Training-free framework that converts SAM3 into a real-time multi-class open-vocabulary detector. Achieves 55.8 AP on COCO val2017 (80 classes) at 15.8 FPS (4 classes, 1008px) on a single RTX 4080.

As the intent is to provide a very thin wrapping layer and play to the strengths of the original c++ library as well as python, the approach to wrapping intentionally adopts the following guidelines: ...