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Influence of a threshold value on estimating the level of particle aggregation by image analysis

Xu Jianxin, Wang Shibo

This paper investigates the influence of a threshold value on estimating the level of particle aggregation based on digital image processing technology. The number of pixels in a binary image is used to estimate the level of aggregation via a threshold value for the mixing patterns, which is a helpful parameter for characterizing the homogeneity of the mixture. The stability time can be characterized by the evolution of the pixel aggregation in the binary image. This method can be used to measure the particle aggregation of the mixture, and to obtain the mixing homogeneity time.