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    • 1. 发明申请
    • HIGH SPEED CONTEXT MEMORY IMPLEMENTATION FOR H.264
    • H.264的高速上下文存储器实现
    • US20080240234A1
    • 2008-10-02
    • US11694311
    • 2007-03-30
    • Chun Kit HungKin Wing An
    • Chun Kit HungKin Wing An
    • H04N7/12
    • H04N19/436H04N19/423H04N19/61H04N19/91
    • Disclosed is a context modeller (103) used in decoding data (202) encoded using Context Adaptive Binary Arithmetic Coding, said context modeler (103) comprising a Read Only Memory (1001) for storing uninitialized context model values, said uninitialized context model values being stored in the Read Only Memory (1001) in a manner that enables a plurality of uninitialized context model values to be read from the Read Only Memory (1001) in a single clock cycle, an Arithmetic Logic Module (1003) comprising a plurality of parallel processing paths (2202-2207), each said processing path comprising a plurality of pipeline stages, a Random Access Memory (1005) and a memory controller (1008) for determining, using the Arithmetic Logic Module (1005) operating on said plurality of uninitialized context model values read from the Read Only Memory (1001) in each clock cycle, initialized context model values for storage in the Random Access Memory (1001) based upon header information in said incoming encoded data (202).
    • 公开了一种用于解码使用上下文自适应二进制算术编码编码的数据(202)的上下文建模器(103),所述上下文建模器(103)包括用于存储未初始化的上下文模型值的只读存储器(1001),所述未初始化的上下文模型值为 存储在只读存储器(1001)中的方式,使得能够在单个时钟周期中从只读存储器(1001)读取多个未初始化的上下文模型值;算术逻辑模块(1003),包括多个并行 处理路径(2202-2207),每个所述处理路径包括多个流水线级,随机存取存储器(1005)和存储器控制器(1008),用于使用对所述多个未初始化的操作的算术逻辑模块(1005) 在每个时钟周期中从只读存储器(1001)读取的上下文模型值,基于标题的用于存储在随机存取存储器(1001)中的初始化上下文模型值 所述输入编码数据(202)中的信息。
    • 3. 发明授权
    • High speed context memory implementation for H.264
    • H.264高速上下文存储器实现
    • US07443318B2
    • 2008-10-28
    • US11694311
    • 2007-03-30
    • Chun Kit HungKin Wing An
    • Chun Kit HungKin Wing An
    • H03M7/34H03M7/38
    • H04N19/436H04N19/423H04N19/61H04N19/91
    • Disclosed is a context modeller (103) used in decoding data (202) encoded using Context Adaptive Binary Arithmetic Coding, said context modeler (103) comprising a Read Only Memory (1001) for storing uninitialized context model values, said uninitialized context model values being stored in the Read Only Memory (1001) in a manner that enables a plurality of uninitialized context model values to be read from the Read Only Memory (1001) in a single clock cycle, an Arithmetic Logic Module (1003) comprising a plurality of parallel processing paths (2202-2207), each said processing path comprising a plurality of pipeline stages, a Random Access Memory (1005) and a memory controller (1008) for determining, using the Arithmetic Logic Module (1005) operating on said plurality of uninitialized context model values read from the Read Only Memory (1001) in each clock cycle, initialized context model values for storage in the Random Access Memory (1001) based upon header information in said incoming encoded data (202).
    • 公开了一种用于解码使用上下文自适应二进制算术编码编码的数据(202)的上下文建模器(103),所述上下文建模器(103)包括用于存储未初始化的上下文模型值的只读存储器(1001),所述未初始化的上下文模型值为 存储在只读存储器(1001)中的方式,使得能够在单个时钟周期中从只读存储器(1001)读取多个未初始化的上下文模型值;算术逻辑模块(1003),包括多个并行 处理路径(2202-2207),每个所述处理路径包括多个流水线级,随机存取存储器(1005)和存储器控制器(1008),用于使用对所述多个未初始化的操作的算术逻辑模块(1005) 在每个时钟周期中从只读存储器(1001)读取的上下文模型值,基于标题的用于存储在随机存取存储器(1001)中的初始化上下文模型值 所述输入编码数据(202)中的信息。