A solid mineral three-dimensional modeling method and system based on big data fusion

By using unified spatial registration and voxel mapping, a three-dimensional spatial evidence body is constructed, disputed voxels are extracted and boundary dispute shells are generated, and etch processing is used to generate ore body candidate entities. This solves the problem of ore body spatial morphology distortion caused by inconsistent boundaries of multi-source data and achieves accurate reconstruction of ore body boundary surfaces.

CN122454060APending Publication Date: 2026-07-24ZHEJIANG GEOLOGICAL EXPLORATION INST OF SINOCHEM BUREAU OF GEOLOGY & MINES
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Patent Information

Application Number
CN202610755965.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-05-29
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

In 3D modeling of solid mineral deposits, inconsistencies in the boundary conclusions of multi-source data and erroneous connectivity between discrete control data lead to distortion of the spatial morphology of the ore body. This is especially true in areas with sparse boreholes, thin vein-like ore bodies, or fault-displaced regions, where the ore body boundaries are prone to over-extrapolation, erroneous contraction, or connectivity at structural cutoff points.

Method used

By acquiring multi-source modeling data and performing unified spatial registration, attribute encoding, and voxel mapping, a three-dimensional spatial evidence body is constructed. Disputed voxels are extracted and boundary dispute shells are generated. Based on non-mineral exclusion and structural truncation evidence layers, a non-mineral etched body is constructed. Voxel etching and connectivity screening are performed on the initial mineralized envelope to generate ore body candidate entities and reconstruct the ore body boundary surface.

Benefits of technology

It effectively avoids excessive extrapolation and incorrect connectivity of ore body boundaries, provides a clear basis for connectivity relationships, provides an accurate three-dimensional voxel basis for the reconstruction of ore body boundary surfaces, and improves the spatial correspondence of ore body boundary surfaces.

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Abstract

The present application relates to the technical field of computer graphics processing, in particular to a solid mineral three-dimensional modeling method and system based on big data fusion; the method comprises the following steps: obtaining solid mineral multi-source modeling data, performing unified spatial registration, attribute coding and voxel mapping processing on the data, and constructing a three-dimensional spatial evidence volume comprising a mineralization support evidence layer, a non-mineral exclusion evidence layer, an anomaly extension evidence layer, a profile contour evidence layer and a structure truncation evidence layer; determining the interlayer boundary relationship of each evidence layer, extracting disputed voxels and generating a boundary dispute shell, and constructing an initial mineralization envelope; performing voxel etching and connectivity screening on the initial mineralization envelope based on a non-mineral etching volume, and generating a candidate ore body entity; performing boundary surface reconstruction and response surface sheet deformation processing on the candidate ore body entity, and constructing a solid mineral three-dimensional model. The present application realizes voxel fusion modeling of solid mineral multi-source modeling data.
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