| Granulometry | |
|---|---|
 | |
| Basic concepts | |
| Particle size, Grain size, Size distribution, Morphology | |
| Methods and techniques | |
| Mesh scale, Optical granulometry, Sieve analysis, Soil gradation | |
Related concepts | |
| Granulation, Granular material, Mineral dust, Pattern recognition, Dynamic light scattering | |
Optical granulometry is the process of measuring the different grain sizes in a granular material,[1] based on a photograph. Technology has been created to analyze a photograph and create statistics based on what the picture portrays. This information is vital in maintaining machinery in various trades worldwide. Mining companies can use optical granulometry to analyze inactive or moving rock to quantify the size of these fragments.[2] Forestry companies can zero in on wood chip sizes without stopping the production process, and minimize sizing errors.[3]
With more photoanalysis technologies being produced, mining companies have shown an increased interest in these types of systems because of their ability to maintain efficiency throughout the mining process.[4] Companies are saving millions of dollars annually because of this new technology, and are cutting back on maintenance costs on equipment.[citation needed]
In order for optical granulometry to be completely successful, an accurate photo must be taken – under sufficient lighting, and using proper[clarification needed] technology – to obtain quantified results.[5] If these requirements are met, an image analysis system can be implemented.
- ^ Definition of granularity Archived 2016-03-04 at the Wayback Machine at GEMET
- ^ (Franklin and Katsabanis 1996), page 68
- ^ (Franklin and Katsabanis 1996), page 47
- ^ (Franklin and Katsabanis 1996), page 258
- ^ (Franklin and Katsabanis 1996), page 115
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