Key terms in professional surveying and geospatial technology.
A preliminary three-dimensional point cloud generated during photogrammetric processing that contains relatively few calculated points, used as an intermediate step before dense cloud generation.
A distinctive feature or marked location visible in overlapping aerial or terrestrial photographs used to establish geometric relationships and coordinate connections between multiple images in photogrammetric processing.
وحدة قياس دقة الأجهزة المساحية تمثل عدد الأجزاء من المليون، وتستخدم للتعبير عن الأخطاء النسبية في القياسات المسافات والإحداثيات.