code: public boolean apply( T input ,
  					Point2D_F64 corner0 , Point2D_F64 corner1 ,
  					Point2D_F64 corner2 , Point2D_F64 corner3 )
  	{
  		if( createTransform(corner0, corner1, corner2, corner3)) {
  			distort.input(input).apply();
  
  			return true;
  		} else {
  			return false;
  		}
  	}
docs: Applies distortion removal to the specified region in the input image.  The undistorted image is returned.
  @param input Input image
  @param corner0 Top left corner
  @param corner1 Top right corner
  @param corner2 Bottom right corner
  @param corner3 Bottom left corner
  @return true if successful or false if it failed