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Note on the Construction of Shearlets
Author(s): 
Pages: 1592-1595,1600
Year: Issue:  10
Journal: Journal of Beijing University of Technology

Keyword:  切波 Fourier变换 Parseval框架;
Abstract: 切波构造通常依赖于2个函数ψ1(ω)和ψ2(ω),而它们均与满足一定条件的某个无穷次可微函数θ(x)的构造有关.2008年,Easley等给出了切波的一个例子.其中ψ1(ω)的构造比较简洁,而ψ2(ω)的构造过程比较繁琐.使用一种类似于ψ1(ω)的方法构造ψ2(ω)简化了Easley等的工作;同时定义了一类具有具体解析表达式的θ(x),最后用例子做了说明。
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