Using free-form deformations in surface reconstruction
Volumes of a 3D physical space are used in a surface reconstruction process, where adjacent volumes share vertices so that no gaps or overlaps between the volumes exist. As a result, a continuous surface is obtained in the surface reconstruction process. The vertices are anchored to nodes in a pose graph, such that locations of the vertices are adjusted as the pose graph is updated. As a result, a deformation of the volumes is permitted. Based on the deformation of a volume, a region of a depth map of the physical space is deformed correspondingly. Each vertex can be anchored to a closest node of the pose graph, or to a point which is based on a combination of nodes. In one approach, the point is defined based on the closest node and other nodes within a defined radius of the closest node.
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Michael Jason Justin Avram
Gourlay Clark