Method and apparatus for estimating the value of an input in presence of a perturbing factor

A method of determining an input for adjusting a parallax barrier in a device, the method comprising:

• predicting a first value for adjusting the parallax barrier at a time in the future based at least upon images captured by a camera in the device;
• receiving a second value from a gyroscope in said device, the second value indicating a component of movement of the device;
• and
• cancelling the component of movement of the device from the predicted first value to determine an updated value for adjusting the parallax barrier in the device.

A device implementing a real-time system, wherein it comprises for estimating an input value in the real-time system:

• at least a first sensor embedded in said device;
• at least a second sensor embedded in said device;
• means for computing the input value from the at least first sensor;
• means for storing the computed input value in an history of computed input values;
• means for estimating a perturbing factor component of the input value from the at least second sensor;
• means for determining a modified history of input values by cancelling said perturbing factor component from each input value stored in said history of computed input values;
• means for estimating the input value from the modified history of input values.