Fig. 1. Object image of FTO and the projection image of light distance

Fig. 2. Examples of similar block selection in the first step of denoising method in this paper

Fig. 3. Examples of similar block selection in the second step of denoising method in this paper

Fig. 4. Gray scale comparison between similar block and reference block in the second step of denoising method in this paper

Fig. 5. Denoising results of FTO simulation image

Fig. 6. Comparison of horizontal cross-sections over the center

Fig. 7. Denoising results of experimental image

Fig. 8. Local details of denoising results