Mathematics Mathematical models Differential equations, Partial Image processing Partial differential equations -- Miscellaneous topics -- Inverse problems Inverse problems (Differential equations) Biomedical engineering Inverse problems Miscellaneous topics Numerical analysis Partial differential equations Qualitative properties of solutions Wireless sensor networks Diagnostic Imaging Imaging systems in medicine Models, Theoretical Partial differential equations -- Elliptic equations and systems -- Boundary value problems for second-order elliptic equations Partial differential equations -- Elliptic equations and systems -- Laplacian operator, reduced wave equation (Helmholtz equation), Poisson equation Partial differential equations -- Qualitative properties of solutions -- Dependence of solutions on initial and boundary data, parameters Boundary value problems Boundary value problems for second-order elliptic equations Dependence of solutions on initial and boundary data, parameters Electrical impedance tomography Electromagnetic theory Elliptic equations and systems General Laplacian operator, reduced wave equation (Helmholtz equation), Poisson equation Multiscale modeling Ordinary differential equations -- General theory -- Inverse problems Sensor networks