このブログは、拡張現実 及び 仮想現実 が使用された最新の情報と事例などを掲載しています。---This blog publishes latest information and the case where AR (Augmented Reality) and VR (Virtual Reality) are used, etc.
We present a method for unifying tracking and video content recognition with applications to Mobile Augmented Reality (MAR). We do so by introducing the Radial Gradient Transform (RGT) and an approximate RGT, yielding the Rotation-Invariant, Fast Feature (RIFF) descriptor. We then demonstrate a method for tracking these descriptors in realtime, to obtain a global affine motion model. With this temporal information the robustness of video content recognition can be increased at no additional cost.