= Structure from motion
{wiki=Structure_from_motion}
Structure from Motion (SfM) is a photogrammetric technique used to recover three-dimensional (3D) structures from a series of two-dimensional images taken from different viewpoints. It is widely utilized in computer vision, computer graphics, and geographic information systems. The basic idea behind SfM is to analyze a set of images, identify key features in those images, and use the relative positions of these features across the images to reconstruct the 3D geometry of the scene.
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