Reconstruction method based on light field camera micro-nano correlated imaging sensing

Abstract

The invention relates to the field of EAST device nuclear fusion and the field of three-dimensional reconstruction, in particular to a reconstruction method based on light field camera micro-nano correlated imaging sensing, which comprises the following steps: obtaining a refocusing image according to the total radiation amount of light emitted from a to-be-reconstructed object obtained by a sensor; selecting the clewest slice from the slices of the refocusing picture at different positions to obtain a full focusing image and obtain a binarized edge image of the full focusing image; acquiringdepth information and magnification according to the refocused image, the binarized edge image and the EAST device depth image; determining a two-dimensional centroid coordinate, an equivalent diameter, depth information and magnification according to the image after binary filling, and raising the dimension of a two-dimensional parameter into a three-dimensional parameter; and reconstructing to obtain a boundary reconstruction image of the EAST device under the circular configuration by utilizing the space centroid coordinates and the equivalent diameter of the three-dimensional parameters. According to the method, the calculation complexity is reduced, system resource occupation is low, efficient implementation is facilitated, and the method has important market value.

Description

technical field [0001] The invention relates to the field of nuclear fusion of EAST devices and the field of three-dimensional reconstruction, in particular to a reconstruction method based on light field camera micro-nano correlation imaging sensing. Background technique [0002] EAST is a fully superconducting tokamak device designed and built in my country, and it is also the first fully superconducting tokamak device in the world to be completed. The design goal of EAST is mainly aimed at the problem of plasma steady-state advanced operation mode under high parameters. [0003] Three-dimensional reconstruction refers to the establishment of a mathematical model suitable for computer representation and processing of three-dimensional objects. It is the basis for its representation, processing and operation in a computer environment, and it is also a key technology for establishing virtual reality in the computer to express the objective world. Since the EAST device is a ...

AI Technical Summary

Problems solved by technology

[0005] In order to solve the lack of acquisition of image depth information in existing reconstruction methods, resulting in errors in the reconstruction process for objects such as EAST devices that require high-precision boundary reconstruction, the present invention proposes a micro-nano correlation imaging sensor based on light field cameras The reconstruction method specifically includes the following steps:

Images