抄録
The image correlation method is used for the displacement and strain measurement of the structures. The image correlation method is a method in pursuit of partial image using pattern matching. In this research, we propose a new image correlation method to improve the accuracy of sub-pixel estimation at the positioning of target image. The proposed method, which combines the curve fitting and image interpolation, can obtain the subpixel position precisely. The goal of this research is to achieve the measurement precision of 1/100 pixel.
