This paper presents a methodology for enhancing palimpsest readability using image processing. Applying CLAHE, noise reduction, and adaptive thresholding enables the extraction of hidden text layers. The results show effective separation of scriptio inferior and superior, supporting further analysis through digital reconstruction and OCR.

This paper presents the initial stages for preparation of a digital catalog (library), including analytical information gathered by using portable Raman spectroscopy instrument for the study of medieval parchment manuscripts from the repository of the Bulgarian National Library” Saints Cyril and Methodius”.