Principal point

{
  "id": "MLC-T-MET-008153",
  "term": "Principal point",
  "field": "Meteorology and atmospheric science",
  "definition": "The geometric center of a photograph or image, specifically the point where the perpendicular from the camera lens intersects the image plane. In photogrammetry and remote sensing, this point is a fundamental reference for geometric corrections and spatial referencing of aerial or satellite imagery. It is often determined during camera calibration.",
  "url": "https://mlchart.com/terminology/meteorology/principal-point/"
}