A system and method for detecting and counting objects in a warehouse environment is disclosed. The system may receive sensor data indicative of a warehouse environment. The method includes generating, based on the sensor data, a reconstruction of the warehouse environment, The reconstruction can include one or more slots comprising a plurality of objects. The method includes determining, based on the reconstruction, a number of occluded objects. The method includes determining, based on the reconstruction and the number of occluded objects, a total number of objects within each slot of the one or more slots.

An inter-floor transport system includes an aerial vehicle configured to move vertically and horizontally along a passage and a power assembly including a power supply adjacent to the passage and a guide cable extending along the passage and connected to the power supply, where the aerial vehicle is configured to receive power through the guide cable without contacting the guide cable.