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THREE-DIMENSIONAL RECONSTRUCTION METHOD AND DEVICE UNITING RIGID MOTION AND NON-RIGID DEFORMATION
THREE-DIMENSIONAL RECONSTRUCTION METHOD AND DEVICE UNITING RIGID MOTION AND NON-RIGID DEFORMATION
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机译：三维重构方法及装置刚体运动和非刚体变形
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摘要
A three-dimensional reconstruction method and device uniting a rigid motion and a non-rigid deformation. The method comprises: performing a depth camera-based photography on a target object to obtain a single depth image (S101); performing three-dimensional framework extraction on a depth point cloud by means of a three-dimensional framework extraction algorithm (S102); obtaining a matching point pair between a three-dimensional point cloud and vertexes of a reconstruction model; establishing an energy function according to the matching point pair and three-dimensional framework information, solving a non-rigid motion position conversion parameter of each vertex on the reconstruction model, and optimizing an object framework parameter (S104); performing GPU optimal solution on the energy function to obtain the non-rigid deformation of each surface vertex, and deforming the previous frame of reconstruction three-dimensional model according to the solving result, so that the deformed model is aligned with the current frame of three-dimensional point cloud (S105); and obtaining the current frame of updated model to enter iteration of the next frame. The method can effectively improve the real-time performance, robustness, and accuracy of reconstruction, is high in expandability, and simple and easy to be implemented.
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