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一种新97小波改进的JPEG2000算法

DOI: 10.11834/jig.20080502

Keywords: 97小波,提升结构,JPEG2000,网络机器人,图像压缩

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Abstract:

针对有限网络带宽下视频监控的实时性要求,提出了一种改进的JPEG2000图像压缩传输算法。该改进算法以构造双正交小波的CohenDaubechiesFeauveau定理和消失矩条件为基础,首先依据提升结构构造了一组对称的双正交97小波;然后用新构造的97小波取代JPEG2000标准中的CDF97小波,该新97小波算法不仅比CDF97小波的计算处理速度更快,而且在保持几乎相同的压缩性能的同时,能够大大简化图像压缩中的运算量;最后,通过将改进的算法应用于网络机器人视频监控系统的实验表明,该算法是可行的。

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