f ( t ) = 1 C ψ ∫ 0 ∞ ∫ − ∞ + ∞ W f ( s , u ) ψ s , u ( t ) d u d s s 2 {\displaystyle f(t)={\frac {1}{C_{\psi }}}\int _{0}^{\infty }\int _{-\infty }^{+\infty }Wf(s,u)\psi _{s,u}(t){\frac {du\ ds}{s^{2}}}}
Alberto Calderón
continuous wavelet transform
