Fragments under the Lens: A Case Study of Multispectral versus Hyperspectral Imaging for Manuscript Recovery

Fig 4.

Multispectral images of the Ricardus Dialogue: (a) has undergone PCA and presents a single resulting band, while (b) is a false color image made from three separate PCA bands to enhance the contrast between the text and the parchment; (c) shows a magnified portion of the text for comparison with figure 5c.