The development of modern civilization leads us to solve new problems which did not exist before. The contemporary world faces a great challenge of aging societies, where increasing numbers of senior citizens require constant medical attention. Advanced technologies must be implemented to ensure the safety and well-being of elderly people, patients in hospitals, and disabled persons. These include both sophisticated data acquisition systems and data processing algorithms aimed at the constant and discreet monitoring of persons whilst raising alarm if immediate attention is required.

The development of modern civilization leads us to solve new problems which did not exist before. The contemporary world faces a great challenge of ag...