Estimation of calcaneal deformation while standing from the boolean operation between 3D and footprint image and its comparison with lateral x-rayDwi Basuki Wibowo, Agus Suprihanto, Achmad Widodo and Gunawan Dwi HaryadiMATEC Web Conf., 204 (2018) 07001DOI: https://doi.org/10.1051/matecconf/201820407001