Research to Evaluate Efficiency in U-health Solution Service for the Chronic Wound Management

The data such as photographs can be collected simply using built-in cameras installed in smart-phones that used the standard touch-screen user interface (UI) and camera installed in the iPhone3GS and iPhone4 using iOS 3.0 and iOS 5.0, respectively. Subjects were instructed to transmit the photographs of the wounds then investigator performed the photography in such a manner that the size of pressure ulcer should be automatically measured based on a 1 cm x 1 cm-sized indicator on the screen.