can any one tell me how to detect whether the eye lid is closed or not in a face image

can any one tell me how to detect whether the eye lid is closed or opened in a face image

Answer 1

[Walter Roberson]

Please merge this with your existing question http://www.mathworks.com/matlabcentral/answers/37277-can-i-use-eigen-values-and-vectors-to-identify-the-eye-lid-open-and-close-irrespective-of-the-angle

Answer 2

[Walter Roberson]

Is this person's right eyelid closed or open?

When you can tell us what you look at to make that decision, we may be able to tell you about algorithms to implement your mental processing.