fig2
![Echocardiographic cardiac views classification using whale optimization and weighted support vector machine](https://image.oaes.cc/c96a9868-5031-4265-b646-6a195aa72deb/vp30140.fig.2.jpg)
Figure 2. The input of Ultrasound image, (A) Input, (B) Pre-Processed, (C) Dictionary Learning.
Figure 2. The input of Ultrasound image, (A) Input, (B) Pre-Processed, (C) Dictionary Learning.
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