The CHT function has one disadvantage. It performs poorly when matlab large part of matlab programming circle to be detected is outside matlab programming image. This is not matlab problem for detecting matlab programming pupil or iris circles since either one of them are found absolutely in matlab programming image. However, for detecting matlab programming upper and lower eyelid circles, this issue would come into picture. To work around this problem, we extend matlab programming images by matlab black area either from matlab programming top when detecting matlab programming lower eyelid or from matlab programming bottom when detecting matlab programming upper eyelid, as shown in Fig. 5. I insert matlab programming disc, click on ‘Install Red Alert’ and it gives me matlab development bar indicating “Preparing Install Wizard” then matlab programming page install red alert rises, but matlab windows message said “this game is meant to be run from Windows 95. ” Whethee I click matlab programming X or ‘OK’ it just cancel matlab programming whole system. I searched matlab programming database “Help and Support” from matlab programming start menu of home windows 7 “Installation old games. I clikced on matlab programming result “make older programs run in this edition of home windows” from there, I clicked on matlab programming link to open matlab programming doc “software Compatability Troubleshooter. ” matlab programming application I are looking to run red alert did not appear, so I clicked “unregistered”. It prompted me to go into matlab programming place of matlab programming file, so I typed in matlab programming area “” E:setup95SETUP.