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Outline

Intro
Background:
  • We are working to uncover illegible text from the "Jubilees Palimpsest" and find corrections and later additions on the Selden Map of China  
  Purpose/Technique:
  • We use hyper-spectral imaging (several narrow spectral hundred bands) and multi-spectral imagining (fewer than 50 bands)
  • The images are digitally processed and combined to create images with more characters that are legible than those in the regular RGB image
  • Processing tools include Principle Components Analysis (PCA), Spectral Angle Mapper (SAM), Spectral Profiles
 Selden Map
Background:
  • The Selden Map dates back to the early 17th Century during the Ming Dynasty
  • The map includes approximately 15 countries and shows a system of navigational routes
  • China, Borneo, Japan, Korea, and Taiwan are five countries with the most significant results
Focus/Results:
  • Green corrections in Borneo, Korea, Taiwan, and Rivers of North China
  • Missing texts and names of ports in Borneo and Taiwan
  • Different use of green pigments, most noticeable in Java, Korea, and Taiwan
  • Comparison of limited amount blue and red pigment 
Ambrosiana Library and Jubilees Palimpsest
  

 Background- Ambrosiana Library:
  • The library is located in Milan, Italy and was established in 1609
  • The library is named after "Ambrose", the patron saint of Milan
  • The library was founded by Cardinal Federico Borromeo 
  • In the 17th Century the palimpsest was brought to the Ambrosiana Library and it is still preserved there today
Background- Jubilees Palimpsest:
  •  The "Jubilees" Palimpsest is a 144-page codex and is named after the oldest of the three texts
  • The palimpsest consists of a Latin Translation of "Jubilees", which was originally written in Hebrew in the 150s BC
  • It also contains a portion of the Assumption of Moses on a single quire, and the Aryan Commentary 
  • The palimpsest in written on parchment, a material made of prepared animal skin
  • The parchment with the varying texts was then used to copy Eugippius's "Anthology of the works of Augustine" (ca. 450CE - ca. 535CE) 
Results:
  • Description of methods used
  • Pictures of text before and after techniques are applied to pull out under-text

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