Abstract: A tubular camera module is disclosed. An example tubular camera module includes a tube-shaped object including a camera seat portion, the tube-shaped object being positioned along a top of a first store shelf that is adjacent to a second store shelf, the first and second store shelves being separated by an aisle and a camera module connected to the tube-shaped object at the camera seat portion. The camera module includes a camera housing having edges that align with edges of the camera seat portion, a camera having a lens that is positioned to image at least a portion of the second store shelf, and a transmitter configured to transmit images of the portion of the second store shelf to a communicatively coupled server.