image-camera-calibration-model

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

descriptionInformation required to specify the camera calibration model. Details given in properties.

typeobject

propertiescalibration-model-type (string): e.g.: rectilinear air, rectilinear water, fisheye air, fisheye water, other
calibration-focal-length-xy-pixel (array): 2D focal length in pixels
calibration-principal-point-xy-pixel (array): 2D principal point of the calibration in pixels (top left pixel center is 0,0, x right, y down)
calibration-distortion-coefficients (array): rectilinear: k1, k2, p1, p2, k3, k4, k5, k6, fisheye: k1, k2, k3, k4
calibration-approximate-field-of-view-water-xy-degree (array): Proxy for pixel to meter conversion, and as backup
calibration-model-extra-description (string): Explain model, or if lens parameters are in mm rather than in pixel