复小波变换
数学
离散小波变换
小波
模式识别(心理学)
小波变换
人工智能
第二代小波变换
平稳小波变换
谐波小波变换
对偶(语法数字)
树(集合论)
算法
计算机科学
数学分析
艺术
文学类
作者
Adriaan Barri,Ann Dooms,Peter Schelkens
标识
DOI:10.1016/j.jmaa.2012.01.010
摘要
The dual-tree complex wavelet transform (DTCWT) is an enhancement of the conventional discrete wavelet transform (DWT) due to a higher degree of shift-invariance and a greater directional selectivity, finding its applications in signal and image processing. This paper presents a quantitative proof of the superiority of the DTCWT over the DWT in case of modulated wavelets.
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