: The prefix "grV" is not a standard default for major camera brands like Canon (which typically uses IMG_ or custom 4-character codes) or Nikon (which uses DSC_ ).
: Check the image's EXIF data for "Copyright" or "Author" fields, which may contain the name of the researcher or institution. grV_0071.JPG
: Filenames like "grV" are commonly used in scientific datasets to denote a specific experimental group (e.g., "Group V") or a specific research site. How to Find the Associated Paper : The prefix "grV" is not a standard
In digital photography and research databases, filenames often follow these standard conventions: grV_0071.JPG
Default image file names from various brands : r/photography