Denoising of infrared images depicting underpaintings of historical images

• Diploma work: Roman Kaspar

• Denoising of infrared images (IR) depicting underpaintings of historical images

• Analysis of original intentions of the author

• Verification of the authenticity

• Application of thin-plate splines (TPS) for denoising (smoothing).

• Weighted approach

Method	Noisy IR data	Denoised data
time averaging
averaging
median
rotating windows