AI6121 Computer Vision · NTU

Structure from Motion

A twisted blue-and-white signpost on the NTU South Spine, reconstructed in 3D from 54 ordinary photographs. Orbit the point cloud, then click a camera to see the scene through its lens.

Point cloud

Point size Camera frustums Frustum size Ground grid Auto-rotate Photo overlay

Drag to orbit · scroll to zoom · right-drag to pan · click a camera

Registered photos

Reconstruction at a glance

The pipeline

From a folder of photos to calibrated camera poses, a dense point cloud and a textured surface mesh.

Figures

Diagnostics produced along the way. Click an image to enlarge.