feature/vision operator

Closes #234 (closed)

components/operators/include/ftl/operators/opticalflow.hpp

@@ -6,6 +6,10 @@
 namespace ftl {
 namespace operators {
 
+/*
+ * Compute Optical flow from Channel::Colour (Left) and save the result in
+ * Channel::Flow using NVidia Optical Flow 1.0 (via OpenCV wrapper).
+ */
 class NVOpticalFlow : public ftl::operators::Operator {
 	public:
 	explicit NVOpticalFlow(ftl::Configurable*);
@@ -21,8 +25,8 @@ class NVOpticalFlow : public ftl::operators::Operator {
 	private:
 	cv::Size size_;
 	
-	// TODO: Left to Flow always assumed, could also calculate something else?
-	const ftl::codecs::Channel channel_in_ = ftl::codecs::Channel::Left;
+	// TODO: Colour to Flow always assumed, could also calculate something else?
+	const ftl::codecs::Channel channel_in_ = ftl::codecs::Channel::Colour;
 	const ftl::codecs::Channel channel_out_ = ftl::codecs::Channel::Flow;
 
 	cv::Ptr<cv::cuda::NvidiaOpticalFlow_1_0> nvof_;