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. 2023 Dec 7;13:1272427. doi: 10.3389/fonc.2023.1272427

Figure 2.

Figure 2

Bispectrum analysis energy feature maps of a benign patient and their differences analysis. (A–D) are four types of bispectrum analysis energy feature maps of a benign patient with breast tumor. (E) The overlapping histogram results of four bispectrum analysis energy feature maps of BS_S1, BS_S2, BS_S3, and BS_A. (F) The mutual information (MI) between each two of the four new bispectrum analysis energy feature maps. (G) The root mean square error (RMSE) between each two of the four new bispectrum analysis energy feature maps.