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    • 1. 发明授权
    • Image processing circuit and display unit having the image processing
circuit
    • 具有图像处理电路的图像处理电路和显示单元
    • US5821948A
    • 1998-10-13
    • US289589
    • 1994-08-15
    • Yasuhisa KawamotoTakeshi MurakamiSuzuki Ryuichi
    • Yasuhisa KawamotoTakeshi MurakamiSuzuki Ryuichi
    • G06F3/153G09G5/00G09G5/395
    • G09G5/395
    • An image processing circuit includes input terminals receiving image data as a first number of bits, a memory selectively storing the image data received at the input terminals and outputting the image data stored therein as a second number of bits, which is an integer multiple of the first number of bits, in response to a write signal which is synchronized to a memory clock signal, and a shift register selectively and in succession storing the image data output from the memory and outputting the image data stored therein as a third number of bits in response to a video clock signal which has a second frequency which is different from the first frequency of the memory clock signal and wherein the second number of bits is greater than the third number of bits.
    • 图像处理电路包括:接收图像数据作为第一位数的输入端;存储器,选择性地存储在输入端接收到的图像数据,并输出存储在其中的图像数据,作为第二位数, 第一位数,响应于与存储器时钟信号同步的写入信号,以及移位寄存器,选择性地并且相继地存储从存储器输出的图像数据,并将存储在其中的图像数据作为第三位数输出 响应于具有与存储器时钟信号的第一频率不同的第二频率的视频时钟信号,并且其中第二位数大于第三位数。
    • 5. 发明授权
    • Moving image encoding apparatus, moving image encoding method, and program
    • 运动图像编码装置,运动图像编码方法和程序
    • US08218646B2
    • 2012-07-10
    • US12192275
    • 2008-08-15
    • Takeshi MurakamiRyuichi Kanda
    • Takeshi MurakamiRyuichi Kanda
    • H04N11/02
    • H04N19/124H04N19/149H04N19/15H04N19/159H04N19/172H04N19/194H04N19/61
    • A moving image encoding apparatus includes a first-step encoding section for executing a plurality of times first-step encoding by use of different quantization control variables; a code-amount estimation section for estimating, for all the quantization control variables, an amount of codes generated for each frame by making use of a plurality of results of the encoding; a code-amount allocation section for allocating an amount of codes for each frame on the basis of results of the estimation; and a second-step encoding section for executing second-step encoding on the basis of the amount of codes allocated to each frame. The first-step encoding section changes the number of times of execution of the encoding in accordance with the attribute of each frame, and omits a portion of processes contained in the coding process in the second and subsequent executions of the encoding process.
    • 运动图像编码装置包括:第一步编码部分,用于通过使用不同的量化控制变量执行多次第一步编码; 码量估计部分,用于通过利用所述编码的多个结果,针对所有的量化控制变量来估计针对每一帧产生的代码量; 码量分配部分,用于根据估计结果分配每帧的码量; 以及第二步编码部分,用于基于分配给每个帧的代码量来执行第二步编码。 第一步编码单元根据每帧的属性改变编码的执行次数,并且在编码处理的第二次和随后的执行中省略包含在编码处理中的处理的一部分。