[Retracted] Analysis of the Mechanism of Breast Metastasis Based on Image Recognition and Ultrasound Diagnosis

Figure 2

Image removal background flowchart. (a) Top view of the panoramic image. (b) Grayscale. (c) Binary image after special threshold processing. (d) Binary image with closed operation. (e) Binary image with open operation. (f) The nonblack area is the tissue area that needs to be calculated.

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