decoded value of the syntax element by de-binarization of a bin string including the generated bin value if the bin value generated in the BAD process is the same as the expected bin value; and performing the BAD process to generate the next bin value if the bin value generated in the BAD process is different from the expected bin value.
    • 用于对基于上下文的自适应二进制算术编码(CABAC)解码器中的语法元素进行解码的方法和装置并行执行二进制算术编码(BAD)处理和二值化匹配(BM)处理。 该方法包括:通过对要解码的语法元素执行BAD处理来确定包含二进制位数值的bin字符串产生一位bin值的期望bin值; 确定所生成的bin值是否与预期的bin值相同; 如果在BAD过程中生成的bin值与预期的bin值相同,则通过对包含所生成的bin值的bin字符串进行二进制化,来生成语法元素的解码值; 并且如果在BAD过程中生成的bin值与预期的bin值不同,则执行BAD处理以生成下一个bin值。