1. A temporal image processing system comprising: a temporal processing controller adapted to receive a first image signal and a second image signal from a scanning unit, said temporal processing controller comprising a registration module adapted to register a region of interest of said first image signal and said second image signal, said registration module further adapted to generate therefrom a registration signal, said temporal processing controller further comprising a confidence module adapted to receive said registration signal and further adapted to determine a confidence map therefrom, said confidence map adapted to enhance a contrast of a temporal change in said object relative to a contrast due to at least one misregistration.