ZEISS Liberation & Surface Exposure Analyzer
From the Solutions Lab for 3D Surface Exposure Analysis for Mining
Highlights
Area of Research:
- Mining and Advanced Materials
- Additive Manufacturing
Samples:
Mining rock samples
Related Solutions:
- Additive Manufacturing Powder analyzer

Automatic generation of grade/recovery curves through quantitative 3D analysis

Segmented particle distribution, showing sulfides (red), silicates (blue) and air (yellow)

Individual particles identified such that each particle is identified in a different color. This is then used to measure surface exposure via exposed surface area.
Workflow
The module workflow consists of a number of steps:
The module workflow consists of a number of steps:
- XRM acquisition.
- Consistent reconstruction using controlled projection greyscale scaling.
- Consistent segmentation using machine learning based segmentation. Accurate associated surface segmentation using conditional random field (CRF) smoothing. Accurate segmentation both ensures the accuracy of particle separation and surface classification.
- Particle identification and separation using advanced non-local morphometric techniques. There are no user-determined parameters in this step, allowing for robust and repeatable measurements.
- Liberation measurement.
- Grain surface meshing, classification and measurement.
- Label (particle separated) image exporting.
- Grain & particle image export.
- Particle by particle data reporting & export.
- Grade-recovery curve generation
Required components
- ZEISS Xradia Context or Versa XRM 5XX +
- ZEN Pro
- ZEN Macro Environment
- ZEISS Intellesis
- ZEISS Surface Exposure custom workflow2
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