[Electives] Restructure

electives/amr/parts/04_vision/02_place-recognition.tex

@@ -0,0 +1,5 @@
+\subsection{Place Recognition}
+Idea: Build vocab from ``visual words'' (in Training).
+\bi{Runtime} Detect keypoints; Extract descriptors; Build histogram; Query DB for similarity; If no match, insert into DB, else use to compute with e.g. RANSAC
+
+% TODO: Iterative Closest Point (ICP), explained well in Slide Deck 10 recap