Complex Background Removal Method for Video of an Inclined Cable Based on UAV Detection of Structural Vibration Frequencies

<div>The effect of tuning parameters in the Region Growing algorithm. (a) The gray threshold is set to 0.25; (b) the gray threshold is set to 0.20.</div>

Structural Control and Health Monitoring

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Figure 7

Figure 7: Complex Background Removal Method for Video of an Inclined Cable Based on UAV Detection of Structural Vibration Frequencies 