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基于JPEG2000的失真模型 被引量：1

Distortion model based on JPEG2000
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摘要 研究了JPEG2000的压缩码流特性,给出了图像失真模型。通过将JPEG2000压缩码流的误码率映射到位通道编码码流的误码率,并结合位通道编码码流受误码影响不同,将图像失真与位通道编码码流的误码率建立了数学表达式。实验结果表明:该算法得出的失真值与实际基本一致,仅仅相差一个常数,这对发送端估计解码端图像失真很有参考意义。 The characteristics of JPEG2000 compression stream are studied and an image distortion model is proposed.By transferring the error rate of JPEG2000 compression stream to the error rate of bit channel coding data,and analyzing the different impact of channel error on JPEG2000 compression stream,the relationship between the image distortion and the error rate of bit channel coding is established.Simulation results show that the distortion value calculated by our proposed algorithm matches well with the actual value,which could be a good reference for estimating image distortion on the receiver.
作者 黄新林 王钢 刘春刚
机构地区 哈尔滨工业大学通信技术研究所
出处 《吉林大学学报（工学版）》 EI CAS CSCD 北大核心 2010年第3期852-855,共4页 Journal of Jilin University:Engineering and Technology Edition
基金 装备预先研究项目(51306020201)
关键词 信息处理技术 JPEG2000 误码率 失真模型 information processing technology JPEG2000 error rate distortion model
分类号 TN919.8 [电子电信—通信与信息系统]
  • 相关文献

参考文献10

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二级参考文献18

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共引文献8

同被引文献12

  • 1Liu Yang, Xie Kai. Efficient image transmission through analog error correction [C]//13th IEEE Inter- national Workshop on Multimedia Signal Processing. Hangzhou, China, 2011: 1-6.
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  • 6Liu Yang, Li Jing, Xie Kai. Analysis of linear channel codes with continuous code space [C]//46th IEEE An- nual Conference on Information Sciences and Systems. Princeton, USA, 2012: article No. 6310727.
  • 7Li Jing, Xie Kai. Analog turbo codes: Turning chaos to reliability EC]//IEEE International Conference on Com- munications. Ottawa, Canada, 2012: 3769-3773.
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吉林大学学报（工学版）
2010年 第3期

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