New scanner allows nearly 2m-wide scans of Library of Congress’s Panoramic Photo Collection [...]

> The Library first began reproducing the panoramas in the 1990s by taking photographs of overlapping segments and then “stitching” the sections together to show the whole image on laser videodiscs in the Prints and Photographs Division Reading Room. Later, these copy photographs were converted to digital files and re-stitched to make them accessible on the Library’s website. The process was labor-intensive and the panoramas fit nicely on a screen, but it was difficult to see small features. Now, with a recently acquired oversized flatbed scanner, the Library is capturing entire panoramas (up to 6-½ feet long) in a single pass exposure and at higher levels of resolution, so every little detail can be seen clearly.

source at loc.gov

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