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Journal of Analytical Science and Technology
Fig. 2 | Journal of Analytical Science and Technology

Fig. 2

From: Deep learning image segmentation for the reliable porosity measurement of high-capacity Ni-based oxide cathode secondary particles

Fig. 2

Input image dataset prepared for deep learning. a Example image array of original image dataset (256 × 256 pixels) obtained at different depths in the NCM secondary particle through SEM–FIB serial sectioning and postprocessing. The depth interval between each slice number is 15 nm. b, c Image datasets generated after histogram stretching and histogram equalization, respectively

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