Integrating a Hive Triangle Pattern with Subpixel Analysis for Noncontact Measurement of Structural Dynamic Response by Using a Novel Image Processing Scheme

<table>Subpixel and formula (sP1) for estimating its gray level. For block that must be resample owing to subpixel displacement, gray level of every pixel must be recalculated using estimation formula.</table>

The Scientific World Journal

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Figure 6

Figure 6: Integrating a Hive Triangle Pattern with Subpixel Analysis for Noncontact Measurement of Structural Dynamic Response by Using a Novel Image Processing Scheme 

Figure 6 | Integrating a Hive Triangle Pattern with Subpixel Analysis for Noncontact Measurement of Structural Dynamic Response by Using a Novel Image Processing Scheme 