Figure 11
From: Cement pavement void detection algorithm based on GPR signal and continuous wavelet transform method

3D visualization of disease area. (a) The 3D energy spectrum of model. (b)The CWT slice at void area.
From: Cement pavement void detection algorithm based on GPR signal and continuous wavelet transform method

3D visualization of disease area. (a) The 3D energy spectrum of model. (b)The CWT slice at void area.