image-scale-reference

This field is part of the schema "image FAIR Digital Object": An iFDO file is a human- and machine-readable file format collecting metadata of an entire image set, without including the actual image data, only references to it through persistent identifiers.

schemahttps://marine-imaging.com/fair/schemas/ifdo-v2.0.0.json

description3D camera: the imaging system provides scale directly, calibrated camera: image data and additional external data like object distance provide scale together, laser marker: scale information is embedded in the visual data, optical flow: scale is computed from the relative movement of the images and the camera navigation data

typestring

enum['3D camera', 'calibrated camera', 'laser marker', 'optical flow']