1. An apparatus, comprising: a wearable structure; a plurality of infrared imaging modules mounted on the wearable structure, wherein each of the infrared imaging modules is configured to capture a thermal image of a scene; and a processor in communication with the plurality of infrared imaging modules, wherein the processor is configured to: detect an object in the scene using the thermal image, and generate an alert for a wearer of the wearable structure when the object is detected.