Developing Dynamic Digital Image Correlation Technique to Monitor Structural Damage of Old Buildings under External Excitation

<table>Comparisons of the IDMS damage indices based on the free vibration digital image method and the accelerometer method for building stories subject to different damage scales.</table>

Shock and Vibration

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Figure 18

Figure 18: Developing Dynamic Digital Image Correlation Technique to Monitor Structural Damage of Old Buildings under External Excitation 