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    • 4. 发明申请
    • IMAGE ENCODING DEVICE, IMAGE ENCODING METHOD, IMAGE ENCODING/DECODING SYSTEM
    • 图像编码设备,图像编码方法,图像编码/解码系统
    • US20100220936A1
    • 2010-09-02
    • US12733904
    • 2008-09-30
    • Masayuki YamaguchiAkihisa YamadaShinichi Maeta
    • Masayuki YamaguchiAkihisa YamadaShinichi Maeta
    • G06K9/36
    • H04N19/146H04N19/103H04N19/126H04N19/137H04N19/182H04N19/426H04N19/46H04N19/593
    • An image encoding device comprises: a predicted value generation means for predicting target pixel data which is the pixel data of an encoding target pixel to generate predicted value data; a subtractor for calculating the difference value between the target pixel data and the predicted value data to generate difference value data; an encoding mode decision means for determining an encoding mode based on the difference value data and temporarily holding it in a buffer; an encoding target decision means for determining which data of the target pixel or the difference value is used as encoding target data to be encoded based on the encoding mode; a quantization means for applying a quantization processing to the encoding target data based on the encoding mode to generate quantized data; and a fixed-length code generation means for adding the encoding mode to the quantized data to generate a fixed-length code.
    • 图像编码装置包括:预测值生成装置,用于预测作为编码对象像素的像素数据的目标像素数据,生成预测值数据; 减法器,用于计算目标像素数据和预测值数据之间的差值,以产生差值数据; 编码模式判定装置,用于基于差值数据确定编码模式,并将其临时保存在缓冲器中; 编码目标决定装置,用于基于编码模式确定目标像素的数据或差分值被用作编码目标数据; 量化装置,用于基于编码模式对编码目标数据应用量化处理以产生量化数据; 以及用于将编码模式添加到量化数据以生成固定长度代码的固定长度代码生成装置。
    • 6. 发明申请
    • Bus communication system
    • 总线通信系统
    • US20050165988A1
    • 2005-07-28
    • US11020124
    • 2004-12-27
    • Akihiro KajimuraAkihisa YamadaKazuhisa Okada
    • Akihiro KajimuraAkihisa YamadaKazuhisa Okada
    • G06F13/362G06F13/00G06F13/364H04L29/06
    • G06F13/364
    • A bus communication system for enabling data transfer in synchronized communication is provided, which comprises master circuits, a slave circuit, a bus, and a bus arbitration circuit. Data transfer is performed between the master circuits and the slave circuit via the bus. When a transfer request is output from the master circuits, the right to occupy the bus is given to the master circuit which continuously outputs the transfer request to the same address, not more than a predetermined number of times continuously. When receiving the transfer request from the master circuit, the slave circuit informs the master circuit of the end of bus transfer and whether or not data transfer is ready. When informed that data transfer is ready, the master circuit ends data transfer, and when informed that data transfer is not ready, the master circuit outputs a transfer request to the slave circuit again.
    • 提供了一种用于实现同步通信中的数据传输的总线通信系统,其包括主电路,从电路,总线和总线仲裁电路。 通过总线在主电路和从电路之间进行数据传输。 当从主电路输出传送请求时,占用总线的权利被给予主电路,该主电路连续地将传送请求输出到同一地址,不超过预定次数。 当从主电路接收传输请求时,从电路通知主电路总线传输结束以及数据传输是否准备就绪。 当通知数据传输准备就绪时,主电路结束数据传输,当通知数据传输未就绪时,主电路再次向从电路输出传输请求。
    • 8. 发明授权
    • Image encoding device, image encoding method, image encoding/decoding system
    • 图像编码装置,图像编码方法,图像编码/解码系统
    • US08340445B2
    • 2012-12-25
    • US12733904
    • 2008-09-30
    • Masayuki YamaguchiAkihisa YamadaShinichi Maeta
    • Masayuki YamaguchiAkihisa YamadaShinichi Maeta
    • G06K9/36G06K9/46H04B14/04H04B14/06
    • H04N19/146H04N19/103H04N19/126H04N19/137H04N19/182H04N19/426H04N19/46H04N19/593
    • An image encoding device comprises: a predicted value generation means for predicting target pixel data which is the pixel data of an encoding target pixel to generate predicted value data; a subtractor for calculating the difference value between the target pixel data and the predicted value data to generate difference value data; an encoding mode decision means for determining an encoding mode based on the difference value data and temporarily holding it in a buffer; an encoding target decision means for determining which data of the target pixel or the difference value is used as encoding target data to be encoded based on the encoding mode; a quantization means for applying a quantization processing to the encoding target data based on the encoding mode to generate quantized data; and a fixed-length code generation means for adding the encoding mode to the quantized data to generate a fixed-length code.
    • 图像编码装置包括:预测值生成装置,用于预测作为编码对象像素的像素数据的目标像素数据,生成预测值数据; 减法器,用于计算目标像素数据和预测值数据之间的差值,以产生差值数据; 编码模式判定装置,用于基于差值数据确定编码模式,并将其临时保存在缓冲器中; 编码目标决定装置,用于基于编码模式确定目标像素的数据或差分值被用作编码目标数据; 量化装置,用于基于编码模式对编码目标数据应用量化处理以产生量化数据; 以及用于将编码模式添加到量化数据以生成固定长度代码的固定长度代码生成装置。