In order to measure complex enclosed inner cavity, a geometric measure method with robust statistics and region-scalable fitting model based on industrial CT(Computed Tomography) is presented to measure volume and surface area of enclosed inner cavity. In this method, the two-dimensional robust statistics and region-scalable fitting model was used to extract the target edge of images. Then, the orderly chain coordinates is got and the Lagrange interpolation method is used to interpolate the orderly coordinates, which further improves the accuracy of measure. And then, Green theorem and Euclide...
