The Quantitative Evaluation of the Cell Structure Uniformity of Microcellular TPU with Low Porosity via a Digital Image Processing Method.

As illustrated in Figure 12 a, the three uniformity quantitative indices for these images exhibited a decreasing trend, leading to a gradual reduction in CUI values (0.322 > 0.221 > 0.181 > 0.173 > 0.151).

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