Three-dimensional shape acquisition method by integral imaging based on corresponding points

In order to realize the passive three-dimensional(3D) shape acquisition technology, the ray tracing is used to analyze the processing of pick-up information by the integral imaging system, and the relationship in the corresponding points is shown under the theoretical analysis. Then, the 3D shape acquisition technology by integral imaging based on the relationship of the corresponding points is proposed. The optical results show that the coordinates of points in the object space can be captured by the proposed technology. The 3D shape can be reconstructed from the corresponding points. The coordinates of the object point can be calculated. The relative error is smaller than 5%. The result confirms the feasibility of our proposed method to realize the acquisition for 3D optical information.