1. A method for analysis comprising: obtaining a digital core image from a subterranean sample of a geological formation, wherein the digital core image comprises a plurality of voxel values, each representing a physical property of the geological formation; performing a plurality of segmentations on the digital core image using a plurality of approaches to obtain a plurality of segmented images, wherein at least one of the plurality approaches is based on a threshold of the voxel values; performing a statistical analysis on the plurality of segmented images to select the most suitable approach of the plurality of approaches; and generating a digital core model using a segmented image of the plurality of segmented images.