| set threshold_, threshold_ //predefined thresholds |
| set _Entry, 120_Entry, 240_Entry |
| for each pixel in do |
| set with Eq. (1) |
| set with Eq. (2) |
| if > threshold_ and > threshold_ then |
| set with the first part of Eq. (5) |
| if > = 120 then |
| set 120 equals |
| else |
| set 120 equals |
| if > = 60 then |
| set 240 equals |
| else |
| set 240 equals |
| else |
| set with the second part of Eq. (5) |
| set 120 equals |
| set 240 equals |
| add , 120, 240 in _Entry, 120_Entry, 240_Entry |
| for each entry in [_Entry, 120_Entry, 240_Entry] do |
| execute -Means with entry |
