2022
DOI: 10.37190/ppmp/155840
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DE-XRT coal preparation image overlapping and adhesion particle segmentation method

Abstract: Accurate segmentation of dual-energy X-ray transmission (DE-XRT) coal and gangue image regions are a prerequisite for feature extraction, identification, localization, and separation. A watershed algorithm based on multi-grayscale threshold segmentation (MGTS) is proposed to mark the foreground for the adhesion and overlap of coal and gangue. The grayscale images of foreground objects are segmented using multiple grayscale thresholds, and the number of connected domains is recorded each time. As the gray thres… Show more

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“…In image processing, the watershed algorithm is often used to segment image edges (He et al, 2022;Sharma et al, 2022;Chowdhury et al, 2023). This algorithm can be understood as rainwater landing on a mountain surface and flowing down the terrain; if the water lands on two different points belonging to the same region, it will eventually flow to the same local nadir and form a segmented region.…”
Section: Traditional Watershed Division Effect Displaymentioning
confidence: 99%
“…In image processing, the watershed algorithm is often used to segment image edges (He et al, 2022;Sharma et al, 2022;Chowdhury et al, 2023). This algorithm can be understood as rainwater landing on a mountain surface and flowing down the terrain; if the water lands on two different points belonging to the same region, it will eventually flow to the same local nadir and form a segmented region.…”
Section: Traditional Watershed Division Effect Displaymentioning
confidence: 99%