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Heritage Science
Fig. 9 | Heritage Science

Fig. 9

From: Simulation-aided infrared thermography with decomposition-based noise reduction for detecting defects in ancient polyptychs

Fig. 9

Cumulative histogram curves for: a defect 3 in the raw image of sample A, b sound area in the raw image of sample A, c defect 3 in the image of sample A after applying LRTDTV denoising and Fourier transform, d sound area in the raw image of sample A after applying LRTDTV denoising and Fourier transform, e defect 3 in the raw image of sample B, f sound area in the raw image of sample B, g defect 3 in the image of sample B after applying LRTDTV denoising and Fourier transform, h sound area in the raw image of sample B after applying LRTDTV denoising and Fourier transform

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