feature/vision operator

Closes #234 (closed)

components/operators/include/ftl/operators/disparity.hpp

@@ -49,6 +49,8 @@ class DisparityBilateralFilter : public::ftl::operators::Operator {
 	private:
 	cv::Ptr<cv::cuda::DisparityBilateralFilter> filter_;
 	cv::cuda::GpuMat disp_int_;
+	cv::cuda::GpuMat disp_int_result_;
+	double scale_;
 	int radius_;
 	int iter_;
 	int max_disp_;