Inthispaper,weproposeanovelmethodcalledRotationalRegionCNN(R2CNN)fordetectingarbitrary-orientedtextsinnaturalsceneimages.TheframeworkisbasedonFasterR-CNN[1]architecture.First,weusetheRegionProposalNetwork(RPN)togenerateaxis-alignedboundingboxesthatenclosethetextswithdifferentorientati