Clearly, several kinds of ambiguity can never be resolved if domain knowledge is not incorporated. If domain knowledge is allowed, specifically an a priori expectation of finding tubular objects, the task becomes more tractable. How far 3d shapes can be understood from 2d silhouettes . Given a multiplicity of solutions to the reconstruction problem, the only way to recover intrinsic scene information is through invariants properties that are satisfied by every consistent scene. For instance, consider the set of voxels that are present in every consistent scene.
Hard points are useful in that they provide absolute information about the true scene.
How far 3D shapes can be understood from 2D silhouettes . Pattern Analysis and Machine Intell. No context found. How far 3D shapes can be understood from 2D silhouettes .