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    • 5. 发明申请
    • APPARATUS AND METHOD FOR ENCODING AND DECODING MOVING IMAGES
    • 编码和解码移动图像的装置和方法
    • US20110075732A1
    • 2011-03-31
    • US12889459
    • 2010-09-24
    • Naofumi WADATakeshi ChujohAkiyuki TanizawaGoki YasudaTakashi Watanabe
    • Naofumi WADATakeshi ChujohAkiyuki TanizawaGoki YasudaTakashi Watanabe
    • H04N7/50
    • H04N19/82H04N19/117H04N19/14H04N19/61
    • According to an embodiment, a moving image encoding method includes generating a predicted image of an original image based on a reference image, performing transform and quantization on a prediction error between the original image and the predicted image to obtain a quantized transform coefficient, performing inverse quantization and inverse transform on the quantized transform coefficient to obtain a decoded prediction error, adding the predicted image and the decoded prediction error to generate a local decoded image, setting filter data containing time-space filter coefficients for reconstructing the original image based on the local decoded image and the reference image, performing a time-space filtering process on the local decoded image in accordance with the filter data to generate a reconstructed image, storing the reconstructed image as the reference image, and encoding the filter data and the quantized transform coefficient.
    • 根据实施例,运动图像编码方法包括基于参考图像生成原始图像的预测图像,对原始图像和预测图像之间的预测误差进行变换和量化以获得量化变换系数,执行逆 对量化变换系数进行量化和逆变换以获得解码预测误差,将预测图像和解码预测误差相加以生成局部解码图像,设置包含用于基于局部的重建原始图像的时空滤波器系数的滤波数据 解码图像和参考图像,根据滤波数据对本地解码图像执行时空滤波处理,以生成重构图像,存储重构图像作为参考图像,并对滤波数据和量化变换系数进行编码 。
    • 7. 发明申请
    • METHOD AND APPARATUS FOR VIDEO ENCODING AND DECODING
    • 视频编码和解码的方法和装置
    • US20100118945A1
    • 2010-05-13
    • US12532057
    • 2008-03-18
    • Naofumi WadaTakeshi ChujohTadaaki MasudaReiko NodaAkiyuki TanizawaGoki YasudaTaichiro Shiodera
    • Naofumi WadaTakeshi ChujohTadaaki MasudaReiko NodaAkiyuki TanizawaGoki YasudaTaichiro Shiodera
    • H04N7/32
    • H04N19/19H04N19/11H04N19/119H04N19/174H04N19/176H04N19/593H04N19/70
    • An video encoding apparatus includes a dividing unit 101 to divide an input image signal into to-be-encoded pixel blocks, a reblocking unit 102 to reblock each of the to-be-encoded pixel blocks to generate a first pixel block and a second pixel block, a first prediction unit 108A to perform prediction for the first pixel block using a first local decoded image corresponding to an encoded pixel to generate a first predicted image, a generation unit to generate a second local decoded image corresponding to the first pixel block using a first prediction error representing the difference between the first pixel block and the first predicted image, a second prediction unit 108B to perform prediction for the second pixel block using the first local decoded image and the second local decoded image to generate a second predicted image, an encoding unit 103-105 to transform and encode the first prediction error and a second prediction error representing the difference between the second pixel block and the second predicted image to generate first encoded data and second encoded data, and a multiplexing unit 111 to multiplex the first encoded data and the second encoded data to generate an encoded bitstream.
    • 视频编码装置包括:分割单元101,用于将输入图像信号分割成待编码的像素块;重新锁定单元102,重新锁定待编码的像素块中的每一个以产生第一像素块和第二像素 块,第一预测单元108A,使用与编码像素相对应的第一局部解码图像来执行第一像素块的预测,以生成第一预测图像;生成单元,用于生成与第一像素块对应的第二局部解码图像,所述第二局部解码图像使用 表示第一像素块和第一预测图像之间的差的第一预测误差,使用第一局部解码图像和第二局部解码图像对第二像素块进行预测以生成第二预测图像的第二预测单元108B, 编码单元103-105,用于对第一预测误差进行变换和编码,以及表示第二像素b之间的差的第二预测误差 锁定和第二预测图像以产生第一编码数据和第二编码数据,以及多路复用单元111,用于复用第一编码数据和第二编码数据以生成编码比特流。