Three-dimensional shape-based particle analysis method and particle placement bracket

A particle analysis and three-dimensional morphology technology, applied in the field of particle analysis, can solve the problem of inability to achieve quantitative statistics and analysis of particles, and achieve the effect of reducing analysis costs, improving accuracy and efficiency, and facilitating transmission

Inactive Publication Date: 2018-04-20
TSINGHUA UNIV
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Problems solved by technology

However, these methods can only achieve rough analysis of particle morphology, and cannot achieve fine quantitative statistics and analysis of particles

Method used

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  • Three-dimensional shape-based particle analysis method and particle placement bracket
  • Three-dimensional shape-based particle analysis method and particle placement bracket
  • Three-dimensional shape-based particle analysis method and particle placement bracket

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Embodiment Construction

[0028] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0029] The particle analysis method based on the three-dimensional morphology and the particle placement bracket according to the embodiments of the present invention will be described below with reference to the accompanying drawings.

[0030] Figure 6 is a flowchart of a three-dimensional shape-based particle analysis method according to an embodiment of the present invention. Such as Figure 6 As shown, the particle analysis method based on three-dimensional morphology according to one embodiment of the present invention in...

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Abstract

The present invention proposes a particle analysis method based on three-dimensional morphology, which includes the following steps: scanning the particles with multiple viewing angles to obtain point cloud data of the particles under multiple viewing angles; splicing the point cloud data under multiple viewing angles; Denoise the spliced ​​point cloud data to obtain the final point cloud data; construct the mesh model of the three-dimensional surface morphology of the particles according to the final point cloud data; render and display the mesh model of the three-dimensional surface morphology to obtain the final point cloud data according to the display results Analyze and count the geometric and morphological properties of particles. The method according to the embodiment of the present invention can conveniently realize three-dimensional fine measurement, reconstruction, three-dimensional visualization and quantitative analysis of particle morphology. The invention also provides a particle placing bracket.

Description

technical field [0001] The invention relates to the technical field of particle analysis, in particular to a three-dimensional shape-based particle analysis method and a particle placement bracket. Background technique [0002] Particles are ubiquitous in nature and form the basis of most matter. In agricultural engineering, the morphological characteristics of seeds are an important indicator for evaluating seed quality; in geotechnical engineering, block stone particles are an important part of complex rock-soil media such as concrete, rockfill materials, and soil-rock mixtures. It will directly affect the physical and mechanical properties of the material and the mechanism of deformation and fracture. [0003] Traditional particle analysis usually uses the sieving method to obtain the particle size composition of particles, or obtains its two-dimensional shape information through two-dimensional digital image processing. However, these methods can only achieve rough ana...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T17/30G01N15/00G01N15/02F16M11/20
Inventor 徐文杰李澄清
Owner TSINGHUA UNIV
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