1. Li L. Study on online detection methods of particle size based on digital image processing technology. Jiangxi University of Science and Technology;2014.
2. Gaipin C, Longmao L, Zhihong J. Design of ore particle size measurement system based on image processing. Metall Ind Autom. 2013;37(6):63–6.
3. Liu Q. Image segmentation based on grayscale morphological reconstruction. Xiangtan University;2016.
4. Yanling Z, Guixiong L, Dong C. Basic operators of mathematical morphology and application in image preprocessing. Sci Technol Eng. 2007;7(3):356–9.
5. Salembier P. Morphological multiscale segmentation for image coding. Sig Process. 1994;38(3):359–86.