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    • 5. 发明授权
    • System method and apparatus for seamlessly splicing data
    • 用于无缝拼接数据的系统方法和装置
    • US06567471B1
    • 2003-05-20
    • US09275999
    • 1999-03-25
    • Hiromi Yoshinari
    • Hiromi Yoshinari
    • H04N1102
    • H04N21/23424G11B27/034G11B27/036G11B2220/2562H04N7/52H04N19/114H04N19/124H04N19/142H04N19/146H04N19/149H04N19/15H04N19/159H04N19/172H04N19/177H04N19/40H04N19/50H04N19/513H04N19/52H04N19/577H04N19/61H04N21/23406H04N21/2343H04N21/44004H04N21/44016H04N21/440254
    • A plurality of bit streams are seamlessly spliced. Separate decoders decode each bit stream. A controller selects the decoded pictures according to a re-encoding range in the vicinity of a splicing point of the bit streams. Pictures presenting a reordering of the streams are excluded in the selection of the decoded pictures. An encoder re-encodes the pictures within the re-encoding range. When it is determined that crossover motion compensation exists between pictures of different streams, the controller changes the motion prediction direction of the problematic picture. The controller changes a motion prediction picture type of a picture which is improperly motion predicted with reference to another stream. A quantization characteristic or motion vectors for the new picture type are generated by the controller. The controller effects the encoding in accordance with a target amount of bits to prevent a breakdown of a buffer and a discontinuation of an amount of data occupancy thereof. A multiplexer multiplexes the original streams with the re-encoded stream to produce a seamless bit stream.
    • 多个比特流被无缝拼接。 单独的解码器解码每个位流。 控制器根据比特流的拼接点附近的重新编码范围来选择解码图像。 在解码图像的选择中排除呈现流的重新排序的图像。 编码器对重新编码范围内的图像进行重新编码。 当确定在不同流的图像之间存在交叉运动补偿时,控制器改变有问题的图像的运动预测方向。 控制器改变参考另一个流不正确地运动预测的图像的运动预测图像类型。 用于新图像类型的量化特征或运动矢量由控制器产生。 控制器根据目标位数来实现编码,以防止缓冲器的破坏和其数据占用量的中断。 复用器将原始流与重新编码的流复用以产生无缝位流。
    • 9. 发明授权
    • System method and apparatus for seamlessly splicing data
    • 用于无缝拼接数据的系统方法和装置
    • US07711051B2
    • 2010-05-04
    • US11586245
    • 2006-10-25
    • Hiromi Yoshinari
    • Hiromi Yoshinari
    • H04B1/66H04N7/12
    • H04N21/23424G11B27/034G11B27/036G11B2220/2562H04N7/52H04N19/114H04N19/124H04N19/142H04N19/146H04N19/149H04N19/15H04N19/159H04N19/172H04N19/177H04N19/40H04N19/50H04N19/513H04N19/52H04N19/577H04N19/61H04N21/23406H04N21/2343H04N21/44004H04N21/44016H04N21/440254
    • A plurality of bit streams are seamlessly spliced. Separate decoders decode each bit stream. A controller selects the decoded pictures according to a re-encoding range in the vicinity of a splicing point of the bit streams. Pictures presenting a reordering of the streams are excluded in the selection of the decoded pictures. An encoder re-encodes the pictures within the re-encoding range. When it is determined that crossover motion compensation exists between pictures of different streams, the controller changes the motion prediction direction of the problematic picture. The controller changes a motion prediction picture type of a picture which is improperly motion predicted with reference to another stream. A quantization characteristic or motion vectors for the new picture type are generated by the controller. The controller effects the encoding in accordance with a target amount of bits to prevent a breakdown of a buffer and a discontinuation of an amount of data occupancy thereof. A multiplexer multiplexes the original streams with the re-encoded stream to produce a seamless bit stream.
    • 多个比特流被无缝拼接。 单独的解码器解码每个位流。 控制器根据比特流的拼接点附近的重新编码范围来选择解码图像。 在解码图像的选择中排除呈现流的重新排序的图像。 编码器对重新编码范围内的图像进行重新编码。 当确定在不同流的图像之间存在交叉运动补偿时,控制器改变有问题的图像的运动预测方向。 控制器改变参考另一个流不正确地运动预测的图像的运动预测图像类型。 用于新图像类型的量化特征或运动矢量由控制器产生。 控制器根据目标位数来实现编码,以防止缓冲器的破坏和其数据占用量的中断。 复用器将原始流与重新编码的流复用以产生无缝位流。