Browsing by Author "Crawford, Daniel J"

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    Gigapixel macro photography of tree rings
    (2021-04-16) Griffin, Daniel; Porter, Samantha T; Trumper, Matthew L; Carlson, Kate E; Crawford, Daniel J; Schwalen, Daniel; McFadden, Colin H; griffin9@umn.edu; Griffin, Daniel; University of Minnesota Griffin Research Lab; University of Minnesota Advanced Imaging Service for Objects and Spaces
    High quality specimen digitization is becoming standard across the sciences, is relevant for curation of natural history collections, and must become a priority for dendrochronology. Here, ultra-high resolution images of tree-ring specimens are presented. Our gigapixel images of polished specimens have proven effective for digital analyses, archiving, and education, and we believe macro photography may prove a lower cost and more broadly accessible digitization alternative to microtomy and X-rays. We advocate for gigapixel macro photography as one accessible and adaptable paradigm to elevate reflected light imaging standards in dendrochronology.