发明授权
US06320978B1 Stereo reconstruction employing a layered approach and layer refinement techniques 失效
立体声重建采用分层方法和层次细化技术

Stereo reconstruction employing a layered approach and layer refinement techniques
摘要:
A system and method for extracting structure from stereo that represents the scene as a collection of planar layers. Each layer optimally has an explicit 3D plane equation, a colored image with per-pixel opacity, and a per-pixel depth value relative to the plane. Initial estimates of the layers are made and then refined using a re-synthesis step which takes into account both occlusions and mixed pixels. Reasoning about these effects allows the recovery of depth and color information with high accuracy, even in partially occluded regions. Moreover, the combination of a global model (the plane) with a local correction to it (the per-pixel relative depth value) imposes enough local consistency to allow the recovery of shape in both textured and untextured regions.
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