EnergyFunction

All Known Implementing Classes:

DualGradientEnergyFunction
```
public interface EnergyFunction
```
Determines the energy of a given (x, y) pixel index in a Picture.

See Also:

DualGradientEnergyFunction, Picture

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`double`	`apply(Picture picture, int x, int y)`	Returns the energy of pixel (x, y) in the given picture.

- Method Detail
  - apply
```
double apply(Picture picture,
             int x,
             int y)
```
    Returns the energy of pixel (x, y) in the given picture.
    
    Parameters:
    
    picture - the input picture.
    
    x - the x-index into the picture.
    
    y - the y-index into the picture.
    
    Returns:
    
    the energy of pixel (x, y) in the given picture.