US Patent 9528871 System for determining a liquid quantity and orientation

A system including a vessel, an image capturing device, and a processor. The vessel at least partially contacts a liquid, wherein the liquid has a liquid surface that is defined by a quantity of the liquid, a shape of the vessel, and an orientation of the vessel relative to a horizontal plane. The image capturing device is spaced apart from the liquid surface and captures an image thereof. The processor is in communication with the image capturing device for analyzing a characteristic of the image and determining an attribute of the liquid therefrom.