Image-Based Method For Measuring And Classification Of Iron Ore Pellets Using Star-Convex Polygons

• URL: http://arxiv.org/abs/2506.11126v1
• Date: Tue, 10 Jun 2025 11:30:46 GMT
• Title: Image-Based Method For Measuring And Classification Of Iron Ore Pellets Using Star-Convex Polygons
• Authors: Artem Solomko, Oleg Kartashev, Andrey Golov, Mikhail Deulin, Vadim Valynkin, Vasily Kharin,
• Abstract summary: This study focuses on the classification of iron ore pellets, aimed at identifying quality violations in the final product.<n>We develop an innovative imagebased measurement method utilizing the StarDist algorithm, which is primarily employed in the medical field.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: We would like to present a comprehensive study on the classification of iron ore pellets, aimed at identifying quality violations in the final product, alongside the development of an innovative imagebased measurement method utilizing the StarDist algorithm, which is primarily employed in the medical field. This initiative is motivated by the necessity to accurately identify and analyze objects within densely packed and unstable environments. The process involves segmenting these objects, determining their contours, classifying them, and measuring their physical dimensions. This is crucial because the size distribution and classification of pellets such as distinguishing between nice (quality) and joint (caused by the presence of moisture or indicating a process of production failure) types are among the most significant characteristics that define the quality of the final product. Traditional algorithms, including image classification techniques using Vision Transformer (ViT), instance segmentation methods like Mask R-CNN, and various anomaly segmentation algorithms, have not yielded satisfactory results in this context. Consequently, we explored methodologies from related fields to enhance our approach. The outcome of our research is a novel method designed to detect objects with smoothed boundaries. This advancement significantly improves the accuracy of physical dimension measurements and facilitates a more precise analysis of size distribution among the iron ore pellets. By leveraging the strengths of the StarDist algorithm, we aim to provide a robust solution that addresses the challenges posed by the complex nature of pellet classification and measurement.

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