Fig. 7From: Simulation-aided infrared thermography with decomposition-based noise reduction for detecting defects in ancient polyptychsIRT experimental results: a the raw image of sample A, b the image of sample A after Fourier transform, c the image of sample A after LRTDTV de-noise and Fourier transform, d the raw image of sample B, e the image of sample B after Fourier transform, and f the image sample B after LRTDTV de-noise and Fourier transformBack to article page