视频编解码器设计与实现关键问题研究

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1、上海交通大学博士学位论文英文缩略语B-PictureCodedPicturePredictedUsingBidirectional双向预测图像MotionCompensationCABACContext-basedAdaptiveBinaryArithmetic自适应二进制算术Coding编码CBRConstantBitRate恒定码率CIFCommonIntermediateFormat通用媒体格式CPBCodedPictureBuffer编码图像存储器DCTDiscreteCosineTransform离散余弦变换DPBDecodedPictureBuffer

2、解码图像存储器FIFOFirstInFirstOut先入先出GOPGroupofPictures图像组HDTVHighDefinitionTelevision高清晰度电视HVSHumanVisualSystem感知系统ISOInternationalStandardizationOrganization国际标准化组织ITUInternationalTelecommunicationsUnion国际电信联盟JPEGJointTechnicalCommittee联合图像专家组MADMeanAbsoluteDifference平均绝对误差MBMacro-block宏块M

3、EMotionEstimation运动预测MPEGMotionPictureExpertsGroup活动图像专家组MVMotionVector运动矢量P-PictureCodedPicturePredictedUsingOne单向预测图像DirectionalMotionCompensationPSNRPeakSignal-to-noiseratio峰值信噪比QPQuantizationParameter量化参数QSQuantizationStep量化步长QVGAQuarterVideoGraphicsArray1/4视频图像阵列V视频编解码器设计与实现关键问题研

4、究SDTVStandardDefinitionTelevision标准清晰度电视VBRVariableBitRate可变码率VLCVariableLengthCoding变长码编码YCbCrLuminance,BlueChrominance,Red亮度、蓝、红色度空ChrominanceColourSpace间VI上海交通大学博士学位论文图索引图1-1级连式MPEG-2高清下变换解码器器示意图..........................................................................4图2-1编解码缓冲器模型

5、......................................................................................................................9图2-2JVT-G012的缓冲器目标比特数...............................................................................................18图2-3编码MOBILE序列编码器目标比特示意图........................

6、......................................................26图2-4编码PARIS序列目标比特示意图.............................................................................................26图2-5编码SILENT序列目标比特数示意图.......................................................................................27图2-

7、6MOBILE序列下解码缓冲器的状态图.......................................................................................27图2-7PARIS序列下解码缓冲器的状态图............................................................................................28图2-8SILENT序列下解码缓冲器的状态图........................................

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