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. 2019 Jun 27;30(9):1790–1800. doi: 10.1007/s13361-019-02254-y

Figure 3.

Figure 3

Flowchart of MSI data processing, showing the consecutive data processing steps of the MSI data. The number of m/z data points is reduced from 80,000 to 200–400 by peak picking, elimination of non-lipid peaks, and cross-correlation-based background filtering. Also, the number of informative pixels is reduced from 20,000 to 7500