| ARMarkerInfo | Main structure for detected marker |
| ARMarkerInfo2 | Internal structure use for marker detection |
| ARMat | Matrix structure |
| ARMultiEachMarkerInfoT | Multi-marker structure |
| ARMultiMarkerInfoT | Global multi-marker structure |
| ARParam | Camera intrinsic parameters |
| arPrevInfo | Structure for temporal continuity of tracking |
| ARVec | Vector structure |