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Heritage Science
Fig. 4 | Heritage Science

Fig. 4

From: Comparative study: enhancing legibility of ancient Indian script images from diverse stone background structures using 34 different pre-processing methods

Fig. 4

Sample Original Image and Binarized image MSE and PSNR result of diverse type of stone background structure inscriptions (Test case: 1. Flawless-bright-legible-1; 2. Flawless-bright-legible-2; 3. Flawless moderately-legible; 4. Flawless bright-moderately-legible; 5. Highly impaired dark irregular illegible; 6. Impaired-dull-moderately-legible; 7. Flawless dull moderate; 8. Dark legible)

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