feature/vision operator

Closes #234 (closed)

components/operators/src/disparity/bilateral_filter.cpp

-#pragma once
-
 #include <ftl/operators/disparity.hpp>
 
 using cv::cuda::GpuMat;
@@ -32,6 +30,6 @@ bool DisparityBilateralFilter::apply(ftl::rgbd::Frame &in, ftl::rgbd::Frame &out
 
 	disp_in.convertTo(disp_int_, CV_16SC1, scale_, cvstream);
 	filter_->apply(disp_int_, rgb, disp_int_result_, cvstream);
-	disp_int_result_.convertTo(disp_out, 1.0/scale_, cvstream);
+	disp_int_result_.convertTo(disp_out, disp_in.type(), 1.0/scale_, cvstream);
 	return true;
 }
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