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英语翻译摘 要:在进行变换和量化前进行全零块检测,能大大节省消耗在DCT变换这一费时环节的时间,同时不会影响编码质量,全

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/16 01:53:33
英语翻译
摘 要:在进行变换和量化前进行全零块检测,能大大节省消耗在DCT变换这一费时环节的时间,同时不会影响编码质量,全零块检测技术在实现实时编码场合中有着广泛的应用.本文在理论上对H.264/AVC的全零块检测原理进行了深入分析,给出了三种全零块算法,分别是su的算法、zhang算法和基于基底矩阵的算法通过测试各个算法的预检率进行比较分析,以实现H.264/AVC全零块检测,可为研究者在实际应用中实现或选择全零块算法提供依据.
关键词:全零块;检测模型;原理与性能分析;H.264/AVC
Abstract:theall-zero block detectionintransform and quantization,can greatly reduce theconsumption in theDCT transform which is atime-consumingprocesstime,and does not affect thequality of coding,all-zero block detectiontechnology in therealization of real-timecodingapplicationsin a wide range of applications.This paper analyzesall zero block detectionprinciple of H.264/ AVCin theory,gives three kinds ofall-zero blockalgorithm,are sualgorithm,Zhang algorithmand the basealgorithm based on matrixthrough thecomparative analysis oftesting eachalgorithmto achieve the H.264/AVCpreviewfor rate,all-zero block detection,for the study ofin thepracticalor selectall zero blockalgorithmprovides the basis.Keywords:all zero blockdetection;model;analysis ofprinciple and performance;H.264/AVC