Three-dimensional reconstruction method for sinter microstructure diagram

A 3D reconstruction and microstructure technology, applied in 3D modeling, image data processing, instruments, etc., can solve the problems of expensive equipment, complicated operation, and low image resolution, and achieve the effect of improving precision and reconstruction accuracy

Inactive Publication Date: 2016-10-26
WUHAN UNIV OF SCI & TECH
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Problems solved by technology

However, when an object is internally scanned by X-ray CT, the resolution of the image is not high, the operation is complicated, and the equipment is expensive.

Method used

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  • Three-dimensional reconstruction method for sinter microstructure diagram
  • Three-dimensional reconstruction method for sinter microstructure diagram
  • Three-dimensional reconstruction method for sinter microstructure diagram

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Embodiment 1

[0033] A 3D reconstruction method of sinter microstructure map. The concrete steps of described three-dimensional reconstruction method are:

[0034] Step 1. Select an area on the surface of the sintered ore as the surface to be reconstructed, and use a metallographic microscope to photograph the surface to be reconstructed to obtain the following: figure 1 The set of micrographs of sinter shown. Then use the filter method to smooth the sinter microscopic picture set, and then splicing and merging to get the following figure 2 The 2D microstructural diagram of the sinter fault sequence shown.

[0035] The magnification of the metallographic microscope is n times, and n is 40.

[0036] Step 2. Use 3D Slicer software to perform 3D reconstruction on the 2D microstructural diagram of the sinter fault sequence described in Step 1 using volume rendering technology to obtain the following: image 3 The volume rendering 3D reconstruction of sinter microstructure is shown.

[003...

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Abstract

The invention relates to a three-dimensional reconstruction method for a sinter microstructure diagram. The method is characterized in that a metallographic microscope is utilized to acquire a sinter microscopic picture set, through a filtering method, splicing and fusion are carried out after smooth processing, and a sinter slice serial two-dimensional microstructure diagram is acquired; three-dimensional reconstruction of the sinter slice serial two-dimensional microstructure diagram is carried out by utilizing 3D Slicer software to acquire a volume rendering sinter microstructure three-dimensional reconstruction diagram; through segmentation, sectioning and perspective, a volume rendering sinter microstructure three-dimensional reconstruction diagram after segmentation, a sinter microstructure three-dimensional sectioning diagram and a sinter microstructure three-dimensional perspective diagram are sequentially acquired; three-dimensional reconstruction of mineral organization of the sinter slice serial two-dimensional microstructure diagram is carried out to acquire a surface rendering sinter microstructure three-dimensional reconstruction diagram. The method is advantaged in that the method is simple to operate, is practical and realizes high flexibility and low cost, and the acquired sinter microstructure diagram can visually and accurately reflect the internal sinter microstructure.

Description

technical field [0001] The invention belongs to the technical field of microscopic image processing of sintered ore. In particular, the invention relates to a three-dimensional reconstruction method for the microstructure diagram of sintered ore. Background technique [0002] Sinter is one of the main raw materials for blast furnace ironmaking. It is a three-dimensional entity connected by various minerals and pores through different types of interfaces. Since sinter is opaque, its structural features cannot be obtained directly from samples. The traditional method is to obtain a two-dimensional cross-sectional image of a sinter sample through a microscope, and then study its microstructure. However, due to the complex structure of sinter, two-dimensional plane graphics cannot fully display its complex three-dimensional details, and it is difficult to intuitively and accurately Reflect the real mineral phase structure of sinter. Therefore, an in-depth understanding of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T17/00
CPCG06T17/00
Inventor 王炜邓明徐维波戴柏文薛正良欧阳泽林朱航宇王杰徐润生
Owner WUHAN UNIV OF SCI & TECH
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