'**SUMMARY**
This method lets you use your own function on the current image.
**PARAMETERS**
* *func* - some user defined function for SimpleCV.ImageClass.Image object
**RETURNS**
the value returned by the user defined function
**EXAMPLE**
>>> def foo(img):
... return img.meanColor()
>>> mean_color = ts[-1].processTrack(foo)'

def processTrack(self, func):

    return func(self.image)
